Outdoor furring brick construction
1 scope
The technology standard is applicable to industrial and civil construction of exterior wall facing furring brick project.
2 construction preparation
2.1 material requirements:
2.1.1 cement: 325 # slag cement and ordinary Portland cement. Should have the factory certificate or second interview list, if the factory for more than three months, should be used according to the test results.
2.1.2 white cement, white cement, 325.
2.1.3 sand, coarse sand and medium sand, sieving before use.
2.1.4 brick, brick surface should be clean, founder, level off, is strong, the varieties, specifications, size, color, design should be uniform, must conform to the requirement of design. Can not have short stare blankly, corner, dark marks and defects such as cracks. Its performance indexes should be consistent with existing national standards, glazed pottery of the bibulous rate shall not be greater than 10%.
2.1.5 lime putty: lump lime spray system, sprinkler system must be used when the aperture is not more than 3 mm * 3 mm sieve filtration, and stored in the tank.
Curing time, temperature is generally not less than 15 d; To finish, should not be less than 30 d. When used in lime putty not not curing particles and other impurities.
2.1.6 quicklime powder, plaster with lime paste can be substituted for grinding fine lime powder, its fineness should through 4900 holes/cm2 sieve.
To finish, the curing time should not be less than 3 d.
2.1.7 fly ash: fine through 0.08 mm square hole sieve, sieve allowance is not greater than 5%.
2.1.8 107 plastic and mineral pigments, etc.
2.2 the main equipment:
2.2.1 the scale, iron plate, 5 mm sieve aperture, window screen sieve, carts, drum, small, flat shovel bucket, wood float, iron float, large, medium, small bar, on foot, feet, spirit level, grey cast iron groove, grey spoon, mm, brush, wire brush, broom, chisel, a hammer, chalk line package, small white line, clean cloth or cotton silk, operation of the steel, gray shovel, small portable electric circular saw, pointing, pointing to the ash of the valve plate, line board, line drop, box feet, nails, red pencil, lead wire, tool bag, etc.
2.3 operation conditions:
2.3.1 outer shelf (senior multi-purpose basket or hanger) should be pitched in advance and make good, multilayer houses had better choose double row shelf or bridge, the bearing bar and rod should leave the walls and doors and Windows altercation between 150 ~ 200 mm. Shelves of high step and pitched to conform to the requirements of the construction and safety operation procedures.
2.3.2 balcony railings, reserved holes and drainage pipe should be processed, door to door window frame fixed well, with 1:3 cement mortar to block a gap sealed, aluminium alloy door window frame embedded plug materials used for the side seam should comply with the design requirements, and should be stuck tightly, and pasted protective film in advance.
2.3.3 metope grassroots clean, foot hand-eye, such as window, the window is build by laying bricks or stones wall well in advance.
2.3.4 to choose according to the size of the brick, color brick, and classified storage backup.
2.3.5 amplified sample should be taken before construction, large area model and make a wall, determine the construction technology and operating essentials, and to the construction personnel to do a good job of disclosure. After completion of mold wall must be the quality inspection department after appraisal is eligible, pass design, and construction unit jointly decided that party a can organize team in accordance with the requirements for mold wall construction.
3 operation process
3.1 process:
Basic level processing to hung vertically, set square, find rules, stick to wipe the underlying mortar, ash cake
The spring wire frame - row - leaching brick to set furring brick, brick seam jointing and brush
3.2 basic method for the operation of the concrete wall
3.2.1 basic level processing: first of all to protrude the stuck between concrete flat of metope, concrete wall of large steel mould construction should be cut hair, filled with a wire brush to brush again, water wet again. If primary concrete surface is very smooth, can adopt the following "roughen processing" method, namely the surface dust, dirt clean first, with 10% caustic soda water oil pollution of the panel is brushed, then use clean water to rinse, lye to dry, then use 1:1 in the fine cement mortar mix into 20% of the 107 glue, spray or use the broom to mortar on the wall, the sling points to evenly, water conservation, after the final set until the cement mortar bumps smooth on all glued to the concrete, and has high strength (with the hand break fixed).
3.2.2 hanging vertical, set square, find rules, stick ash cake: if for high-rise buildings, should be at the edge of the big four Angle and door window with a theodolite find straight vertical line; If the building is multilayer, can start from the top with a special big sank taut wire hanging vertical line, and then according to the size of brick layered instruction, do ash cake. Horizontal lines are horizontal datum circle control, floor around the vertical line with large Angle and sky column or buttress for the baseline control, should be all the whole brick. Each layer of render it as grey as a reference point for screed, make its horizontal flat vertical bottom ash. At the same time pay attention to find good eaves, waist line, windowsill, awning and other decorative surface slope and the water drip line (slot).
3.2.3 wipe the underlying mortar; Down to brush a 10% of the 107 plastic cement slurry, followed by layered points times wipe the underlying mortar (normal temperature when using mixture ratio is 1:3 cement mortar), the thickness of the first pass straight to 5 mm, wipe with wood float after rub flat, the next day water conservation; Works for the first time six to seventy percent, and the second time to smear, 8 ~ 12 mm thickness, and then scrape to evenness with wooden poles, and wood float hair, rub the next water conservation, if need to put a third time, its operation method with the second time, until the bottom mortar screeding.
3.2.4 play frame: after basic grey six to seventy percent when, can according to your drawings section frame line, at the same time also for surface standard point of the work, to control the surface size and vertical wall, flat and level.
3.2.5 row: according to the details and the brick wall size in relation to the row, to ensure uniform tile aperture, conform to the requirements of the design drawings, pay attention to the Great Wall, borne a pillar and buttress of the brick, and in the same bearing arrangement on metope, shall not have more than one line of the whole brick. Less than a full brick row should be no secondary parts, such as Windows or internal Angle of the wall between. But also pay attention to the consistent and symmetry. In case of card for outstanding, brick application the whole set of cutting, shall not use the whole brick haphazardly with stick.
3.2.6 immersed brick, glazed tile and wall brick set before, first of all to face brick clean, soak in the water for more than 2 h, remove the surface dry clean or rear can use.
3.2.7 with furring brick: post shall be carried out from top to bottom. High-rise building measures, segments. Within each section or block brick, are the bottom-up with stick. From the next layer of the location of the brick under the skin line first on foot, in order to hold the first skin brick. In the brick skin easy pull level line, as a set of standards.
Straight on the underside of the tile using cement mortar or 1:0.2:1, 2, 2 = : white plaster: cement sand mortar mixed with paste, mortar thickness is 6 ~ 10 mm, labeled with grey shovel handle after knock gently, attached to the line, then use operation adjusting vertical joints of the steel, and small bar through standard adjustment plane and vertical degree.
Another approach is to use cement mortar water 1:1 20% of the 107 glue, with 3 ~ 4 mm thick paste on the underside of the brick. But this is the basic grey must wipe flat, and the sand must use wire netting screen after use.
Other powder can be used to paste the brick, the thickness of 2 ~ 3 mm, with this kind of practice the basic grey must be more smooth.
If asked glazed tile pull seam with stick, brick width level between the li rice control, mm article with tile with mortar and temporary middle ash impregnated, mm article post good brick snappy, already in the set to ensure that it is flat and level, can temporarily padded small wedge.
Parapet coping, windowsill, waist line plane to also set in areas such as the wall tile, in addition to the water slope comply with the design requirements, should be taken to practice in the process of the surface pressure elevation tile and brick, prevent water seepage inside, cause empty crack; Should also take the lowest elevation of a row of brick, brick must press bottom plane and the lower bottom surface brick 3 ~ 5 mm, let its super drip line (slot), the effect of preventing urinary eaves crack caused by the empty.
3.2.8 brick seam jointing and wipe: floor tile when sewing, with a 1:1 cement mortar jointing, hook horizontal seam first, then the vertical seam, after been hooked on external surface of the hollow brick 2 ~ 3 mm. If somehow the seam to squeeze dry seam, or less than 3 mm, white cement with a paint brush sewing processing application. After the brick nuiko hook, a cloth or cotton silk dip in dilute hydrochloric acid wash clean.
3.3 basic method for the operation of the brick wall surface:
3.3.1 before rendering, water walls must be clean, moist.
3.3.2 rainfall distribution on 10-12 Great Wall and the four corners, door window line to find the rules, must be conducted by top exactly once, pop-up vertical line, and decided to brick wall size, layered instruction, do ash cake. Horizontal lines are horizontal floor baseline loop control, vertical line around with large Angle and borne crib, pillars for the baseline control. Each layer when the render with the cake as a benchmark for screed, make its horizontal flat vertical bottom ash. At the same time pay attention to find good eaves, waist line, windowsill, awning and other decorative surface water slope.
3.3.3 wipe the bottom mortar: water the metope first wet, then use 1:3 cement mortar to blow a 6 mm thick, followed with the same strength grade of grey and washed by the tendons, scrape to evenness immediately with wooden poles, wooden rub hair, water conservation the next day.
3.3.4 ~ 3.3.8 with base for the concrete walls.
3.4 for the aerated concrete wall at the grass-roots level, appropriate, choose one of the following two ways:
3.4.1 track water and aerated concrete surface, repair the lack of edge drop horn. Before repairing, brush a first polymer slurry, then use 1:3:9 = cement: white plaster: layered filling sand mixed mortar, wipe brush polymer cement slurry and the next day 1:1:6 mixed mortar matrix, wood float rub flat, water conservation the next day.
3.4.2 water and aerated concrete surface, in the lack of edge drop horn brush polymer cement, mortar mixed with 1:3:9 layered filling-in, after being dry, nail wire mesh layer and tighten. In online metal layered with 1:1:6 mixed mortar base (preferably adopts the mechanical injection process), mortar and metal mesh should be combined with strong, with wood float gently rub flat, finally the next water conservation.
Other practices with concrete walls.
3.5 summer with outdoor decorative panel, face brick, should have measures to prevent exposure of reliable.
Winter construction: 3.6 generally only at the beginning of the winter construction, cold stage construction is not allowed.
3.6.1 mortar shall not be lower than 5 ℃, the use of temperature of slurry before hardening, antifreezing measures should be taken.
3.6.2 with freezing method of masonry wall. Should be the thaw before rendering.
3.6.3 set early hardening paste mortar shall not be cold. When the temperature is below 5 ℃, outdoor setting and posted in the mortar can be mixed with admixture can reduce the freezing temperature, its content should be determined by test.
3.6.4 radar echoes captured in order to prevent the ash layer in the early seas, and ensure the quality of operation, the mortar in the white plaster and 107 glue can't use, can use the same volume of fly ash to replace or to switch to cement mortar plaster.
4 quality standards
4.1 ensure projects:
4.4.1 face brick of the varieties, specifications, color, design must meet the design requirements and comply with the provisions of the current standards.
4.1.2 tile set must be strong, fall off without skew, lack of stare blankly, and cracks and other defects.
4.2 the basic items:
2 surface level off, clean, color is consistent, no discoloration, alkali, stain, the burnish that there was no significant damage, no empty drum.
4.2.2 seam filling embedded compact, flat, width, color is consistent, Yin and Yang pressure in the right Angle, not use parts of the whole brick is appropriate.
Brick holdings set cut: with the whole set of cutting, edge neat; Dado, stick on the face and let it outstand the wall thickness.
4.2.4 water slope to the right, drip line straight.
4.3 allowable deviation projects, see table 9-29.
Outdoor wall tile allowable deviation table 9-29
Will project allow deviation (mm) check method
Exterior wall glazed tile and brick
Vertical 3 3 1 facade in 2 m quantity check line board and ruler
Surface is flat and level 2 2 in 2 m line board and feeler check
3 Yang Angle of the whole 2 2 with 20 cm square chi and feeler check
4 straight seam 3 2, 5 m string cable and rod inspection
5 dado flowing straight 2 2, 5 m string cable and rod inspection
6 seam height 1 1 short feet with steel plates and feeler check
5 finished product protection
5.1 to clear in time clean residue on the door window frame of mortar, especially of aluminium alloy door window frame should be paste the protective film, prevent pollution and corrosion.
5.2 earnestly implement reasonable construction sequence, a type of work (water, electricity, ventilation, equipment installation, etc.) work should be done in the previous, prevent the damage of brick.
5.3 paint to paint the slurry spray droplets must not be on the tile has been finished, if the upper brick to outer coating or exposed aggregate metope, appropriate coating or exposed aggregate is done first, and then the furring brick, so as to avoid pollution of metope. If need to do first brick, completed sticker or plastic film and other measures must be taken to prevent pollution.
5.4 the plaster layer before condensation should prevent dry, sun, water, and vibration, to ensure that each layer has enough strength.
5.5 open shelves don't collision metope.
5.6 decorative materials and accessories and decorative surface components, in the process of transportation, storage and construction, measures must be taken to prevent damage or deterioration.
6 should pay attention to quality problems
6.1 the empty drum, fall off:
6.1.1 due to low winter temperatures, mortar seas, coming after the spring thaw are prone to fall off. So in the outdoor wall tile operation should keep warm, as far as possible not in winter construction.
6.1.2 surface deflection at the grass-roots level, basic level processing or improper construction, such as each layer of plaster and too tight, the brick tick off seam is lax, there is no water conservation, the bonding strength between the layers is very poor, the surface is easy to generate empty drum, fall off.
, also 6.1.3 the formulations of cement mortar consistency control is bad, the sand silt content is too big, on the same construction with different mixing ratio of mortar, and thus produce different drying shrinkage, will also be empty drum. Should add right amount 107 glue to the furring brick mortar, enhance the bonding, in strict accordance with the process operation, attaches great importance to the basic level processing and self-inspection work, to be put, found empty drum should immediately rework rework.
Metope rough 6.2: mainly structure during the period of construction, geometric size control is bad, cause the metope vertical big deviation, level off, and before decorating to basic level processing seriously enough. Should strengthen the inspection for the work of grass-roots base, qualified rear can be carried out under the procedure.
6.3 case seam uneven, not straight: mainly did not seriously before the construction according to the drawing size, check the actual situation of the structure construction, combined with piecewise partition line, line of brick is not fine, less bread stick ash control points, and the brick size deviation, choose brick construction is not fine, caused by improper operation, etc.
Metope dirty: 6.4 the main reason is that after check the seam didn't wipe mortar in time as well as other type of work caused by pollution, can dip in with cotton silk dilute hydrochloric acid with 20% water scrub, and then washed with tap water. At the same time should strengthen the finished product protection.
7 quality records
This technology standard should have the following quality records:
Material such as 7.1 brick factory certificate.
7.2 part project quality inspection evaluation table.
7.3 outdoor tile grilled pull test report, etc.
The technology standard is applicable to industrial and civil construction of exterior wall facing furring brick project.
2 construction preparation
2.1 material requirements:
2.1.1 cement: 325 # slag cement and ordinary Portland cement. Should have the factory certificate or second interview list, if the factory for more than three months, should be used according to the test results.
2.1.2 white cement, white cement, 325.
2.1.3 sand, coarse sand and medium sand, sieving before use.
2.1.4 brick, brick surface should be clean, founder, level off, is strong, the varieties, specifications, size, color, design should be uniform, must conform to the requirement of design. Can not have short stare blankly, corner, dark marks and defects such as cracks. Its performance indexes should be consistent with existing national standards, glazed pottery of the bibulous rate shall not be greater than 10%.
2.1.5 lime putty: lump lime spray system, sprinkler system must be used when the aperture is not more than 3 mm * 3 mm sieve filtration, and stored in the tank.
Curing time, temperature is generally not less than 15 d; To finish, should not be less than 30 d. When used in lime putty not not curing particles and other impurities.
2.1.6 quicklime powder, plaster with lime paste can be substituted for grinding fine lime powder, its fineness should through 4900 holes/cm2 sieve.
To finish, the curing time should not be less than 3 d.
2.1.7 fly ash: fine through 0.08 mm square hole sieve, sieve allowance is not greater than 5%.
2.1.8 107 plastic and mineral pigments, etc.
2.2 the main equipment:
2.2.1 the scale, iron plate, 5 mm sieve aperture, window screen sieve, carts, drum, small, flat shovel bucket, wood float, iron float, large, medium, small bar, on foot, feet, spirit level, grey cast iron groove, grey spoon, mm, brush, wire brush, broom, chisel, a hammer, chalk line package, small white line, clean cloth or cotton silk, operation of the steel, gray shovel, small portable electric circular saw, pointing, pointing to the ash of the valve plate, line board, line drop, box feet, nails, red pencil, lead wire, tool bag, etc.
2.3 operation conditions:
2.3.1 outer shelf (senior multi-purpose basket or hanger) should be pitched in advance and make good, multilayer houses had better choose double row shelf or bridge, the bearing bar and rod should leave the walls and doors and Windows altercation between 150 ~ 200 mm. Shelves of high step and pitched to conform to the requirements of the construction and safety operation procedures.
2.3.2 balcony railings, reserved holes and drainage pipe should be processed, door to door window frame fixed well, with 1:3 cement mortar to block a gap sealed, aluminium alloy door window frame embedded plug materials used for the side seam should comply with the design requirements, and should be stuck tightly, and pasted protective film in advance.
2.3.3 metope grassroots clean, foot hand-eye, such as window, the window is build by laying bricks or stones wall well in advance.
2.3.4 to choose according to the size of the brick, color brick, and classified storage backup.
2.3.5 amplified sample should be taken before construction, large area model and make a wall, determine the construction technology and operating essentials, and to the construction personnel to do a good job of disclosure. After completion of mold wall must be the quality inspection department after appraisal is eligible, pass design, and construction unit jointly decided that party a can organize team in accordance with the requirements for mold wall construction.
3 operation process
3.1 process:
Basic level processing to hung vertically, set square, find rules, stick to wipe the underlying mortar, ash cake
The spring wire frame - row - leaching brick to set furring brick, brick seam jointing and brush
3.2 basic method for the operation of the concrete wall
3.2.1 basic level processing: first of all to protrude the stuck between concrete flat of metope, concrete wall of large steel mould construction should be cut hair, filled with a wire brush to brush again, water wet again. If primary concrete surface is very smooth, can adopt the following "roughen processing" method, namely the surface dust, dirt clean first, with 10% caustic soda water oil pollution of the panel is brushed, then use clean water to rinse, lye to dry, then use 1:1 in the fine cement mortar mix into 20% of the 107 glue, spray or use the broom to mortar on the wall, the sling points to evenly, water conservation, after the final set until the cement mortar bumps smooth on all glued to the concrete, and has high strength (with the hand break fixed).
3.2.2 hanging vertical, set square, find rules, stick ash cake: if for high-rise buildings, should be at the edge of the big four Angle and door window with a theodolite find straight vertical line; If the building is multilayer, can start from the top with a special big sank taut wire hanging vertical line, and then according to the size of brick layered instruction, do ash cake. Horizontal lines are horizontal datum circle control, floor around the vertical line with large Angle and sky column or buttress for the baseline control, should be all the whole brick. Each layer of render it as grey as a reference point for screed, make its horizontal flat vertical bottom ash. At the same time pay attention to find good eaves, waist line, windowsill, awning and other decorative surface slope and the water drip line (slot).
3.2.3 wipe the underlying mortar; Down to brush a 10% of the 107 plastic cement slurry, followed by layered points times wipe the underlying mortar (normal temperature when using mixture ratio is 1:3 cement mortar), the thickness of the first pass straight to 5 mm, wipe with wood float after rub flat, the next day water conservation; Works for the first time six to seventy percent, and the second time to smear, 8 ~ 12 mm thickness, and then scrape to evenness with wooden poles, and wood float hair, rub the next water conservation, if need to put a third time, its operation method with the second time, until the bottom mortar screeding.
3.2.4 play frame: after basic grey six to seventy percent when, can according to your drawings section frame line, at the same time also for surface standard point of the work, to control the surface size and vertical wall, flat and level.
3.2.5 row: according to the details and the brick wall size in relation to the row, to ensure uniform tile aperture, conform to the requirements of the design drawings, pay attention to the Great Wall, borne a pillar and buttress of the brick, and in the same bearing arrangement on metope, shall not have more than one line of the whole brick. Less than a full brick row should be no secondary parts, such as Windows or internal Angle of the wall between. But also pay attention to the consistent and symmetry. In case of card for outstanding, brick application the whole set of cutting, shall not use the whole brick haphazardly with stick.
3.2.6 immersed brick, glazed tile and wall brick set before, first of all to face brick clean, soak in the water for more than 2 h, remove the surface dry clean or rear can use.
3.2.7 with furring brick: post shall be carried out from top to bottom. High-rise building measures, segments. Within each section or block brick, are the bottom-up with stick. From the next layer of the location of the brick under the skin line first on foot, in order to hold the first skin brick. In the brick skin easy pull level line, as a set of standards.
Straight on the underside of the tile using cement mortar or 1:0.2:1, 2, 2 = : white plaster: cement sand mortar mixed with paste, mortar thickness is 6 ~ 10 mm, labeled with grey shovel handle after knock gently, attached to the line, then use operation adjusting vertical joints of the steel, and small bar through standard adjustment plane and vertical degree.
Another approach is to use cement mortar water 1:1 20% of the 107 glue, with 3 ~ 4 mm thick paste on the underside of the brick. But this is the basic grey must wipe flat, and the sand must use wire netting screen after use.
Other powder can be used to paste the brick, the thickness of 2 ~ 3 mm, with this kind of practice the basic grey must be more smooth.
If asked glazed tile pull seam with stick, brick width level between the li rice control, mm article with tile with mortar and temporary middle ash impregnated, mm article post good brick snappy, already in the set to ensure that it is flat and level, can temporarily padded small wedge.
Parapet coping, windowsill, waist line plane to also set in areas such as the wall tile, in addition to the water slope comply with the design requirements, should be taken to practice in the process of the surface pressure elevation tile and brick, prevent water seepage inside, cause empty crack; Should also take the lowest elevation of a row of brick, brick must press bottom plane and the lower bottom surface brick 3 ~ 5 mm, let its super drip line (slot), the effect of preventing urinary eaves crack caused by the empty.
3.2.8 brick seam jointing and wipe: floor tile when sewing, with a 1:1 cement mortar jointing, hook horizontal seam first, then the vertical seam, after been hooked on external surface of the hollow brick 2 ~ 3 mm. If somehow the seam to squeeze dry seam, or less than 3 mm, white cement with a paint brush sewing processing application. After the brick nuiko hook, a cloth or cotton silk dip in dilute hydrochloric acid wash clean.
3.3 basic method for the operation of the brick wall surface:
3.3.1 before rendering, water walls must be clean, moist.
3.3.2 rainfall distribution on 10-12 Great Wall and the four corners, door window line to find the rules, must be conducted by top exactly once, pop-up vertical line, and decided to brick wall size, layered instruction, do ash cake. Horizontal lines are horizontal floor baseline loop control, vertical line around with large Angle and borne crib, pillars for the baseline control. Each layer when the render with the cake as a benchmark for screed, make its horizontal flat vertical bottom ash. At the same time pay attention to find good eaves, waist line, windowsill, awning and other decorative surface water slope.
3.3.3 wipe the bottom mortar: water the metope first wet, then use 1:3 cement mortar to blow a 6 mm thick, followed with the same strength grade of grey and washed by the tendons, scrape to evenness immediately with wooden poles, wooden rub hair, water conservation the next day.
3.3.4 ~ 3.3.8 with base for the concrete walls.
3.4 for the aerated concrete wall at the grass-roots level, appropriate, choose one of the following two ways:
3.4.1 track water and aerated concrete surface, repair the lack of edge drop horn. Before repairing, brush a first polymer slurry, then use 1:3:9 = cement: white plaster: layered filling sand mixed mortar, wipe brush polymer cement slurry and the next day 1:1:6 mixed mortar matrix, wood float rub flat, water conservation the next day.
3.4.2 water and aerated concrete surface, in the lack of edge drop horn brush polymer cement, mortar mixed with 1:3:9 layered filling-in, after being dry, nail wire mesh layer and tighten. In online metal layered with 1:1:6 mixed mortar base (preferably adopts the mechanical injection process), mortar and metal mesh should be combined with strong, with wood float gently rub flat, finally the next water conservation.
Other practices with concrete walls.
3.5 summer with outdoor decorative panel, face brick, should have measures to prevent exposure of reliable.
Winter construction: 3.6 generally only at the beginning of the winter construction, cold stage construction is not allowed.
3.6.1 mortar shall not be lower than 5 ℃, the use of temperature of slurry before hardening, antifreezing measures should be taken.
3.6.2 with freezing method of masonry wall. Should be the thaw before rendering.
3.6.3 set early hardening paste mortar shall not be cold. When the temperature is below 5 ℃, outdoor setting and posted in the mortar can be mixed with admixture can reduce the freezing temperature, its content should be determined by test.
3.6.4 radar echoes captured in order to prevent the ash layer in the early seas, and ensure the quality of operation, the mortar in the white plaster and 107 glue can't use, can use the same volume of fly ash to replace or to switch to cement mortar plaster.
4 quality standards
4.1 ensure projects:
4.4.1 face brick of the varieties, specifications, color, design must meet the design requirements and comply with the provisions of the current standards.
4.1.2 tile set must be strong, fall off without skew, lack of stare blankly, and cracks and other defects.
4.2 the basic items:
2 surface level off, clean, color is consistent, no discoloration, alkali, stain, the burnish that there was no significant damage, no empty drum.
4.2.2 seam filling embedded compact, flat, width, color is consistent, Yin and Yang pressure in the right Angle, not use parts of the whole brick is appropriate.
Brick holdings set cut: with the whole set of cutting, edge neat; Dado, stick on the face and let it outstand the wall thickness.
4.2.4 water slope to the right, drip line straight.
4.3 allowable deviation projects, see table 9-29.
Outdoor wall tile allowable deviation table 9-29
Will project allow deviation (mm) check method
Exterior wall glazed tile and brick
Vertical 3 3 1 facade in 2 m quantity check line board and ruler
Surface is flat and level 2 2 in 2 m line board and feeler check
3 Yang Angle of the whole 2 2 with 20 cm square chi and feeler check
4 straight seam 3 2, 5 m string cable and rod inspection
5 dado flowing straight 2 2, 5 m string cable and rod inspection
6 seam height 1 1 short feet with steel plates and feeler check
5 finished product protection
5.1 to clear in time clean residue on the door window frame of mortar, especially of aluminium alloy door window frame should be paste the protective film, prevent pollution and corrosion.
5.2 earnestly implement reasonable construction sequence, a type of work (water, electricity, ventilation, equipment installation, etc.) work should be done in the previous, prevent the damage of brick.
5.3 paint to paint the slurry spray droplets must not be on the tile has been finished, if the upper brick to outer coating or exposed aggregate metope, appropriate coating or exposed aggregate is done first, and then the furring brick, so as to avoid pollution of metope. If need to do first brick, completed sticker or plastic film and other measures must be taken to prevent pollution.
5.4 the plaster layer before condensation should prevent dry, sun, water, and vibration, to ensure that each layer has enough strength.
5.5 open shelves don't collision metope.
5.6 decorative materials and accessories and decorative surface components, in the process of transportation, storage and construction, measures must be taken to prevent damage or deterioration.
6 should pay attention to quality problems
6.1 the empty drum, fall off:
6.1.1 due to low winter temperatures, mortar seas, coming after the spring thaw are prone to fall off. So in the outdoor wall tile operation should keep warm, as far as possible not in winter construction.
6.1.2 surface deflection at the grass-roots level, basic level processing or improper construction, such as each layer of plaster and too tight, the brick tick off seam is lax, there is no water conservation, the bonding strength between the layers is very poor, the surface is easy to generate empty drum, fall off.
, also 6.1.3 the formulations of cement mortar consistency control is bad, the sand silt content is too big, on the same construction with different mixing ratio of mortar, and thus produce different drying shrinkage, will also be empty drum. Should add right amount 107 glue to the furring brick mortar, enhance the bonding, in strict accordance with the process operation, attaches great importance to the basic level processing and self-inspection work, to be put, found empty drum should immediately rework rework.
Metope rough 6.2: mainly structure during the period of construction, geometric size control is bad, cause the metope vertical big deviation, level off, and before decorating to basic level processing seriously enough. Should strengthen the inspection for the work of grass-roots base, qualified rear can be carried out under the procedure.
6.3 case seam uneven, not straight: mainly did not seriously before the construction according to the drawing size, check the actual situation of the structure construction, combined with piecewise partition line, line of brick is not fine, less bread stick ash control points, and the brick size deviation, choose brick construction is not fine, caused by improper operation, etc.
Metope dirty: 6.4 the main reason is that after check the seam didn't wipe mortar in time as well as other type of work caused by pollution, can dip in with cotton silk dilute hydrochloric acid with 20% water scrub, and then washed with tap water. At the same time should strengthen the finished product protection.
7 quality records
This technology standard should have the following quality records:
Material such as 7.1 brick factory certificate.
7.2 part project quality inspection evaluation table.
7.3 outdoor tile grilled pull test report, etc.
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