Reinforced cement (GRC) hollow board partition wall construction
1 scope
The technology standard is suitable for use in residential engineering and similar with the general civil building engineering of reinforced cement hollow board partition wall construction.
2 construction preparation
2.1 materials and tools:
Article 2.1.1 reinforced cement hollow board:
Reinforced cement hollow bar has a standard plate, door plate, frame plate, the upper door, window upper and the lower window and special-shaped plate. Standard plate used for general partition. Other board according to the engineering design specifications for processing.
2.1.1.1 specifications: ordinary residential use plate specification as follows:
Length (L) 2400 ~ 3000 mm
Width (B) 590 ~ 595 mm
(H) 60, 90 mm thick
Public building plate specifications for:
Length (L) 2400 ~ 3900 mm
Width (B) 590 ~ 595 mm
(H) 90 mm thick
2.1.1.2 technical requirements: the surface density of 60 kg/m2 or less
Bending load acuity 2.0 G (G sheet for the weight of the unit, N)
Single point hanging force 800 n or more
The compressive strength of the slurry 10 mpa or greater
The softening coefficient of 0.8 or higher
Reduction of 0.08% or less
2.1.2 adhesive: cement type of adhesive. Article for reinforced cement hollow pole and matrix structure of fixed, joints treatment, stitched and metope Angle of glass fiber cloth paste board.
Initial setting time > 0.5 h
Bond strength > 1.0 MPa
2.1.3 50 mm wide in the alkali glass fiber and glass fiber cloth, used for plate processing.
> 80 g/m2, 8 orders/in
Breaking strength: 25 mm x 100 mm strip warp > 300 n
Zonal > 150 n
2.1.4 gypsum putty: used for full wall. The performance of the putty:
> 2.5 MPa compressive strength; Flexural strength > 1.0 MPa; Bond strength > 0.2 MPa; The final setting time is 3 h.
2.1.5 tools: no tooth saws, broom, bucket, wire brush, gray groove, 2 m by feet, 2 m line board, surgery, pry root, ruler, rubber hammer, wedge, nail gun with flat, drill, etc.
2.2 operation conditions:
2.2.1 structure acceptance, roofing waterproof layer has been completed. Metope pop-up + 50 cm elevation lines.
2.2.2 site operation environment temperature is not lower than 5 ℃.
2.2.3 officially before installation, try to install mold wall, identified qualified before installation.
3 the construction technology
3.1 process:
The structure of metope, end face,
The ground clean and leveling
left
Pay-off, step
left
Distribution board, repair
left
Ann u-shaped card (with seismic requirements)
left
Preparation of adhesive
left
Install the partition board
left
Ann door window frame
left
Plate joint processing
left
The plate is decorated
3.2 cleaning clapboard and the integration of a top surface, ground, metope, all out of metope mortar, concrete block and so on must remove and sweep, try our best to make level units.
Pay-off, step 3.3: on the ground, metope and end face according to the designed position, play good partition line and door opening line, and press plate width along.
3.4 with board, repair; The length of the plate should be according to the size of floor structure clear height of minus 20 mm. Calculate and measure the upper Windows and doors hole and a baffle plate at the bottom of the window size, according to the size of the lining board with embedded parts. When the plate width and the length of the partition does not adapt, should be part of the partition board splicing widened sawing (or narrow) in advance into the appropriate width, placed there are internal Angle. The defective board should be repaired.
3.5 the seismic requirements, should according to the design requirements with u-shaped plate fixed bar at the top of the card. At the top of the two pieces of bar flat-fell seam between the u-shaped steel card with nail fixed on the beam and plate. Increases with the increasing Ann plate fixed u-shaped steel card.
3.6 dispensing adhesive: adhesive will use English along with. Preparation of the adhesive should be finished within 30 minutes.
3.7 installation partition wall board, partition panel installation order should be started, and junction of the wall in order to install. Board side flush float ash, in metope, end face, the top surface of plate and the side split surface (phase) with adhesive, according to the elastic line installed in place, at the bottom of the plate with a wooden wedge, reoccupy hand horizontal pushing plate, plate seam risked pulp, a person with pry up the bottom of the plate, the other people dozen chock, make the partition board clamping top, then use adhesive (putty knife) will squeeze operation leveling. According to the above operation way to install the partition board in turn.
When installing a partition wall board, it is important to note that the surface is hard to advance play good positioning line on the roof and floor, at any time during the installation process in 2 m by feet and feeler the flatness of metope, in 2 m line plate inspection of verticality.
Binding end wall, should immediately with C20 plate mouth plugging under harsh concrete severe, when the concrete reaches more than 10 mpa, removed plate under wedge, with the same intensity of harsh mortar pouring.
3.8 laying wire tube, junction box, pipe clamp, and built-in installation: the basis of electrical installation diagram for location positioning line, pipe laying wire and terminal block.
All wire and tube must be suitable reinforced cement hollow plate hole laid, it is forbidden to horizontal and inclined shop.
Junction box, first in the borehole reaming (prevent slam), reoccupy reaming with flat, hole size moderate, founder. Clean up the hole, adhesive for stabilizing junction box.
According to the design specified way to install plumbing pipe clamp and hangs up.
3.9 Ann door window frame: general use for Windows and doors hole, after the Ann method of door window frame. Steel door and window must with embedded parts of door window frame plate welding. Wooden door window frame with l-shaped fittings connection, with wood screw connected with wooden frame, the other end with embedded parts in door window frame plate welding. Door window frame and window frame plate gap between should not be more than 3 mm, more than 3 mm, it should be gasket transition. Will crack the float ash clean, with adhesive sealing. Caulking embedded with embedded close-grained, in order to prevent the collision when they switch frame cause cracks.
3.10 plate joint processing: 10 d after installed clapboard, check whether all gap binder is good, the presence of cracks, such as cracks, should be repaired after find out the reason. Has good bonding of all joints, Yin Angle seam, to clean float ash, adhesive, stick with 50 mm wide glass fiber grid, Angle of partition wall in the Yang Angle paste 200 mm wide (100 mm wide on each side) a layer of glass fiber cloth, compaction, cements, reoccupy adhesive surface leveling.
3.11 decorate panel:
3.11.1 general bedroom metope, directly with gypsum putty leveling, polished again after the second putty, sand again, finally do act the role of the surface.
3.11.2 partition that play a base, the general should be brushed a 107 glue mud in the root, cement and terrazzo kicking again. Such as plastic, wood and kicking, drill into the first chock, reoccupy nailing on the partition wall board (or use the adhesive plaster).
3.11.3 if any local cracked panel, before do act the role ofing should be processing, to make the next working procedure.
4 quality standards
4.1 ensure projects:
4.4.1 reinforced cement hollow plate of various technical indicators have to meet the requirements stipulated in the relevant standards.
The quality of the preparation of the adhesive materials must conform to the relevant provisions.
Inspection method: inspect the product certification.
Article 4.1.2 reinforced cement hollow plate four sides adhesive must be strong.
The method of examination: hand vibration and observation.
4. L. 3 hang up point must be strong. Each project requires hanging force test, test records should be as technical data archive.
Inspection method: inspect hanging force test records.
4.2 the basic items:
2 node structure, component location, connecting anchoring method, all should comply with the design requirements.
Inspection method: to observe the examination.
4.2.2 clapboard bond should be strong, all the joint should be fill close-grained, should not appear dry crack.
Inspection methods; Observe check.
Holdings between door frame and door window frame plate with welding connection, the weld length should be greater than or equal to 10 mm, the thickness of the weld should not be less than 4 mm. Weld surface level off, without burns, sag, flash, crack, bite edge, defects such as porosity and slag, the solder joint surface should be recessed panel 3 mm.
Inspection method: to observe the examination.
4.2.4 glass fiber mesh belt (cloth) should be centered along the plate seam pressure stick close together, be without buckling, become warped edge, the leakage phenomenon.
Inspection method: to observe the examination.
4.3 allowable deviation projects:
The reinforced concrete hollow plate installation deviation should be allowed to meet the provisions of the table 9-16.
Installed clapboard allowable deviation table 9-16
Will project allow deviation (mm) check method
1 surface is flat and level 3 in 2 m by feet and wedge feeler check
2 facade vertical 3 in 2 m line board check
3 joint elevation difference 2 with straightedge and feeler check
Use the 200 mm square chi, Yin and Yang Angle founder 4 and check our feet
5 axis offset 10 check with your ruler
5 finished product protection
5.1 the construction of each major type of work should be closely, reasonable arrangement of working procedure, it is forbidden to reverse process operation. Clapboard bonding within 10 d after tapping, avoid collision shall not to carry on the construction of next working procedure.
Up 5.2 installation, appropriate USES electric drill hole reaming, enlarge square hole with flat shovel, not for hitting a partition. In blow be bored with child after partition, should not be any picks his chisel.
5.3 keep a transport car collision partition panel and door.
6 should pay attention to quality problems
Article 6.1 note reinforced cement hollow board of transportation and storage. During transit to should take put down gently, side to carry on and tie with each other, may not be tied up the flat. Stacking place should level off, the pad (100 mm x 100 mm, board should stand sideways, pad (50 cm away from the plate end.
Plate if there are any obvious deformation, unable to repair the big holes, severe fracture, crack or damaged, shall not be used.
6.2 plate slit is the quality common fault. One way to prevent plate slit is the use of adhesive must be right, the second is to make the joints processing operation process in strict accordance with the operation carefully. Currently used adhesive, the effect is good with EC - 6 type cement mortar adhesive, the bully Ⅱ type cement mortar adhesive glue.
EC - 6 type rubber, mainly on VAE resin emulsion agent, match with a variety of additives. EC - 6 type glue: water = 1:1 (weight ratio), mixed gelling fluid, cement, fine = 1, 2, 425 mixing into dry mortar, then add in adhesive solution the right consistency of EC - 6 polymer cement mortar adhesive, the adhesive strength acuity 1.1 MPa.
The bully Ⅱ type rubber adhesive cement mortar, mixed with the concrete application of sulphur aluminate cement, 425 mixture ratio (weight ratio), rubber, cement, sand = 1:1:2, mixing into the appropriate consistency.
Choose adhesive is critical and must be treated with caution.
7 quality records
This technology standard should have the following quality records:
Article 7.1 reinforced cement hollow plate quality certificate.
7.2 adhesive quality certificate.
7.3 partition panel hanging force test records.
7.4 partition wall component project quality inspection records.
1 scope
The technology standard is suitable for use in residential engineering and similar with the general civil building engineering of reinforced cement hollow board partition wall construction.
2 construction preparation
2.1 materials and tools:
Article 2.1.1 reinforced cement hollow board:
Reinforced cement hollow bar has a standard plate, door plate, frame plate, the upper door, window upper and the lower window and special-shaped plate. Standard plate used for general partition. Other board according to the engineering design specifications for processing.
2.1.1.1 specifications: ordinary residential use plate specification as follows:
Length (L) 2400 ~ 3000 mm
Width (B) 590 ~ 595 mm
(H) 60, 90 mm thick
Public building plate specifications for:
Length (L) 2400 ~ 3900 mm
Width (B) 590 ~ 595 mm
(H) 90 mm thick
2.1.1.2 technical requirements: the surface density of 60 kg/m2 or less
Bending load acuity 2.0 G (G sheet for the weight of the unit, N)
Single point hanging force 800 n or more
The compressive strength of the slurry 10 mpa or greater
The softening coefficient of 0.8 or higher
Reduction of 0.08% or less
2.1.2 adhesive: cement type of adhesive. Article for reinforced cement hollow pole and matrix structure of fixed, joints treatment, stitched and metope Angle of glass fiber cloth paste board.
Initial setting time > 0.5 h
Bond strength > 1.0 MPa
2.1.3 50 mm wide in the alkali glass fiber and glass fiber cloth, used for plate processing.
> 80 g/m2, 8 orders/in
Breaking strength: 25 mm x 100 mm strip warp > 300 n
Zonal > 150 n
2.1.4 gypsum putty: used for full wall. The performance of the putty:
> 2.5 MPa compressive strength; Flexural strength > 1.0 MPa; Bond strength > 0.2 MPa; The final setting time is 3 h.
2.1.5 tools: no tooth saws, broom, bucket, wire brush, gray groove, 2 m by feet, 2 m line board, surgery, pry root, ruler, rubber hammer, wedge, nail gun with flat, drill, etc.
2.2 operation conditions:
2.2.1 structure acceptance, roofing waterproof layer has been completed. Metope pop-up + 50 cm elevation lines.
2.2.2 site operation environment temperature is not lower than 5 ℃.
2.2.3 officially before installation, try to install mold wall, identified qualified before installation.
3 the construction technology
3.1 process:
The structure of metope, end face,
The ground clean and leveling
left
Pay-off, step
left
Distribution board, repair
left
Ann u-shaped card (with seismic requirements)
left
Preparation of adhesive
left
Install the partition board
left
Ann door window frame
left
Plate joint processing
left
The plate is decorated
3.2 cleaning clapboard and the integration of a top surface, ground, metope, all out of metope mortar, concrete block and so on must remove and sweep, try our best to make level units.
Pay-off, step 3.3: on the ground, metope and end face according to the designed position, play good partition line and door opening line, and press plate width along.
3.4 with board, repair; The length of the plate should be according to the size of floor structure clear height of minus 20 mm. Calculate and measure the upper Windows and doors hole and a baffle plate at the bottom of the window size, according to the size of the lining board with embedded parts. When the plate width and the length of the partition does not adapt, should be part of the partition board splicing widened sawing (or narrow) in advance into the appropriate width, placed there are internal Angle. The defective board should be repaired.
3.5 the seismic requirements, should according to the design requirements with u-shaped plate fixed bar at the top of the card. At the top of the two pieces of bar flat-fell seam between the u-shaped steel card with nail fixed on the beam and plate. Increases with the increasing Ann plate fixed u-shaped steel card.
3.6 dispensing adhesive: adhesive will use English along with. Preparation of the adhesive should be finished within 30 minutes.
3.7 installation partition wall board, partition panel installation order should be started, and junction of the wall in order to install. Board side flush float ash, in metope, end face, the top surface of plate and the side split surface (phase) with adhesive, according to the elastic line installed in place, at the bottom of the plate with a wooden wedge, reoccupy hand horizontal pushing plate, plate seam risked pulp, a person with pry up the bottom of the plate, the other people dozen chock, make the partition board clamping top, then use adhesive (putty knife) will squeeze operation leveling. According to the above operation way to install the partition board in turn.
When installing a partition wall board, it is important to note that the surface is hard to advance play good positioning line on the roof and floor, at any time during the installation process in 2 m by feet and feeler the flatness of metope, in 2 m line plate inspection of verticality.
Binding end wall, should immediately with C20 plate mouth plugging under harsh concrete severe, when the concrete reaches more than 10 mpa, removed plate under wedge, with the same intensity of harsh mortar pouring.
3.8 laying wire tube, junction box, pipe clamp, and built-in installation: the basis of electrical installation diagram for location positioning line, pipe laying wire and terminal block.
All wire and tube must be suitable reinforced cement hollow plate hole laid, it is forbidden to horizontal and inclined shop.
Junction box, first in the borehole reaming (prevent slam), reoccupy reaming with flat, hole size moderate, founder. Clean up the hole, adhesive for stabilizing junction box.
According to the design specified way to install plumbing pipe clamp and hangs up.
3.9 Ann door window frame: general use for Windows and doors hole, after the Ann method of door window frame. Steel door and window must with embedded parts of door window frame plate welding. Wooden door window frame with l-shaped fittings connection, with wood screw connected with wooden frame, the other end with embedded parts in door window frame plate welding. Door window frame and window frame plate gap between should not be more than 3 mm, more than 3 mm, it should be gasket transition. Will crack the float ash clean, with adhesive sealing. Caulking embedded with embedded close-grained, in order to prevent the collision when they switch frame cause cracks.
3.10 plate joint processing: 10 d after installed clapboard, check whether all gap binder is good, the presence of cracks, such as cracks, should be repaired after find out the reason. Has good bonding of all joints, Yin Angle seam, to clean float ash, adhesive, stick with 50 mm wide glass fiber grid, Angle of partition wall in the Yang Angle paste 200 mm wide (100 mm wide on each side) a layer of glass fiber cloth, compaction, cements, reoccupy adhesive surface leveling.
3.11 decorate panel:
3.11.1 general bedroom metope, directly with gypsum putty leveling, polished again after the second putty, sand again, finally do act the role of the surface.
3.11.2 partition that play a base, the general should be brushed a 107 glue mud in the root, cement and terrazzo kicking again. Such as plastic, wood and kicking, drill into the first chock, reoccupy nailing on the partition wall board (or use the adhesive plaster).
3.11.3 if any local cracked panel, before do act the role ofing should be processing, to make the next working procedure.
4 quality standards
4.1 ensure projects:
4.4.1 reinforced cement hollow plate of various technical indicators have to meet the requirements stipulated in the relevant standards.
The quality of the preparation of the adhesive materials must conform to the relevant provisions.
Inspection method: inspect the product certification.
Article 4.1.2 reinforced cement hollow plate four sides adhesive must be strong.
The method of examination: hand vibration and observation.
4. L. 3 hang up point must be strong. Each project requires hanging force test, test records should be as technical data archive.
Inspection method: inspect hanging force test records.
4.2 the basic items:
2 node structure, component location, connecting anchoring method, all should comply with the design requirements.
Inspection method: to observe the examination.
4.2.2 clapboard bond should be strong, all the joint should be fill close-grained, should not appear dry crack.
Inspection methods; Observe check.
Holdings between door frame and door window frame plate with welding connection, the weld length should be greater than or equal to 10 mm, the thickness of the weld should not be less than 4 mm. Weld surface level off, without burns, sag, flash, crack, bite edge, defects such as porosity and slag, the solder joint surface should be recessed panel 3 mm.
Inspection method: to observe the examination.
4.2.4 glass fiber mesh belt (cloth) should be centered along the plate seam pressure stick close together, be without buckling, become warped edge, the leakage phenomenon.
Inspection method: to observe the examination.
4.3 allowable deviation projects:
The reinforced concrete hollow plate installation deviation should be allowed to meet the provisions of the table 9-16.
Installed clapboard allowable deviation table 9-16
Will project allow deviation (mm) check method
1 surface is flat and level 3 in 2 m by feet and wedge feeler check
2 facade vertical 3 in 2 m line board check
3 joint elevation difference 2 with straightedge and feeler check
Use the 200 mm square chi, Yin and Yang Angle founder 4 and check our feet
5 axis offset 10 check with your ruler
5 finished product protection
5.1 the construction of each major type of work should be closely, reasonable arrangement of working procedure, it is forbidden to reverse process operation. Clapboard bonding within 10 d after tapping, avoid collision shall not to carry on the construction of next working procedure.
Up 5.2 installation, appropriate USES electric drill hole reaming, enlarge square hole with flat shovel, not for hitting a partition. In blow be bored with child after partition, should not be any picks his chisel.
5.3 keep a transport car collision partition panel and door.
6 should pay attention to quality problems
Article 6.1 note reinforced cement hollow board of transportation and storage. During transit to should take put down gently, side to carry on and tie with each other, may not be tied up the flat. Stacking place should level off, the pad (100 mm x 100 mm, board should stand sideways, pad (50 cm away from the plate end.
Plate if there are any obvious deformation, unable to repair the big holes, severe fracture, crack or damaged, shall not be used.
6.2 plate slit is the quality common fault. One way to prevent plate slit is the use of adhesive must be right, the second is to make the joints processing operation process in strict accordance with the operation carefully. Currently used adhesive, the effect is good with EC - 6 type cement mortar adhesive, the bully Ⅱ type cement mortar adhesive glue.
EC - 6 type rubber, mainly on VAE resin emulsion agent, match with a variety of additives. EC - 6 type glue: water = 1:1 (weight ratio), mixed gelling fluid, cement, fine = 1, 2, 425 mixing into dry mortar, then add in adhesive solution the right consistency of EC - 6 polymer cement mortar adhesive, the adhesive strength acuity 1.1 MPa.
The bully Ⅱ type rubber adhesive cement mortar, mixed with the concrete application of sulphur aluminate cement, 425 mixture ratio (weight ratio), rubber, cement, sand = 1:1:2, mixing into the appropriate consistency.
Choose adhesive is critical and must be treated with caution.
7 quality records
This technology standard should have the following quality records:
Article 7.1 reinforced cement hollow plate quality certificate.
7.2 adhesive quality certificate.
7.3 partition panel hanging force test records.
7.4 partition wall component project quality inspection records.
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