CN104989100B - Construction method for crack prevention on connecting portion of masonry wall and concrete wall column - Google Patents
Construction method for crack prevention on connecting portion of masonry wall and concrete wall column Download PDFInfo
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- CN104989100B CN104989100B CN201510269343.2A CN201510269343A CN104989100B CN 104989100 B CN104989100 B CN 104989100B CN 201510269343 A CN201510269343 A CN 201510269343A CN 104989100 B CN104989100 B CN 104989100B
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Abstract
The invention discloses a construction method for crack prevention on a connecting portion of a masonry wall and a concrete wall column. The method comprises following construction steps: (1) wall steel tie bars are reserved; (2) the axis and side lines of the wall are snapped according to the position of the brick wall before bricks are laid, and the bricks are arranged so as to set the width of mortar joints during a brick laying process, wherein cracks of the bricks are staggered; (3) the bricks are laid in a bite racking and staggered manner at an exterior wall corner and a longitudinal and lateral wall cross joint during the brick laying process; (4) two story poles are pulled out; and (5) a crack prevention net is laid on the connecting portion of the masonry wall and the reinforced concrete column. The method is advantageous in that concrete is convenient to cast, the construction efficiency is improved, the construction can be conveniently carried out, the connection is reliable, and cracks can be effectively prevented from forming at the connecting portion of the masonry wall and the concrete wall column.
Description
Technical field
The present invention relates to a kind of construction techniques, is to be related to a kind of masonry panel and concrete wall column in particular
Junction cracking-proof construction method.
Background technology
Masonry belongs in itself fragile material, and its strength grade is low, water absorption rate is high, contraction distortion is big.For the breathing of masonry,
Different positions differ, and often two is big and centre is little, and when filling, the connection between masonry and concrete wall column is strong
When less and materials for wall the tensile strength of degree is larger, deformation occurs in interface, produce interface seam.Currently in concrete walls
Easily there is crack in the position that post is contacted with masonry, it has also become the common common quality defect of architectural engineering.The presence in crack reduces wall
The quality of body, affects the globality of body of wall, durability and anti-seismic performance, at the same the crack of body of wall to occupant on sense organ and the heart
Harmful effect is also resulted in reason.
The content of the invention
The present invention is directed to the deficiencies in the prior art, and provides one kind and be effectively prevented masonry panel with concrete wall column handing-over
There is crack in place, improves efficiency of construction, reduces the masonry panel and concrete wall column junction cracking-proof construction party of construction cost
Method.
The masonry panel of the present invention and concrete wall column junction cracking-proof construction method, including following construction procedure：
Step one body of wall steel tie is reserved：Before post wall reinforcement construction, the pre-buried extrusion molding foam first in concrete wall column
Plate, by extrusion molding foam-board colligation on post wall steel wire binding bar, then carries out envelope template, the form removal after concrete setting, then will squeeze
Modeling cystosepiment cleaning, is finally welded on body of wall steel tie on post wall steel wire binding bar, mixes the water with the same label of swelling agent
Cement mortar is mended real smooth；
Before step 2 is built by laying bricks or stones, first axis and sideline are ejected according to brick wall position, first carry out putting brick discharge mortar joint loose when building by laying bricks or stones
Degree, the crack of each skin brick is mutually staggered；
When step 3 is built by laying bricks or stones, first the building block point skin of exterior wall corner and longitudinal cross wall junction is stung raft, staggeredly takes block,
The mutual fissure of displacement of upper hypodermis building block of exterior wall takes block, and the lap of splice is not less than 1/3rd of building block length, the vertical lap seam of body of wall
With window hole sideline not on same gap, then in each embedding root skin number in side both sides of body of wall and concrete wall column junction
Bar, the building block is concordant with marked rod to build by laying bricks or stones, the space cement mortar or pea gravel concreten between two marked rods with build with
Filling is closely knit；
After the completion of step 4 building wall, two marked rods are extracted out, a groove is formed on body of wall, groove is being built
Build closely knit with C20 expansion pea gravel concreten fillings after completing 15 days；
Step 5 lays anti-cracking net in blockwork and reinforced column junction, repairs metope ash seam defect, cleaning
Basic unit, 2 days in advance moistening metope outer surfaces, then plasters；Concrete wall column absorbs water with the bi-material of masonry panel junction
Rate is inconsistent, and bi-material is sprinkled water respectively during moistening metope outer surface.
Marked rod is made up of batten described in step 3 and step 4, and the thickness and width of marked rod are 30mm.
Concrete described in step 4 is that C20 expands pea gravel concreten.
Anti-cracking net described in step 5 is made up of alkali resistant glass fibre open weave cloth or hot-galvanized steel silk screen, and the width of anti-cracking net is not little
In 300mm.
The fixing point of anti-cracking net arranges that the spacing of fixing point is not according to regular hexagon when the anti-cracking net is laid in step 5
More than 200mm.
The invention has the beneficial effects as follows：（1）Concreting is convenient, improves efficiency of construction, reduces construction cost；（2）Apply
Work connection is reliable, is effectively prevented masonry panel and crack occurs with concrete wall column junction.
Specific embodiment
Below the invention will be further described.
Tension rib method to set up at the masonry panel and xoncrete structure interface of the present invention, including following construction procedure：
Step one body of wall steel tie is reserved：Before post wall reinforcement construction, the pre-buried extrusion molding foam first in concrete wall column
Plate, by extrusion molding foam-board colligation on post wall steel wire binding bar, then carries out envelope template, the form removal after concrete setting, then will squeeze
Modeling cystosepiment cleaning, is finally welded on body of wall steel tie on post wall steel wire binding bar, mixes the water with the same label of swelling agent
Cement mortar is mended real smooth；
Before step 2 is built by laying bricks or stones, first axis and sideline are ejected according to brick wall position, first carry out putting brick discharge mortar joint loose when building by laying bricks or stones
Degree, the crack of each skin brick is mutually staggered；
When step 3 is built by laying bricks or stones, first the building block point skin of exterior wall corner and longitudinal cross wall junction is stung raft, staggeredly takes block,
The mutual fissure of displacement of upper hypodermis building block of exterior wall takes block, and the lap of splice is not less than 1/3rd of building block length, the vertical lap seam of body of wall
With window hole sideline not on same gap, then in each embedding root skin number in side both sides of body of wall and concrete wall column junction
Bar, the building block is concordant with marked rod to build by laying bricks or stones, the space cement mortar or pea gravel concreten between two marked rods with build with
Filling is closely knit；
After the completion of step 4 building wall, two marked rods are extracted out, a groove is formed on body of wall, groove is being built
Build closely knit with C20 expansion pea gravel concreten fillings after completing 15 days；
Step 5 lays anti-cracking net in blockwork and reinforced column junction, repairs metope ash seam defect, cleaning
Basic unit, 2 days in advance moistening metope outer surfaces, then plasters；Concrete wall column absorbs water with the bi-material of masonry panel junction
Rate is inconsistent, and bi-material is sprinkled water respectively during moistening metope outer surface.
Marked rod is made up of batten described in step 3 and step 4, and the thickness and width of marked rod are 30mm.Step
Concrete described in four is that C20 expands pea gravel concreten.Anti-cracking net described in step 5 is by alkali resistant glass fibre open weave cloth or galvanizing
Steel wire is made, and the width of anti-cracking net is not less than 300mm.When the anti-cracking net is laid in step 5 the fixing point of anti-cracking net according to
Regular hexagon arranges that the spacing of fixing point is not more than 200mm.
Masonry panel is handed over seam crossing to arrange and is plastered again after anti-cracking net with xoncrete structure, crack is increased as far as possible and is easily sent out
The elasticity of raw position coat of plaster, to reduce crack occurrence probability.Meanwhile, cracking-proof measure is also carried out to coat of plaster.
Block can be effectively prevented using tension rib method to set up at the masonry panel and xoncrete structure interface of the present invention
There is crack with concrete wall column junction in walling body.
Claims (4)
1. a kind of masonry panel and concrete wall column junction cracking-proof construction method, it is characterised in that including following construction step
Suddenly：
Step one body of wall steel tie is reserved：Before post wall reinforcement construction, the pre-buried extrusion molding foam-board first in concrete wall column,
By extrusion molding foam-board colligation on post wall steel wire binding bar, envelope template, the form removal after concrete setting are then carried out, then extrusion molding is steeped
Foam plate is cleared up, and finally body of wall steel tie is welded on post wall steel wire binding bar, mixes the cement bonded sand with the same label of swelling agent
Slurry is mended real smooth；
Before step 2 is built by laying bricks or stones, first axis and sideline are ejected according to brick wall position, first carry out putting brick discharge mortar joint width when building by laying bricks or stones,
Mutually stagger in the crack of each skin brick；
When step 3 is built by laying bricks or stones, first the building block point skin of exterior wall corner and longitudinal cross wall junction is stung raft, staggeredly takes block, exterior wall
The mutual fissure of displacement of upper hypodermis building block of body takes block, and the lap of splice is not less than 1/3rd of building block length, the vertical lap seam and window of body of wall
Hole sideline not on same gap, then in each embedding marked rod in side both sides of body of wall and concrete wall column junction,
The building block is concordant with marked rod to build by laying bricks or stones, and the space cement mortar or pea gravel concreten between two marked rods is with block with filling
It is closely knit；
After the completion of step 4 building wall, two marked rods are extracted out, a groove is formed on body of wall, groove is being built by laying bricks or stones
It is closely knit with C20 expansion pea gravel concreten fillings into after 15 days；
Step 5 lays anti-cracking net in blockwork and reinforced column junction, repairs metope ash seam defect, clears up base
Layer, 2 days in advance moistening metope outer surfaces, then plasters；Concrete wall column and the bi-material water absorption rate of masonry panel junction
It is inconsistent, bi-material is sprinkled water respectively during moistening metope outer surface.
2. masonry panel according to claim 1 and concrete wall column junction cracking-proof construction method, it is characterised in that
Marked rod is made up of batten described in step 3 and step 4, and the thickness and width of marked rod are 30mm.
3. masonry panel according to claim 1 and concrete wall column junction cracking-proof construction method, it is characterised in that
Anti-cracking net described in step 5 is made up of alkali resistant glass fibre open weave cloth or hot-galvanized steel silk screen, and the width of anti-cracking net is not less than 300mm.
4. masonry panel according to claim 1 and concrete wall column junction cracking-proof construction method, it is characterised in that
The fixing point of anti-cracking net is arranged according to regular hexagon when the anti-cracking net is laid in step 5, and the spacing of fixing point is not more than
200mm。
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| CN201510269343.2A CN104989100B (en) | 2015-05-25 | 2015-05-25 | Construction method for crack prevention on connecting portion of masonry wall and concrete wall column |
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| CN105908864B (en) * | 2016-05-25 | 2018-02-27 | 新宇建设有限公司 | Fill masonry and the construction method of frame-shear wall prevention Interface Crack structure |
| CN106245807A (en) * | 2016-08-25 | 2016-12-21 | 中国十七冶集团有限公司 | There is the body of wall in crack in a kind of junction being avoided that with beams of concrete |
| CN111305419A (en) * | 2020-03-30 | 2020-06-19 | 四川华远建设工程有限公司 | Masonry engineering construction process |
| CN112411805A (en) * | 2020-11-27 | 2021-02-26 | 上海宝冶集团有限公司 | Heat-insulation building method for shear wall and filler wall of heat-insulation integrated system |
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| AU2001288133A1 (en) * | 2000-08-08 | 2002-02-25 | Epifanio Sanchez Tirado | Structural building system for walls and lightened slabs |
| CN101858142B (en) * | 2010-06-25 | 2012-01-04 | 中天建设集团有限公司天津分公司 | Construction method for preventing vertical cracking between main structure and filled wall |
| CN102477797B (en) * | 2010-11-24 | 2016-06-01 | 五冶集团上海有限公司 | A kind of construction method preventing infilled wall crack |
| CN202767257U (en) * | 2012-07-23 | 2013-03-06 | 青岛建安建设集团有限公司 | Plastered free concrete wall and plastered concrete wall connection anti-fissure structure |
| CN103266767B (en) * | 2013-05-27 | 2015-06-10 | 中国航天建设集团有限公司 | Construction method for preventing and treating cracks between concrete structure and filler wall |
| CN103469939B (en) * | 2013-09-24 | 2015-09-09 | 中国建筑第二工程局有限公司 | A kind of masonry filler wall and main body flexibly connect earthquake resistant structure and construction method thereof |
| CN103615114B (en) * | 2013-12-02 | 2018-03-06 | 浙江中联建设集团有限公司 | Brick setting concrete drawknot anticracking board belt construction engineering method |
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