CN103469939B - A kind of masonry filler wall and main body flexibly connect earthquake resistant structure and construction method thereof - Google Patents
A kind of masonry filler wall and main body flexibly connect earthquake resistant structure and construction method thereof Download PDFInfo
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- CN103469939B CN103469939B CN201310437301.6A CN201310437301A CN103469939B CN 103469939 B CN103469939 B CN 103469939B CN 201310437301 A CN201310437301 A CN 201310437301A CN 103469939 B CN103469939 B CN 103469939B
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- 238000010276 construction Methods 0.000 title claims abstract description 16
- 239000000945 fillers Substances 0.000 title claims abstract description 16
- 239000011230 binding agents Substances 0.000 claims abstract description 43
- 239000004567 concrete Substances 0.000 claims abstract description 29
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 23
- 239000004793 Polystyrene Substances 0.000 claims abstract description 21
- 229920002223 polystyrenes Polymers 0.000 claims abstract description 21
- 230000003014 reinforcing Effects 0.000 claims abstract description 17
- 238000007493 shaping process Methods 0.000 claims abstract description 10
- 238000000034 methods Methods 0.000 claims abstract description 7
- 280000603137 Block as companies 0.000 claims abstract description 4
- 210000003205 Muscles Anatomy 0.000 claims abstract description 4
- 239000011449 bricks Substances 0.000 claims description 38
- 229910000831 Steel Inorganic materials 0.000 claims description 28
- 239000010959 steel Substances 0.000 claims description 28
- 239000004575 stone Substances 0.000 claims description 25
- 210000003491 Skin Anatomy 0.000 claims description 12
- 239000004570 mortar (masonry) Substances 0.000 claims description 9
- 230000002787 reinforcement Effects 0.000 claims description 9
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 6
- 238000004873 anchoring Methods 0.000 claims description 6
- 239000004568 cements Substances 0.000 claims description 6
- 239000011496 polyurethane foam Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 238000002513 implantation Methods 0.000 claims description 5
- 238000009414 blockwork Methods 0.000 claims description 4
- 280000398338 Seismic companies 0.000 claims description 3
- 230000001070 adhesive Effects 0.000 claims description 3
- 239000000853 adhesives Substances 0.000 claims description 3
- 230000000875 corresponding Effects 0.000 claims description 3
- 238000006073 displacement reactions Methods 0.000 claims description 3
- 239000004744 fabrics Substances 0.000 claims description 3
- 231100001004 fissures Toxicity 0.000 claims description 3
- 238000007667 floating Methods 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 239000007943 implant Substances 0.000 claims description 3
- 239000010410 layers Substances 0.000 claims description 3
- 239000000463 materials Substances 0.000 claims description 3
- 239000006072 pastes Substances 0.000 claims description 3
- 229920000642 polymers Polymers 0.000 claims description 3
- 239000011150 reinforced concrete Substances 0.000 claims description 3
- 239000007787 solids Substances 0.000 claims description 3
- 238000007711 solidification Methods 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 238000005516 engineering processes Methods 0.000 description 4
- 231100000494 adverse effects Toxicity 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000919 ceramics Substances 0.000 description 1
- 238000005755 formation reactions Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000011148 porous materials Substances 0.000 description 1
- 239000007921 sprays Substances 0.000 description 1
Abstract
Description
Technical field
The present invention relates to building field, particularly relate to masonry filler wall and agent structure connected mode.
Background technology
At present, along with the connection General Requirements of the infilled wall in the past of ceramic tile technology and frame column, load bearing wall establishes steel tie along post or wall, infilled wall and frame column, load bearing wall are combined closely, and are the way that is rigidly connected.In Wenchuan County in Sichuan earthquake this class formation infilled wall destroy, collapse more, for drawing earthquake calamity lesson, to flexibly connect and be applied between infilled wall and agent structure as Novel connection connection technology, ensure that filled wall when geological process not out-of-plane destroy outward, and unlikely adverse effect is caused to agent structure.
Summary of the invention
The object of the invention is: provide a kind of masonry filler wall and main body to flexibly connect the construction method of earthquake resistant structure, being rigidly connected to change into and filling flexibly connecting of extruded polystyrene board of tension rib will be added between traditional infilled wall and frame column, load bearing wall, ensure that filled wall when geological process not out-of-plane destroy outward, and unlikely adverse effect is caused to agent structure.
To achieve these goals, technical scheme of the present invention is to provide a kind of masonry filler wall and main body flexibly connects earthquake resistant structure, comprise vertical stem stem or constructional column, horizontal direction lintel or horizontal binder, masonry and with agent structure flexibly connect extruded polystyrene board, stem stem or constructional column reinforcing bar adopt bar planting mode to be connected with upper and lower floor, door opening upper level to lintel or horizontal binder reinforcing bar anchors in the stem stem of both sides or adopt bar planting mode to be connected with agent structure, adopt U-shaped building block as beam forms at lintel or horizontal binder place, the good beam muscle of colligation is placed in U-shaped building block, build concrete more shaping, masonry filler wall both sides, the gap of top and agent structure arranges extruded polystyrene board as flexibly connecting.
This masonry filler wall and main body flexibly connect the construction method of earthquake resistant structure, comprise following construction sequence:
Step 1: body of wall unwrapping wire, before masonry is built by laying bricks or stones, presses absolute altitude by floor structure face levelling, releases the axis of a skin building block, masonry sideline and hole line according to working drawing;
Step 2: building block arranges, piecemeal scale, line within the scope of body of wall line;
Step 3: bar planting, corresponding stem stem position is set according to infilled wall length, carries out steel planting by concrete stem stem reinforcement location, bore diameter and the degree of depth different according to the difference of adopted anchoring adhesive, scene verify qualified after carry out injecting glue bar planting, keep after bar planting 24h solidify start again to build by laying bricks or stones;
Step 4: put down the end, after bottom concrete block masonry is good by the building block piecemeal scale line that bullet is good, build toward building block hollow position and fills with real C20 concrete, puts down the end as bottom row brick;
Step 5: build by laying bricks or stones, adopt " to hole, the fissure of displacement " masonry method, by the hole of one deck under the aligned of last layer building block when namely building by laying bricks or stones, perpends staggers mutually, does not stay straight joint;
Step 6: construction stem stem, when wall length is more than 5m, wall stage casing arranges stem stem, and the distance between stem stem and stem stem answers≤2.4m; Stem stem is established in door and window hole both sides; Stem stem is established at corner, J-shaped wall, cross wall handing-over position; When infilled wall length is less than 2.5m, bar connecting in door opening limit stem stem reinforcing bar and door upper level binder, stops to binder, no longer upwards extends; Wall is grown up when 2.5m, and door opening limit stem stem reinforcing bar extends at the bottom of beam or at the bottom of plate; Wall is long more than 5.0m, the high infilled wall more than 4.2m of wall, and the middle part long at wall arranges cast-in-situ reinforced concrete post by spacing 5.0m, and column cross-section size is 240mm × 200mm, and arrangement of reinforcement is 4 grade III steels 12, and stirrup is grade III steel 8 spacing is 250, builds C20 concrete;
Step 7: horizontal binder, wall higher primary school, should at the high middle part of wall when 4.2m, when having a door opening on door opening, arranges horizontal binder together; Wall high between 4.2m ~ 5.0m time, set up the 2 horizontal binders in road, spacing≤1.6m; During wall height > 5.0m, arrange the horizontal binder of multiple tracks, first is located on door opening, and all the other horizontal binders are arranged apart from being not more than 1.6m in vertical, horizontal binder and two ends shear wall or post anchoring, the horizontal binder of the wide body of wall of 200mm does template inside with U-shaped brick is double to build concrete shaping; When door opening width is not more than 1.5m, lintel bottom flitch carries out support, and U-shaped brick template of holding concurrently is built by laying bricks or stones, and inside join 3 grade III steels 10, stirrup is grade III steel 8 spacing is 200mm; When door opening width is greater than 1.5m, it is cast-in-place shaping that lintel installs template, and lintel is of a size of 200mm × 200mm, and inside join 4 Φ 12 grade III steels, stirrup is grade III steel 8 200, crosses beam steel and extend through each 300mm in both sides, hole;
Step 8: when building position to beam, plate, at least interval 7d, can carry out top and build by laying bricks or stones;
Step 9: top way; According to 8 degree of seismic fortification intensity requirements, as the long > 5.0m of wall, wall top is except building tightly with Vierendeel girder, plate, anchor point should be added, bar planting mode is adopted to implant in beam, plate by grade III steel 10 reinforcing bar, implantation depth is 120mm, protruded length is 150mm, and spacing is not more than 1.0m, and it is closely knit to fill with C20 concrete, according to stem stem spacing, 2 road anchor points are set between two stem stems, as wall length≤5.0m, anchor point are not set, after the thick extruded polystyrene board of filling 20mm, by closely knit for the filling of remaining space;
Step 10: filleting, extruded polystyrene board width is filled at infilled wall both sides and top should 20mm fewer than the every limit of building block width, after having built 7 days by laying bricks or stones, gap process can be carried out, first with polyurethane foams, gap is full of, wiped off by redundance with scraper, outermost is twisted with the fingers real again with sealing cement, between unlike material body of wall, finally paste the wide alkaline-resisting grid cloth polymer mortar of 200mm floating.
Wherein different according to described remaining space, implement different way, go up most a skin building block apart from beam or plate less than 30mm time, twist with the fingers with dry masonry mortar and put down; Go up most the space of a skin building block apart from beam or plate between 30mm ~ 50mm time, fill with real with C20 concrete; The space of going up a skin building block distance beam or plate is most when about 100mm, and build with solid brick is flat, mortar is twisted with the fingers real.
From calculating apart from the 20mm of wall column limit, both sides during row's brick, after reaching solidification intensity in stem stem bottom reinforcement bars implantation floor, then building block is built closely knit with C20 fine-stone concrete.
Fill extruded polystyrene board in the wide space of 20mm between blockwork and agent structure, polyphenyl plate width should 20mm fewer than the every limit of blockwork width, to ensure the space of spraying polyurethane foams and sealing cement outside polyphenyl plate.
Beneficial effect of the present invention:
Being rigidly connected to change into and filling flexibly connecting of extruded polystyrene board of tension rib will be added between traditional infilled wall and frame column, load bearing wall, detailed construction method and step are provided, be convenient to the construction effect ensureing to flexibly connect, ensure that filled wall when geological process not out-of-plane destroy outward, and unlikely adverse effect is caused to agent structure.
Accompanying drawing explanation
Fig. 1: build partition wall elevational schematic view by laying bricks or stones;
In figure: 1, stem stem; 2, horizontal binder; 3, arrange brick and put down the end; 4, bar planting; 5, extruded polystyrene board; 6, build by laying bricks or stones; 7, auxiliary block of concrete.
Detailed description of the invention
Masonry filler wall of the present invention except constructional column, stem stem, horizontal binder, lintel adopt bar planting mode to be connected with agent structure except, other positions all adopt extruded polystyrene board to spray polyurethane foams to be outward connected with agent structure with the flexible connection mode that sealing cement is closed again.Namely " connection of upper and lower, left and right point " is adopted, infilled wall up and down and beam, add constructional column or stem stem between plate, with horizontal binder or lintel point drawknot between infilled wall both sides and wall column, the space extruded polystyrene board of infilled wall and agent structure is filled, the destruction to wall column, beam slab during to alleviate earthquake.Body of wall inside arranges stem stem and horizontal binder, ensures stablizing outside body of wall out-of-plane.Door and window hole arranges stem stem and horizontal binder, ensures that body of wall has good globality, and body of wall unlikely disintegration when reaching destruction is collapsed.
Specifically as shown in Figure 1: a kind of masonry filler wall and main body flexibly connect earthquake resistant structure, comprise vertical stem stem or constructional column, horizontal direction lintel or horizontal binder, masonry and with agent structure flexibly connect extruded polystyrene board, stem stem or constructional column reinforcing bar adopt bar planting mode to be connected with upper and lower floor, door opening upper level to lintel or horizontal binder reinforcing bar anchors in the stem stem of both sides or adopt bar planting mode to be connected with agent structure, adopt U-shaped building block as beam forms at lintel or horizontal binder place, the good beam muscle of colligation is placed in U-shaped building block, build concrete more shaping, masonry filler wall both sides, the gap of top and agent structure arranges extruded polystyrene board as flexibly connecting.
Above-mentioned masonry filler wall and agent structure flexibly connect technology, and construction sequence is as follows:
Step 1: body of wall unwrapping wire.Before masonry is built by laying bricks or stones, absolute altitude is pressed in floor structure face levelling, release the axis of a skin building block, masonry sideline and hole line according to working drawing.
Step 2: building block arranges.Piecemeal scale, line within the scope of body of wall line, adopt the building block of master ga(u)ge lattice as far as possible.
Step 3: bar planting.Corresponding stem stem position is set according to infilled wall length, carries out steel planting by concrete stem stem reinforcement location.Bore diameter and the degree of depth different according to the difference of adopted anchoring adhesive.Through supervising engineer scene verify qualified after carry out injecting glue bar planting, keep after bar planting 24h solidify start again to build by laying bricks or stones.
Step 4: put down the end.After bottom concrete block masonry is good by the building block piecemeal scale line that bullet is good, build toward building block hollow position and fill with real C20 concrete, put down the end as bottom row brick.
Step 5: build by laying bricks or stones.Adopt " to hole, the fissure of displacement " masonry method.By the hole of one deck under the aligned of last layer building block when namely building by laying bricks or stones, perpends staggers mutually, does not stay straight joint.
Step 6: stem stem.When wall length is more than 5m, wall stage casing arranges stem stem, and the distance between stem stem and stem stem answers≤2.4m; Stem stem is established in door and window hole both sides; Stem stem is established at corner, J-shaped wall, cross wall handing-over position; As infilled wall length be less than 2.5m time, bar connecting in door opening limit stem stem reinforcing bar and door upper level binder, stops to binder, no longer upwards extends; Wall is grown up when 2.5m, and door opening limit stem stem reinforcing bar extends at the bottom of beam or at the bottom of plate; Wall is long more than 5.0m, the high infilled wall more than 4.2m of wall, and the middle part long at wall arranges cast-in-situ reinforced concrete post by spacing 5.0m, and column cross-section size is 240mm × 200mm, and arrangement of reinforcement is 4 grade III steels 12, and stirrup is grade III steel 8 spacing is 250, builds C20 concrete.The thick wall of stem stem arrangement of reinforcement: 200mm, 2 12 to be placed in a core pole hole and to fill with real C20 concrete.
Step 7: horizontal binder.Wall higher primary school, when 4.2m, should arrange horizontal binder together the high middle part of wall when door opening (have on door opening); Wall high between 4.2m ~ 5.0m time, set up the 2 horizontal binders in road, spacing≤1.6m; During wall height > 5.0m, should arrange the horizontal binder of multiple tracks, first is located on door opening, and all the other horizontal binders are arranged apart from being not more than 1.6m in vertical.Horizontal binder and two ends shear wall or post anchoring.The horizontal binder of the wide body of wall of 200mm can do template inside to build concrete shaping with U-shaped brick is double; When door opening width is not more than 1.5m, lintel bottom flitch carries out support, and U-shaped brick template of holding concurrently is built by laying bricks or stones, and inside join 3 grade III steels 10, stirrup is grade III steel 8 spacing is 200mm; When door opening width is greater than 1.5m, it is cast-in-place shaping that lintel installs template, and lintel is of a size of 200mm × 200mm, inside joins 4 Φ 12(grade III steels), stirrup is grade III steel 8@200.Cross beam steel and extend through each 300mm in both sides, hole.
Step 8: when building position to beam, plate, at least after the 7d of interval, can carry out top and build by laying bricks or stones.
Step 9: top way.According to 8 degree of seismic fortification intensity requirements, as the long > 5.0m of wall, wall top, except building tightly with Vierendeel girder, plate, should add anchor point, adopts bar planting mode to implant in beam, plate by grade III steel 10 reinforcing bar, implantation depth is 120mm, protruded length is 150mm, and spacing is not more than 1.0m, and it is closely knit to fill with C20 concrete, according to stem stem spacing, 2 road anchor points are set between two stem stems.As wall length≤5.0m, anchor point is not set, after the thick extruded polystyrene board of filling 20mm, takes different modes to clog according to remaining pore size closely knit.
1) a skin building block is gone up most flat less than twisting with the fingers with dry masonry mortar during 30mm apart from beam (plate);
2) go up most the space of a skin building block apart from beam (plate) between 30mm ~ 50mm time, fill with real with C20 concrete;
3) go up the space of a skin building block apart from beam (plate) most when about 100mm, build with solid brick is flat, mortar is twisted with the fingers real.
Step 10: filleting.Extruded polystyrene board width is filled at infilled wall both sides and top should 20mm fewer than the every limit of building block width, after having built 7 days by laying bricks or stones, can carry out gap process.First be full of in gap with polyurethane foams, wiped off by redundance with scraper, outermost is twisted with the fingers real again with sealing cement.Finally between unlike material body of wall, paste the wide alkaline-resisting grid cloth polymer mortar of 200mm floating.
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US20090260312A1 (en) * | 2006-05-24 | 2009-10-22 | Yan Sup Lee | Fix Holder, Steel Wire, Bricks, and Bricks Walls Reinforcement Method Thereby |
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CN201924486U (en) * | 2010-12-30 | 2011-08-10 | 苏州市建筑设计研究院有限责任公司 | Semi-flexible connection device for frame 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 |
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