CN103556755A - Single-line reinforcement thermal insulation bearing shear wall with L-shaped hidden posts at end parts and manufacturing method of shear wall - Google Patents

Single-line reinforcement thermal insulation bearing shear wall with L-shaped hidden posts at end parts and manufacturing method of shear wall Download PDF

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Publication number
CN103556755A
CN103556755A CN201310544928.1A CN201310544928A CN103556755A CN 103556755 A CN103556755 A CN 103556755A CN 201310544928 A CN201310544928 A CN 201310544928A CN 103556755 A CN103556755 A CN 103556755A
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China
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sleeper
mould
reinforcement
insulation
concrete
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曹万林
程娟
张勇波
周中一
董宏英
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Beijing University of Technology
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Beijing University of Technology
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Abstract

A single-line reinforcement thermal insulation bearing shear wall with L-shaped hidden posts at the end parts is an energy-saving wall body formed by thermal insulation building molds and concrete single-line reinforcement wall bodies and belongs to the technical field of earthquake-proofing of building structures. The shear wall comprises the thermal insulation building molds (1), the hidden posts (2), grid-structural reinforcing meshes (3), vertical wall body distributing steel bars (4), horizontal wall body distributing steel bars (5), concrete (6) and fiber anti-cracking mortar surface layers (7). The whole earthquake-proofing performance of the wall body is improved by the effective connecting among the hidden posts, the grid-structural reinforcing meshes, the horizontal wall body distributing steel bars and the vertical wall body distributing steel bars; the thermal insulation building molds are arranged at the inner and outer surfaces of the wall body, and the thermal insulation building molds adopt the insertion-seam splicing mode, so a house has a good heat preservation thermal insulation performance. The wall body adopts the thermal insulation building molds as templates, so labor and materials of the templates are saved, and the construction period is shortened; holes are formed by ribs of the thermal insulation building molds when the wall body is poured, the wall body actually adopts the shear wall with the holes, and all the holes become the single energy consumption units of the wall body, so the ductility and the energy consumption capability of the wall body are enhanced.

Description

The L shaped sleeper single-row reinforcement of end band heat-preserving load-bearing shear wall and the practice
Technical field
The present invention relates to a kind of L shaped sleeper single-row reinforcement of end band heat-preserving load-bearing shear wall and practice for villages and small towns multistory building, is a kind of energy-saving wall being comprised of insulation block mould and concrete single-row reinforced wall, belongs to building structure aseismatic technical field.
Background technology
China is located in two and enlivens greatly earthquake zone, belongs to earthquake-prone region.6 degree~9 degree earthquake zonies, continent account for 80% of area according to statistics.From Tangshan Earthquake so far, 5.0 grades of above earthquakes of China mainland, the overwhelming majority occurs in vast rural area and rural area.Rustic home is conventionally according to house-owner's economic situation, build according to local traditional habit, and the brick of mainly take mixes as main.Be characterized in simple in structure, cheap, be easy to draw materials nearby, shock resistance is poor.When suffering equal earthquake intensity, farm building collapse degree and population Casualty Vulnerability Number are far above city, and disaster-stricken situation is serious.
Tradition multi-storey building Hollow Block Masonry Structure Anti-seismic ability is poor.Shear-wall of High-rise House is to the restriction of thickness of wall body and arrangement of reinforcement thereof structure, directly applies mechanically to have that cost is higher, body of wall is thicker in multilayer shear wall structure, is difficult to the problem of promoting.In multilayer shear wall structure, research and develop a kind of simplification arrangement of reinforcement, be easy to construction, with permanent insulation, build mould and replace conventional template, there is good anti-seismic performance, the integrated Housing Structure System of earthquake-proof energy-saving has become engineering to need badly.It is the insulation of standardized production to be built to the grafting of the mould fissure of displacement be combined into shear wall formwork that mould shear wall structure is built in insulation, and reinforcing bar after-pouring concrete is set in inside, goes into the concrete composite wall body of inside and outside insulation.Thereby reach masterplate and heat insulation integrated, building energy conservation and structure-integrated.
By the broken processing and manufacturing regeneration aggregate of discarded concrete, with regeneration aggregate, replace part or all of natural aggregate configuration regeneration concrete.Can solve the difficult treatment of urban waste, stack occupation of land problem arbitrarily, reduce the pollution to urban environment.Can solve again natural aggregate shortage of resources problem, the ecological environment in the protection aggregate place of production.Realize self circulating and utilize efficiently of concrete material, realized to greatest extent the utilization to natural resource.
The L shaped sleeper single-row reinforcement of end band heat-preserving load-bearing shear wall, by placing special-shaped sleeper in body of wall end, has increased body of wall lateral resistant ability, has improved the anti-seismic performance of body of wall, overcomes that frame construction is indoor goes out the stupefied drawback of post, and facade is beautiful and applicable.Have stronger than masonry residence structural seismic capacity, the integrated feature of earthquake-proof energy-saving.Therefore, research economical rationality, the L shaped sleeper single-row reinforcement of the receptible end of masses band heat-preserving load-bearing shear wall, solve the problems such as villages and small towns multistoried building cost is high, globality is poor, shock resistance is poor, thermal and insulating performance is bad, there is important economic worth and social effect.
Summary of the invention
The object of the invention is to provide a kind of L shaped sleeper single-row reinforcement of end band heat-preserving load-bearing shear wall for villages and small towns multistory building with advantages such as simple structure, cheap, easy construction, shock-proof heat insulation performance are good, effectively solves the problems such as villages and small towns multistory building cost is high, globality is poor, shock resistance is poor, heat-insulating property is bad.
The technical solution used in the present invention is as follows:
The L shaped sleeper single-row reinforcement of end of the present invention band heat-preserving load-bearing shear wall, is mainly combined by insulation block mould 1, sleeper 2, lattice type steel bar net 3, the vertical distribution reinforcement 4 of body of wall, body of wall horizontal distribution reinforcing bar 5, concrete 6, fibre crack-resistance mortar surface layer 7; It is characterized in that: body of wall end is provided with the special-shaped sleeper body of steel bar girder, and middle part is single-row reinforcement body of wall; The special-shaped sleeper body of end is L shaped sleeper body, and it comprises three sleeper 2 and two lattice type steel bar nets 3, and described sleeper 2 is positioned at L shaped end and the centre of sleeper body, and lattice type steel bar net 3 is between middle sleeper and end sleeper; Sleeper 2 adopts four longitudinal reinforcements and rectangle hoop; Lattice type steel bar net 3 is that steel bar welding is connected to adjacent sleeper rectangle hoop side middle, forms lattice shape steel mesh reinforcement; Body of wall horizontal distribution reinforcing bar 5 is positioned over insulation and builds on the rib and sleeper 2 stirrups of mould 1; The vertical distribution reinforcement 4 of body of wall and the vertical placement of body of wall horizontal distribution reinforcing bar 5, be placed in insulation and build mould 1 cavity middle part formation single-row reinforcement net wall; Correct and adjust the vertical distribution reinforcement 4 of body of wall and sleeper 2 vertical muscle positions, fill concrete 6 in mould 1 cavity is built in insulation; Insulation is built the surfaces externally and internally of mould 1 and is all smeared fibre crack-resistance mortar surface layer 7.
Further, it is the heat preservation module that EPS heat insulating material or glass bead or polyphenyl plate are made that mould 1 is built in described insulation, two warming plates and connection rib, consists of, and each module meets the industrial construction modulus 1M=100mm that construction module 3M(3M refers to); EPS insulation is built mould and is referred to that expandable polystyrene bead is after foamable, by the demand of energy conservation standard, architectural construction, structural system and construction technology, polystyrol plastic foam plate material or the member with hole-closing structure, variety classes, different size, different face shapings that expandable polystyrene bead hot briquetting are made by special equipment and mould; Conventional wall thermal insulating is built mould has straight plate wall thermal insulating to build mould, right angle wall thermal insulating block mould, comprise large L shaped and little L shaped, T shape wall thermal insulating block mould, comprise large T shape and little T shape, cross wall thermal insulating block mould, comprise grand cross shape and crosslet and door and window mouth end socket module, size insulation is built mould and is differed modulus 300mm; Mould is built in insulation has a locator card at interval of 150mm, and locator card position is corresponding with the rib being crisscross arranged up and down; Rib upper surface has the Yi Zhi tri-semicircle reinforcing bar stopper slots in roads to be used for position level reinforcing bar; Insulation is built mould and is adopted rectangle grafting tongue and groove to carry out the grafting of the building block system fissure of displacement, and job site is without secondary operations, and surfaces externally and internally is uniformly distributed dovetail groove and concrete and thick plaster skin coat mechanical snap.
Further, the vertical distribution reinforcement 4 of described body of wall adopts HRB335 level or HRB400 level; When antidetonation earthquake intensity is not more than 7 while spending, vertical reinforcement diameter is 8mm or 10mm, spacing 300mm; When antidetonation earthquake intensity is not more than 8 while spending, vertical reinforcement diameter is 12mm or 14mm, spacing 300mm; Vertical distribution reinforcement is basis and the interior anchoring of upper floor deeply.
Further, described body of wall horizontal distribution reinforcing bar 5 adopts HRB335 level or HRB400 level; When antidetonation earthquake intensity is not more than 7 while spending, horizontal reinforcement diameter is 6mm or 8mm, spacing 300mm; When antidetonation earthquake intensity is not more than 8 while spending, horizontal reinforcement diameter is 12mm or 14mm, spacing 300mm; Body of wall horizontal reinforcement is in the bending of shear wall L bight, and it is thickness of concrete cover that mould inner surface distance is built apart from insulation in inflection point, and after bending, extension length is 10 times of bar diameters.
Further, described sleeper 2 longitudinal reinforcements adopt HRB335 level or HRB400 grade reinforcing steel, and diameter is 12mm or 14mm; Stirrup diameter is 8mm or 10mm, stirrup spacing 150mm; Vertical distribution reinforcement is basis and the interior anchoring of upper floor deeply.
Further, described lattice type steel bar net 3 adopts HRB335 grade reinforcing steel, and bar diameter is 8mm or 10mm; Longitudinal pitch equals sleeper stirrup spacing 150mm.
Further, described concrete 6 is ordinary concrete or regeneration concrete; Regeneration concrete refers to the discarded broken classification of concrete block process, mixes in proportion with grating, partly or entirely replaces comprising the natural aggregate of sandstone, then adds cement, water to join the as placed concrete forming; Regeneration concrete can be full regeneration concrete or half regeneration concrete.
The preparation method of the single-row reinforcement shear wall of the described L shaped sleeper band of end band lattice truss, is characterized in that production order is as follows:
A inserts in sleeper 2 longitudinal reinforcements, the vertical distribution reinforcement 4 of body of wall in grade beam by size, builds grade beam concrete;
B copies measuring line by grade beam upper surface by house planar dimension, presses line by the position correction of embedded bar; Levelling grade beam upper surface, builds mould thickness of wall body by insulation and ejects double solid line, presses line 30mm * 40mm flitch interruption ground nail is formed to draw-in groove at the upper surface of grade beam;
C builds mould 1 by large dihedral wall thermal insulating and is inserted in the vertical muscle of sleeper, the vertical distribution reinforcement of body of wall, inserts in the draw-in groove on grade beam or on flooring, more straight plate wall thermal insulating is installed and is built mould.Colligation sleeper 2 stirrups, insert insulation by body of wall horizontal distribution 5 reinforcing bars and build on mould rib and sleeper 2 stirrups, are connected with vertical reinforcement;
E is welded to lattice type steel bar on sleeper stirrup, forms lattice type steel bar net 3;
F by the rectify perpendicular of cavity module body of wall and supporting buttress, prevents its mould that rises with bearing diagonal; By wooden or metallic channel box protection for the tongue and groove on module top, and then build coagulation 6 soil to this module At The Height;
G in order c~f is just incubated and builds mould 1 fissure of displacement and peg graft and be incorporated into design floor height, and door and window hole place adopts the sealing of door and window mouth end socket module;
H insulation is built the surfaces externally and internally of mould 1 and is all smeared 20mm~30mm thick fiber anticracking grout layer 7.
The L shaped sleeper single-row reinforcement of this product end band heat-preserving load-bearing shear wall, adopts single-row reinforcement, saves amount of reinforcement, and constructability, is applicable to villages and small towns multistory building.Body of wall bight is good by sleeper and lattice type steel bar net combination shear behavior, shares vertical load, improves the lateral resistant ability of body of wall, has effectively strengthened the anti-seismic performance of body of wall.Sleeper and shear wall uniform thickness, save building area, avoids occurring that the stupefied impact of post is attractive in appearance.By effective connection of sleeper, lattice type steel bar net, body of wall horizontal distribution reinforcing bar, the vertical distribution reinforcement of body of wall, improved the whole anti-seismic performance of body of wall.Body of wall surfaces externally and internally all has insulation to build mould, and insulation is built mould and adopted interpolation slit splicing form, and house insulation heat-insulating capability is good.Body of wall adopts insulation block mould to serve as template, reduces the artificial and material of template, and construction period limit is short.The rib that mould is built in insulation forms hole when body of wall is built, the actual employing band of body of wall hole shear wall, and each hole becomes the power consumption unit of body of wall, strengthens wall ductility and energy dissipation capacity.
Accompanying drawing explanation:
Fig. 1 is the L shaped sleeper single-row reinforcement of end band heat-preserving load-bearing shear wall bight sectional reinforcement figure;
Fig. 2 is that body of wall corner insulation is built mould spliced map;
Fig. 3 is sleeper constructional drawing;
Fig. 4 is the L shaped sleeper single-row reinforcement of end band heat-preserving load-bearing shear wall bight cage of reinforcement stereogram;
Fig. 5 is the L shaped sleeper single-row reinforcement of end band heat-preserving load-bearing shear wall corner splicing stereogram;
Fig. 6 is the L shaped sleeper single-row reinforcement of end band heat-preserving load-bearing shear wall splicing stereogram;
In figure:
Mould is built in 1-insulation; 2-sleeper; 3-lattice type steel bar net; The vertical distribution reinforcement of 4-body of wall;
5-body of wall horizontal distribution reinforcing bar; 6-concrete; 7-fibre crack-resistance mortar surface layer.
The specific embodiment:
Below in conjunction with the drawings and specific embodiments, for the present invention, be described further:
The L shaped sleeper single-row reinforcement of end band heat-preserving load-bearing shear wall as shown in Figures 1 to 5, is mainly combined by insulation block mould 1, sleeper 2, lattice type steel bar net 3, the vertical distribution reinforcement 4 of body of wall, body of wall horizontal distribution reinforcing bar 5, concrete 6, fibre crack-resistance mortar surface layer 7; It is characterized in that: body of wall end is provided with the special-shaped sleeper body of steel bar girder, and middle part is single-row reinforcement body of wall; The special-shaped sleeper body of end is L shaped sleeper body, and it comprises three sleeper 2 and two lattice type steel bar nets 3, and described sleeper 2 is positioned at L shaped end and the centre of sleeper body, and lattice type steel bar net 3 is between middle sleeper and end sleeper; Sleeper 2 adopts four longitudinal reinforcements and rectangle hoop; Lattice type steel bar net 3 is that steel bar welding is connected to adjacent sleeper rectangle hoop side middle, forms lattice shape steel mesh reinforcement; Body of wall horizontal distribution reinforcing bar 5 is positioned over insulation and builds on the rib and sleeper 2 stirrups of mould 1; The vertical distribution reinforcement 4 of body of wall and the vertical placement of body of wall horizontal distribution reinforcing bar 5, be placed in insulation and build mould 1 cavity middle part formation single-row reinforcement net wall; Correct and adjust the vertical distribution reinforcement 4 of body of wall and sleeper 2 vertical muscle positions, fill concrete 6 in mould 1 cavity is built in insulation; Insulation is built the surfaces externally and internally of mould 1 and is all smeared fibre crack-resistance mortar surface layer 7.
Further, it is the heat preservation module that EPS heat insulating material or glass bead or polyphenyl plate are made that mould 1 is built in described insulation, two warming plates and connection rib, consists of, and each module meets construction module 3M; EPS insulation is built mould and is referred to that expandable polystyrene bead is after foamable, by the demand of energy conservation standard, architectural construction, structural system and construction technology, polystyrol plastic foam plate material or the member with hole-closing structure, variety classes, different size, different face shapings that expandable polystyrene bead hot briquetting are made by special equipment and mould; Conventional wall thermal insulating is built mould has straight plate wall thermal insulating to build mould, right angle wall thermal insulating block mould, comprise large L shaped and little L shaped, T shape wall thermal insulating block mould, comprise large T shape and little T shape, cross wall thermal insulating block mould, comprise grand cross shape and crosslet and door and window mouth end socket module, size insulation is built mould and is differed modulus 300mm; Insulation block mould is at interval of 150mm a locator card, and locator card position is corresponding with the rib being crisscross arranged up and down; Rib upper surface has the Yi Zhi tri-semicircle reinforcing bar stopper slots in roads to be used for position level reinforcing bar; Insulation is built mould and is adopted rectangle grafting tongue and groove to carry out the grafting of the building block system fissure of displacement, and job site is without secondary operations, and surfaces externally and internally is uniformly distributed dovetail groove and concrete and thick plaster skin coat mechanical snap.
Further, the vertical distribution reinforcement 4 of described body of wall adopts HRB335 level or HRB400 level; When antidetonation earthquake intensity is not more than 7 while spending, vertical reinforcement diameter is 8mm or 10mm, spacing 300mm; When antidetonation earthquake intensity is not more than 8 while spending, vertical reinforcement diameter is 12mm or 14mm, spacing 300mm; Vertical distribution reinforcement is basis and the interior anchoring of upper floor deeply.
Further, described body of wall horizontal distribution reinforcing bar 5 adopts HRB335 level or HRB400 level; When antidetonation earthquake intensity is not more than 7 while spending, horizontal reinforcement diameter is 6mm or 8mm, spacing 300mm; When antidetonation earthquake intensity is not more than 8 while spending, horizontal reinforcement diameter is 12mm or 14mm, spacing 300mm; Body of wall horizontal reinforcement is in the bending of shear wall L bight, and it is thickness of concrete cover that mould inner surface distance is built apart from insulation in inflection point, and after bending, extension length is 10 times of bar diameters.
Further, described sleeper 2 longitudinal reinforcements adopt HRB335 level or HRB400 grade reinforcing steel, and diameter is 12mm or 14mm; Stirrup diameter is 8mm or 10mm, stirrup spacing 150mm; Vertical distribution reinforcement is basis and the interior anchoring of upper floor deeply.
Further, described lattice type steel bar net 3 adopts HRB335 grade reinforcing steel, and bar diameter is 8mm or 10mm; Longitudinal pitch equals sleeper stirrup spacing 150mm.
Further, described concrete 6 is ordinary concrete or regeneration concrete; Regeneration concrete refers to the discarded broken classification of concrete block process, mixes in proportion with grating, partly or entirely replaces comprising the natural aggregate of sandstone, then adds cement, water to join the as placed concrete forming; Regeneration concrete can be full regeneration concrete or half regeneration concrete.
The preparation method of the single-row reinforcement shear wall of the described L shaped sleeper band of end band lattice truss, its production order is as follows:
A inserts in sleeper 2 longitudinal reinforcements, the vertical distribution reinforcement 4 of body of wall in grade beam by size, builds grade beam concrete;
B copies measuring line by grade beam upper surface by house planar dimension, presses line by the position correction of embedded bar; Levelling grade beam upper surface, builds mould thickness of wall body by insulation and ejects double solid line, presses line 30mm * 40mm flitch interruption ground nail is formed to draw-in groove at the upper surface of grade beam;
C builds mould 1 by large dihedral wall thermal insulating and is inserted in the vertical muscle of sleeper, the vertical distribution reinforcement of body of wall, inserts in the draw-in groove on grade beam or on flooring, more straight plate wall thermal insulating is installed and is built mould.Colligation sleeper 2 stirrups, insert insulation by body of wall horizontal distribution 5 reinforcing bars and build on mould rib and sleeper 2 stirrups, are connected with vertical reinforcement;
E is welded to lattice type steel bar on sleeper stirrup, forms lattice type steel bar net 3;
F by the rectify perpendicular of cavity module body of wall and supporting buttress, prevents its mould that rises with bearing diagonal; By wooden or metallic channel box protection for the tongue and groove on module top, and then build coagulation 6 soil to this module At The Height;
G in order c~f is just incubated and builds mould 1 fissure of displacement and peg graft and be incorporated into design floor height, and door and window hole place adopts the sealing of door and window mouth end socket module;
H insulation is built the surfaces externally and internally of mould 1 and is all smeared 20mm~30mm thick fiber anticracking grout layer 7.
Be more than an exemplary embodiments of the present invention, enforcement of the present invention is not limited to this.

Claims (8)

1. the L shaped sleeper single-row reinforcement of end band heat-preserving load-bearing shear wall, is mainly combined by insulation block mould (1), sleeper (2), lattice type steel bar net (3), the vertical distribution reinforcement of body of wall (4), body of wall horizontal distribution reinforcing bar (5), concrete (6), fibre crack-resistance mortar surface layer (7); It is characterized in that: body of wall end is provided with the special-shaped sleeper body of steel bar girder, and middle part is single-row reinforcement body of wall; The special-shaped sleeper body of end is L shaped sleeper body, and it comprises three sleeper (2) and two lattice type steel bar nets (3), and described sleeper (2) is positioned at L shaped end and the centre of sleeper body, and lattice type steel bar net (3) is between middle sleeper and end sleeper; Sleeper (2) adopts four longitudinal reinforcements and rectangle hoop; Lattice type steel bar net (3) is that steel bar welding is connected to adjacent sleeper rectangle hoop side middle, forms lattice shape steel mesh reinforcement; Body of wall horizontal distribution reinforcing bar (5) is positioned over insulation and builds on the rib and sleeper (2) stirrup of mould (1); The vertical distribution reinforcement of body of wall (4) and the vertical placement of body of wall horizontal distribution reinforcing bar (5), be placed in insulation and build mould (1) cavity middle part formation single-row reinforcement net wall; Correct and adjust the vertical distribution reinforcement of body of wall (4) and the vertical muscle of sleeper (2) position, fill concrete (6) in mould (1) cavity is built in insulation; Insulation is built the surfaces externally and internally of mould (1) and is all smeared fibre crack-resistance mortar surface layer (7).
2. the L shaped sleeper single-row reinforcement of end band heat-preserving load-bearing shear wall according to claim 1, it is characterized in that: it is the heat preservation module that EPS heat insulating material or glass bead or polyphenyl plate are made that mould (1) is built in insulation, two warming plates and connection rib, consist of, each module meets construction module 3M; EPS insulation is built mould and is referred to that expandable polystyrene bead is after foamable, by the demand of energy conservation standard, architectural construction, structural system and construction technology, polystyrol plastic foam plate material or the member with hole-closing structure, variety classes, different size, different face shapings that expandable polystyrene bead hot briquetting are made by special equipment and mould; Conventional wall thermal insulating is built mould has straight plate wall thermal insulating to build mould, right angle wall thermal insulating block mould, comprise large L shaped and little L shaped, T shape wall thermal insulating block mould, comprise large T shape and little T shape, cross wall thermal insulating block mould, comprise grand cross shape and crosslet and door and window mouth end socket module, size insulation is built mould and is differed modulus 300mm; Mould is built in insulation has a locator card at interval of 150mm, and locator card position is corresponding with the rib being crisscross arranged up and down; Rib upper surface has the Yi Zhi tri-semicircle reinforcing bar stopper slots in roads to be used for position level reinforcing bar; Insulation is built mould and is adopted rectangle grafting tongue and groove to carry out the grafting of the building block system fissure of displacement, and job site is without secondary operations, and surfaces externally and internally is uniformly distributed dovetail groove and concrete and thick plaster skin coat mechanical snap.
3. the L shaped sleeper single-row reinforcement of end band heat-preserving load-bearing shear wall according to claim 1, is characterized in that: the vertical distribution reinforcement of body of wall (4) adopts HRB335 level or HRB400 level; When antidetonation earthquake intensity is not more than 7 while spending, vertical reinforcement diameter is 8mm or 10mm, spacing 300mm; When antidetonation earthquake intensity is not more than 8 while spending, vertical reinforcement diameter is 12mm or 14mm, spacing 300mm; Vertical distribution reinforcement is basis and the interior anchoring of upper floor deeply.
4. the L shaped sleeper single-row reinforcement of end band heat-preserving load-bearing shear wall according to claim 1, is characterized in that: body of wall horizontal distribution reinforcing bar (5) adopts HRB335 level or HRB400 level; When antidetonation earthquake intensity is not more than 7 while spending, horizontal reinforcement diameter is 6mm or 8mm, spacing 300mm; When antidetonation earthquake intensity is not more than 8 while spending, horizontal reinforcement diameter is 12mm or 14mm, spacing 300mm; Body of wall horizontal reinforcement is in the bending of shear wall L bight, and it is thickness of concrete cover that mould inner surface distance is built apart from insulation in inflection point, and after bending, extension length is 10 times of bar diameters.
5. the L shaped sleeper single-row reinforcement of end band heat-preserving load-bearing shear wall according to claim 1, is characterized in that: sleeper (2) longitudinal reinforcement adopts HRB335 level or HRB400 grade reinforcing steel, and diameter is 12mm or 14mm; Stirrup diameter is 8mm or 10mm, stirrup spacing 150mm; Vertical distribution reinforcement is basis and the interior anchoring of upper floor deeply.
6. the L shaped sleeper single-row reinforcement of end band heat-preserving load-bearing shear wall according to claim 1, is characterized in that: lattice type steel bar net (3) adopts HRB335 grade reinforcing steel, and bar diameter is 8mm or 10mm; Longitudinal pitch equals sleeper stirrup spacing 150mm.
7. the L shaped sleeper single-row reinforcement of end band heat-preserving load-bearing shear wall according to claim 1, is characterized in that: concrete (6) is ordinary concrete or regeneration concrete; Regeneration concrete refers to the discarded broken classification of concrete block process, mixes in proportion with grating, partly or entirely replaces comprising the natural aggregate of sandstone, then adds cement, water to join the as placed concrete forming; Regeneration concrete can be full regeneration concrete or half regeneration concrete.
8. the preparation method to the L shaped sleeper single-row reinforcement of above-mentioned end band heat-preserving load-bearing shear wall described in the arbitrary claim of claim 7 according to claim 1, is characterized in that: production order is as follows:
1) sleeper (2) longitudinal reinforcement, the vertical distribution reinforcement of body of wall (4) are inserted in grade beam by size, build grade beam concrete;
2) grade beam upper surface is copied to measuring line by house planar dimension, press line by the position correction of embedded bar; Levelling grade beam upper surface, builds mould thickness of wall body by insulation and ejects double solid line, presses line 30mm * 40mm flitch interruption ground nail is formed to draw-in groove at the upper surface of grade beam;
3) large dihedral wall thermal insulating is built to mould (1) and be inserted in the vertical muscle of sleeper, the vertical distribution reinforcement of body of wall, insert in the draw-in groove on grade beam or on flooring, more straight plate wall thermal insulating is installed and is built mould.Colligation sleeper (2) stirrup, inserts insulation by body of wall horizontal distribution (5) reinforcing bar and builds on mould rib and sleeper (2) stirrup, is connected with vertical reinforcement;
4) lattice type steel bar is welded on sleeper stirrup, goes into lattice type steel bar net (3);
5) with bearing diagonal by the rectify perpendicular of cavity module body of wall and supporting buttress, prevent its mould that rises; By wooden or metallic channel box protection for the tongue and groove on module top, and then build coagulation (6) soil to this module At The Height;
6) in order 3)~5) just insulation is built mould (1) fissure of displacement and is pegged graft and be incorporated into design floor height, and door and window hole place adopts the sealing of door and window mouth end socket module;
7) surfaces externally and internally of insulation block mould (1) is all smeared 20mm~30mm thick fiber anticracking grout layer (7).
CN201310544928.1A 2013-11-06 2013-11-06 Single-line reinforcement thermal insulation bearing shear wall with L-shaped hidden posts at end parts and manufacturing method of shear wall Pending CN103556755A (en)

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CN103835404A (en) * 2014-03-21 2014-06-04 北京工业大学 Foamed concrete bearing wall wrapped with wire mesh mortar boards and provided with L-shaped frame and construction method

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