CN103741839B - Cross-frame heat preservation block single-row reinforcement light weight concrete construction body of wall and preparation method - Google Patents
Cross-frame heat preservation block single-row reinforcement light weight concrete construction body of wall and preparation method Download PDFInfo
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Abstract
The present invention relates to a kind of cross-frame heat preservation block single-row reinforcement light weight concrete construction body of wall and preparation method, belong to building aseismicity mitigation technical field; Cross-frame heat preservation block single-row reinforcement light weight concrete construction body of wall of the present invention is applicable to villages and small towns multistory building; Body of wall bight is by sleeper and steel tie combination, and shear behavior is good, improves the lateral resistant ability of body of wall, effectively enhances the anti-seismic performance of body of wall; Sleeper and body of wall uniform thickness, save building area, avoid occurring that post is stupefied; By effective connection of sleeper, steel tie, body of wall horizontal distribution reinforcing bar, the vertical distribution reinforcement of body of wall, improve the overall anti-seismic performance of body of wall.
Description
Technical field
The present invention relates to a kind of cross-frame heat preservation block single-row reinforcement light weight concrete construction body of wall and preparation method, belong to building aseismicity mitigation technical field.
Background technology
China rural area is wide, populous, and most building is in earthquake zone, and farm building is self-built substantially, and shock resistance is very weak.On May 12nd, 2008,8.0 grades, Wenchuan special violent earthquake, caused 16 provinces (municipality directly under the Central Government, autonomous region) such as Sichuan, Gansu, Shaanxi, Chongqing, 417 Duo Ge counties (city, district), 4624 small towns, 46574 villages disaster-stricken in various degree, disaster area about 440,000 km
2, this secondary earthquake 69227 people is wrecked, and 374643 people are injured, missing 17923 people, and direct economic loss reaches 8,451 hundred million yuan, and wherein main casualties concentrates on area, villages and small towns, and the immediate cause that causes casualties is house collapse.Cajaput 7.1 grades of earthquakes, the number of casualties reaches about 10% of disaster area population, and the damage of low layer, multistory building is serious.
China " 12 " period building energy conservation target: to " the 12 " end of term, building energy conservation forms 1.16 hundred million tons of standard coal energy saving capability.Wherein Development of Green Building, strengthens new building energy conservation, forms 4,500 ten thousand tons of standard coal energy saving capability; The reform of in-depth supply hot water, heat billing of carrying out in an all-round way, advances northern heating area existing building heat metering and reducing energy consumption, forms 2,700 ten thousand tons of standard coal energy saving capability; Strengthen public building energy efficiency supervision construction, promote reducing energy consumption and operational management, form 1,400 ten thousand tons of standard coal energy saving capability, visible New Dwelling building energy conservation task is very heavy.Estimate that at the bottom of the year two thousand twenty, national house architectural area will reach 68,600,000,000 square metres, and wherein low layer, multistory building are 42,500,000,000 square metres, and low multistory building energy saving task is very arduous.
Conventional multilayer house seismic capacity of masonry structure is poor.Shear-wall of High-rise House, to the restriction of thickness of wall body and reinforcement detailing thereof, is directly applied mechanically and is had that cost is higher, body of wall is thicker in multilayer shear wall structure, is difficult to the problem promoted.Based on this, the present invention proposes a kind of simplification arrangement of reinforcement, be easy to construction, replace conventional template with permanent heat preservation block, cast-in-place foaming lightweight concrete lowly reinforced rate single-row reinforcement body of wall substitutes traditional masonry wall, earthquake-proof energy-saving integration, is suitable for the new structural system of low multistory building.
Summary of the invention
The object of the present invention is to provide a kind of cross-frame heat preservation block single-row reinforcement light weight concrete construction body of wall and the preparation method with advantages such as simple structure, cheap, easy construction, earthquake-proof energy-saving integrations, to effectively solving the problems such as traditional low layer, multistory building thermal and insulating performance is poor, shock resistance is weak.
For achieving the above object, the technical solution used in the present invention is a kind of cross-frame heat preservation block single-row reinforcement light weight concrete construction body of wall and preparation method, cross-frame heat preservation block single-row reinforcement light weight concrete construction body of wall of the present invention, this body of wall comprises cross reinforced concrete frame post, heat preservation block, light weight concrete construction body of wall, single cage of reinforcement; Wherein, single cage of reinforcement comprises horizontal distribution reinforcing bar, vertical distribution reinforcement, steel concrete sleeper, terraced lattice reinforcing bar; Groove, convex key are the occlusion structure of heat preservation block joining place, and dovetail groove is the surface texture of heat preservation block; Surface layer mortar is filled with in dovetail groove.
Cross shaped rc columns is divided into three layer construction, i.e. cross shaped rc columns skin, internal layer, intermediate layer; Wherein, light weight concrete construction body of wall, single cage of reinforcement are placed in the intermediate layer of cross shaped rc columns, and heat preservation block is placed in skin, the internal layer of cross shaped rc columns.
Specifically, cross shaped rc columns is placed in body of wall junction in length and breadth, its intermediate layer is made up of 5 steel concrete sleeper, horizontal reinforcement drawknot is passed through along direction, parallel ground between each steel concrete sleeper, vertical ground direction is provided with vertical distribution reinforcement, and vertical distribution reinforcement is by oblique terraced lattice reinforcing bar drawknot; Described 5 steel concrete sleeper lay respectively at the end of vertical body of wall, the body of wall junction in length and breadth, end and two of cross wall body, by horizontal distribution reinforcing bar and oblique terraced lattice reinforcing bar drawknot between 5 steel concrete sleeper, strengthen overall mechanical property; Described horizontal distribution reinforcing bar is placed in cross shaped rc columns intermediate layer and is connected with steel concrete sleeper stirrup; The vertical distribution reinforcement of body of wall is vertical with body of wall horizontal distribution reinforcing bar to be placed, and builds light weight concrete construction formation light weight concrete construction body of wall in cross shaped rc columns intermediate layer.
Arrange groove, convex key in the end of heat preservation block, when multi-form block module is built into body of wall, adjacent keyway is engaged, enhances the globality of this body of wall.
Cross reinforced concrete frame post is load-bearing main body, and cast-in-place foaming lightweight concrete single-row reinforcement body of wall is first anti-vibration defense lines energy-dissipating and shock-absorbing; Cross reinforced concrete frame post is that second defence line and lightweight cast-in-situ wall work in coordination with antidetonation shock attenuation; Dovetail groove inside and outside heat preservation block, flexibly connects light weight concrete construction body of wall in surface layer mortar and mould, and surface layer mortar and Light Wall damage have significant energy-dissipating and shock-absorbing effect, and the two damage process is close; Heat preservation block exempts to tear open, and form insulation integration, surface layer mortar-heat preservation block-light weight concrete construction body of wall forms more high performance composite thermal-insulating wall.
Described heat preservation block can be made up of granular polystyrene mortar, polyphenyl, string heat insulating material, and can be processed into in-line, cross, T-shaped, cross, form.
Described flat distribution reinforcement can adopt HRB335 level or HRB400 level; When antidetonation earthquake intensity is not more than 7 degree, body of wall horizontal distribution bar diameter is 6mm or 8mm, spacing 300mm; When antidetonation earthquake intensity is not more than 8 degree, body of wall horizontal distribution bar diameter is 12mm or 14mm, spacing 300mm.
The vertical distribution reinforcement of described body of wall adopts HRB335 level or HRB400 level; When antidetonation earthquake intensity is not more than 7 degree, the vertical distribution reinforcement diameter of body of wall is 8mm or 10mm, spacing 300mm; When antidetonation earthquake intensity is not more than 8 degree, the vertical distribution reinforcement diameter of body of wall is 12mm or 14mm, spacing 300mm; Vertical distribution reinforcement gos deep into anchoring in basis and upper floor.
Described steel concrete sleeper longitudinal reinforcement adopts HRB335 level or HRB400 level reinforcing bar, and diameter is 12mm or 14mm; Stirrup diameter is 8mm or 10mm, stirrup spacing 150mm.
Described groove or convex key mapping, in the end of heat preservation block, are arranged along building mould direction, and during group block heat preservation block body of wall, groove is engaged mutually with convex key, enhances the globality of heat preservation block body of wall.
Described terraced lattice reinforcing bar, between adjacent reinforced concrete sleeper, along the high oblique setting of post, can adopt HRB335 level or HRB400 level; When antidetonation earthquake intensity is not more than 7 degree, diameter is 8mm or 10mm, spacing 300mm; When antidetonation earthquake intensity is not more than 8 degree, the vertical distribution reinforcement diameter of body of wall is 12mm or 14mm, spacing 300mm.
Described dovetail groove is located at the surface at heat preservation block, and wherein, dovetail groove enhances the connection of surface layer mortar and heat preservation block on the one hand, makes surface layer mortar difficult drop-off; On the other hand, dovetail groove enhances the connection of heat preservation block and interior light weight concrete construction, ensures insulation layer bonding firmly, and overcomes traditional polyphenyl insulation layer and hold caducous drawback.
Described surface layer mortar can adopt conventional cement mortar, anticracking grout, string mortar.
The earthquake resistant structure of cross-frame heat preservation block single-row reinforcement light weight concrete construction body of wall, its preparation method is as follows.
The cage of reinforcement of steel concrete sleeper, vertical distribution reinforcement insert in grade beam by size by S1, build grade beam concrete.
Grade beam upper surface is undertaken copying measuring line by house planar dimension by S2, levelling grade beam upper surface, ejects double solid line by heat preservation block thickness.
Heat preservation block from the cage of reinforcement end sleeve of vertical distribution reinforcement and steel concrete sleeper, is built heat preservation block body of wall in grade beam top group by S3, and adjacent heat preservation block end is by groove and the occlusion of convex key.
S4, building the top layout horizontal reinforcement of mould along the high every skin of wall, in the end of longitudinal cross wall by the stirrup side middle of horizontal distribution reinforcing bar binding in adjacent reinforced concrete sleeper, makes to connect into entirety between steel concrete sleeper; In the middle of body of wall, horizontal distribution reinforcing bar and vertical distribution reinforcement colligation, form single cage of reinforcement.
S5 in cross place, builds the cross reinforced concrete frame post that ordinary concrete forms band heat preservation block in longitudinal cross wall handing-over in the cavity of heat preservation block; Cast-in-place light foamed concrete in the cavity that body of wall moderate soak builds mould, forms the light weight concrete construction body of wall of heat preservation block foaming.
Compared with prior art, the present invention has following beneficial effect.
Cross-frame heat preservation block single-row reinforcement light weight concrete construction body of wall of the present invention is applicable to villages and small towns multistory building; Body of wall bight is by sleeper and steel tie combination, and shear behavior is good, improves the lateral resistant ability of body of wall, effectively enhances the anti-seismic performance of body of wall; Sleeper and body of wall uniform thickness, save building area, avoid occurring that post is stupefied; By effective connection of sleeper, steel tie, body of wall horizontal distribution reinforcing bar, the vertical distribution reinforcement of body of wall, improve the overall anti-seismic performance 35% of body of wall.
Accompanying drawing explanation
Fig. 1 is cross-frame heat preservation block single-row reinforcement light weight concrete construction body of wall sectional drawing.
Fig. 2 is cross reinforced concrete frame post arrangement of reinforcement and organigram.
Fig. 3 is steel concrete sleeper arrangement of reinforcement schematic diagram.
Fig. 4 is cross-frame heat preservation block single-row reinforcement light weight concrete construction body of wall elevation.
In figure: 1, cross reinforced concrete frame post, 2, heat preservation block, 3, light weight concrete construction, 4, horizontal distribution reinforcing bar, 5, vertical distribution reinforcement, 6, steel concrete sleeper, 7, groove, 8, convex key, 9, terraced lattice reinforcing bar, 10, dovetail groove, 11, surface layer mortar.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention will be further described.
As Figure 1-4, cross-frame heat preservation block single-row reinforcement light weight concrete construction body of wall of the present invention, this body of wall comprises cross reinforced concrete frame post 1, heat preservation block 2, light weight concrete construction body of wall 3, single cage of reinforcement; Wherein, single cage of reinforcement comprises horizontal distribution reinforcing bar 4, vertical distribution reinforcement 5, steel concrete sleeper 6, terraced lattice reinforcing bar 9; Groove 7, convex key 8 are the occlusion structure of heat preservation block 2 joining place, and dovetail groove 10 is the surface texture of heat preservation block 2; Surface layer mortar 11 is filled with in dovetail groove 10.
Cross shaped rc columns 1 is divided into three layer construction, i.e. cross shaped rc columns skin, internal layer, intermediate layer; Wherein, light weight concrete construction body of wall 3, single cage of reinforcement are placed in the intermediate layer of cross shaped rc columns 1, and heat preservation block 2 is placed in skin, the internal layer of cross shaped rc columns 1.
Specifically, cross shaped rc columns 1 is placed in body of wall junction in length and breadth, its intermediate layer is made up of 5 steel concrete sleeper 6, horizontal reinforcement 4 drawknot is passed through along direction, parallel ground between each steel concrete sleeper 6, vertical ground direction is provided with vertical distribution reinforcement 5, and vertical distribution reinforcement 5 is by oblique terraced lattice reinforcing bar 9 drawknot; Described 5 steel concrete sleeper 6 lay respectively at the end of vertical body of wall, the body of wall junction in length and breadth, end and two of cross wall body, by horizontal distribution reinforcing bar 4 and oblique terraced lattice reinforcing bar 9 drawknot between 5 steel concrete sleeper 6, strengthen overall mechanical property; Described horizontal distribution reinforcing bar 4 is placed in cross shaped rc columns 1 intermediate layer and is connected with steel concrete sleeper 6 stirrup; The vertical distribution reinforcement of body of wall 5 is vertical with body of wall horizontal distribution reinforcing bar 4 to be placed, and builds light weight concrete construction formation light weight concrete construction body of wall 3 in cross shaped rc columns 1 intermediate layer.
Arrange groove 7, convex key 8 in the end of heat preservation block 2, when multi-form block module is built into body of wall 3, adjacent keyway is engaged, enhances the globality of this body of wall.
Cross reinforced concrete frame post 1 is load-bearing main body, and cast-in-place foaming lightweight concrete single-row reinforcement body of wall is first anti-vibration defense lines energy-dissipating and shock-absorbing; Cross reinforced concrete frame post 1 works in coordination with antidetonation shock attenuation for second defence line and lightweight cast-in-situ wall; Dovetail groove 10 inside and outside heat preservation block 2, flexibly connects surface layer mortar 11 and light weight concrete construction body of wall 3 in mould, and surface layer mortar 11 and Light Wall 3 damage have significant energy-dissipating and shock-absorbing effect, and the two damage process is close; Heat preservation block 2 exempts to tear open, and form insulation integration, surface layer mortar 11-heat preservation block 2-light weight concrete construction body of wall 3 forms more high performance composite thermal-insulating wall.
Described heat preservation block 2 can be made up of granular polystyrene mortar, polyphenyl, string heat insulating material, and can be processed into in-line, cross, T-shaped, cross, form.
Described flat distribution reinforcement 4 can adopt HRB335 level or HRB400 level; When antidetonation earthquake intensity is not more than 7 degree, body of wall horizontal distribution bar diameter is 6mm or 8mm, spacing 300mm; When antidetonation earthquake intensity is not more than 8 degree, body of wall horizontal distribution bar diameter is 12mm or 14mm, spacing 300mm.
The vertical distribution reinforcement 5 of described body of wall adopts HRB335 level or HRB400 level; When antidetonation earthquake intensity is not more than 7 degree, the vertical distribution reinforcement diameter of body of wall is 8mm or 10mm, spacing 300mm; When antidetonation earthquake intensity is not more than 8 degree, the vertical distribution reinforcement diameter of body of wall is 12mm or 14mm, spacing 300mm; Vertical distribution reinforcement gos deep into anchoring in basis and upper floor.
Described steel concrete sleeper 6 longitudinal reinforcement adopts HRB335 level or HRB400 level reinforcing bar, and diameter is 12mm or 14mm; Stirrup diameter is 8mm or 10mm, stirrup spacing 150mm.
Described groove 7 or convex key 8 are positioned at the end of heat preservation block 2, arrange along building mould direction, and during group block heat preservation block body of wall, groove 7 is engaged mutually with convex key 8, enhances the globality of heat preservation block body of wall.
Described terraced lattice reinforcing bar 9, between adjacent reinforced concrete sleeper 6, along the high oblique setting of post, can adopt HRB335 level or HRB400 level; When antidetonation earthquake intensity is not more than 7 degree, diameter is 8mm or 10mm, spacing 300mm; When antidetonation earthquake intensity is not more than 8 degree, the vertical distribution reinforcement diameter of body of wall is 12mm or 14mm, spacing 300mm.
Described dovetail groove 10 is located on the surface of heat preservation block 2, and wherein, dovetail groove enhances surface layer mortar 11 and the connection of heat preservation block 2 on the one hand, makes surface layer mortar 11 difficult drop-off; On the other hand, dovetail groove enhances heat preservation block 2 and the connection of interior light weight concrete construction 3, ensures insulation layer bonding firmly, and overcomes traditional polyphenyl insulation layer and hold caducous drawback.
Described surface layer mortar 11 can adopt conventional cement mortar, anticracking grout, string mortar.
The earthquake resistant structure of cross-frame heat preservation block single-row reinforcement light weight concrete construction body of wall, its preparation method is as follows.
The cage of reinforcement of steel concrete sleeper 6, vertical distribution reinforcement 5 insert in grade beam by size by S1, build grade beam concrete.
Grade beam upper surface is undertaken copying measuring line by house planar dimension by S2, levelling grade beam upper surface, ejects double solid line by heat preservation block 2 thickness.
S3 is by heat preservation block 2 from the cage of reinforcement end sleeve of vertical distribution reinforcement 5 and steel concrete sleeper 6, and build heat preservation block body of wall in grade beam top group, adjacent heat preservation block 2 end is engaged by groove 7 and convex key 8.
S4, building the top layout horizontal reinforcement 4 of mould 2 along the high every skin of wall, in the end of longitudinal cross wall by the stirrup side middle of horizontal distribution reinforcing bar 4 colligation in adjacent reinforced concrete sleeper 6, makes to connect into entirety between steel concrete sleeper 6; In the middle of body of wall, horizontal distribution reinforcing bar 4 and the colligation of vertical distribution reinforcement 5, form single cage of reinforcement.
S5 in cross place, builds the cross reinforced concrete frame post 1 that ordinary concrete forms band heat preservation block in longitudinal cross wall handing-over in the cavity of heat preservation block 2; Cast-in-place light foamed concrete in the cavity that body of wall moderate soak builds mould 2, forms the light weight concrete construction body of wall 3 of heat preservation block foaming.
Be more than an exemplary embodiments of the present invention, enforcement of the present invention is not limited thereto.
Claims (10)
1. cross-frame heat preservation block single-row reinforcement light weight concrete construction body of wall, is characterized in that: this body of wall comprises cross shaped rc columns (1), heat preservation block (2), light weight concrete construction body of wall (3), single cage of reinforcement; Wherein, single cage of reinforcement comprises horizontal distribution reinforcing bar (4), vertical distribution reinforcement (5), steel concrete sleeper (6), oblique terraced lattice reinforcing bar (9); The occlusion structure that groove (7), convex key (8) they are heat preservation block (2) joining place, the surface texture that dovetail groove (10) is heat preservation block (2); Surface layer mortar (11) is filled with in dovetail groove (10);
Cross shaped rc columns (1) is divided into three layer construction, i.e. cross shaped rc columns skin, internal layer, intermediate layer; Wherein, light weight concrete construction body of wall (3), single cage of reinforcement are placed in the intermediate layer of cross shaped rc columns (1), and heat preservation block (2) is placed in skin, the internal layer of cross shaped rc columns (1);
Specifically, cross shaped rc columns (1) is placed in body of wall junction in length and breadth, its intermediate layer is made up of five steel concrete sleeper (6), horizontal distribution reinforcing bar (4) drawknot is passed through along direction, parallel ground between each steel concrete sleeper (6), be provided with vertical distribution reinforcement (5) along vertical ground direction, vertical distribution reinforcement (5) is by oblique terraced lattice reinforcing bar (9) drawknot; Described five steel concrete sleeper (6) lay respectively at the end of vertical body of wall, the body of wall junction in length and breadth, end and two of cross wall body, by horizontal distribution reinforcing bar (4) and oblique terraced lattice reinforcing bar (9) drawknot between five steel concrete sleeper (6), strengthen overall mechanical property; Described horizontal distribution reinforcing bar (4) is placed in cross shaped rc columns (1) intermediate layer and is connected with steel concrete sleeper (6) stirrup; Vertical distribution reinforcement (5) is vertical with horizontal distribution reinforcing bar (4) to be placed, and builds light weight concrete construction formation light weight concrete construction body of wall (3) in cross shaped rc columns (1) intermediate layer.
2. cross-frame heat preservation block single-row reinforcement light weight concrete construction body of wall according to claim 1, it is characterized in that: groove (7), convex key (8) are set in the end of heat preservation block (2), when multi-form heat preservation block group is built into light weight concrete construction body of wall (3), adjacent keyway is engaged.
3. cross-frame heat preservation block single-row reinforcement light weight concrete construction body of wall according to claim 1, it is characterized in that: described heat preservation block (2) is made up of granular polystyrene mortar, polyphenyl, string heat insulating material, and in-line or T-shaped or cross or form can be processed into.
4. cross-frame heat preservation block single-row reinforcement light weight concrete construction body of wall according to claim 1, is characterized in that: described horizontal distribution reinforcing bar (4) adopts HRB335 level or HRB400 level; When antidetonation earthquake intensity is not more than 7 degree, body of wall horizontal distribution bar diameter is 6mm or 8mm, spacing 300mm; When antidetonation earthquake intensity is not more than 8 degree and is greater than 7 degree, body of wall horizontal distribution bar diameter is 12mm or 14mm, spacing 300mm.
5. cross-frame heat preservation block single-row reinforcement light weight concrete construction body of wall according to claim 1, is characterized in that: described vertical distribution reinforcement (5) adopts HRB335 level or HRB400 level; When antidetonation earthquake intensity is not more than 7 degree, vertical distribution reinforcement diameter is 8mm or 10mm, spacing 300mm; When antidetonation earthquake intensity is not more than 8 degree and is greater than 7 degree, vertical distribution reinforcement diameter is 12mm or 14mm, spacing 300mm; Vertical distribution reinforcement gos deep into anchoring in basis and upper floor.
6. cross-frame heat preservation block single-row reinforcement light weight concrete construction body of wall according to claim 1, is characterized in that: described steel concrete sleeper (6) longitudinal reinforcement adopts HRB335 level or HRB400 level reinforcing bar, and diameter is 12mm or 14mm; Stirrup diameter is 8mm or 10mm, stirrup spacing 150mm.
7. cross-frame heat preservation block single-row reinforcement light weight concrete construction body of wall according to claim 1, it is characterized in that: described groove (7) or convex key (8) are positioned at the end of heat preservation block (2), arrange along heat preservation block direction, during group block heat preservation block body of wall, groove (7) is engaged mutually with convex key (8).
8. cross-frame heat preservation block single-row reinforcement light weight concrete construction body of wall according to claim 1, it is characterized in that: described oblique terraced lattice reinforcing bar (9) is positioned between adjacent reinforced concrete sleeper (6), along the high oblique setting of post, adopt HRB335 level or HRB400 level; When antidetonation earthquake intensity is not more than 7 degree, vertical distribution reinforcement diameter is 8mm or 10mm, spacing 300mm; When antidetonation earthquake intensity is not more than 8 degree and is greater than 7 degree, vertical distribution reinforcement diameter is 12mm or 14mm, spacing 300mm.
9. cross-frame heat preservation block single-row reinforcement light weight concrete construction body of wall according to claim 1, is characterized in that: described surface layer mortar (11) adopts conventional cement mortar or anticracking grout or string mortar.
10. the earthquake resistant structure preparation method of cross-frame heat preservation block single-row reinforcement light weight concrete construction body of wall, is characterized in that:
The cage of reinforcement of steel concrete sleeper (6), vertical distribution reinforcement (5) insert in grade beam by size by S1, build grade beam concrete;
Grade beam upper surface is undertaken copying measuring line by house planar dimension by S2, levelling grade beam upper surface, ejects double solid line by heat preservation block (2) thickness;
S3 by heat preservation block (2) from the cage of reinforcement end sleeve of vertical distribution reinforcement (5) and steel concrete sleeper (6), build heat preservation block body of wall in grade beam top group, adjacent heat preservation block (2) end is by groove (7) and convex key (8) occlusion;
S4 is at the top layout horizontal distribution reinforcing bar (4) along wall height heat preservation block (2), in the end of longitudinal cross wall by the stirrup side middle of horizontal distribution reinforcing bar (4) colligation in adjacent reinforced concrete sleeper (6), make to connect into entirety between steel concrete sleeper (6); In the middle of body of wall, horizontal distribution reinforcing bar (4) and vertical distribution reinforcement (5) colligation, form single cage of reinforcement;
S5 in cross place, builds the cross reinforced concrete frame post (1) that ordinary concrete forms band heat preservation block in longitudinal cross wall handing-over in the cavity of heat preservation block (2); Cast-in-place light foamed concrete in the cavity that body of wall moderate soak builds mould (2), forms the light weight concrete construction body of wall (3) of heat preservation block foaming.
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