CN102061743B - Frame-shear wall structure building of dismantling-free prefabricated reinforced concrete formwork and construction method thereof - Google Patents

Frame-shear wall structure building of dismantling-free prefabricated reinforced concrete formwork and construction method thereof Download PDF

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Publication number
CN102061743B
CN102061743B CN2010105701688A CN201010570168A CN102061743B CN 102061743 B CN102061743 B CN 102061743B CN 2010105701688 A CN2010105701688 A CN 2010105701688A CN 201010570168 A CN201010570168 A CN 201010570168A CN 102061743 B CN102061743 B CN 102061743B
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China
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building
template
concrete
forms
hole
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CN2010105701688A
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Chinese (zh)
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CN102061743A (en
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侯建群
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清华大学建筑设计研究院
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Abstract

The invention relates to a frame-shear wall structure building of a dismantling-free prefabricated reinforced concrete formwork and a construction method thereof, belonging to the technical field of buildings and construction thereof. The structure is a pure frame structure building formed through connecting a dismantling-free prefabricated reinforced concrete rectangular column formwork, a beam formwork and a floor system formwork with each other by using cast-in-place concrete, or a frame-shear wall structure building formed through connecting a dismantling-free rectangular column formwork, a beam formwork, a floor system formwork and a wall formwork with each other by using cast-in-place concrete; longitudinal and transverse through holes in parallel with the surface are arranged in each formwork; one building unit of a cast-in-place concrete frame-shear wall structure is formed by alternatively arranging reinforcing steels and filling concrete in the crossed through holes; and a multistoried or high-rise cast-in-place concrete frame-shear wall structure building is formed by one building unit or more building units which are combined. The frame-shear wall structure building has the advantages of being simple for machining and less in investment of production equipment, decreasing the construction processes, accelerating the construction, saving the manpower and the like.

Description

The frame shear wall structure building and the construction method of the precast reinforced concrete form of free removal

Technical field

The invention belongs to building and building technology field thereof, relate in particular to adopt free removal in the precast reinforced concrete form of cross bore is arranged and the cast-in-situ reinforced concrete frame shear wall structure system and the construction method thereof that form.

Background technology

Tradition cast-in-situ reinforced concrete frame shear wall structure needs assembling reinforcement at the scene, a template, form removal, and on-the-spot recruitment is many, and the construction period is long.The prefabricated reinforced concrete frame shear wall structure; The parts production batch production, shortened the site operation cycle, but failed to solve well whole connectivity problem between the prefabricated units; The whole shock resistance in house is relatively poor, so the frame shear wall structure that prefabricated units are formed application is fewer and feweri.

Summary of the invention

The object of the invention is to remedy the shortcoming and defect part of said structure system; Particularly improve the manufacture craft and the job practices of the cast-in-place frame shear wall structure of traditional steel bar concrete; Propose a kind of frame shear wall structure building and construction method thereof of precast reinforced concrete form, the present invention has that processing is simple, small investment of production equipment, minimizing working procedure, accelerate speed of application and save advantages such as manual work.

The frame shear wall structure building of the precast reinforced concrete form of employing free removal that the present invention proposes; The pure frame structure of this building for linking to each other each other by prefabricated reinforced concrete rectangular column template, beam forms and building (room) the cover mold plate of free removal with existing pour concrete, or will be by rectangular column template, beam forms and building (room) the cover mold plate of free removal, the frame shear wall structure that wall form links to each other each other with existing pour concrete; It is characterized in that; Said prefabricated reinforced concrete rectangular column template, beam forms and building (room) cover mold plate, wall form are cross bore prefabricated reinforced concrete plate; Have the vertical perforated holes parallel in this steel bar concrete precast plate with the surface; With horizontal perforated holes, make the inside of said frame shear wall structure form the cross bore duct of mutual perforation, among the cross bore duct, intert reinforcing bar with fill concrete and form a building unit of Cast-in-place concrete frame shear wall structure; A building unit, or a plurality of building unit constitutes multilayer or high-rise Cast-in-place concrete frame shear wall structure building.。

The present invention also proposes to adopt the construction method of said structure system, it is characterized in that, may further comprise the steps:

1) prefabricated cross bore steel bar concrete rectangular column template, beam forms and superstructure template, wall form are transported to the scene;

2) column template and wall form are stood vertically placement, the lower end is fixed on the basis;

3) beam forms is placed in top, column template top;

4) building (room) the cover mold plate of horizontal positioned is placed in the top of beam forms, forms post, beam, template die plate body system;

5) interspersed reinforcing bar in the post that is interconnected, wall, beam, building (room) cover mold plate cross bore hole;

6) pour concrete in the cross bore hole of these free removal templates is treated concrete filling completion, and the cast-in-situ reinforced concrete frame shear wall structure system of the precast reinforced concrete form formation of cross bore is arranged in formation one deck monolithic architecture unit or one deck employing free removal;

(6) repeatedly repeat (1) to (5), the wall form and the column template of current layer is fixed on the cast-in-situ reinforced concrete frame shear wall structure that forms multilayer or high level on the lower floor monolithic architecture unit.

Characteristics of the present invention and effect thereof:

1. the reinforcing bar of primary structure member 80% of the present invention has been placed in the cross bore template when factory process is made template, has significantly reduced the workload of assembling reinforcement at the construction field (site).Because template is by plant produced, quality is prone to guarantee.Utilize prior art in factory, prefabricated cross bore template in enormous quantities to form industrialization.

2. prefabricated cross bore template of the present invention may be split into the smaller units plate, and in light weight with respect to the prefabricated concrete wall of tradition, does not need goliath, convenient lifting.Be convenient to long-distance transport.

3. post, wall, beam, building (room) the cover mold plate that can realize every layer of house at the scene once lifts to support and finishes, and accelerates speed of application.Reduce workload and difficulty of construction that the job site template supports.End working strength of workers is fallen.

This template is that the part of primary structure member can be saved the dismounting operation, and template cross bore hole intersection is continuous, reserves the space between the template, can check the Cast-in-place concrete compactness easily.

4. template itself of the present invention has intensity, treats that this layer Cast-in-place concrete is filled into after the cross bore hole, can carry out the last layer structure construction at once, and it is hard to wait for that new pour concrete solidifies knot.Compare with the frame shear wall structure that general steel bar concrete prefabricated units form, the house globality is prone to ensure.

Description of drawings

Fig. 1 a is 8 layers of building example structure sketch map that adopt the frame shear wall structure of the precast reinforced concrete form of free removal of the present invention;

Fig. 1 b is the 1-1 sectional drawing of Fig. 1.(former Fig. 4)

Fig. 2 a is the wall form sketch map in the embodiment of the invention;

Fig. 2 b is a reinforcing cage sketch map in the wall form in the present embodiment;

Fig. 2 c is building (room) the cover mold plate sketch map in the present embodiment.

Fig. 3 a is for making the mould sketch map () that body of wall, building (room) cover mold plate are used among the embodiment;

Fig. 3 b is for making the mould sketch map (two) that body of wall, building (room) cover mold plate are used among the embodiment.

Fig. 4 is the space three-dimensional schematic perspective view that post, beam, the superstructure template of present embodiment overlaps each other.

Fig. 5 a is the beam forms sketch map in the present embodiment.

Fig. 5 b is a reinforcing cage sketch map in the beam forms in the present embodiment;

Fig. 5 c is the beam forms A-A cut-away view in the present embodiment.

Fig. 6 a is the column template sketch map in the present embodiment;

Fig. 6 b is a reinforcing cage sketch map in the column template in the present embodiment.

Fig. 7 a is the company's beam forms sketch map in the embodiment of the invention;

Fig. 7 b is a reinforcing cage sketch map in the company's beam forms in the present embodiment;

Fig. 7 c is the beam forms A-A of the company cut-away view in the present embodiment.

Fig. 8 is that the superstructure template of present embodiment is connected the embodiment generalized section with the concrete beam forms.

Fig. 9 is that the beam forms of present embodiment is connected the embodiment generalized section with column template.

The specific embodiment

The frame shear wall structure building and the construction method of the precast reinforced concrete form of employing free removal that the present invention proposes combine accompanying drawing and embodiment to specify as follows:

Embodiments of the invention general structure such as Fig. 1, shown in Figure 2, present embodiment are 8 layers of building that adopt the frame shear wall structure of the precast reinforced concrete form of free removal.Described building comprises: wall form 1, column template 2, beam forms 3, building (room) cover mold plate 4 and concrete (not shown).Wall form, column template, beam forms and building (room) cover mold plate overlaps and forms post, beam, board space template system; Each template is cross bore prefabricated reinforced concrete plate; Have the vertical perforated holes parallel in this steel bar concrete precast plate with the surface; With horizontal perforated holes (size of each hole and spacing can guarantee that all hole connects in length and breadth); Make the inside of described polyhedron space template system form the hollow duct of extending in all direction, said space template system connects each other and fills concrete formation building unit in the cross bore hole.

Present embodiment constitutes one deck monolithic architecture unit by 10 building unit horizontal combination; The superimposed formation multilayer or high-rise of making progress at each layer monolithic architecture unit successively adopts intersects the Cast-in-place concrete frame shear wall structure building that pore-forming steel bar concrete cross bore free removal template with ribbing forms, on the unit that the post of monolithic architecture unit, upper strata and body of wall are fixed on substrustion; Bottom building unit body of wall lower end is fixed on the basis 13.

Connection between each class template of present embodiment finally connects into overall structure by the reinforcing bar that interts in the reinforcing bar that stretches out in the template, the template cross bore hole with Cast-in-place concrete.

Wall form of the present invention, building (room) cover mold plate adopt the prefabricated flat board of steel bar concrete, shown in Fig. 2 a, in prefabricated dull and stereotyped 21 the plane of this steel bar concrete, have a vertical perforated holes 22 of row and a horizontal row to perforated holes 23; Be arranged on the reinforcing cage 26 in this steel bar concrete precast plate 21, this reinforcing cage 26 is by the longitudinal reinforcement 261 of many arrangements and reinforcing bar is fixed into holistic a plurality of lateral tie 262 forms, shown in Fig. 2 b; Also comprise being arranged on this steel bar concrete precast plate 21 groove 24 of side all around, be arranged on the installation suspension ring 25 of this steel bar concrete precast plate one side.

The diameter range of said vertical perforated holes is (generally speaking, to get the thickness of slab size and subtract 60mm between the 60mm to 300mm.For example, during thickness of slab 200mm, vertically the perforated holes diameter is 140mm).This laterally runs through

The diameter range of hole is 40mm to 280mm (diameter dimension of generally speaking, getting vertical perforated holes subtracts 20mm).This precast plate is generally as wall form.The height of wall form is 2500mm to 5000mm (generally speaking, getting the thickness that the building floor height subtracts building (room) cover plate size).

If on a surface of this steel bar concrete precast plate, vertically offer many row's plate face 27 (only in the perforate of template upper surface, not running through at the bottom of the plate) of hole, shown in Fig. 2 c, then this precast plate is as building (room) cover mold plate.The thickness of building (room) cover mold plate is 90mm to 250mm (needing generally speaking to confirm according to span and load size).

Beam forms 51 in the present embodiment, shown in Fig. 5 a, Fig. 5 b and Fig. 5 c, this template adopts the steel bar concrete precast beam; In this beam forms 51 have vertical blind hole hole 52 (at the bottom of the hole at the bottom of the beam external surface 30mm to 50mm; With the above-mentioned difference that connects beam), the level that has in the template connects hole 53, and (left side, right side, upper surface) is provided with groove 54 on beam forms three limits; The reinforcing cage 56 that lateral tie 562 is formed in the beam forms is arranged in the beam forms by longitudinal reinforcement 561.Stirrup 562 1 ends expose, can be as suspension ring are installed.When beam forms 51 was to make beam forms with the difference that connects beam forms 71, an end of longitudinal reinforcement 561 will stretch out outside the concrete beam forms in the beam forms, so that be connected with other member, extension elongation is confirmed by designing requirement.

Column template 61 structures of present embodiment are shown in Fig. 6 a and Fig. 6 b, and by vertical perforated holes 62 in the template, level connects hole 63 in the template, and the template suspension ring 64 when being used for construction and installation are arranged on the reinforcing cage 66 in this steel bar concrete precast plate; Said reinforcing cage is by the vertical muscle 661 of many arrangements and all vertical muscle are fixed into holistic a plurality of stirrup 662 (nine palace lattice shapes) form.

Company's beam forms structure in the present embodiment is as shown in Figure 7, and this template adopts the prefabricated beam that connects of steel bar concrete, in this connects beam forms 71, has vertical perforation hole 72 and connects hole 73 with level, shown in Fig. 7 c; The groove 74 that the company's of being arranged on beam forms is three is shown in Fig. 7 a; Reinforcing cage 76 in the company's of being arranged on beam forms, this reinforcing cage 76 are by many longitudinal reinforcements 761 and will indulge muscle 761 and be fixed into holistic a plurality of lateral tie 762 and form, shown in Fig. 7 b.Stirrup 762 1 ends expose, can be as suspension ring are installed.The length that connects beam forms generally is about the door and window hole size and adds 600mm, and the height that connects beam forms is that door and window hole epithelium to underfloor tape measure is very little, and the thickness that connects beam forms is identical with wall thickness.

The same wall form of opening diameter in present embodiment column template, the company's beam forms.

The width that connects beam forms is identical with the thickness of wall form, and the height that connects beam forms is from door and window hole epithelium to building (room) lid hypodermis.

Beam forms dimension width 150mm to 1500mm, height 150mm to 2000mm generally confirms by designing and calculating.

Column template dimension width 300mm to 2500mm, height 300mm to 2500mm generally confirms by designing and calculating.

Adopt the construction method of said frame-shear wall structure building, it is characterized in that, may further comprise the steps:

1) prefabricated cross bore steel bar concrete rectangular column template, beam forms and superstructure template, wall form are transported to the scene;

The method for prefabricating of each template is basic identical, and the existing example that is made as with wall form is as shown in Figure 3, may further comprise the steps:

1-1) on the precast plate production site,, adopt one flat plate bed die steel plate 31 according to the dimensional requirement of building; Two group's mould steel bars 32; Two backform steel bars 33, many long to preformed hole steel pipe 34 and many short preformed hole steel pipes 35 as mold component, as shown in Figure 3; Wherein, This group's mould 32 is the U-type strip steel that both sides have outer rim with backform 33; And on the bottom surface, have the row via holes 321 (diameter range of described hole be 40mm to 280mm) vertical with the bottom surface, (Fig. 3 a) for 331 (diameter range of described hole is 60mm to 300mm); This length is opened the row perforated holes 341 vertical with tube wall on the tube wall of steel pipe 34; The diameter of the hole 331 that this length is opened on the diameter of steel pipe 34 and backform 33 is identical, long diameter to the perforated holes of opening on the steel pipe 34 341 with help mould 32 on the diameter of the hole 321 opened identical; The diameter of this short preformed hole steel pipe 35 and the diameter identical (Fig. 3 b) of growing the perforated holes of on steel pipe 34, opening 341.

If (as wall form, the length of group's mould 32 is height of wall form, and the height of group's mould 32 is the thickness of wall form.If as building (room) cover mold plate, the length of group's mould 32 is spans of building (room) cover mold plate, and the height of group's mould 32 is the thickness of building (room) cover mold plate.The height of backform 33 equates with the height of group's mould 32)

1-2) will help that mould 32 and backform 33 is vertical each other, the termination alignment is placed on the bed die 31 and forms mould, (Fig. 2 b) is placed on the bed die 31 with reinforcing cage 26, and installation suspension ring 25.Many are longly penetrated to the hole 331 of preformed hole steel pipe 34 from a side backform 33, and the gap through reinforcing cage 26 penetrates in the hole of opposite side backform again; Again the hole 321 of many short preformed hole steel pipes 35 from a lateral wall mould 32 penetrated, pass the hole of another lateral wall mould 32 through the gap of reinforcing cage again;

Pour concrete in 1-3) from bed die 31 tops toward mould, the concrete upper surface is concordant with the backform epithelium with the group mould, treat concrete as yet all knot firmly before; Extract short preformed hole steel pipe 35 earlier out; Form the lateral direction penetrating hole 23 of template, extract length again out, form vertical perforation hole 22 of template to preformed hole steel pipe 34.

1-4) dismantle after mold component 31,32 and 33, just formed the plane free removal in the precast reinforced concrete form of cross bore is arranged.

Said method also can comprise: 1-5) use super hole cutter to form plate face 27 (Fig. 2 c) in the boring of template 21 upper surfaces.

Above-mentioned prefabricated free removal wall form, building (room) cover mold plate can also utilize existing manufacturing technique (it is traditional hollowcore slab that existing manufacturing technique can be produced the plate that only has a direction hole) preparation method to add and transform; Folk prescription is only arranged on the plate of hole what produce; Get out hole in a row with super hole cutter in the vertical direction of original hole, the precast reinforced concrete form of cross bore is arranged in final the formation.

2) said column template and wall form are stood vertically placement, the lower end is fixed on the basis;

3) said beam forms is placed in top, column template top;

4) the superstructure template of horizontal positioned is placed in the top of beam forms, forms the post, beam, the template die plate body system that are interconnected, as shown in Figure 4;

5) interspersed reinforcing bar in the post that is interconnected, wall, beam, superstructure template cross bore hole;

6) pour concrete in the post that is interconnected, wall, beam, superstructure template cross bore hole is treated concrete filling completion, forms one deck monolithic architecture unit or one deck frame shear wall structure;

(7) repeatedly repeat (1) to (5), the wall form and the column template of current layer is fixed on the cast-in-situ reinforced concrete frame shear wall structure that forms 8 layers on lower floor's frame shear wall structure builds.

Superstructure template 4 in the said method is connected as shown in Figure 4 with beam forms 3; Interspersed additional bar 42 in the horizontal hole of building (room) cover mold plate 4; (room) cover mold plate upper surface is placed additional bar net 43 in the building; At last in the space between building (room) cover mold plate, and pour concrete in the hole of beam, column template, pour concrete forms overlapping layers 41 on building (room) cover mold plate again.

Beam forms is connected as shown in Figure 8 with the superstructure template in the said method; Directly the superstructure template is placed on the beam forms; Put into two reinforcing bars 83 in the suspension ring reinforcing bar that stretches out on the beam forms 3 between two buildings (room) cover mold plate, and with two reinforcing bar bolts in stirrup upper end, the reinforcing bar that beam forms stretches out intersects with additional bar 83 each other; Interspersed additional bar 81 in the superstructure template cross hole; Place additional bar net 82 on the superstructure template, pour concrete in the hole of beam forms, superstructure template and slit forms overlapping layers 84 on the plate at last.

Beam forms is connected as shown in Figure 9 in the said method with column template; Directly beam forms is placed on the column template; Interspersed additional bar 93 in the column template cross hole; Beam forms intersects with the reinforcing bar that column template stretches out each other, at last at pour concrete in the hole of beam forms and column template and slit, overlapping layers 92 on the formation beam.

The pure frame structure building that the present invention proposes manufacturing approach and the foregoing description basic identical, just do not have wall form.Be not described in detail in this.

Claims (4)

1. the frame shear wall structure of the precast reinforced concrete form of free removal building, this building is for building the frame shear wall structure that rectangular column template, beam forms and superstructure template, the wall form of free removal links to each other each other with existing pour concrete; It is characterized in that; Said prefabricated reinforced concrete rectangular column template, beam forms and superstructure template, wall form are cross bore prefabricated reinforced concrete plate; Have vertical perforated holes parallel and horizontal perforated holes in this steel bar concrete precast plate with the surface; Make the inside of said frame shear wall structure form the cross bore duct of extending in all direction; Interspersed reinforcing bar and a building unit of filling concrete formation Cast-in-place concrete frame shear wall structure among this cross bore duct, a plurality of building units constitute multilayer or high-rise Cast-in-place concrete frame shear wall structure building.
2. frame shear wall structure building as claimed in claim 1; It is characterized in that; The reinforcing bar that is arranged in this cross bore prefabricated reinforced concrete plate adopts reinforcing cage, and said reinforcing cage is fixed into holistic many reinforcing bars by the lateral tie of the longitudinal reinforcement of many arrangements, a plurality of arrangements and forms.
3. adopt the construction method of frame shear wall structure building according to claim 1, it is characterized in that, may further comprise the steps:
1) prefabricated cross bore steel bar concrete rectangular column template, beam forms and superstructure template, wall form are transported to the scene;
2) said column template and wall form are stood vertically placement, the lower end is fixed on the basis;
3) said beam forms is placed in top, column template top;
4) the superstructure template of horizontal positioned is placed in the top of beam forms, forms the post, beam, the template die plate body system that are interconnected;
5) interspersed reinforcing bar in the post that is interconnected, wall, beam, superstructure template cross bore hole;
6) pour concrete in the post that is interconnected, wall, beam, superstructure template cross bore hole is treated concrete filling completion, forms one deck monolithic architecture unit or one deck frame shear wall structure;
7) repeatedly repeat 1) to 5), the wall form and the column template of current layer is fixed on the cast-in-situ reinforced concrete frame shear wall structure building that forms multilayer or high level on lower floor's frame shear wall structure.
4. like the said method of claim 3, it is characterized in that the method for prefabricating of said step 1) cross bore steel bar concrete rectangular column template, beam forms and superstructure template, wall form may further comprise the steps:
1-1) on the precast plate production site, according to the dimensional requirement of building, adopt the bed die steel plate, group's mould steel bar, the backform steel bar, many long to preformed hole steel pipe and many short preformed hole steel pipes as mold component; Wherein, This group's mould has the vertical through hole of a row with backform; This length is opened the row perforated holes vertical with tube wall on the tube wall of steel pipe; The diameter of the hole that this length is opened on the diameter of steel pipe and backform is identical, long diameter to the perforated holes of opening on the steel pipe with help mould on the diameter of the hole opened identical; The diameter of this short preformed hole steel pipe is identical with the diameter of the long perforated holes of on steel pipe, opening;
1-2) will help that mould and backform are vertical each other, align to be placed in the termination forms mould on the bed die, reinforcing bar is placed on the bed die, many are longly penetrated to the hole of preformed hole steel pipe from a side backform, the gap through reinforcing bar penetrates in the hole of opposite side backform again; Again the hole of many short preformed hole steel pipes from a lateral wall mould penetrated, through the gap and the long hole that passes another lateral wall mould to the preformed hole steel pipe again of reinforcing bar;
1-3) pour concrete in the mould, treat concrete as yet all knot hard before, extract short preformed hole steel pipe out, form the lateral direction penetrating hole of template, extract out longly to the preformed hole steel pipe, form vertical perforation hole of template;
1-4) treat that concrete knot is hard after, the mold component of dismantling, form the plane free removal in the precast reinforced concrete form of cross bore is arranged.
CN2010105701688A 2010-11-26 2010-11-26 Frame-shear wall structure building of dismantling-free prefabricated reinforced concrete formwork and construction method thereof CN102061743B (en)

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CN102877646B (en) * 2012-10-19 2014-12-17 孟凡林 Grouted overlapping assembly type reinforced concrete shear wall structure and method for building grouted overlapping assembly type reinforced concrete shear wall structure
CN102966240B (en) * 2012-11-30 2014-02-19 福建省第五建筑工程公司 Construction method for high-altitude reinforced concrete outer cantilevered structure
CN102995745A (en) * 2012-12-27 2013-03-27 沈阳易筑建材经销有限公司 Integrally-assembled concrete structural system adopting steel bar lapping mode
CN103590510B (en) * 2013-11-27 2016-01-13 上海建工五建集团有限公司 The fixed connection method of embedded bar in fabricated construction and cast-in-place structural
CN103696513A (en) * 2013-12-26 2014-04-02 北京工业大学 Prefabricated shear wall with crossed frame member and lightweight concrete wall bodies and connection construction method
CN103643737B (en) * 2013-12-27 2015-10-28 中国京冶工程技术有限公司 The layer stereo framework that precast reinforced concrete structure is assembled into
CN104234210B (en) * 2014-05-16 2016-09-07 山东万斯达建筑工业化研究院有限公司 The reinforcing steel bar connecting device of a kind of precast beam Column border node and construction method thereof
CN104164972A (en) * 2014-08-04 2014-11-26 浙江省建工集团有限责任公司 Cast-in-place concrete archaistic wall construction method
CN104594500B (en) * 2015-01-26 2017-07-25 济南轨道交通集团有限公司 Integrated slab column formwork structure system and construction method
CN104674982A (en) * 2015-03-09 2015-06-03 北京工业大学 Novel single-row reinforcement assembling shear wall and method thereof
CN105464208A (en) * 2015-09-16 2016-04-06 北京建筑大学 ECC assembly integrated building structure construction method
CN105804284A (en) * 2016-05-06 2016-07-27 湖南标迪夫节能科技有限公司 Cast-in-place combined outer wall body of prefabricated assembling type wallboard component
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