CN113529956A - Shear wall box type assembly type building structure and construction method thereof - Google Patents
Shear wall box type assembly type building structure and construction method thereof Download PDFInfo
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- CN113529956A CN113529956A CN202110786126.6A CN202110786126A CN113529956A CN 113529956 A CN113529956 A CN 113529956A CN 202110786126 A CN202110786126 A CN 202110786126A CN 113529956 A CN113529956 A CN 113529956A
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- 238000010276 construction Methods 0.000 title claims abstract description 32
- 238000009435 building construction Methods 0.000 claims abstract description 7
- 238000011065 in-situ storage Methods 0.000 claims abstract description 5
- 230000002787 reinforcement Effects 0.000 claims description 28
- 238000007569 slipcasting Methods 0.000 claims description 21
- 238000005452 bending Methods 0.000 claims description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 239000011440 grout Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 238000007493 shaping process Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 6
- 239000004570 mortar (masonry) Substances 0.000 description 6
- 238000009415 formwork Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 210000003205 muscle Anatomy 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
- E04B1/34315—Structures characterised by movable, separable, or collapsible parts, e.g. for transport characterised by separable parts
- E04B1/34331—Structures characterised by movable, separable, or collapsible parts, e.g. for transport characterised by separable parts mainly constituted by three-dimensional elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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- Business, Economics & Management (AREA)
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- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The utility model relates to a shear force wall box-type assembled building structure belongs to the field of assembly type building construction, it includes the structure, the structure includes terrace and assembled cell cube, the array has a plurality of assembled cell cubes on the terrace, be equipped with the post-cast strip between the adjacent assembled cell cube, the assembled cell cube has a plurality of layers along vertical direction overlapping on the terrace, all be connected through first connecting assembly between the adjacent two-layer assembled cell cube and between bottom assembled cell cube and the terrace. Constructor combines the boundary beam frame in shear force wall combination room, the roof, the bottom plate, an organic whole is the prefabricated cell cube of shaping of pouring in advance, place the assembled cell cube on ground terrace again, according to the construction needs, arrange a plurality of assembled cell cubes on the terrace, it is fixed with the post-cast strip in the one deck assembled cell cube cast in situ concrete at last, this application has the efficiency of construction that improves, improve house overall stability, better wholeness and good anti-seismic performance's effect has.
Description
Technical Field
The application relates to the field of assembly type building construction, in particular to a shear wall box type assembly type building structure and a construction method thereof.
Background
The fabricated building is a building which is formed by transferring a large amount of field operation work in the traditional construction mode to a factory, processing and manufacturing structural members (such as floor slabs, wall slabs, stairs, balconies and the like) for the building in the factory, transporting the structural members to a building construction site, and assembling and installing the structural members on the site in a reliable connection mode.
In the existing fabricated building, after the lifting devices of the structural members of each part, such as the shear wall, are positioned, when the structural members are connected with other structural members, embedded steel bars in the structural members need to be connected firstly, and then grouting and joint closing are carried out on joints among the structural members, so that the shear wall in the existing fabricated building needs to be constructed and installed independently.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: in the construction and installation process of the shear wall, the shear wall is influenced by the assembling construction technology, and the conditions of difficult assembling and poor assembling stability are easy to occur.
Disclosure of Invention
In order to improve construction convenience and stability of the shear wall of the fabricated building, the application provides a shear wall box type fabricated building structure and a construction method thereof.
In a first aspect, the application provides a shear wall box type assembly type building structure, which adopts the following technical scheme:
a shear wall box type assembly type building structure comprises a structural member, wherein the structural member comprises a terrace and assembly type unit bodies, each assembly type unit body comprises a boundary beam frame and a plurality of shear walls, each boundary beam frame is cuboid, a top plate is arranged at the top of each boundary beam frame, a bottom plate is arranged at the bottom of each boundary beam frame, and the plurality of shear walls are arranged on the side walls of the boundary beam frames;
the array is provided with a plurality of assembled cell cube on the terrace, and is adjacent be provided with the post-cast strip that is used for the cast in situ concrete between the assembled cell cube, the assembled cell cube has a plurality of layers along vertical direction overlapping on the terrace, and adjacent two-layer all connect through first connecting element between the assembled cell cube and between bottom assembled cell cube and the terrace.
By adopting the technical scheme, constructors combine the shear wall with the boundary beam frame of a room, the top plate and the bottom plate, the assembled unit bodies are integrally precast and formed, then the assembled unit bodies are placed on a ground terrace, the assembled unit bodies are fixed with the terrace through the first connecting assembly, a plurality of assembled unit bodies are arranged on the terrace according to construction requirements, post-cast belts are reserved between adjacent unit bodies, finally, the post-cast belts in the assembled unit bodies on the same layer are cast with concrete and fixed, the process of assembling and fixing the shear wall block by block is omitted, the shear wall is stably connected with the whole frame of the house, the assembled unit bodies have better integrity and good anti-seismic performance, the bearing performance of a single module of the assembled unit body is better, and the form is various.
Optionally, first coupling assembly includes first connecting reinforcement, second connecting reinforcement and slip casting sleeve, the roof of terrace, the roof of boundary beam frame all correspond and are provided with first connecting reinforcement, be provided with the second connecting reinforcement that corresponds with first connecting reinforcement on the boundary beam frame on the diapire of boundary beam frame, slip casting sleeve axle sleeve is established at the junction of first connecting reinforcement and second connecting reinforcement, be provided with slip casting hole and grout outlet along slip casting sleeve length direction from the top to bottom interval on the telescopic lateral wall of slip casting.
Through adopting above-mentioned technical scheme, after constructor hoists the assembled cell cube on terrace or lower floor's assembled cell cube top, make the second tie bar of the assembled cell cube diapire of hoist and mount align with the first tie bar of below, the assembled cell cube of below, make first tie bar and second tie bar insert simultaneously in the slip casting sleeve, then follow slip casting telescopic below slip casting hole grout until the mortar from the grout outlet of slip casting sleeve top back of appearing, seal slip casting hole and grout outlet simultaneously, until the mortar solidifies in the slip casting sleeve, can accomplish the connection of assembled cell cube and fix, connect stably, the operation is quick.
Optionally, a second connecting assembly used for reinforcing the assembled unit bodies is arranged on the side wall, close to the post-cast strip, of the assembled unit bodies, the second connecting assembly comprises stirrups, one ends of the stirrups are fixedly connected with the boundary beam frame, and the other ends of the stirrups are provided with bending portions.
Through adopting above-mentioned technical scheme, when casting the concrete to the post-cast strip between the assembled cell cube, the stirrup flexion that emerges on the assembled cell cube lateral wall can effectively hook the concrete in the post-cast strip, improves the stability of being connected of assembled cell cube and post-cast strip interior concrete tie layer.
Optionally, the bending portions of the stirrups on the two adjacent boundary beam frames are staggered, longitudinal bars are vertically arranged in the post-cast strip, and the longitudinal bars penetrate through the bending portions of the stirrups on the boundary beam frames on the two sides.
Through adopting above-mentioned technical scheme, assemble the back that targets in place at two adjacent assembled cell cube, stirrup flexion on the boundary beam frame of two adjacent assembled cell cube is crisscross each other and constitutes the closed ring on the plane projection, vertically inserts between two stirrup flexion again and indulges the muscle, can be in the same place two adjacent assembled cell cube effectively links, further strengthens the installation stability of assembled cell cube.
In a second aspect, the application provides a shear wall box type assembly type building construction method, which adopts the following technical scheme:
a construction method of a shear wall box type assembly type building comprises the following steps:
s1, site cleaning, assembly type unit body template building and steel reinforcement cage hoisting in the assembly type unit body template;
s2, pouring concrete into the assembled unit body template, vibrating in time during pouring, and integrally curing and molding the assembled unit body;
s3, constructing a floor foundation, installing embedded steel bars, pouring the floor, and maintaining and forming the floor;
s4, hoisting the assembled unit bodies to the upper part of the floor in place, and connecting the assembled unit bodies and the floor;
s5, orderly hoisting and arranging the assembly type unit bodies on the terrace, reserving a post-cast strip between contact surfaces of adjacent assembly type unit bodies, building and installing a post-cast strip template, pouring concrete, and maintaining in time;
s6, after the lower-layer assembled unit bodies are cured and molded to reach the hardness standard, continuing to hoist the upper-layer assembled unit bodies, connecting the upper-layer assembled unit bodies and the lower-layer assembled unit bodies, reserving a post-cast strip between the upper-layer assembled unit bodies, building and installing a post-cast strip template, pouring concrete, and curing in time;
and S7, repeating the step S6 until the building reaches the designated floor, and building roof top-retracting construction.
By adopting the technical scheme, the shear wall, the room frame, the room top plate and the room bottom plate are integrally pre-cast and molded, the assembled unit bodies are integrally hoisted and assembled in place, the building is assembled and installed by taking the room as a unit, the condition that the installation and construction quality is different in the installation and construction process of a plurality of shear walls is effectively prevented, the construction quality of the assembled building is improved, the on-site templates, the erection and grouting times of supports can be effectively reduced, the construction efficiency of the assembled building is improved, the integral molding of the shear wall, the room frame, the top plate and the bottom plate is better, and the anti-seismic performance is high.
Optionally, in step S1, a stirrup is installed on the steel reinforcement cage, the stirrup extends out of the formwork on one side of the assembled unit body close to the post-cast strip, one end of the stirrup extending out of the formwork of the assembled unit body is bent, and the bending angle of the stirrup is greater than 90 °.
Through adopting above-mentioned technical scheme, at the pre-buried installation protrusion stirrup of the one side of assembled cell cube orientation post-cast strip to buckle the stirrup end, can effectively improve the firm in connection nature between cast-in-place concrete layer in assembled cell cube and the post-cast strip, improve assembled building stability.
Optionally, in step S5, the stirrup bending portions between adjacent assembled unit bodies are staggered, and the projections of the stirrup bending portions between adjacent assembled unit bodies on the horizontal plane form a closed ring, a longitudinal bar is vertically inserted into the template of the vertical assembled unit body, and the longitudinal bar passes through the stirrup bending portions between adjacent assembled unit bodies.
By adopting the technical scheme, the stirrups between the adjacent assembled unit bodies are staggered, the longitudinal bars penetrate, the stirrups on the adjacent assembled unit bodies can be mutually hooked, and the connection stability between the assembled unit bodies is further improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the shear wall is combined with a boundary beam frame, a top plate and a bottom plate of a room by constructors, the assembled unit bodies are formed by integral pre-pouring, then the assembled unit bodies are placed on a ground terrace, a plurality of assembled unit bodies are arranged on the terrace according to construction requirements, and finally, concrete is cast in a post-pouring belt in one layer of the assembled unit bodies for fixing, so that the shear walls are omitted to be assembled and fixed one by one, the shear walls are stably connected with the integral frame of the house, and the shear wall has better integrity and good anti-seismic performance;
2. after two adjacent assembled unit bodies are assembled in place, the stirrup bending parts on the boundary beam frames of the two adjacent assembled unit bodies are staggered with each other to form a closed ring on the plane projection, and then longitudinal ribs are vertically inserted between the two stirrup bending parts, so that the two adjacent assembled unit bodies can be effectively connected together, and the installation stability of the assembled unit bodies is further enhanced;
3. the shear wall, the room frame, the room top plate and the room bottom plate are integrally pre-cast and molded, the assembled unit bodies are integrally hoisted in place and assembled, the building is assembled by taking the room as a unit, the construction quality of the assembled building is improved, the construction efficiency of the assembled building is improved, the shear wall, the room frame, the room top plate and the room bottom plate are integrally molded, the integrity is good, and the anti-seismic performance is high.
Drawings
Fig. 1 is a schematic view of the overall structure of a prefabricated building structure according to embodiment 1 of the present application.
Fig. 2 is a schematic view of the overall structure of the fabricated unit body according to example 1 of the present application.
Fig. 3 is a schematic view of the overall structure of the first connection assembly according to embodiment 1 of the present application.
Fig. 4 is a partial sectional structural schematic view of a grouting sleeve according to embodiment 1 of the present application.
Fig. 5 is a schematic view of the overall structure of a prefabricated building structure according to embodiment 2 of the present application.
Fig. 6 is a partially enlarged schematic view of a portion a in fig. 5.
Fig. 7 is a schematic view of a connection structure of a second connection assembly in embodiment 3 of the present application.
Description of reference numerals: 1. a structural member; 11. a terrace; 12. an assembled unit body; 121. a boundary beam frame; 122. a shear wall; 123. a top plate; 124. a base plate; 125. post-pouring a belt; 2. a first connection assembly; 21. a first connecting bar; 22. a second connecting reinforcement; 23. grouting the sleeve; 24. grouting holes; 25. a slurry outlet; 3. a second connection assembly; 31. hooping; 32. a bending section; 33. and (5) longitudinal ribs.
Detailed Description
The present application is described in further detail below with reference to figures 1-7.
The embodiment of the application discloses a shear wall box type assembly type building structure.
Example 1
Referring to fig. 1, the fabricated building structure includes a structural member 1 constituting a building, and the structural member 1 includes a floor 11 and fabricated unit cells 12. Terrace 11 adopts concrete placement shaping on the ground, and the roof level of terrace 11. The assembled unit bodies 12 are arranged on the floor 11 in parallel and are uniformly distributed, a post-cast strip 125 used for cast-in-place concrete is reserved between the adjacent assembled unit bodies 12, and the assembled unit bodies 12 and the floor 11 are fixedly connected through the first connecting component 2. The assembled unit bodies 12 are sequentially stacked upwards to form a plurality of layers according to the requirements of the building floors.
Referring to fig. 2, the fabricated unit body 12 includes an edge beam frame 121 and shear walls 122, and the edge beam frame 121 constitutes a hollow room frame, generally in the shape of a rectangular parallelepiped. In other embodiments, the number and configuration of the side frame 121 may be adjusted according to the number of rooms to be assembled and the layout of the rooms. According to the construction requirement, the shear walls 122 are arranged on the side walls of the boundary beam frame 121 to which the structural support needs to be added, and the number of the shear walls 122 can be one, two or three according to the construction requirement, or even the shear walls 122 are not adopted. The top hollowed-out part of the edge beam frame 121 is provided with a top plate 123, the bottom hollowed-out part of the frame is convenient to be provided with a bottom plate 124, and the edge beam frame 121, the top plate 123, the bottom plate 124 and the shear wall 122 are all formed by integrally pre-pouring concrete.
Referring to fig. 2, 3 and 4, the first connection assembly 2 includes a first connection bar 21, a second connection bar 22 and a grouting sleeve 23. First connecting reinforcement 21 is pre-buried to be fixed in the boundary beam frame 121 of terrace 11 and assembled cell cube 12, and the roof of the vertical roof that stretches out terrace 11 of first connecting reinforcement 21 and the roof of assembled cell cube 12, and the embedded fixing of second connecting reinforcement 22 is in the boundary beam frame 121 of assembled cell cube 12 to from the diapire of boundary beam frame 121 stretches out. The inside cavity of slip casting sleeve 23, the bottom and the top of slip casting sleeve 23 are equipped with the opening unanimous with the size of first connecting reinforcement 21 and second connecting reinforcement 22 respectively, are equipped with grouting hole 24 and grout outlet 25 along slip casting sleeve 23 axial interval on the outer wall of slip casting sleeve 23, and grouting hole 24 and grout outlet 25 all communicate with the inside of slip casting sleeve 23. When the assembled unit body 12 is connected with the lower structural member 1, the grouting sleeve 23 is sleeved at the joint of the second connecting reinforcing steel bars 22 and the first connecting reinforcing steel bars 21 and extends into the grouting sleeve 23 from the upper opening and the lower opening of the grouting sleeve 23 respectively.
When the grouting sleeve 23 is installed, the grouting hole 24 is located below the grout outlet 25, mortar is injected into the grouting sleeve 23 from the grouting hole 24 until the mortar overflows from the grout outlet 25, the grouting hole 24 and the grout outlet 25 are sealed, and the first connecting steel bar 21 and the second connecting steel bar 22 are fixedly molded in the grouting sleeve 23. When the slip casting sleeve 23 is used to connect the first connection bars 21 and the second connection bars 22, the height of the fabricated unit body 12 does not change, so that the installation of the fabricated unit body 12 is more convenient.
After the assembled unit bodies 12 on the floor 11 are paved, the templates are installed on the outer side of the post-cast strip 125, concrete is cast again, and construction of a building is completed.
The implementation principle of the embodiment 1 is as follows: the shear wall 122 and the room integral frame are integrally precast and molded, the assembled unit bodies 12 are integrally hoisted to a construction site for assembly, in the assembly process, post-cast strips 125 are reserved between the adjacent assembled unit bodies 12, after the assembly of one layer of room of the building is completed, post-cast strip 125 templates are built, and concrete is cast in the post-cast strips 125 in situ, so that the building is integrally fixed and molded, the integrity between the shear wall 122 and the room structure is better, and the building construction quality is high.
Example 2
Referring to fig. 5 and 6, embodiment 2 is different from embodiment 1 in that a second connecting member 4 for connecting and fixing the cast-in-place concrete in the post-cast strip 125 is provided on the side wall of the fabricated unit body 12 near the post-cast strip 125.
In this embodiment, the second connection assembly 4 includes the stirrup 31, the stirrup 31 is fixed on the boundary beam frame 121 of the assembled unit body 12 in a pre-buried manner, and the end of the stirrup 31 protrudes out of the surface of the boundary beam frame 121 and then extends into the post-cast strip 125.
In order to make the part of the stirrup 31 protruding out of the edge beam frame 121 hook the cast-in-place concrete layer, the end part of the stirrup 31 far away from the edge beam frame 121 is provided with a bending part 32 so as to increase the connection stability between the stirrup 31 and the cast-in-place concrete layer. And in order to obtain a good fixing effect, the bending angle between the bent part 32 of the stirrup 31 and the part of the stirrup 31 extending out of the edge beam frame 121 should be not less than 90 °. In order to improve the connection strength, the bending portions 32 are longitudinally spaced at a plurality of rows on the outer surface of the shear wall 122, and the bending portions 32 may be paved on the outer surface of the shear wall 122.
The implementation principle of the embodiment 2 is as follows: after the concrete is poured into the post-cast strip 125 until the concrete is solidified, one end of the stirrup 31 is embedded in the assembly unit 12, and the other end is tightly fixed in the cast-in-place concrete layer, so that the connection tightness between the assembly unit 12 and the cast-in-place concrete layer in the post-cast strip 125 is improved.
Example 3
Referring to fig. 5 and 7, embodiment 3 differs from embodiment 2 in that: the stirrups 31 of the adjacent assembled unit bodies 12 in the post-cast strip 125 are staggered with each other along the vertical direction, and longitudinal ribs 33 are vertically inserted in the post-cast strip 125, so that the longitudinal ribs 33 are connected with the bent parts 32 of the stirrups 31 of the two adjacent assembled unit bodies 12.
The stirrups 31 on the side sill frame 121 are arranged in multiple layers at intervals in the vertical direction, and the bent portions 32 on the stirrups 31 are bent at the level of the stirrups 31. The stirrups 31 on the surface facing the post-cast strip 125 on two adjacent assembled unit bodies 12 are distributed in a staggered manner in the vertical direction.
The angle of bending 32 of stirrup 31 is greater than 90 °, and the closed shape is enclosed out to stirrup 31 and the projection of flexion 32 on the horizontal plane on the adjacent assembled cell cube 12, indulges the vertical flexion 32 that crosses each stirrup 31 of interlude of muscle 33 to accessible steel wire is tightened or the spot welding mode, will indulge muscle 33 and fix on stirrup 31.
The implementation principle of the embodiment 3 is as follows: the longitudinal bars 33 are hooked by the stirrups 31 on the assembled unit bodies 12 on the two sides at the same time, and after concrete is cast in situ in the post-cast strip 125, the assembled unit bodies 12 can be connected into a whole through the matching of the longitudinal bars 33 and the stirrups 31, so that the connection integrity between the adjacent assembled unit bodies 12 is improved.
The embodiment of the application also discloses a construction method of the shear wall box type assembly type building. Comprises the following steps.
S1, cleaning the site, building a template of the assembled unit body 12, installing a reinforcement cage in the assembled unit body 12, and hoisting the reinforcement cage into the template to be fixed in place.
S2, pouring concrete into the formwork from bottom to top, when pouring is conducted on each independent frame and the shear wall 122 from the bottom plate 124 to the edge beam frame 121 of the assembled unit body 12, a plurality of grouting pipes are adopted for separate and synchronous grouting, when pouring is conducted on the shear wall 122 in the formwork, multi-layer vibration is conducted, when pouring is conducted on the independent vertical edge beams of the edge beam frame 121, pouring is completed at one time along with synchronous vibration of pouring, and after top plates 123 of the assembled unit body 12 are poured and retracted, water is timely sprayed for maintenance.
S3, performing foundation construction treatment, installing and fixing embedded steel bars in the terrace 11, pouring concrete at one time, and curing and forming.
S4, hoisting the assembled unit bodies 12 to the preset construction position above the floor 11, and connecting and fixing the assembled unit bodies 12 and the floor 11.
In the specific construction process: when the first connecting steel bars 21, the second connecting steel bars 22 and the grouting sleeve 23 are used as the connecting component of the assembled unit body 12 and the lower structural member 1, the assembled unit body 12 is hoisted to be in place, the first connecting steel bars 21 and the second connecting steel bars 22 are coaxially inserted into the grouting sleeve 23, the upper opening and the lower opening of the grouting sleeve 23 are blocked, grouting is performed into the grouting sleeve 23, and the grouting opening and the grout outlet of the grouting sleeve 23 are blocked until mortar overflows from the grout outlet of the grouting sleeve 23, so that the mortar is solidified in the grouting sleeve 23.
And S5, continuing to hoist and assemble the assembled unit bodies 12 at the same height, and reserving a post-cast strip 125 between every two adjacent assembled unit bodies 12. After the same-layer assembled unit bodies 12 are installed in place, templates are installed and built at openings on the outer side of the post-cast strip 125, concrete is poured into the post-cast strip 125, the concrete is vibrated layer by layer in the pouring process, and after the pouring is finished, water is sprayed in time for maintenance.
In the specific construction process: in order to increase the connection stability between the side wall of the assembled unit body 12 and the cast-in-place concrete layer in the post-cast strip 125, a roughening treatment may be performed on the side wall of the assembled unit body 12 close to the post-cast strip 125.
Furthermore, a stirrup 31 is pre-embedded and installed in the edge beam frame 121 of the assembled unit body 12, so that one end of the stirrup 31 extends out of the edge beam frame 121, and the end part of the stirrup 31 extending out of the edge beam frame 121 is bent.
Furthermore, after two adjacent assembled unit bodies 12 are installed to be close to each other, the stirrups 31 on two sides in the post-cast strip 125 are staggered in the vertical direction, and then the longitudinal bars 33 are vertically inserted into the post-cast strip 125, so that the longitudinal bars 33 sequentially pass through the bent parts 32 of the stirrups 31 on the two assembled unit bodies 12, the longitudinal bars 33 and the stirrups 31 can be fixedly processed by steel wire binding or spot welding, and the longitudinal bars 33 can be kept stable in subsequent pouring concrete.
S6, after the post-cast strips 125 between the lower assembled unit bodies 12 are maintained until the hardness reaches the standard, the upper assembled unit bodies 12 are continuously hoisted, the upper assembled unit bodies 12 and the lower assembled unit bodies 12 are connected and fixed, the post-cast strips 125 are reserved between the upper assembled unit bodies 12, mounting templates are built outside the post-cast strips 125, concrete is poured, the concrete is vibrated in layers in the pouring process, and after the pouring is finished, water is timely sprayed for maintenance.
And S7, repeating the step S6 until the building reaches the designated floor, and building roof top-retracting construction.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (7)
1. A shear wall box-type assembled building structure which characterized in that: the assembly type unit structure comprises a structural member (1), wherein the structural member (1) comprises a terrace (11) and an assembly type unit body (12), the assembly type unit body (12) comprises a boundary beam frame (121) and a plurality of shear walls (122), the boundary beam frame (121) is a cuboid, a top plate (123) is arranged at the top of the boundary beam frame (121), a bottom plate (124) is arranged at the bottom of the boundary beam frame (121), and the shear walls (122) are arranged on the side wall of the boundary beam frame (121);
the array is provided with a plurality of assembled cell cube (12) on terrace (11), and is adjacent be provided with post-cast strip (125) that are used for cast in situ concrete between assembled cell cube (12), assembled cell cube (12) have overlapped a plurality of layers, adjacent two-layer along vertical direction on terrace (11) between assembled cell cube (12) and between bottom assembled cell cube (12) and terrace (11) all connect through first coupling assembling (2).
2. A shear wall box assembly building structure according to claim 1, wherein: first coupling assembly (2) include first connecting reinforcement (21), second connecting reinforcement (22) and slip casting sleeve (23), the roof of roof, boundary beam frame (121) of terrace (11) all correspond and are provided with first connecting reinforcement (21), be provided with on the diapire of boundary beam frame (121) second connecting reinforcement (22) that correspond with first connecting reinforcement (21) on boundary beam frame (121), the junction at first connecting reinforcement (21) and second connecting reinforcement (22) is established to slip casting sleeve (23) axle sleeve, be provided with grouting hole (24) and grout outlet (25) along slip casting sleeve (23) length direction from the bottom up interval on the lateral wall of slip casting sleeve (23).
3. A shear wall box assembly building structure according to claim 2, wherein: the side wall of the assembled unit body (12) close to the post-cast strip (125) is provided with a second connecting assembly (3) used for reinforcing the assembled unit body (12), the second connecting assembly (3) comprises stirrups (31), one ends of the stirrups (31) are fixedly connected with the boundary beam frame (121), and the other ends of the stirrups (31) are provided with bending portions (32).
4. A shear wall box assembly building structure according to claim 3, wherein: the two adjacent bending parts (32) of the stirrups (31) on the boundary beam frames (121) are staggered with each other, longitudinal bars (33) are vertically arranged in the post-cast strip (125), and the longitudinal bars (33) penetrate through the bending parts (32) of the stirrups (31) on the boundary beam frames (121) on the two sides.
5. A construction method of a shear wall box type assembly type building is characterized by comprising the following steps:
s1, site cleaning, template building of the assembled unit bodies (12) and hoisting of reinforcement cages in the templates of the assembled unit bodies (12);
s2, pouring concrete into the template of the assembled unit body (12), vibrating in time during pouring, and integrally curing and molding the assembled unit body (12);
s3, constructing a foundation of the terrace (11), installing embedded steel bars, pouring the terrace (11), and maintaining and forming;
s4, hoisting the assembled unit bodies (12) to the upper part of the floor (11) to be in place, and connecting the assembled unit bodies (12) with the floor (11);
s5, orderly hoisting and arranging the assembled unit bodies (12) on the floor (11), reserving a post-cast strip (125) between the contact surfaces of the adjacent assembled unit bodies (12), building and installing templates of the post-cast strip (125), pouring concrete, and maintaining in time;
s6, maintaining and forming the lower-layer assembled unit bodies (12) and the post-cast strip (125) until the hardness reaches the standard, continuously hoisting the upper-layer assembled unit bodies (12), connecting the upper-layer assembled unit bodies (12) and the lower-layer assembled unit bodies (12), reserving the post-cast strip (125) between the upper-layer assembled unit bodies (12), building and installing templates of the post-cast strip (125), pouring concrete, and maintaining in time;
and S7, repeating the step S6 until the building reaches the designated floor, and building roof top-retracting construction.
6. The shear wall box type assembly type building construction method according to claim 5, wherein: s1 middle reinforcement cage is provided with stirrups (31), the stirrups (31) extend out of the template on one side of the assembled unit body (12) close to the post-cast strip (125), one ends of the stirrups (31) extending out of the template of the assembled unit body (12) are bent, and the bending angle of the stirrups (31) is larger than 90 degrees.
7. The shear wall box type assembly type building construction method according to claim 6, wherein: the stirrups (31) bent parts between the adjacent assembled unit bodies (12) in the S5 are staggered with each other, the projections of the stirrups (31) bent parts between the adjacent assembled unit bodies (12) on a horizontal plane form a closed ring, longitudinal reinforcements (33) are vertically inserted into the templates of the vertical assembled unit bodies (12), and the longitudinal reinforcements (33) penetrate through the stirrups (31) bent parts between the adjacent assembled unit bodies (12).
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