CN115324196A - Low-rise fabricated concrete structure system - Google Patents
Low-rise fabricated concrete structure system Download PDFInfo
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- CN115324196A CN115324196A CN202211060487.3A CN202211060487A CN115324196A CN 115324196 A CN115324196 A CN 115324196A CN 202211060487 A CN202211060487 A CN 202211060487A CN 115324196 A CN115324196 A CN 115324196A
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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
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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
- E04B1/02—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements
- E04B1/04—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements the elements consisting of concrete, e.g. reinforced concrete, or other stone-like material
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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
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
- E04B2/64—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of concrete
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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
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
- E04B5/04—Load-carrying floor structures formed substantially of prefabricated units with beams or slabs of concrete or other stone-like material, e.g. asbestos cement
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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
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
- E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
- E04B5/38—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
The invention discloses a low-rise fabricated concrete structure system which comprises a prefabricated drawing hole hidden column, a prefabricated drawing hole shear wall, a prefabricated drawing hole beam, a prefabricated floor slab and a roof cast-in-place concrete layer, wherein a plurality of vertically arranged first preformed holes are formed in the prefabricated drawing hole hidden column and the prefabricated drawing hole shear wall respectively, a first steel pipe is inserted into each first preformed hole, a first grouting layer is formed in each first steel pipe in a cast-in-place mode, first vertical connecting steel bars are embedded in each first grouting layer, a plurality of vertically arranged second preformed holes and second vertical connecting steel bars embedded in the centers of the second preformed holes are formed in the prefabricated drawing hole beam, a second steel pipe is inserted into each second preformed hole, and a second grouting layer is formed in each second steel pipe in a cast-in-place mode. The first vertical connecting structure and the second vertical connecting structure have strong bearing capacity and strong horizontal shearing resistance, can improve the connection stability among a plurality of precast concrete components, and solves the problem of large dead weight of the existing precast concrete components.
Description
Technical Field
The invention belongs to the technical field of prefabricated buildings, and particularly relates to a low-rise prefabricated concrete structure system.
Background
The assembly type building has the characteristics of production standardization, construction mechanization and management informatization, the development of the assembly type building can greatly save resources, actively promote technical innovation, improve the building quality and promote transformation and upgrade of building enterprises, is the fundamental transformation of a building production mode from extensive production to intensive production, and is an inevitable way and a development direction of the modernization of the building industry. In recent years, the assembly type building is rapidly developed in China, but the following defects exist: 1. the assembly rate is improved, the field wet workload is reduced, the self weight of the precast concrete component is caused, and the safety of field hoisting assembly is difficult to guarantee; 2. the common vertical connecting structure only depends on embedded steel bars and a post-cast high-strength grouting material layer, and has the defects of insufficient connecting strength and poor stability in the practical application process; therefore, it is desirable to provide a low-rise fabricated concrete structural system that is convenient for field fabrication and reliable in connection.
Disclosure of Invention
The invention aims to solve the technical problem of providing a low-rise prefabricated concrete structure system aiming at the defects in the prior art, which is reasonable in design, has strong bearing capacity of a first vertical connecting structure and a second vertical connecting structure and strong horizontal shearing resistance, can improve the connection stability among a plurality of prefabricated concrete components, solves the problem of heavy dead weight of the existing prefabricated concrete components, and can improve the assembly precision of a prefabricated drainage hole hidden column and a prefabricated drainage hole shear wall in the horizontal and vertical directions.
In order to solve the technical problems, the invention adopts the technical scheme that: a low-rise fabricated concrete structure system is characterized in that: including prefabricated hole hidden column and connection prefabricated hole shear force wall of taking out on the prefabricated hole hidden column of taking out, prefabricated hole beam and the prefabricated floor of taking out have all been laid on the top of prefabricated hole hidden column of taking out on the prefabricated hole shear force wall of taking out the top of hole shear force wall of taking out, prefabricated hole beam of taking out with connect through cast in situ profiled's roofing cast in situ concrete layer between the prefabricated floor, the inside of prefabricated hole hidden column of taking out with the inside of prefabricated hole shear force wall of taking out all is provided with a plurality of vertical first preformed holes of laying, first preformed hole cartridge has first steel pipe, cast in situ profiled has first grout layer in the first steel pipe, embedded first vertical connecting reinforcement in the first steel pipe, the inside of prefabricated hole beam of taking out is provided with a plurality of vertical second preformed holes of laying and pre-buried in the second vertical preformed hole connecting reinforcement at second preformed hole center, the second steel pipe cartridge has the second steel pipe, cast in situ profiled has the second cast in situ concrete layer, prefabricated hole beam on two prefabricated hole and prefabricated horizontal connecting reinforcement is all the side of prefabricated hole beam and four horizontal connecting reinforcement on the prefabricated annular steel pipe, the horizontal plane of prefabricated hole connecting reinforcement is connected at the side or the prefabricated floor.
The low-rise fabricated concrete structure system is characterized in that: an assembly convex block is arranged on one assembly surface of the prefabricated drawing hole hidden column, a reserved through hole which is vertically distributed and matched with the first reserved hole is arranged on the assembly convex block, and an assembly notch matched with the assembly convex block is arranged on one assembly surface of the prefabricated drawing hole shear wall.
The low-rise fabricated concrete structure system is characterized in that: and prefabricated drawing hole beam mounting grooves are formed in the top ends of the prefabricated drawing hole hidden columns and the top ends of the prefabricated drawing hole shear walls.
The low-rise fabricated concrete structure system is characterized in that: the prefabricated hole drawing shear wall is characterized in that rectangular yielding channels communicated with the first reserved holes are formed in the inner side face of the bottom end of the prefabricated hole drawing shear wall, the number of the rectangular yielding channels is equal to that of the first steel pipes installed on the prefabricated hole drawing shear wall, and the rectangular yielding channels correspond to the first steel pipes one by one.
The low-rise fabricated concrete structure system is characterized in that: the prefabricated floor slab comprises a plurality of horizontal annular connecting steel bars which are pre-buried on any one side face of the prefabricated floor slab, and horizontal straight bars are pre-buried on four side faces of the prefabricated floor slab and are located below the horizontal annular connecting steel bars.
Compared with the prior art, the invention has the following advantages:
1. according to the invention, the plurality of first preformed holes which are vertically distributed are arranged in the prefabricated hidden column and the prefabricated shear wall, and the plurality of second preformed holes which are vertically distributed are arranged in the prefabricated hole-drawing beam, so that the prefabricated hidden column, the prefabricated hole-drawing shear wall and the prefabricated hole-drawing beam are all prefabricated concrete components in practical use, and the first preformed holes and the second preformed holes can play a role of lightening holes, so that the weight of hoisting the prefabricated hidden column, the prefabricated hole-drawing shear wall or the prefabricated hole-drawing beam can be lightened, and the problem of large self weight of the existing prefabricated concrete components is solved.
2. According to the invention, the assembling convex block is arranged on one assembling surface of the prefabricated drawing hole hidden column, the assembling notch is arranged on one assembling surface of the prefabricated drawing hole shear wall, and during actual assembling, the assembling precision of the prefabricated drawing hole hidden column and the prefabricated drawing hole shear wall in the horizontal and vertical directions can be improved through the matching between the assembling convex block and the assembling notch.
3. In the first connecting node in the step 202 and the second connecting node in the step 302, a first vertical connecting structure is formed by a first vertical connecting steel bar, a first steel pipe and a first grouting layer, and the connection between the prefabricated extraction hole hidden column and the prefabricated extraction hole shear wall, the connection between the prefabricated extraction hole hidden column and the prefabricated extraction hole beam or between the prefabricated extraction hole shear wall and the prefabricated extraction hole beam can be realized by utilizing a plurality of first vertical connecting structures; in a third connecting node in the fourth step, a second vertical connecting structure is formed by a second vertical connecting steel bar, a second steel pipe and a second grouting layer, and the prefabricated floor slab and the prefabricated hole-drawing beam can be connected by using a plurality of second vertical connecting structures; compared with the vertical connecting structure in the prior art, the bearing capacity of the first vertical connecting structure and the second vertical connecting structure is strong, the horizontal shearing resistance is strong, and the connecting stability among a plurality of precast concrete members can be improved.
4. The construction method has reasonable design, high construction safety and convenient popularization and application.
In conclusion, the first vertical connecting structure and the second vertical connecting structure have strong bearing capacity and strong horizontal shearing resistance, can improve the connection stability of a plurality of precast concrete components, solves the problem of heavy dead weight of the existing precast concrete components, and can improve the assembly precision of the precast hidden column and the precast hole shear wall in the horizontal and vertical directions.
The invention is described in further detail below with reference to the figures and examples.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic view of the connection relationship between the prefabricated extraction hole hidden column and the prefabricated extraction hole shear wall.
Fig. 3 is a schematic view of the connection relationship among the prefabricated hole-drawing shear wall, the prefabricated hole-drawing beam and the prefabricated floor slab.
Fig. 4 is a schematic view of the connection relationship between the prefabricated extraction hole hidden column, the prefabricated extraction hole beam and the prefabricated floor slab.
Fig. 5 is a schematic structural diagram of a first connection node according to the present invention.
Fig. 6 is a schematic view showing a connection relationship between the second connection node and the precast floor slab according to the present invention.
Fig. 7 is a schematic structural diagram of a third connection node according to the present invention.
Description of reference numerals:
1-a first vertical connecting bar; 2-a first steel tube; 3-a first grouting layer;
4, prefabricating a hidden column with a drawing hole; 4-1-assembling the bumps; 4-1-reserving a through hole;
5, prefabricating a hole-drawing shear wall; 5-1-assembly gap; 5-2-rectangular abdicating channel;
6, prefabricating a hole-drawing beam; 7, prefabricating a floor slab; 8-first preformed hole;
9-second preformed hole; 10-a second vertical connecting steel bar; 11-a second steel tube;
12-a second grouting layer; 13-horizontal ring-shaped connecting steel bars; 14-horizontal straight ribs;
15, prefabricating a hole drawing beam mounting groove; 16-roofing cast-in-place concrete layer.
Detailed Description
As shown in fig. 1 to 7, the prefabricated cast-in-place concrete floor slab comprises a prefabricated hole-drawing embedded column 4 and a prefabricated hole-drawing shear wall 5 connected to the prefabricated hole-drawing embedded column 4, prefabricated hole-drawing beams 6 and prefabricated floor slabs 7 are respectively laid at the top end of the prefabricated hole-drawing shear wall 5 and the top end of the prefabricated hole-drawing embedded column 4, a plurality of vertically laid first preformed holes 8 are respectively formed in the top end of the prefabricated hole-drawing embedded column 4, the top end of the prefabricated hole-drawing shear wall 5, the prefabricated hole-drawing beams 6 and the prefabricated floor slabs 7 through cast-in-place roof cast-in-place concrete 16, the first preformed holes 8 are inserted in the first steel pipes 2, a first grouting layer 3 is formed in the first steel pipes 2 in a cast-in-place manner, first vertical connecting steel bars 1 are pre-buried in the first grouting layer 3, a plurality of vertically laid second preformed holes 9 and second preformed holes 9 are vertically arranged in the prefabricated hole-drawing embedded column 6, second preformed holes 9 are connected to the second preformed holes 9, horizontal connecting steel pipes 13 are connected to the second preformed holes 11, and horizontal connecting steel bars 13 are respectively inserted in the prefabricated hole-casting steel pipes 12, and the prefabricated hole-in the prefabricated hole-drawing shear wall 7, and the prefabricated hole-casting steel bars 13 are connected to the prefabricated hole-in the prefabricated hole-embedded steel bars 13.
In this embodiment, through the inside of prefabricated hole hidden column 4 of taking out with the inside of prefabricated hole shear wall 5 all sets up a plurality of vertical first preformed holes 8 of laying, through set up a plurality of vertical second preformed holes 9 of laying in the inside of prefabricated hole beam 6 of taking out, during the in-service use, prefabricated hole hidden column 4 of taking out, prefabricated hole shear wall 5 of taking out and prefabricated hole beam 6 of taking out are the precast concrete component, and first preformed holes 8 and second preformed holes 9 can play the effect of lightening hole, can alleviate the hoist and mount prefabricated hole hidden column 4 of taking out, prefabricated hole shear wall 5 of taking out or prefabricated hole beam 6's weight, have solved current precast concrete component big problem of dead weight.
During actual construction, when assembling the prefabricated blind hole column 4 and the prefabricated shear wall 5, a first preformed hole 8 required for assembling needs to be selected from a plurality of first preformed holes 8 formed in the prefabricated shear wall 5, and when assembling the prefabricated blind hole column 4 and the prefabricated shear wall 6 or the prefabricated shear wall 5 and the prefabricated shear wall 6, a first required preformed hole 8 needs to be selected from a plurality of first preformed holes 8 formed in the prefabricated blind hole column 4 or the prefabricated shear wall 5, because: on prefabricated hole hidden column 4 and prefabricated hole shear force wall 5 of taking out, it is a plurality of some first preformed holes 8 in the first preformed holes 8 all need use as the lightening hole throughout, and some first preformed holes 8 all need not the first steel pipe of cartridge 2 throughout, and is a plurality of first preformed holes 8 pore diameter structure is complete the same, has the prefabricated advantage of being convenient for prefabricated hole hidden column 4 and prefabricated hole shear force wall 5 of taking out.
During actual construction, when assembling between the prefabricated hole-drawing embedded column 4 and the prefabricated hole-drawing shear wall 5, between the prefabricated hole-drawing embedded column 4 and the prefabricated hole-drawing beam 6 or between the prefabricated hole-drawing shear wall 5 and the prefabricated hole-drawing beam 6, a first vertical connecting structure is formed by the first vertical connecting steel bar 1, the first steel pipe 2 and the first grouting layer 3, and the connection between the prefabricated hole-drawing embedded column 4 and the prefabricated hole-drawing shear wall 5, between the prefabricated hole-drawing embedded column 4 and the prefabricated hole-drawing beam 6 or between the prefabricated hole-drawing shear wall 5 and the prefabricated hole-drawing beam 6 can be realized by utilizing a plurality of first vertical connecting structures; when the prefabricated floor slab 7 and the prefabricated holed beam 6 are assembled, a second vertical connecting structure is formed by a second vertical connecting steel bar 10, a second steel pipe 11 and a second grouting layer 12, and the prefabricated floor slab 7 and the prefabricated holed beam 6 can be connected by utilizing a plurality of second vertical connecting structures; compared with the vertical connecting structure in the prior art, the bearing capacity of the first vertical connecting structure and the second vertical connecting structure is strong, the horizontal shearing resistance is strong, and the connecting stability among a plurality of precast concrete members can be improved.
As shown in fig. 3 and 4, in this embodiment, an assembly convex block 4-1 is disposed on one assembly surface of the prefabricated pull-out hole hidden column 4, a reserved through hole 4-1-1 vertically disposed and matched with the first reserved hole 8 is disposed on the assembly convex block 4-1, and an assembly notch 5-1 matched with the assembly convex block 4-1 is disposed on one assembly surface of the prefabricated pull-out hole shear wall 5.
In the embodiment, the assembling convex block 4-1 is arranged on one assembling surface of the prefabricated hole-drawing hidden column 4, the assembling notch 5-1 is arranged on one assembling surface of the prefabricated hole-drawing shear wall 5, and during actual assembling, the assembling precision of the prefabricated hole-drawing hidden column 4 and the prefabricated hole-drawing shear wall 5 in the horizontal and vertical directions can be improved through the matching between the assembling convex block 4-1 and the assembling notch 5-1.
As shown in fig. 2, in this embodiment, prefabricated hole-drawing beam installation grooves 15 are formed at the top end of the prefabricated hole-drawing embedded column 4 and the top end of the prefabricated hole-drawing shear wall 5.
As shown in fig. 1, fig. 2, and fig. 3, in this embodiment, a rectangular yielding channel 5-2 that is communicated with the first preformed hole 8 is formed on an inner side surface of a bottom end of the prefabricated pull hole shear wall 5, and the number of the rectangular yielding channels 5-2 is equal to the number of the first steel pipes 2 installed on the prefabricated pull hole shear wall 5, and the rectangular yielding channels are in one-to-one correspondence with the first steel pipes.
In this embodiment, a rectangular abdicating channel 5-2 is formed on the inner side surface of the bottom end of the prefabricated hole-drawing shear wall 5, and the rectangular abdicating channel 5-2 is communicated with the first preformed hole 8, so as to: the horizontal hoisting of the prefabricated hole-drawing shear wall 5 is facilitated, the first vertical connecting steel bars 1 of the prefabricated hole-drawing shear wall 5 of the next layer can enter the first reserved holes 8 of the prefabricated hole-drawing shear wall 5 of the previous layer through the rectangular abdicating channels 5-2, the prefabricated hole-drawing shear wall 5 of the previous layer does not need to be hoisted to the top of the first vertical connecting steel bars 1 of the prefabricated hole-drawing shear wall 5 of the next layer to be up, and the collision between the prefabricated hole-drawing shear wall 5 of the previous layer and the first vertical connecting steel bars 1 of the prefabricated hole-drawing shear wall 5 of the next layer can be avoided.
As shown in fig. 1, fig. 3, and fig. 5 to fig. 7, in this embodiment, the number of horizontal annular connecting bars 13 pre-buried on any one side surface of the precast floor slab 7 is plural, horizontal straight bars 14 are pre-buried on four side surfaces of the precast floor slab 7, and the horizontal straight bars 14 are located below the horizontal annular connecting bars 13.
In this embodiment, the horizontal annular connecting steel bars 13 are sleeved on the first steel pipe 2 or the second steel pipe 11, so that the prefabricated floor slab 7 can be connected with the prefabricated extraction hidden column 4, the prefabricated extraction shear wall 5 and the prefabricated extraction beam 6 at the top in a preliminary horizontal positioning manner, and after the roof cast-in-place concrete layer 16 is formed in a cast-in-place manner, the connecting strength between the roof cast-in-place concrete layer 16 and the prefabricated floor slab 7 can be improved by the horizontal annular connecting steel bars 13 and the horizontal straight bars 14.
As shown in fig. 1, in actual construction, the construction method of the low-rise fully-assembled concrete-pumped hole shear wall structure system includes the following steps:
step one, hoisting the prefabricated hidden column 4 with the extracted hole:
hoisting the prefabricated extraction hole hidden column 4, and connecting the prefabricated extraction hole hidden column 4, the prefabricated ground beam and the prefabricated bottom plate in a socket grouting connection mode;
step two, hoisting the prefabricated hole-drawing shear wall 5 and constructing a first connecting node:
the first connecting node refers to a connecting node formed between the prefabricated drawing hole hidden column 4 and the prefabricated drawing hole shear wall 5; the specific construction process comprises the following steps:
step 201, hoisting the prefabricated hole-drawing shear wall 5 along the horizontal direction to enable an assembly bump 4-1 to be matched with an assembly gap 5-1;
step 202, selecting a first preformed hole 8 required by a first connection node from a plurality of first preformed holes 8 arranged on the prefabricated hole-drawing shear wall 5, inserting a first steel pipe 2 into the first preformed hole 8 required by the first connection node, temporarily fixing the first vertical connection steel bar 1 in the first steel pipe 2, pouring high-strength grouting material into the first steel pipe 2 to form a first grouting layer 3, completing construction of the first connection node, and realizing connection between the prefabricated hole-drawing hidden column 4 and the prefabricated hole-drawing shear wall 5;
step three, hoisting the prefabricated hole-drawing beam 6 and constructing a second connecting joint:
the prefabricated hole-drawing embedded column 4 and the prefabricated hole-drawing beam 6 form a connecting node, and the prefabricated hole-drawing shear wall 5 and the prefabricated hole-drawing beam 6 form a connecting node; the specific construction process comprises the following steps:
step 301, hoisting the prefabricated hole-drawing beam 6 to enable one end of the prefabricated hole-drawing beam 6 to be clamped in the prefabricated hole-drawing beam mounting groove 15;
step 302, selecting a first preformed hole 8 required by the second connection node from a plurality of first preformed holes 8 arranged on the prefabricated extraction hole hidden column 4 or the prefabricated extraction hole shear wall 5, inserting the first steel pipe 2 into the first preformed hole 8 required by the second connection node, temporarily fixing the first vertical connection steel bar 1 in the first steel pipe 2, pouring high-strength grouting material into the first steel pipe 2 to form a first grouting layer 3, completing construction of the second connection node, and realizing connection between the prefabricated extraction hole hidden column 4 and the prefabricated extraction hole beam 6 or between the prefabricated extraction hole shear wall 5 and the prefabricated extraction hole beam 6;
step four, hoisting the prefabricated floor slab 7 and constructing a third connecting joint:
the third connecting node refers to a connecting node formed between the prefabricated perforated beam 6 and the prefabricated floor slab 7; the specific construction process comprises the following steps:
step 401, hoisting the prefabricated floor slab 7, and sleeving the horizontal annular connecting steel bars 13 of the prefabricated floor slab 7 on the first steel pipe 2 which is poured with the high-strength grouting material in the step 202 and the step 302;
402, inserting a second steel pipe 11 into a second preformed hole 9, temporarily fixing a second vertical connecting steel bar 10 in the second steel pipe 11, pouring high-strength grouting material into the second steel pipe 11 to form a second grouting layer 12, completing construction of a third connecting node, and realizing connection between the prefabricated floor slab 7 and the prefabricated hole-drawing beam 6;
step five, constructing a roof cast-in-place concrete layer 16:
and (3) casting micro-expansion fine aggregate concrete in a casting cavity formed among the prefabricated drawing hole hidden columns 4, the prefabricated drawing hole shear walls 5, the prefabricated drawing hole beams 6 and the prefabricated floor slabs 7, and forming a roof cast-in-place concrete layer 16.
In this embodiment, in step 201, when the prefabricated tapped shear wall 5 is hoisted in the horizontal direction, the outer leakage end of the first vertical connecting steel bar 1 of the prefabricated tapped shear wall 5 of the next layer enters the second preformed hole 9 of the prefabricated tapped shear wall 5 of the current hoisting layer through the rectangular abdication channel 5-2;
in step 202, after the high-strength grouting material is poured into the first steel pipe 2 to form the first grouting layer 3, mortar needs to be filled into the rectangular abdicating channel 5-2, and the rectangular abdicating channel 5-2 is blocked.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any simple modifications, changes and equivalent structural changes made to the above embodiment according to the technical essence of the present invention still fall within the protection scope of the technical solution of the present invention.
Claims (5)
1. A low-rise fabricated concrete structure system is characterized in that: the prefabricated hole-drawing shear wall comprises a prefabricated hole-drawing embedded column (4) and a prefabricated hole-drawing shear wall (5) connected to the prefabricated hole-drawing embedded column (4), wherein a prefabricated hole-drawing beam (6) and a prefabricated floor slab (7) are laid on the top end of the prefabricated hole-drawing shear wall (5) and the top end of the prefabricated hole-drawing embedded column (4), the top end of the prefabricated hole-drawing shear wall (5), the prefabricated hole-drawing beam (6) and the prefabricated floor slab (7) are connected through a cast-in-place roof concrete layer (16), a plurality of vertically arranged first preformed holes (8) are arranged in the prefabricated hole-drawing embedded column (4) and the prefabricated hole-drawing shear wall (5), first preformed hole (8) cartridge has first steel pipe (2), cast-in-place shaping has first grout blanket (3) in first steel pipe (2), pre-buried first vertical connecting reinforcement (1) that has in first grout blanket (3), the inside of prefabricated extraction roof beam (6) is provided with a plurality of vertical second preformed holes (9) of laying and pre-buried second vertical connecting reinforcement (10) at second preformed hole (9) center, second steel pipe (11) are equipped with in second preformed hole (9) interpolation, cast-in-place shaping has second grout blanket (12) in second steel pipe (11), on two terminal surfaces of prefabricated extraction roof beam (6) with four sides of prefabricated floor (7) incline Horizontal annular connecting steel bars (13) are pre-embedded in the surface, and the horizontal annular connecting steel bars (13) are sleeved on the first steel pipe (2) or the second steel pipe (11).
2. A low-rise fabricated concrete structural system according to claim 1, wherein: an assembly convex block (4-1) is arranged on one assembly surface of the prefabricated drawing hole hidden column (4), a reserved through hole (4-1-1) which is vertically distributed and matched with the first reserved hole (8) is arranged on the assembly convex block (4-1), and an assembly notch (5-1) matched with the assembly convex block (4-1) is arranged on one assembly surface of the prefabricated drawing hole shear wall (5).
3. A low-rise prefabricated concrete structure system according to claim 1, wherein: and prefabricated hole drawing beam mounting grooves (15) are formed in the top ends of the prefabricated hole drawing hidden columns (4) and the top ends of the prefabricated hole drawing shear walls (5).
4. A low-rise fabricated concrete structural system according to claim 1, wherein: the steel tube drawing structure is characterized in that a rectangular yielding channel (5-2) communicated with the first preformed hole (8) is formed in the inner side face of the bottom end of the prefabricated drawing hole shear wall (5), the number of the rectangular yielding channels (5-2) is equal to that of the first steel tubes (2) installed on the prefabricated drawing hole shear wall (5), and the rectangular yielding channels correspond to the first steel tubes one by one.
5. A low-rise fabricated concrete structural system according to claim 1, wherein: the number of the horizontal annular connecting steel bars (13) pre-embedded on any one side face of the prefabricated floor slab (7) is multiple, horizontal straight steel bars (14) are pre-embedded on four side faces of the prefabricated floor slab (7), and the horizontal straight steel bars (14) are located below the horizontal annular connecting steel bars (13).
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| CN202211060487.3A CN115324196B (en) | 2022-08-31 | 2022-08-31 | Low-layer assembled concrete structure system |
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| CN202211060487.3A CN115324196B (en) | 2022-08-31 | 2022-08-31 | Low-layer assembled concrete structure system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116479997A (en) * | 2023-04-28 | 2023-07-25 | 中国人民解放军陆军工程大学 | A kind of high-resistance rib-attached assembled bullet-shielding layer and its preparation method |
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| CN115324196B (en) | 2024-02-09 |
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