CN115928874A - Prefabricated hollow slab-based full-prefabricated assembly type structure system and construction method thereof - Google Patents
Prefabricated hollow slab-based full-prefabricated assembly type structure system and construction method thereof Download PDFInfo
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- CN115928874A CN115928874A CN202310072946.8A CN202310072946A CN115928874A CN 115928874 A CN115928874 A CN 115928874A CN 202310072946 A CN202310072946 A CN 202310072946A CN 115928874 A CN115928874 A CN 115928874A
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- 238000010168 coupling process Methods 0.000 claims 1
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- 230000005611 electricity Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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Abstract
The invention relates to the technical field of building structures, in particular to a prefabricated assembly type structure system based on a prefabricated hollow slab and a construction method thereof, and aims to solve the problems that when the existing prefabricated hollow slab is used as a wallboard, a ring beam of the building system needs to be cast in situ, the production efficiency is low, and the rigidity strength of a connection node of each component is low. The invention provides a prefabricated assembly type structure system based on a prefabricated hollow slab, which comprises: the prefabricated ring beam comprises a prefabricated foundation, an upper wallboard, a lower wallboard, a connecting piece and a prefabricated ring beam; the prefabricated foundation is provided with a groove with an upward opening; the lower wallboard is vertically arranged above the prefabricated foundation and inserted into the groove; the upper wallboard is arranged above the lower wallboard and is connected with the lower wallboard through a prefabricated ring beam; the upper wall plate and the lower wall plate are arranged into hollow core slabs, and the hollow core slabs are provided with through holes; the side edges of the upper wallboard and the lower wallboard, which are parallel to the axis of the through hole, are provided with notches, and the connecting piece is clamped with the notches; the prefabricated ring beam is used for connecting the upper wallboard and the lower wallboard.
Description
Technical Field
The invention relates to the technical field of building structures, in particular to a prefabricated assembly type structure system based on a prefabricated hollow slab and a construction method thereof.
Background
The prefabricated concrete hollow slab is a high-performance building board with high bearing capacity and light dead weight, can be widely applied to various building structure systems, particularly prefabricated prestressed hollow slabs, is particularly suitable for large-span and large-space building structures, and can be freely divided by a user to arrange internal spaces.
The hollow slab of precast concrete is used for the structural floor slab to use more, and few use as bearing wall panel, occasionally use, its constructional column and collar tie beam still adopt cast in situ's form, can consume more manpower and material resources, and each part connected node rigidity intensity is low moreover.
Therefore, when the existing precast hollow slab is used as a wallboard, a ring beam of a building system needs to be poured in place, the production efficiency is low, and the rigidity and the strength of each part connecting node are low.
Disclosure of Invention
The invention aims to provide a prefabricated assembly type structure system based on a prefabricated hollow slab and a construction method thereof, and aims to solve the problems that when the existing prefabricated hollow slab is used as a wallboard, a ring beam of a building system needs to be cast in place, the production efficiency is low, and the rigidity strength of a connection node of each part is low.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
in a first aspect, the present invention provides a prefabricated assembly type structure system based on prefabricated hollow slabs, comprising: the prefabricated ring beam comprises a prefabricated foundation, an upper wallboard, a lower wallboard, a connecting piece and a prefabricated ring beam;
the prefabricated foundation is provided with a groove with an upward opening;
the lower wallboard is vertically arranged above the prefabricated foundation and inserted into the groove;
the upper wallboard is arranged above the lower wallboard and is connected with the lower wallboard through the prefabricated ring beam;
the upper wall plate and the lower wall plate are prefabricated hollow plates, and through holes are formed in the prefabricated hollow plates;
gaps are formed in the side edges, parallel to the axis of the through hole, of the upper wall plate and the lower wall plate, and the connecting piece is clamped with the gaps;
the prefabricated ring beam is used for connecting the upper wallboard and the lower wallboard.
In an alternative embodiment of the method of the invention,
the connecting piece comprises a steel bar connecting part;
the steel bar connecting part comprises a first steel bar net piece and a first connecting column;
the first steel bar net piece is inserted into the first connecting column;
the first connecting post is inserted into the notch.
In an alternative embodiment of the method of the present invention,
the first reinforcing mesh comprises first vertical reinforcing steel bars and first hook-shaped reinforcing steel bars;
the first vertical steel bar is inserted into the first connecting column;
the first hook-shaped reinforcing steel bar extends into the first connecting column and is connected with the first vertical reinforcing steel bar.
In an alternative embodiment of the method of the present invention,
the connector comprises a construction column connection;
the constructional column connecting part comprises a prefabricated constructional column, a second connecting column and a second steel bar net piece;
the second connecting column is inserted into the notch;
the prefabricated construction column is connected with the second connecting column;
and the second steel bar net piece is inserted into the prefabricated constructional column and the second connecting column.
In an alternative embodiment of the method of the invention,
the second reinforcing mesh comprises second vertical reinforcing bars and second hook-shaped reinforcing bars;
the second vertical steel bar is inserted into the second connecting column;
one end of the second hook-shaped reinforcing steel bar extends into the prefabricated constructional column, and the other end of the second hook-shaped reinforcing steel bar extends into the second connecting column and is connected with the second vertical reinforcing steel bar.
In an alternative embodiment of the method of the invention,
the fully prefabricated assembly type structure system based on the prefabricated hollow slab further comprises a floor slab and a pouring layer which are horizontally arranged;
the floor slab is a prefabricated hollow slab;
one end of the pouring layer is inserted into the floor slab, and the other end of the pouring layer is connected with the prefabricated ring beam.
In an alternative embodiment of the method of the present invention,
the top end of the prefabricated ring beam is provided with an upper mortise and tenon, and the bottom of the prefabricated ring beam is provided with a lower mortise and tenon;
the upper mortise and tenon is inserted in the upper wallboard, and the lower mortise and tenon is inserted in the lower wallboard.
In an alternative embodiment of the method of the present invention,
and embedded steel bars are inserted into the top of the prefabricated ring beam, and one ends of the embedded steel bars, which are far away from the prefabricated ring beam, extend into the mortise and tenon.
In an alternative embodiment of the method of the invention,
the thickness of the lower wallboard is smaller than the width of the groove, a gap is formed between the side wall of the lower wallboard and the groove wall of the groove, a wedge is clamped in the gap, and the wedge (110) abuts against the lower wallboard and the groove.
In a second aspect, the invention provides a construction method of a fully prefabricated assembly type structure system based on the prefabricated hollow slab, which comprises the following steps:
step 1: during installation construction, the lower wallboard is inserted into the prefabricated foundation, then the prefabricated ring beam is installed, the mortise and tenon is inserted into the lower wallboard, and the modified epoxy resin structural adhesive is spread on the contact surface of the prefabricated ring beam and the lower wallboard;
and 2, step: when the floor slab and the prefabricated ring beam are required to be connected, the floor slab is placed on the prefabricated ring beam, the contact surface of the floor slab and the prefabricated ring beam is firstly coated with modified epoxy resin structural adhesive, so that the floor slab and the prefabricated ring beam are firmly connected, then concrete is poured into a gap between the floor slab and the prefabricated ring beam, and the integral casting molding is carried out.
By combining the technical scheme, the invention has the technical effects that:
the invention provides a prefabricated hollow slab-based fully-prefabricated assembly type structure system, which comprises: the prefabricated ring beam comprises a prefabricated foundation, an upper wallboard, a lower wallboard, a connecting piece and a prefabricated ring beam; the prefabricated foundation is provided with a groove with an upward opening; the lower wallboard is vertically arranged above the prefabricated foundation and inserted into the groove; the upper wallboard is arranged above the lower wallboard and is connected with the lower wallboard through the prefabricated ring beam; the upper wallboard and the lower wallboard are arranged to be prefabricated hollow slabs, and the prefabricated hollow slabs are provided with through holes; the side edges of the upper wall plate and the lower wall plate parallel to the axis of the through hole are provided with notches, and the connecting piece is clamped with the notches; the prefabricated ring beam is used for connecting the upper wallboard and the lower wallboard.
According to the fully-prefabricated assembly type structure system based on the prefabricated hollow slab, the lower wallboard is inserted into the groove formed in the prefabricated foundation, the upper wallboard is connected with the lower wallboard through the prefabricated ring beam, the upper wallboard and the lower wallboard are both set to be the prefabricated hollow slabs and are provided with the through holes, the through holes at the side ends of the upper wallboard and the lower wallboard are provided with the notches, the connecting pieces are clamped in the notches, the upper wallboard, the lower wallboard, the prefabricated foundation and the prefabricated ring beam can be prefabricated in advance, on-site pouring is not needed, time and labor are saved, meanwhile, the connecting nodes are more stable due to clamping of the notches and the connecting pieces, and the problems that when the existing prefabricated hollow slab is used as a wallboard, the ring beam of a building system needs to be poured on site, the production efficiency is low, and the rigidity strength of the connecting nodes of all parts is low are solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural diagram of a prefabricated hollow slab-based fully prefabricated structural system according to an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 from another angle;
FIG. 3 is a schematic view of the structure of a prefabricated foundation;
FIG. 4 is a schematic structural view of two top wall panels connected together;
FIG. 5 is a top view of FIG. 4;
FIG. 6 is an exploded view of FIG. 4;
FIG. 7 is a schematic view of the upper wall and structural column connection being connected;
FIG. 8 is a top view of FIG. 7;
FIG. 9 is an exploded view of FIG. 7;
FIG. 10 is an enlarged partial schematic view of a construction column connection;
FIG. 11 is an exploded view of the prefabricated girt connected to the upper wall, the lower wall and the floor slab;
FIG. 12 is a schematic structural view of an upper wall, a lower wall and a prefabricated ring beam;
FIG. 13 is a schematic structural view of a prefabricated ring beam;
FIG. 14 is a schematic structural view showing the connection of the prefabricated ring beam and the prefabricated construction column when the node is connected in a straight line shape;
fig. 15 is a schematic structural diagram of connection of the prefabricated ring beam and the prefabricated constructional column when the T-shaped connection node is formed.
An icon: 100-prefabricating a foundation; 110-a wedge; 200-upper wallboard; 300-lower wallboard; 400-a rebar junction; 410-a first rebar mesh; 411-a first vertical rebar; 412-first hook rebar; 420-a first connecting column; 500-construction of a column connection; 510-prefabricating a constructional column; 520-a second connecting column; 530-a second rebar mesh; 531-second vertical rebars; 532-second hook-shaped reinforcing steel bars; 600-prefabricating a ring beam; 610-mortise and tenon mounting; 620-mortise and tenon removal; 630-embedding reinforcing steel bars; 700-floor slab; 800-pouring a layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Some embodiments of the invention are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
At present, the hollow precast concrete slab is used for the structural floor slab more, and few as the use of bearing wallboard, the occasionally use, its constructional column and collar tie beam still adopt cast in situ's form, can consume more manpower and material resources, and each part connected node rigidity intensity is low moreover.
In view of the above, the present invention provides a prefabricated assembly type structure system based on prefabricated hollow slabs, comprising: the prefabricated ring beam comprises a prefabricated foundation 100, an upper wallboard 200, a lower wallboard 300, connecting pieces and prefabricated ring beams 600; the prefabricated foundation 100 is provided with a groove with an upward opening; the lower wall panel 300 is vertically arranged above the prefabricated foundation 100 and inserted into the groove; the upper wall panel 200 is arranged above the lower wall panel 300 and is connected with the lower wall panel 300 through a prefabricated ring beam 600; the upper wall plate 200 and the lower wall plate 300 are arranged into hollow prefabricated plates, and the hollow prefabricated plates are provided with through holes; notches are arranged on the side edges of the upper wall plate 200 and the lower wall plate 300 parallel to the axis of the through hole, and the connecting piece is clamped with the notches; the prefabricated ring beam 600 is used to connect the upper wall panel 200 and the lower wall panel 300.
According to the fully-prefabricated assembly type structure system based on the prefabricated hollow slab, provided by the invention, the lower wall slab 300 is inserted into the groove arranged on the prefabricated foundation 100, the upper wall slab 200 is connected with the lower wall slab 300 through the prefabricated ring beam 600, the upper wall slab 200 and the lower wall slab 300 are both arranged into the prefabricated hollow slab and are provided with through holes, the through holes at the side ends of the upper wall slab 200 and the lower wall slab 300 are provided with notches, the connecting piece is clamped in the notches, the upper wall slab 200, the lower wall slab 300, the prefabricated foundation 100 and the prefabricated ring beam 600 can be prefabricated in advance without cast-in-place, the time and the labor are saved, meanwhile, the connecting nodes are more stable due to the clamping of the notches and the connecting piece, and the problems that when the existing prefabricated hollow slab is used as a wall slab, the ring beam in a building system needs to be cast-in-place, the production efficiency is low, and the rigidity strength of the connecting nodes of each component is low are solved.
The structure and shape of the prefabricated self-insulation building with the prefabricated structure according to the embodiment will be described in detail with reference to fig. 1 to 15.
Regarding the shape and structure of the prefabricated foundation 100, in detail:
in an alternative embodiment, as shown in fig. 3, the prefabricated foundation 100 is provided with a groove with an upward opening, the upper part of the prefabricated foundation 100 may be provided in a cup shape, the lower part of the prefabricated foundation 100 may be provided as a cylinder, and the vertical section width of the cylinder is gradually reduced after being gradually increased from bottom to top, so that the prefabricated foundation 100 is more stable.
Further, the lower wall panel 300 is vertically disposed above the prefabricated foundation 100 and is inserted into the groove.
Further, the thickness of the lower wall plate 300 is smaller than the width of the groove, and the sidewall of the lower wall plate 300 forms a gap with the wall of the groove, and a wedge 110 is clamped in the gap, and the wedge 110 abuts against the lower wall plate 300 and the groove. Specifically, the lower wall panel 300 is configured as a hollow core slab, the thickness of which is determined by design, and the gap is filled with non-shrinkage grouting material after being temporarily fixed by the wedge 110.
Regarding the shape and structure of the upper and lower wall panels 200 and 300, in detail:
in an alternative embodiment, as shown in fig. 1 and 2, the upper wall panel 200 is disposed above the lower wall panel 300, and the upper wall panel 200 and the lower wall panel 300 are disposed as hollow core panels, which are formed with through holes.
Further, the side edges of the upper wall plate 200 and the lower wall plate 300 parallel to the axis of the through hole are provided with notches, and the notches are used for being clamped with the connecting piece. Specifically, the outermost side hole side wall portions of the upper wall panel 200 and the lower wall panel 300 are cut off to form a notch, and the connecting member is engaged with the notch.
Regarding the shape and structure of the connection piece, in detail:
in an alternative embodiment, as shown in fig. 4 and 5, the connector includes a rebar junction 400, the rebar junction 400 including a first rebar mesh 410 and a first connecting post 420. The first reinforcing mesh 410 is inserted into the first connecting column 420, and the first connecting column 420 is inserted into the gap. In addition, the first connection post 420 is molded by casting.
Further, as shown in fig. 6, the first mesh reinforcement 410 includes a first vertical reinforcement 411 and a first hook reinforcement 412, the first vertical reinforcement 411 is inserted into the first connection post 420, and the first hook reinforcement 412 extends into the first connection post 420 and is connected to the first vertical reinforcement 411.
Specifically, the reinforcing bar coupler 400 may be used to couple two adjacent upper wall panels 200 or two adjacent lower wall panels 300. For example, the upper wall panel 200 and the lower wall panel 300 are both prefabricated hollow wall panels, the side wall part of the outermost side hole of each prefabricated hollow wall panel is cut off, the side walls of the adjacent prefabricated hollow wall panels are butted, a first reinforcing mesh 410 is inserted, the first reinforcing mesh 410 comprises two first vertical reinforcing bars 411 and a plurality of first hook-shaped reinforcing bars 412, the first reinforcing mesh 410 is inserted into the outermost side hole of each prefabricated hollow wall panel, and then non-shrinkage fine-stone concrete is poured to enable the horizontally adjacent prefabricated hollow wall panels to form a snap-in connection key and also to be effectively connected.
In addition, adjacent prefabricated hollow wall panels can also be connected in the following manner. The side wall of the prefabricated hollow wall board is concave-convex, the convex rabbet is inserted in the concave rabbet, and the vertical joint between the prefabricated hollow wall boards is sealed by adopting weather-proof silicone structural adhesive.
In an alternative embodiment, as shown in fig. 7, the connector comprises a construction column connector 500, the construction column connector 500 comprises a prefabricated construction column 510, a second connecting column 520 and a second reinforcing mesh piece 530, the second connecting column 520 is inserted into the gap, the prefabricated construction column 510 is connected with the second connecting column 520, and the second reinforcing mesh piece 530 is inserted into the prefabricated construction column 510 and the second connecting column 520. In addition, the bottom of the prefabricated construction post 510 is inserted into the groove, and as shown in fig. 10, the second connection post 520 is formed by casting.
Further, as shown in fig. 8 and 9, the second mesh net 530 includes a second vertical reinforcing bar 531 and a second hook reinforcing bar 532, the second vertical reinforcing bar 531 is inserted into the second connecting column 520, the second hook reinforcing bar 532 is horizontally disposed, one end of the second hook reinforcing bar 532 extends into the prefabricated construction column 510, and the other end thereof extends into the second connecting column 520 and is connected with the second vertical reinforcing bar 531.
Specifically, the thickness of the prefabricated hollow wall panel is equal to that of the prefabricated constructional column 510, the side wall part of the outermost side hole of the prefabricated hollow wall panel is cut off, the side face of the prefabricated constructional column 510 is provided with a second hook-shaped reinforcing steel bar 532, the second hook-shaped reinforcing steel bar 532 can be embedded and extends into the outer side hole of the prefabricated hollow wall panel, a second vertical reinforcing steel bar 531 is inserted into the outermost side hole of the prefabricated hollow wall panel and is connected with the second hook-shaped reinforcing steel bar 532, and then non-shrinkage fine stone concrete is poured to enable the prefabricated hollow wall panel and the prefabricated constructional column 510 to form a biting and connecting key for effective connection.
In addition, in order to increase the compressive bearing capacity of the prefabricated structural column 510, a plurality of vertical steel bars may be disposed in the prefabricated structural column 510, for example, four vertical steel bars may be disposed, a mesh reinforcement is wrapped around the four vertical steel bars, and the second hook-shaped steel bars 532 and the second vertical steel bars 531 are communicated to form a rigid connection node; the prefabricated constructional column 510 is connected with the prefabricated foundation 100 in a conventional slurry anchor lap joint or sleeve grouting connection mode, and for 1-2-layer bottom buildings, the constructional column is prefabricated in full length without connection points; meanwhile, the gap between the bottom of the prefabricated hollow wallboard and the prefabricated foundation 100 is filled with non-shrinkage grouting material.
In an alternative embodiment, the top wall panel 200 is connected to the bottom wall panel 300 by a prefabricated ring beam 600, and the prefabricated ring beam 600 is used to connect the top wall panel 200 and the bottom wall panel 300.
Regarding the shape and structure of the precast ring beam 600, in detail:
prefabricated ring roof beam 600's top is provided with mortise-tenon 610, and the bottom is provided with mortise-tenon 620 down, and mortise-tenon 610 cartridge is in last wallboard 200, and mortise-tenon 620 cartridge is in wallboard 300 down.
Particularly, the cross-section width of prefabricated ring beam 600 is with prefabricated hollow wallboard thickness, and highly is confirmed by the design, and the diameter of going up mortise and tenon 610 and mortise and tenon 620 is slightly less than the aperture on the prefabricated hollow wallboard to insert prefabricated hollow wallboard downtheholely, the space adopts design rubber shock pad to fill. As shown in fig. 12 and 13, when the upper wall panel 200 and the lower wall panel 300 are to be connected, the mortise-tenon 610 provided at the top of the prefabricated ring beam 600 is inserted into the upper wall panel 200, and the mortise-tenon 620 provided at the bottom of the prefabricated ring beam 600 is inserted into the lower wall panel 300.
In addition, the end parts of the upper mortise and tenon 610 and the lower mortise and tenon 620 connected with the prefabricated hollow wall are hemispherical, so that the installation is convenient.
Further, the mortise and tenon 610 may be detachably provided as needed. The top of the prefabricated ring beam 600 is inserted with embedded steel bars 630, and one end of the embedded steel bars 630, which is far away from the prefabricated ring beam 600, extends into the mortise and tenon 610.
Particularly, when the mortise and tenon 610 is the form of can dismantling, vertically be provided with embedded bar 630 on the prefabricated ring roof beam 600, the mortise and tenon 610 is prefabricated alone, and the bottom is left empty, inserts on embedded bar 630 after the injection bar planting glues.
Further, the end of the precast ring beam 600 is connected to the precast construction post 510, and the precast ring beam 600 and the precast construction post 510 may be used in the following manner.
As shown in fig. 14, when the prefabricated ring beam 600 is connected to the upper and lower wall panels 300 and is not connected to the floor slab 700, a straight-line-shaped connection node is formed at this time, a connection hole is formed in the end of the prefabricated ring beam 600, a gap is formed in the hole wall of the connection hole, the position, size and the like of the connection hole are the same as those of the holes without side walls on the outermost sides of the prefabricated hollow wall panels, and are vertically opposite to each other, a second vertical reinforcing steel bar 531 with the full length from the holes of the upper and lower wall panels 300 is arranged in the connection hole, meanwhile, a second hook-shaped reinforcing steel bar 532 embedded horizontally in the prefabricated constructional column 510 is arranged in an encrypted manner, and then non-shrinkage grouting material is poured into the hole to form reliable connection with the prefabricated constructional column 510.
When the prefabricated ring beam 600 is connected with the upper wallboard 300, the lower wallboard 300 and one floor slab 700, a T-shaped connecting node is formed at the moment; when the prefabricated ring beam 600 is connected with the upper and lower wall panels 300 and the two floor slabs 700, the node is a cross-shaped connection node. Taking a floor slab 700 as an example, as shown in fig. 15, similarly, a connecting hole is provided at an end position of the prefabricated ring beam 600, a hole wall of the connecting hole is provided with a gap, the position, size, etc. of the connecting hole are the same as those of the holes without side walls at the outermost sides of the prefabricated hollow wall panels, and are vertically opposite, a second vertical reinforcing steel bar 531 extending through the holes of the upper and lower wall panels 300 is provided in the connecting hole, meanwhile, a second hook-shaped reinforcing steel bar 532 embedded horizontally in the prefabricated structural column 510 is arranged in an encrypted manner, the second hook-shaped reinforcing steel bar 532 positioned at the uppermost side is connected with the embedded reinforcing steel bar 630 of the prefabricated ring beam 600, and then a non-shrink grouting material is poured into the holes to form a reliable connection with the prefabricated structural column 510.
In addition, according to needs, strong current, weak current and water supply and drainage pipelines and connectors can be pre-buried in the prefabricated ring beam 600. Generally, the prefabricated hollow wall panel is six prefabricated holes, and first, sixth hole is between the wallboard, the connecting hole of wallboard and prefabricated constructional column 510, and second, fifth hole are mortise and tenon hole, and third, fourth are the water and electricity wire hole.
In an alternative embodiment, the present embodiment is further provided with a floor slab 700 and a casting layer 800.
Regarding the shape and structure of the floor slab 700 and the casting layer 800, in detail:
One end of the pouring layer 800 is inserted into the floor slab 700, and the other end is connected with the prefabricated ring beam 600. The casting layer 800 is formed by casting.
Specifically, as shown in fig. 11, when a floor slab 700 is further arranged on the lateral side of the precast ring beam 600, an extending edge is arranged upwards at the edge of the precast ring beam 600, the cross section of the main body of the precast ring beam 600 is in a special shape, the floor slab 700 is a precast hollow floor slab, the precast hollow floor slab is placed at a corresponding position on the precast ring beam 600, the placement length is determined by design, after the floor slab 700 is installed, a gap between the precast ring beam 600 and the floor slab 700 and a certain length range in a hole at the end of the floor slab 700 are filled with self-compacting concrete, a tie bar can be additionally arranged in the hole of the floor slab 700 according to design requirements, and the tie bar is connected with a pre-embedded bar 630 on the precast ring beam 600; when the floor slabs 700 are disposed on both sides of the precast ring beam 600, the edge of the precast ring beam 600 is not provided with an extension side, the section of the body of the precast ring beam 600 is rectangular, and similarly, the floor slabs 700 are installed as described above. Of course, mortise and tenon 610 is still used for inserting upper wallboard 200, and mortise and tenon 620 is still used for inserting lower wallboard 300.
In addition, the prefabricated hollow wallboard and the prefabricated hollow floor slab are both prefabricated hollow slabs.
The embodiment provides a brand-new structure system, which is a structure system that the prefabricated hollow slab is simultaneously used as horizontal and vertical bearing components, namely a prefabricated hollow wallboard and a prefabricated hollow floor slab, and the prefabricated hollow wallboard and the prefabricated hollow floor slab are assembled and combined and connected by adopting the prefabricated constructional column 510 and the prefabricated ring beam 600, so that the connection reliability is enhanced, and meanwhile, the tensile resistance and the shear resistance are improved. Meanwhile, each part can adopt a prefabrication mode, and construction efficiency is improved.
The construction method of the prefabricated assembly type structure system based on the prefabricated hollow slab provided by the embodiment comprises the following steps:
step 1: during installation construction, the lower wallboard 300 is inserted into the prefabricated foundation 100, the prefabricated ring beam 600 is installed, the lower mortise and tenon 620 is inserted into the lower wallboard 300, and the modified epoxy resin structural adhesive is spread on the contact surface of the prefabricated ring beam 600 and the lower wallboard 300;
step 2: when the floor slab 700 and the precast ring beam 600 need to be connected, the floor slab 700 is placed on the precast ring beam 600, the contact surface of the floor slab 700 and the precast ring beam 600 is firstly coated with the modified epoxy resin structural adhesive, so that the floor slab 700 and the precast ring beam 600 are firmly connected, then the gap between the floor slab 700 and the precast ring beam 600 is poured with concrete, and the integral casting molding is carried out.
Specifically, in the step 2, the contact surface is coated with the modified epoxy resin structural adhesive, so that the tensile resistance can be provided, and meanwhile, the sliding damage caused by the opposite displacement between the floor slab 700 and the ring beam under the accidental load action such as earthquake can be avoided.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A full precast fabricated structure system based on precast hollow slab, which is characterized by comprising: the prefabricated ring beam comprises a prefabricated foundation (100), an upper wall plate (200), a lower wall plate (300), a connecting piece and a prefabricated ring beam (600);
the prefabricated foundation (100) is provided with a groove with an upward opening;
the lower wallboard (300) is vertically arranged above the prefabricated foundation (100) and is inserted into the groove;
the upper wallboard (200) is arranged above the lower wallboard (300) and is connected with the lower wallboard (300) through the prefabricated ring beam (600);
the upper wall plate (200) and the lower wall plate (300) are arranged to be prefabricated hollow plates, and through holes are formed in the prefabricated hollow plates;
gaps are formed in the side edges, parallel to the axis of the through hole, of the upper wallboard (200) and the lower wallboard (300), and the connecting pieces are clamped with the gaps;
the prefabricated ring beam (600) is used for connecting the upper wall plate (200) and the lower wall plate (300).
2. The prefabricated structural system based on prefabricated hollow slabs of claim 1,
the connector comprises a steel bar connecting part (400);
the rebar connecting part (400) comprises a first rebar mesh (410) and a first connecting column (420);
the first reinforcing mesh (410) is inserted into the first connecting column (420);
the first connecting column (420) is inserted into the notch.
3. The prefabricated hollow slab-based all-prefabricated structural system according to claim 2,
the first mesh of rebars (410) comprises first vertical rebars (411) and first hook-shaped rebars (412);
the first vertical steel bar (411) is inserted into the first connecting column (420);
the first hook-shaped reinforcing bar (412) extends into the first coupling post (420) and is coupled to the first vertical reinforcing bar (411).
4. The prefabricated structural system based on prefabricated hollow slabs of claim 1,
the connector comprises a construction column connection (500);
the construction column connection part (500) comprises a prefabricated construction column (510), a second connection column (520) and a second steel mesh (530);
the second connecting column (520) is inserted into the notch;
the prefabricated construction post (510) is connected with the second connection post (520);
the second reinforcing mesh (530) is inserted into the prefabricated construction column (510) and the second connecting column (520).
5. The fully prefabricated structural system based on precast hollow slabs according to claim 4,
the second rebar mesh (530) includes a second vertical rebar (531) and a second hook rebar (532);
the second vertical steel bar (531) is inserted into the second connecting column (520);
one end of the second hook-shaped reinforcing steel bar (532) extends into the prefabricated construction column (510), and the other end of the second hook-shaped reinforcing steel bar extends into the second connecting column (520), and is connected with the second vertical reinforcing steel bar (531).
6. The prefabricated hollow slab-based all-prefabricated structural system of claim 1, further comprising a horizontally arranged floor slab (700) and a casting layer (800);
the floor slab (700) is arranged as a prefabricated hollow slab;
one end of the pouring layer (800) is inserted into the floor slab (700), and the other end of the pouring layer is connected with the prefabricated ring beam (600).
7. The prefabricated hollow slab-based all-prefabricated structural system according to claim 6,
the top end of the prefabricated ring beam (600) is provided with an upper mortise and tenon (610), and the bottom of the prefabricated ring beam is provided with a lower mortise and tenon (620);
go up mortise and tenon (610) cartridge in last wallboard (200), mortise and tenon (620) cartridge down in wallboard (300).
8. The prefabricated structural system based on prefabricated hollow slabs of claim 7,
the top cartridge of prefabricated ring roof beam (600) has embedded bar (630), embedded bar (630) are kept away from the one end of prefabricated ring roof beam (600) stretches into go up mortise and tenon (610).
9. The prefabricated structural system based on prefabricated hollow slabs of claim 1,
the thickness of wallboard (300) is less than down the width of recess, just the lateral wall of wallboard (300) down with the cell wall of recess forms the clearance, the joint has wedge (110) in the clearance, wedge (110) butt in wallboard (300) down with the recess.
10. A construction method of a prefabricated structure system based on the prefabricated hollow slab as claimed in any one of claims 1 to 9, comprising the steps of:
step 1: during installation construction, the lower wallboard (300) is inserted into the prefabricated foundation (100), then the prefabricated ring beam (600) is installed, the mortise and tenon (620) is inserted into the lower wallboard (300), and modified epoxy resin structural adhesive is spread on the contact surface of the prefabricated ring beam (600) and the lower wall;
step 2: when the floor (700) is required to be connected with the prefabricated ring beam (600), the floor (700) is placed on the prefabricated ring beam (600), modified epoxy resin structural adhesive is firstly coated on the contact surface of the floor (700) and the prefabricated ring beam (600), so that the floor (700) is firmly connected with the prefabricated ring beam (600), then concrete is poured into the gap between the floor (700) and the prefabricated ring beam (600), and the integral casting molding is carried out.
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| CN202310072946.8A CN115928874A (en) | 2023-02-03 | 2023-02-03 | Prefabricated hollow slab-based full-prefabricated assembly type structure system and construction method thereof |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2627085Y (en) * | 2003-08-14 | 2004-07-21 | 王福河 | House fabricated by pillaret and joist hollow load-bearing wall panel |
| CN204001278U (en) * | 2014-03-13 | 2014-12-10 | 株洲博尔曼科技发展有限公司 | A kind of prefabricated assembled self-insulating concrete shear wall system |
| CN105155734A (en) * | 2015-08-19 | 2015-12-16 | 太原理工大学 | Mortise and tenon connection and assembly type self-thermal-insulation hollow shear wall system and hoisting method thereof |
| CN105544798A (en) * | 2016-01-25 | 2016-05-04 | 三新房屋制造股份有限公司 | Assembled-type hollow-slab shear wall structure and construction method thereof |
| CN206015895U (en) * | 2016-08-31 | 2017-03-15 | 青岛新世纪预制构件有限公司 | Prefabricated assembled detachable one off houses |
| EP3263795A1 (en) * | 2016-06-28 | 2018-01-03 | Seng Wong | Composite structural wall and method of construction thereof |
| CN111877600A (en) * | 2020-07-09 | 2020-11-03 | 陈兴涛 | Assembled building block, assembled building block wall and wall construction method |
| CN112663998A (en) * | 2020-12-07 | 2021-04-16 | 河南城建学院 | Tenon-and-mortise connection assembly type light wall farm house and construction method |
| CN213233821U (en) * | 2020-07-23 | 2021-05-18 | 天津市房屋鉴定建筑设计院 | Connecting node of prefabricated shear wall board and cup rim foundation |
-
2023
- 2023-02-03 CN CN202310072946.8A patent/CN115928874A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2627085Y (en) * | 2003-08-14 | 2004-07-21 | 王福河 | House fabricated by pillaret and joist hollow load-bearing wall panel |
| CN204001278U (en) * | 2014-03-13 | 2014-12-10 | 株洲博尔曼科技发展有限公司 | A kind of prefabricated assembled self-insulating concrete shear wall system |
| CN105155734A (en) * | 2015-08-19 | 2015-12-16 | 太原理工大学 | Mortise and tenon connection and assembly type self-thermal-insulation hollow shear wall system and hoisting method thereof |
| CN105544798A (en) * | 2016-01-25 | 2016-05-04 | 三新房屋制造股份有限公司 | Assembled-type hollow-slab shear wall structure and construction method thereof |
| EP3263795A1 (en) * | 2016-06-28 | 2018-01-03 | Seng Wong | Composite structural wall and method of construction thereof |
| CN206015895U (en) * | 2016-08-31 | 2017-03-15 | 青岛新世纪预制构件有限公司 | Prefabricated assembled detachable one off houses |
| CN111877600A (en) * | 2020-07-09 | 2020-11-03 | 陈兴涛 | Assembled building block, assembled building block wall and wall construction method |
| CN213233821U (en) * | 2020-07-23 | 2021-05-18 | 天津市房屋鉴定建筑设计院 | Connecting node of prefabricated shear wall board and cup rim foundation |
| CN112663998A (en) * | 2020-12-07 | 2021-04-16 | 河南城建学院 | Tenon-and-mortise connection assembly type light wall farm house and construction method |
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