CN211775038U - Bolt-joint reinforced precast concrete wallboard, wall structure and structure system of wall structure - Google Patents
Bolt-joint reinforced precast concrete wallboard, wall structure and structure system of wall structure Download PDFInfo
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- CN211775038U CN211775038U CN201922402440.0U CN201922402440U CN211775038U CN 211775038 U CN211775038 U CN 211775038U CN 201922402440 U CN201922402440 U CN 201922402440U CN 211775038 U CN211775038 U CN 211775038U
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Abstract
The utility model provides a bolt strenghthened type precast concrete wallboard, wall structure and structure system thereof, plate body including precast concrete, the plate body includes embedded steel spare and plate body concrete, embedded steel spare includes plate body reinforcing bar and the vertical connecting piece more than two, vertical connecting piece includes steel connecting piece and crab-bolt connecting piece, first pre-buried in the bottom of plate body concrete of steel connecting piece, the plate body concrete is stretched out to the lower half, fixed connection has the horizontal end plate on the bottom face of steel connecting piece, the lower half of crab-bolt connecting piece is pre-buried in the top of plate body concrete, the plate body concrete is stretched out to first of crab-bolt connecting piece, the crab-bolt connecting piece is opened there is the external screw thread, it has the connecting hole that supplies the crab-bolt connecting piece to. The utility model discloses an carry out the crab-bolt connecting piece at the plate body upside and carry out the bolt joint, be convenient for take one's place fast, promote the construction speed, reduce construction human error, when joint strength keeps satisfying the standard, guarantee that construction quality and precision satisfy same effect.
Description
Technical Field
The utility model belongs to the precast concrete field, especially a bolt strenghthened type precast concrete wallboard, connection structure and manufacturing method thereof.
Background
The building industrialization is the key point of national construction and development, the current mainstream structure of the building industrialization is a shear wall structure system that a wall body is a precast concrete wallboard and is connected with an upper part and a lower part by a grouting sleeve, and the problems of high construction quality control difficulty, long construction period, low tensile strength, poor earthquake resistance, poor ductility under the action of an earthquake and easy brittle failure exist. The design, manufacture and construction of the prefabricated concrete structure building points out that the steel bars and the sleeves in the construction site are not aligned, workers bake the steel bars by using gas welding and forcibly bend the steel bars by bending; some PC member connecting nodes are not fully grouted. In order to solve the problems, in the prior art, a mode of increasing a steel connecting piece is adopted, and the shearing resistance and the bending resistance of a horizontal seam are improved. However, in actual construction, the steel connecting piece needs to be welded on site, the requirement on workers is high, and the construction speed is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a bolt strenghthened type precast concrete wallboard, wall structure and structure system thereof will solve among the prior art precast shear wall node district and have the technical problem that the construction quality control degree of difficulty is great, workman's construction ability is uneven and construction cycle is longer.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a bolt-reinforced precast concrete wallboard comprises a precast concrete plate body, wherein the plate body comprises a pre-buried steel piece and plate body concrete,
the embedded steel part comprises a plate body reinforcing steel bar and more than two vertical connecting parts, the plate body reinforcing steel bar comprises a horizontal reinforcing steel bar and a vertical reinforcing steel bar, the vertical connecting parts are discontinuous connecting parts along the longitudinal direction, are embedded in the plate body concrete and are wrapped by the horizontal reinforcing steel bar and the vertical reinforcing steel bar, the vertical connecting parts comprise steel connecting parts and anchor bolt connecting parts, the upper half parts of the steel connecting parts are embedded in the bottom of the plate body concrete, the lower half parts of the steel connecting parts extend out of the plate body concrete, the bottom end face of each steel connecting part is fixedly connected with a horizontal end plate, and the steel connecting parts are profile steel connecting parts, reinforcing steel,
the lower half of crab-bolt connecting piece is pre-buried in the top of plate body concrete, and plate body concrete is stretched out to the first half of crab-bolt connecting piece, the crab-bolt connecting piece is opened there is the external screw thread, it has the connecting hole that supplies the crab-bolt connecting piece to pass to open on the horizontal end plate.
The vertical reinforcing bars extend beyond the slab concrete at least one longitudinal end,
the horizontal reinforcing steel bars are positioned on the front side and the rear side of the plate body concrete, the horizontal reinforcing steel bars extend out of the plate body concrete at least one transverse end part, and the parts extending out of the plate body concrete are in two forms, namely, a closed type connected into a whole or an open type arranged respectively.
The embedded steel part further comprises a horizontal connecting part, the middle part of at least one side of the slab concrete is embedded in the half part of the inner side of the horizontal connecting part, and the slab concrete extends out of the half part of the outer side of the horizontal connecting part.
The longitudinal through length of the slab concrete is provided with at least one inner pouring hole, and the inner pouring hole is positioned between the vertical connecting pieces.
Two sides of the inner pouring hole and the plate body concrete are respectively provided with a monitoring hole, and the monitoring holes are concrete monitoring holes, metal monitoring holes or plastic monitoring holes.
Lateral embedded parts are arranged on the front side and the rear side of the plate body concrete and are connected with lateral temporary supports.
A wall structure of a bolt reinforced precast concrete wallboard comprises an upper layer plate body and a lower layer plate body which are connected into a whole,
the upper plate body and the lower plate body are vertically opposite and are provided with vertical connecting areas in advance, the connecting holes of the horizontal end plate of the upper plate body are aligned with the anchor bolt connecting pieces of the lower plate body in the vertical connecting areas, the anchor bolt connecting pieces penetrate through the connecting holes, the anchor bolt connecting pieces and the upper and lower sides of the horizontal end plate are fastened through nuts,
the vertical steel bars of the upper plate body and the lower plate body are lapped and welded in the vertical connecting area or lapped, anchored and welded through additional steel bars, filling materials are poured in the vertical connecting area and/or behind the inner pouring holes, and the filling materials are concrete or grouting materials and jointly form a wall body structure.
And the inner pouring hole is internally embedded with an inner pouring hole steel bar, and at least one end part of the longitudinal steel bar of the inner pouring hole extends out of the inner pouring hole.
Another kind of wall structure still includes the horizontal node district that is located the plate body both sides, including horizontal node district reinforcing bar and cast-in-place horizontal node district concrete in the horizontal node district, the steel part and/or the reinforcing bar that stretch out the plate body concrete left and right sides all are located horizontal node district to with horizontal node district reinforcing bar fixed connection, fixed connection is overlap joint, welding, muffjoint or bolt joint.
Still include the reinforcing bar in the horizontal node district, form reinforcing bar reinforced concrete, the reinforcing bar sets up in succession, is wrapped up by horizontal node district reinforcing bar, be equipped with the peg on the reinforcing bar, the reinforcing bar includes vertical reinforcing bar and horizontal reinforcing bar, the reinforcing bar is steel sheet, shaped steel or welding steel member.
The shear wall system is formed by the floor slabs and/or the connecting beams which are fixedly connected with the wall structure, wherein the floor slabs are prefabricated reinforced concrete floor slabs, steel bar truss floor slabs, profiled steel sheet cast-in-place reinforced concrete floor slabs or prefabricated reinforced concrete laminated slabs or cast-in-place floor slabs.
Also comprises a frame column, a frame beam and/or a coupling beam which are fixedly connected with the wall structure to form a frame shear wall structure system or a frame core tube structure system,
the frame column is a steel column, a reinforced concrete column, a steel-concrete combined column or a steel-concrete-reinforced combined column; the frame beam is a steel beam, a variable-rigidity steel beam, a precast concrete superposed beam with a connecting piece or a cast-in-place concrete beam; the connecting beam is a steel beam, a variable-rigidity steel beam, a precast concrete superposed beam with a connecting piece or a cast-in-place concrete beam.
The energy dissipation component is an energy dissipation steel beam, a double-connection beam, a restrained steel plate shear wall or a buckling restrained brace.
Compared with the prior art the utility model has the following characteristics and beneficial effect:
the utility model discloses compare among the prior art all adopt the steel part to carry out the on-the-spot welding and compare, adopt and carry out the crab-bolt connecting piece at the plate body upside and carry out the bolt joint, this kind of mode is convenient for take one's place fast on the one hand, promotes the construction speed, reduces construction human error. And the connection strength can meet the standard, and meanwhile, the construction quality and the construction precision can meet the same effect. On the other hand, the monitoring holes for the concrete are arranged to guarantee the concrete pouring quality. Meanwhile, lateral temporary supports are added, and the perpendicularity of the wall can be adjusted.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of an embodiment of the bolt reinforced precast concrete wall panel of the present invention.
Fig. 2 is a schematic cross-sectional view of an open type horizontal reinforcing bar.
Fig. 3 is a schematic cross-sectional view of a closed horizontal rebar.
Fig. 4 is a schematic structural view of the second embodiment of the bolt reinforced precast concrete wall panel of the present invention.
FIG. 5 is a schematic view showing the structure of a section steel coupling member among the steel coupling members.
Fig. 6 is a schematic bottom view of the structure of fig. 5.
Fig. 7 is a schematic structural view of an embodiment of the wall structure of the present invention.
Fig. 8 is an enlarged schematic view of the vertical node area of fig. 7.
Fig. 9 is a schematic cross-sectional view of fig. 8.
Fig. 10 is a schematic structural view of another embodiment of the wall structure of the present invention.
Fig. 11 is a schematic view of a shear wall system in a structural system according to the present invention.
Fig. 12 is a schematic view of a frame shear wall structure in the structure of the present invention.
Fig. 13 is a schematic view showing the structure of a steel bar coupler or a bolt coupler among the steel couplers.
Reference numerals: 1-slab concrete, 2-horizontal steel bars, 3-vertical steel bars, 4-steel connecting pieces, 5-anchor bolt connecting pieces, 6-connecting holes, 7-horizontal connecting pieces, 8-internal pouring holes, 9-monitoring holes, 10-horizontal end plates, 11-upper layer plates, 12-lower-layer slabs, 13-nuts, 14-internal pouring hole steel bars, 15-horizontal node area steel bars, 16-horizontal node area concrete, 17-floor slabs, 18-frame columns, 19-frame beams, 20-filling materials and 21-slab bodies.
Detailed Description
Referring to fig. 1-2, a bolt-reinforced precast concrete wall panel includes a precast concrete slab 21 including embedded steel members and a slab concrete 1.
Pre-buried steel part includes plate body reinforcing bar and the vertical connecting piece more than two, the plate body reinforcing bar includes horizontal reinforcement 2 and vertical reinforcement 3, vertical connecting piece is vertical to be discontinuous connecting piece along vertically, buries in the plate body concrete and by horizontal reinforcement and vertical reinforcement parcel, vertical connecting piece includes steel connecting piece 4 and crab-bolt connecting piece 5, first pre-buried in the bottom of plate body concrete 1 of steel connecting piece, the lower half stretches out plate body concrete 1, and fixed connection has horizontal end plate 10 on the bottom face of steel connecting piece 4. See fig. 5-6.
The lower half of crab-bolt connecting piece 5 is pre-buried in the top of plate body concrete, and plate body concrete is stretched out to the first half of crab-bolt connecting piece 5, crab-bolt connecting piece 5 leads to long division to have the external screw thread, it has the connecting hole 6 that supplies crab-bolt connecting piece 5 to pass to open on the horizontal end plate. The anchor bolt connecting piece comprises a vertical section and a horizontal section, wherein the top of the vertical section is provided with threads, and the horizontal section is connected with the bottom end of the vertical section. In this embodiment, the number of the steel connecting members 4 is two, and the number of the anchor bolt connecting members 5 is four or two, and each pair of the anchor bolt connecting members is arranged at a position corresponding to the steel connecting members 4 up and down.
In this embodiment, the steel connecting members 4 are formed steel connecting members, the horizontal end plates are rectangular plates, as shown in fig. 13, in other embodiments, the steel connecting members may be formed by steel bar connecting members or bolt connecting members, the horizontal end plates are also formed by rectangular plates, each steel connecting member is fixedly connected with two steel connecting members, and the steel connecting members are located between the anchor bolt connecting members 5.
The vertical reinforcement 3 extends beyond the slab concrete 1 at both longitudinal ends. Horizontal reinforcing bar 2 is located plate body concrete 1's front and back both sides, horizontal reinforcing bar 2 stretches out outside plate body concrete 1 at least one horizontal tip, and the part that stretches out outside plate body concrete 1 is two kinds of forms, is the closed or open type that sets up respectively that links into an organic whole respectively. See fig. 2-3.
The longitudinal through length of the plate body concrete 1 is provided with an inner pouring hole 8 of concrete, and the inner pouring hole 8 is positioned between the vertical connecting pieces.
Referring to fig. 3-4, different from the first embodiment, the embedded steel member further includes a horizontal connecting member 7, wherein an inner half portion of the horizontal connecting member 7 is embedded in middle portions of two sides of the slab concrete 1, and an outer half portion of the horizontal connecting member 7 extends out of the slab concrete 1. Two sides of the inner pouring hole 8 and the plate body concrete 1 are respectively provided with a monitoring hole 9, and the monitoring holes are concrete monitoring holes, metal monitoring holes or plastic monitoring holes.
Lateral embedded parts are arranged on the front side and the rear side of the plate body concrete 1 and are connected with lateral temporary supports.
Referring to fig. 7 to 9, a wall structure of a bolt reinforced precast concrete wall panel includes an upper plate body 11 and a lower plate body 12 which are integrally connected.
The upper plate body and the lower plate body are vertically opposite to each other and are reserved with vertical connection areas, the connecting holes of the horizontal end plates of the upper plate body are aligned to the anchor bolt connecting pieces 5 of the lower plate body in the vertical connection areas, the anchor bolt connecting pieces 5 penetrate through the connecting holes, and the anchor bolt connecting pieces 5 are fastened with the upper side and the lower side of the horizontal end plates 10 through nuts 13.
The vertical steel bars 3 of the upper plate body and the lower plate body are fixedly connected in the vertical connecting area, the filling material 20 is poured in the vertical connecting area and/or behind the inner pouring hole, and the filling material is concrete or grouting material and jointly forms a wall structure.
And an internal pouring hole steel bar 14 is embedded in the internal pouring hole, and two end parts of the longitudinal steel bar of the internal pouring hole extend out of the internal pouring hole.
Referring to fig. 10, the wall structure further includes horizontal node areas located on two sides of the slab body, the horizontal node areas include horizontal node area reinforcing steel bars 15 and cast-in-place horizontal node area concrete 16, and steel members and/or reinforcing steel bars extending out of the left side and the right side of the slab body concrete 1 are located in the horizontal node areas and fixedly connected with the horizontal node area reinforcing steel bars 15.
Still include the reinforcing bar in the horizontal node district, form reinforcing bar reinforced concrete, the reinforcing bar sets up in succession, is wrapped up by horizontal node district reinforcing bar, be equipped with the peg on the reinforcing bar, the reinforcing bar includes vertical reinforcing bar and horizontal reinforcing bar, the reinforcing bar is steel sheet, shaped steel or welding steel member.
Referring to fig. 11, the structural system of the wall structure further includes a floor slab 17 and/or a coupling beam fixedly connected to the wall structure to form a shear wall system, where the floor slab is a prefabricated reinforced concrete floor slab, a steel bar truss floor slab, a profiled steel sheet cast-in-place reinforced concrete floor slab, a prefabricated reinforced concrete laminated slab or a cast-in-place floor slab.
Referring to fig. 12, the shear wall structure system further includes a frame column 18, a frame beam 19 and/or a coupling beam fixedly connected to the wall structure to form a frame shear wall structure system or a frame core tube structure system, where the frame column is a steel column, a reinforced concrete column, a steel-concrete composite column or a steel-concrete-reinforced composite column; the frame beam is a steel beam, a variable-rigidity steel beam, a precast concrete superposed beam with a connecting piece or a cast-in-place concrete beam; the connecting beam is a steel beam, a variable-rigidity steel beam, a precast concrete superposed beam with a connecting piece or a cast-in-place concrete beam.
In other embodiments, the energy dissipation member is fixedly connected with the wall structure, and the energy dissipation member is an energy dissipation steel beam, a double-link beam, a restrained steel plate shear wall or an anti-buckling support.
In other embodiments, the structural system further comprises a foundation, and a seismic isolation cushion is added between the foundation and the wall structure or the frame column.
The utility model discloses in connection between the reinforcing bar, all including welding, overlap joint or muffjoint.
Claims (10)
1. The utility model provides a bolt strenghthened type precast concrete wallboard, includes precast concrete's plate body (21), its characterized in that: the plate body comprises an embedded steel piece and plate body concrete (1),
the embedded steel part comprises a plate body reinforcing steel bar and more than two vertical connecting pieces, the plate body reinforcing steel bar comprises a horizontal reinforcing steel bar (2) and a vertical reinforcing steel bar (3), the vertical connecting pieces are discontinuous connecting pieces along the longitudinal direction, are embedded in the plate body concrete and are wrapped by the horizontal reinforcing steel bar and the vertical reinforcing steel bar, the vertical connecting pieces comprise steel connecting pieces (4) and anchor bolt connecting pieces (5), the upper half parts of the steel connecting pieces are embedded in the bottom of the plate body concrete (1), the lower half parts of the steel connecting pieces extend out of the plate body concrete (1), the bottom end surfaces of the steel connecting pieces (4) are fixedly connected with horizontal end plates (10),
the lower half part of the anchor bolt connecting piece (5) is embedded in the top of the plate body concrete, the upper half part of the anchor bolt connecting piece (5) extends out of the plate body concrete, the anchor bolt connecting piece (5) is provided with an external thread, the horizontal end plate is provided with a connecting hole (6) for the anchor bolt connecting piece (5) to pass through,
the vertical reinforcement (3) extends beyond the slab concrete (1) at least one longitudinal end.
2. The bolted reinforced precast concrete wall panel of claim 1, wherein: horizontal reinforcing bar (2) are located plate body concrete (1) front and back both sides, horizontal reinforcing bar (2) are outside at least one horizontal tip stretches out plate body concrete (1), and the part that stretches out outside plate body concrete (1) is two kinds of forms, is the closed or open type that sets up respectively that links into an organic whole respectively.
3. The bolted reinforced precast concrete wall panel of claim 1, wherein: the embedded steel part further comprises a horizontal connecting piece (7), the middle part of at least one side of the concrete slab (1) is embedded in the half part of the inner side of the horizontal connecting piece (7), and the half part of the outer side of the horizontal connecting piece (7) extends out of the concrete slab (1).
4. The bolted reinforced precast concrete wall panel of claim 1, wherein: at least one inner pouring hole (8) for concrete is formed in the longitudinal through length of the plate body concrete (1), the inner pouring hole (8) is positioned between the vertical connecting pieces,
two sides of the inner pouring hole (8) and the plate body concrete (1) are respectively provided with a monitoring hole (9), and the monitoring holes are concrete monitoring holes, metal monitoring holes or plastic monitoring holes.
5. A wall structure, characterized in that: comprising two pieces of the reinforced precast concrete wall panel of any one of claims 1 to 4, an upper panel body (11) and a lower panel body (12) which are integrally connected,
the upper plate body and the lower plate body are vertically opposite and are provided with vertical connecting areas in advance, connecting holes of the horizontal end plate of the upper plate body are aligned to anchor bolt connecting pieces (5) of the lower plate body in the vertical connecting areas, the anchor bolt connecting pieces (5) penetrate through the connecting holes, the upper sides and the lower sides of the anchor bolt connecting pieces (5) and the horizontal end plate (10) are fastened through nuts (13),
the vertical steel bars (3) of the upper plate body and the lower plate body are fixedly connected in the vertical connecting area, and filling materials (20) are poured in the vertical connecting area and/or behind the inner pouring holes, wherein the filling materials are concrete or grouting materials and jointly form a wall structure.
6. The wall structure of claim 5, wherein: and an internal pouring hole steel bar (14) is embedded in the internal pouring hole, and at least one end part of the longitudinal steel bar of the internal pouring hole extends out of the internal pouring hole.
7. The wall structure according to claim 5 or 6, wherein: the concrete slab further comprises horizontal node areas positioned on two sides of the slab body, wherein the horizontal node areas comprise horizontal node area reinforcing steel bars (15) and cast-in-place horizontal node area concrete (16), steel parts and/or reinforcing steel bars extending out of the left side and the right side of the slab body concrete (1) are positioned in the horizontal node areas,
still include the reinforcing bar in the horizontal node district, form reinforcing bar reinforced concrete, the reinforcing bar sets up in succession, is wrapped up by horizontal node district reinforcing bar, be equipped with the peg on the reinforcing bar, the reinforcing bar includes vertical reinforcing bar and horizontal reinforcing bar, the reinforcing bar is steel sheet, shaped steel or welding steel member.
8. An architecture, characterized by: the wall structure of any one of claims 5 to 7, further comprising floor slabs (17) and/or coupling beams fixedly connected to the wall structure to form a shear wall system, wherein the floor slabs are prefabricated reinforced concrete floor slabs, steel bar truss floor slabs, profiled steel sheet cast-in-place reinforced concrete floor slabs or prefabricated reinforced concrete laminated slabs or cast-in-place floor slabs.
9. The architecture of claim 8, wherein: also comprises a frame column (18), a frame beam (19) and/or a coupling beam which are fixedly connected with the wall structure to form a frame shear wall structure system or a frame core tube structure system,
the frame column is a steel column, a reinforced concrete column, a steel-concrete combined column or a steel-concrete-reinforced combined column; the frame beam is a steel beam, a variable-rigidity steel beam, a precast concrete superposed beam with a connecting piece or a cast-in-place concrete beam; the connecting beam is a steel beam, a variable-rigidity steel beam, a precast concrete superposed beam with a connecting piece or a cast-in-place concrete beam.
10. The architecture according to claim 8 or 9, characterized in that: the energy dissipation component is an energy dissipation steel beam, a double-connection beam, a restrained steel plate shear wall or a buckling restrained brace.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922402440.0U CN211775038U (en) | 2019-12-27 | 2019-12-27 | Bolt-joint reinforced precast concrete wallboard, wall structure and structure system of wall structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922402440.0U CN211775038U (en) | 2019-12-27 | 2019-12-27 | Bolt-joint reinforced precast concrete wallboard, wall structure and structure system of wall structure |
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| CN211775038U true CN211775038U (en) | 2020-10-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110424566A (en) * | 2019-07-17 | 2019-11-08 | 姚攀峰 | Reinforced precast concrete wall panel, concrete walls, structural system and engineering method are poured in one kind |
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2019
- 2019-12-27 CN CN201922402440.0U patent/CN211775038U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110424566A (en) * | 2019-07-17 | 2019-11-08 | 姚攀峰 | Reinforced precast concrete wall panel, concrete walls, structural system and engineering method are poured in one kind |
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