CN214498251U - Assembled concrete elevator shaft section of thick bamboo - Google Patents
Assembled concrete elevator shaft section of thick bamboo Download PDFInfo
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- CN214498251U CN214498251U CN202120044952.9U CN202120044952U CN214498251U CN 214498251 U CN214498251 U CN 214498251U CN 202120044952 U CN202120044952 U CN 202120044952U CN 214498251 U CN214498251 U CN 214498251U
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Abstract
The utility model discloses an assembled concrete elevator shaft, which comprises a plurality of layers of elevator shaft units, wherein the adjacent two layers of elevator shaft units are fixedly butted through a vertical reinforced bar grout anchor butt joint; the elevator shaft unit comprises a prefabricated component without a hole and a prefabricated component with a hole, wherein the two ends of the prefabricated component without the hole and the prefabricated component with the hole are connected, the junction of the two ends of the prefabricated component without the hole and the two ends of the prefabricated component with the hole are fixedly connected through vertical post-cast concrete, and the top surface of the prefabricated component without the hole is fixedly connected through hidden beam post-cast concrete. The utility model discloses can realize the prefabricated assembly of elevator pit shaft, reduce the on-the-spot post-cast concrete operation, improve reinforcing bar butt joint's installation quality and efficiency.
Description
Technical Field
The utility model belongs to the technical field of the assembled concrete structure, concretely relates to assembled concrete elevator well section of thick bamboo.
Background
The fabricated concrete shear wall structure generally adopts a cast-in-place concept, and in order to ensure structural integrity and anti-seismic performance, for elevator shaft components, considering anti-seismic requirements and the limitation of on-site hoisting equipment capacity, a cast-in-place concrete structure is generally adopted, so that the technical advantages of precast concrete cannot be fully exerted, and meanwhile, the large wet workload of on-site casting concrete is caused, and the quality is not favorably ensured and the efficiency is improved.
In addition, the vertical steel bar connection of the current assembly type concrete shear wall structure generally adopts steel bar sleeve grouting connection, and due to the restriction of technical characteristics, higher requirements are provided for the prefabrication and installation precision, the material performance and the quality of workers, so that quality problems are frequent, and the structural performance is questioned. If the shear wall is applied to the assembled concrete elevator shaft, the vertical steel bars of the elevator shaft are more dense than the common shear wall due to the larger reinforcement amount of the elevator shaft, and the hidden quality trouble of the shear wall is more prominent.
Therefore, in order to promote scientific and healthy development of the fabricated concrete shear wall structure, a new fabricated concrete elevator shaft structure technology is urgently required to be sought, the technical limitation of a full cast-in-place elevator shaft is broken through, the post-cast concrete operation on site is reduced as much as possible, the technical advantages of precast concrete are fully exerted, and the integral performance of the structure is ensured; meanwhile, a new reliable steel bar connecting method needs to be explored to avoid the technical problems of high precision requirement and difficult installation and construction of the steel bar sleeve grouting connecting method and improve the prefabrication and installation efficiency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome not enough among the prior art, provide an assembled concrete elevator shaft, realize elevator shaft prefabrication and assemble, reduce the on-the-spot post concrete operation of pouring, improve reinforcing bar butt joint's installation quality and efficiency.
The utility model provides a following technical scheme:
an assembled concrete elevator shaft comprises a plurality of layers of elevator shaft units, wherein the adjacent two layers of elevator shaft units are butted and fixed through vertical reinforced bar grout anchor butt joints;
the elevator shaft unit comprises a prefabricated component without a hole and a prefabricated component with a hole, wherein the two ends of the prefabricated component without the hole and the prefabricated component with the hole are connected, the junction of the two ends of the prefabricated component without the hole and the two ends of the prefabricated component with the hole are fixedly connected through vertical post-cast concrete, and the top surface of the prefabricated component without the hole is fixedly connected through hidden beam post-cast concrete.
Preferably, the prefabricated part without the opening and the prefabricated part with the opening comprise a part body and a plurality of vertical butt joint reinforcing steel bars which penetrate through the part body, a plurality of reinforcing steel bar butt joint assemblies are arranged below the inside of the part body, the top ends of the vertical butt joint reinforcing steel bars extend out of the upper surface of the part body, and the bottom ends of the vertical butt joint reinforcing steel bars are inserted into the reinforcing steel bar butt joint assemblies; when the upper and lower layers of elevator shaft units are mutually butted and fixed, the top end of the lower layer of vertical butt joint reinforcing steel bar is inserted into the upper layer of reinforcing steel bar butt joint assembly and is fixedly butted with the bottom end of the vertical butt joint reinforcing steel bar to form a vertical reinforcing steel bar grout anchor butt joint.
Preferably, the vertical butt-jointed reinforcing steel bars are upset reinforcing steel bars.
Preferably, the steel bar butt joint assembly comprises a corrugated pipe and a steel bar cage arranged on the periphery of the corrugated pipe, the vertical butt joint steel bars and the lower-layer vertical butt joint steel bars are inserted from the upper end and the lower end of the corrugated pipe respectively to be in butt joint fixation, and grouting materials are filled in the corrugated pipe when the vertical butt joint steel bars and the lower-layer vertical butt joint steel bars are in butt joint fixation.
Preferably, the steel reinforcement cage comprises a rib steel bar and a spiral steel bar which are fixedly connected, the rib steel bar and the vertical butt-joint steel bar are arranged in parallel, and the spiral steel bar is spirally wound on the periphery of the corrugated pipe.
Preferably, the cross section of the prefabricated part without the hole and the cross section of the prefabricated part with the hole are U-shaped or L-shaped.
Preferably, horizontally distributed reinforcing steel bars are embedded in the component body without the prefabricated component with the opening and the prefabricated component with the opening, and the horizontally distributed reinforcing steel bars extend out of two ends of the component body; and binding horizontal connecting steel bars at the intersection of two ends of the prefabricated part without the opening and the prefabricated part with the opening, and overlapping the extending parts of the horizontally distributed steel bars.
Preferably, vertical lap-joint reinforcing steel bars are bound at the intersection of two ends of the prefabricated component without the opening and the prefabricated component with the opening, the top ends of the vertical lap-joint reinforcing steel bars extend out of the upper surface of the component body without the prefabricated component with the opening and the prefabricated component with the opening, and the bottom ends of the vertical lap-joint reinforcing steel bars are lapped with the extending parts of the lower vertical lap-joint reinforcing steel bars.
Preferably, the top surfaces of the precast elements without the hole openings and the precast elements with the hole openings are bound with hidden beam longitudinal ribs and hidden beam stirrups, and concrete is poured after the hidden beams are poured to form the closed ring beam.
An assembling method of an assembled concrete elevator shaft comprises the following steps:
producing prefabricated parts without holes and prefabricated parts with holes;
arranging a base slurry layer on the top surface of a finished elevator shaft unit of the lower layer, and installing a prefabricated part without an opening and a prefabricated part with an opening in place to enable vertical butt joint reinforcing steel bars of the lower layer to be inserted into reinforcing steel bar butt joint assemblies at corresponding positions of the upper layer;
pouring grouting materials into the steel bar butt joint assembly to enable the vertical butt joint steel bars on the upper layer to be in butt joint with the vertical butt joint steel bars on the lower layer to be fixed, so that a vertical steel bar grout anchor butt joint is formed, and vertical connection is formed;
pouring vertical post-cast concrete at the intersection of two ends of the prefabricated component without the opening and the prefabricated component with the opening, and pouring hidden beams on the top surface of the prefabricated component without the opening and the prefabricated component with the opening to form horizontal connection;
and repeating the steps to butt and fix the elevator shaft units of a plurality of layers to finish the assembly of the concrete elevator shaft.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model provides an assembled concrete elevator shaft, including a plurality of layers of elevator shaft units, realize the butt joint fixedly through vertical steel bar thick liquid anchor butt joint between the adjacent two-layer elevator shaft unit, connect reliably, the installation effectiveness is high, and because its great aperture, longer thick liquid anchor length, its quality is better than steel bar sleeve grout connection, the cost is lower;
(2) the elevator shaft unit in the utility model comprises a prefabricated component without a hole and a prefabricated component with a hole, which are connected at two ends, the intersection of the two ends of the prefabricated component without the hole and the prefabricated component with the hole forms a fixed connection by vertical post-pouring concrete, and the top surface forms a fixed connection by post-pouring concrete through a hidden beam, so that the continuous force transfer of the steel bars horizontally distributed in the component can be realized, and the whole elevator shaft structure is formed on the basis;
(3) the utility model provides an assembled concrete elevator shaft and assembly method thereof realizes elevator shaft prefabrication and assembles, reduces the on-the-spot post-cast concrete operation, has formed the assembled elevator shaft structure that anti-seismic performance is reliable, the prefabricated advantage is obvious, has scale popularization and application prospect.
Drawings
FIG. 1 is a schematic structural view of a fabricated concrete elevator shaft;
FIG. 2 is a schematic structural view of a prefabricated component without an opening;
FIG. 3 is a schematic structural view of a prefabricated member with an opening;
fig. 4 is a schematic structural view of a reinforcing bar docking assembly;
FIG. 5 is a schematic structural view of a reinforcement cage;
labeled as: 1. a lower completed elevator shaft unit; 2. vertically butting reinforcing steel bars; 3. lower layer vertical lap steel bar; 4. a base slurry layer; 5. a prefabricated part without a hole; 6. prefabricated parts with holes; 7. the lower layer is vertically butted with a steel bar; 8. a bellows; 9. reinforcing steel bars of the upper bars; 10. a spiral rib; 11. grouting material; 12. horizontally distributing steel bars; 13. horizontally connecting the reinforcing steel bars; 14. vertically overlapping reinforcing steel bars; 15. vertically post-pouring concrete; 16. hidden beam longitudinal ribs; 17. hidden beam hooping; 18. and (5) pouring concrete behind the hidden beam.
Detailed Description
The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
It should be noted that, in the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", etc. indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, and are only for convenience of description of the present invention but do not require the present invention to be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.
As shown in fig. 1, the assembled concrete elevator shaft comprises a plurality of layers of elevator shaft units, and the adjacent two layers of elevator shaft units are butted and fixed through vertical reinforced bar grout anchor butt joints; the elevator shaft unit comprises a prefabricated component 5 without a hole and a prefabricated component 6 with a hole, wherein the two ends of the prefabricated component 5 without the hole and the two ends of the prefabricated component 6 with the hole are connected, the junction of the two ends of the prefabricated component 5 without the hole and the two ends of the prefabricated component 6 with the hole are fixedly connected through vertical post-cast concrete 15, and the top surface of the prefabricated component is fixedly connected through hidden beam post-cast concrete 18.
As shown in fig. 1 to 3, the prefabricated part 5 without the opening and the prefabricated part 6 with the opening comprise a member body and a plurality of vertical butt joint reinforcing steel bars 2 which are arranged in the member body in a penetrating manner, a plurality of reinforcing steel bar butt joint assemblies are arranged below the inside of the member body, the top ends of the vertical butt joint reinforcing steel bars 2 extend out of the upper surface of the member body, and the bottom ends of the vertical butt joint reinforcing steel bars 2 are inserted into the reinforcing steel bar butt joint assemblies; when the upper and lower two-layer elevator shaft units are mutually butted and fixed, the top end of the lower layer of vertical butt joint reinforcing steel bar 7 is inserted into the upper layer of reinforcing steel bar butt joint assembly and is fixedly butted with the bottom end of the vertical butt joint reinforcing steel bar 2 to form a vertical reinforcing steel bar grout anchor butt joint.
As shown in fig. 1, 4 and 5, the vertical butt-jointed reinforcing steel bar 2 adopts an upset head reinforcing steel bar, so that the length of the reinforced bar grout anchor can be reduced, and materials are saved. The steel bar butt joint assembly comprises a corrugated pipe 8 and a steel bar cage arranged on the periphery of the corrugated pipe 8, the vertical butt joint steel bars 2 and the lower-layer vertical butt joint steel bars 7 are inserted from the upper end and the lower end of the corrugated pipe 8 respectively for butt joint and fixation, and grouting materials 11 are filled in the corrugated pipe 8 during butt joint and fixation; the reinforcement cage comprises an upper bar reinforcement 9 and a spiral reinforcement 10 which are fixedly connected, the upper bar reinforcement 9 is arranged in parallel with the vertical butt-joint reinforcement 2, and the spiral reinforcement 10 is spirally wound on the periphery of the corrugated pipe 8; the embedded corrugated pipe 8 is used as a hole reserving material, economy and convenience are achieved, a reinforcement cage formed by the rib reinforcements 9 and the spiral reinforcements 10 is adopted, manufacturing is simple, and continuous force transmission of the vertical reinforcement mortar anchor butt joint can be achieved.
As shown in fig. 1 to 3, the cross-sectional shapes of the prefabricated member without opening 5 and the prefabricated member with opening 6 are U-shaped or L-shaped, and the forms of the members can be selected according to actual conditions to improve the prefabrication and installation efficiency, and are U-shaped in the embodiment.
As shown in fig. 1 to 3, horizontally distributed reinforcing steel bars 12 are embedded in the component body without the prefabricated component 5 with the opening and the prefabricated component 6 with the opening, and the horizontally distributed reinforcing steel bars 12 extend out of two ends of the component body; horizontal connecting steel bars 13 are bound at the intersection of the two ends of the prefabricated part 5 without the opening and the prefabricated part 6 with the opening and are lapped with the extending parts of the horizontally distributed steel bars 12, so that the horizontal connecting strength of the prefabricated part 5 without the opening and the prefabricated part 6 with the opening is improved.
As shown in fig. 1 to 3, vertical lap-joint reinforcing steel bars 14 are bound at the intersection of two ends of the prefabricated component without the opening 5 and the prefabricated component with the opening 6, the top ends of the vertical lap-joint reinforcing steel bars 14 extend out of the upper surface of the component body without the prefabricated component without the opening 5 and the prefabricated component with the opening 6, the bottom ends of the vertical lap-joint reinforcing steel bars are lapped with the extending part of the lower vertical lap-joint reinforcing steel bar 3, and the horizontal connection strength of the prefabricated component without the opening 5 and the prefabricated component with the opening 6 is improved.
As shown in figure 1, hidden beam longitudinal ribs 16 and hidden beam stirrups 17 are bound on the top surfaces of the prefabricated parts 5 without the openings and the prefabricated parts 6 with the openings, concrete 18 is poured after the hidden beams are poured to form closed ring beams, and the structural integrity of the elevator shaft is further enhanced.
As shown in fig. 1 to 5, the present embodiment also provides an assembling method of a fabricated concrete elevator shaft, including the steps of:
1) producing prefabricated parts 5 without holes and prefabricated parts 6 with holes near factories or construction sites, embedding corrugated pipes 8 below the inner parts of the component bodies, and arranging rib reinforcing steel bars 9 and spiral reinforcing steel bars 10 on the outer sides of the corrugated pipes;
2) arranging a mortar layer 4 on the top surface of a finished elevator shaft unit 1 on the lower layer, and installing a prefabricated part 5 without a hole and a prefabricated part 6 with a hole in place to enable a vertical butt-joint reinforcing steel bar 7 on the lower layer to be inserted into a corrugated pipe 8 on the corresponding position on the upper layer;
3) pouring a high-strength grouting material 11 into the corrugated pipe 8, so that the upper-layer vertical butt-joint reinforcing steel bars 2 and the lower-layer vertical butt-joint reinforcing steel bars 7 are in butt joint and fixed to form a vertical reinforcing steel bar grout anchor butt joint, and vertical connection is formed;
4) binding vertical lap steel bars 14 and horizontal connecting steel bars 13 at the intersection of two ends of the prefabricated part 5 without the opening and the prefabricated part 6 with the opening, respectively lapping with the extending parts of the vertical lap steel bars of the lower layer and the extending parts of the horizontal distribution steel bars 12, and pouring vertical post-poured concrete 15 to form horizontal connection;
5) binding hidden beam longitudinal bars 16 and hidden beam stirrups 17 on the top surfaces of the prefabricated parts 5 without the openings and the prefabricated parts 6 with the openings, pouring concrete 18 after pouring the hidden beams to form closed ring beams;
6) and repeating the steps to butt and fix the elevator shaft units of a plurality of layers to finish the assembly of the concrete elevator shaft.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.
Claims (9)
1. An assembled concrete elevator shaft is characterized by comprising a plurality of layers of elevator shaft units, wherein the adjacent two layers of elevator shaft units are butted and fixed through vertical reinforced bar grout anchor butt joints;
the elevator shaft unit comprises a prefabricated component without a hole and a prefabricated component with a hole, wherein the two ends of the prefabricated component without the hole and the prefabricated component with the hole are connected, the junction of the two ends of the prefabricated component without the hole and the two ends of the prefabricated component with the hole are fixedly connected through vertical post-cast concrete, and the top surface of the prefabricated component without the hole is fixedly connected through hidden beam post-cast concrete.
2. The assembled concrete elevator shaft according to claim 1, wherein the prefabricated components without openings and with openings comprise a component body and a plurality of vertical butt-joint reinforcing steel bars which penetrate through the component body, a plurality of reinforcing steel bar butt-joint assemblies are arranged below the interior of the component body, the top ends of the vertical butt-joint reinforcing steel bars extend out of the upper surface of the component body, and the bottom ends of the vertical butt-joint reinforcing steel bars are inserted into the reinforcing steel bar butt-joint assemblies;
when the upper and lower layers of elevator shaft units are mutually butted and fixed, the top end of the lower layer of vertical butt joint reinforcing steel bar is inserted into the upper layer of reinforcing steel bar butt joint assembly and is fixedly butted with the bottom end of the vertical butt joint reinforcing steel bar to form a vertical reinforcing steel bar grout anchor butt joint.
3. The fabricated concrete elevator shaft of claim 2, wherein the vertical butt-joint reinforcing steel bars are upset-headed reinforcing steel bars.
4. The assembly type concrete elevator shaft according to claim 2, wherein the reinforcement butt joint assembly comprises a corrugated pipe and a reinforcement cage arranged on the periphery of the corrugated pipe, the vertical butt joint reinforcements and the lower-layer vertical butt joint reinforcements are inserted from the upper end and the lower end of the corrugated pipe respectively to be in butt joint and fixed, and grouting materials are filled in the corrugated pipe during butt joint and fixing.
5. An assembled concrete elevator shaft as claimed in claim 4, wherein the reinforcement cage includes fixedly connected wall bars and spiral bars, the wall bars being disposed parallel to the vertical butt bars, the spiral bars being helically wound around the circumference of the corrugated tube.
6. The fabricated concrete elevator shaft according to claim 1, wherein the cross-sectional shapes of the non-holed prefabricated member and the holed prefabricated member are U-shaped or L-shaped.
7. The fabricated concrete elevator shaft according to claim 1, wherein horizontal distribution reinforcing steel bars are embedded in the member body without the prefabricated member with the opening and the prefabricated member with the opening, and the horizontal distribution reinforcing steel bars extend out of two ends of the member body; and binding horizontal connecting steel bars at the intersection of two ends of the prefabricated part without the opening and the prefabricated part with the opening, and overlapping the extending parts of the horizontally distributed steel bars.
8. The fabricated concrete elevator shaft as claimed in claim 1, wherein vertical lap-joint bars are tied at the junctions of the two ends of the prefabricated members without openings and the prefabricated members with openings, the top ends of the vertical lap-joint bars extend out of the upper surface of the body of the prefabricated members without openings and the prefabricated members with openings, and the bottom ends of the vertical lap-joint bars are overlapped with the extending parts of the lower vertical lap-joint bars.
9. The fabricated concrete elevator shaft according to claim 1, wherein the top surfaces of the prefabricated members without the opening and the prefabricated members with the opening are bound with hidden beam longitudinal ribs and hidden beam stirrups, and the hidden beams are poured with concrete to form closed ring beams.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120044952.9U CN214498251U (en) | 2021-01-08 | 2021-01-08 | Assembled concrete elevator shaft section of thick bamboo |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120044952.9U CN214498251U (en) | 2021-01-08 | 2021-01-08 | Assembled concrete elevator shaft section of thick bamboo |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214498251U true CN214498251U (en) | 2021-10-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120044952.9U Active CN214498251U (en) | 2021-01-08 | 2021-01-08 | Assembled concrete elevator shaft section of thick bamboo |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214498251U (en) |
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2021
- 2021-01-08 CN CN202120044952.9U patent/CN214498251U/en active Active
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