CN210369030U - Split-assembled L-shaped prefabricated retaining wall - Google Patents
Split-assembled L-shaped prefabricated retaining wall Download PDFInfo
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- CN210369030U CN210369030U CN201921003400.2U CN201921003400U CN210369030U CN 210369030 U CN210369030 U CN 210369030U CN 201921003400 U CN201921003400 U CN 201921003400U CN 210369030 U CN210369030 U CN 210369030U
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Abstract
The utility model discloses a split-assembled L-shaped prefabricated retaining wall, which is formed by splicing a plurality of retaining wall segments; each prefabricated retaining wall segment includes a corresponding vertical wall unit and a corresponding floor unit; grooves are arranged at the positions, connected with the corresponding vertical wall units, on the bottom plate units; concave keys are arranged on two side walls of the groove, and a plurality of rigid cushion blocks are uniformly distributed at the bottom of the groove; the bottom plate unit is provided with a plurality of embedded steel bars which are uniformly distributed along the length direction of the groove at positions corresponding to the bottom of the groove; the lower ends of the vertical wall units are provided with convex tenons corresponding to the corresponding grooves; the vertical wall units are provided with a plurality of extending steel bars corresponding to the positions around the corresponding convex tenons; gaps are reserved between the outer contour of the convex tenon and the corresponding side walls of the groove; the gap is filled with high-strength and high-toughness concrete for fixing. The utility model discloses both can make prefabricated barricade structure have better atress performance, can satisfy and erect wall and bottom plate atress performance under about normal use stage and earthquake, have better durability again.
Description
Technical Field
The utility model relates to a retaining wall builds technical field, in particular to prefabricated retaining wall of L type of components of a whole that can function independently assembly.
Background
The L-shaped retaining wall is mostly cast in place or integrally prefabricated in longitudinal segmental mode, and the L-shaped retaining wall is low in work efficiency during transportation and difficult to transport due to clearance limitation under a bridge when the height of the retaining wall is high.
In the prior art, a split L-shaped retaining wall is generally formed by prefabricating a vertical wall and a bottom plate separately, and connecting them by using grouting sleeves, bolts or a completely wet-joint section.
However, in practical application, the number of grouting sleeve joint mode embedded sleeves is large, the precision control requirement is strict, and the economical efficiency is slightly poor; the wet-joint section type field needs more work such as steel bar connection, concrete pouring, temporary support and the like.
Moreover, the bolt connection has higher requirements on the accuracy of bolt embedding and hole reservation, more bolts and larger field workload.
Because the high-strength and high-toughness concrete (namely the UHPC material) has the performances of high strength, high tensile strength, high toughness, high durability and the like, the UHPC material is a new trend of the development and the application of the existing concrete material, the UHPC material can be adopted to reduce the anchoring length of the steel bars, avoid the welding work of the steel bars and has good durability.
Therefore, how to fully utilize new materials to make the separated L-shaped prefabricated retaining wall have good safety performance, durability, convenient construction operation performance and the like becomes a technical problem which needs to be solved by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defect of prior art, the utility model provides a prefabricated retaining wall of L type of components of a whole that can function independently assembly, the purpose of realization both can be so that prefabricated retaining wall structure has better atress performance, can satisfy the atress performance of erecting wall and bottom plate about normal use stage and earthquake, have better durability again, erect wall and bottom plate and be the flat plate component moreover, more do benefit to the component prefabricated processing, transportation and the on-the-spot rapid Assembly construction of retaining wall.
In order to achieve the above object, the utility model discloses a prefabricated retaining wall of L type of components of a whole that can function independently assembly, including erecting wall and bottom plate.
The retaining wall is prefabricated according to the segment respectively along length direction, is formed by a plurality of retaining wall segments in a splicing mode.
Each of the prefabricated retaining wall segments includes a corresponding vertical wall unit and a corresponding floor unit, and each of the vertical wall units and each of the floor units is a prefabricated member.
And a groove extending along the length direction is arranged at the position, connected with the corresponding vertical wall unit, on each bottom plate unit.
Two side walls of two sides of the groove, which are parallel to the length direction, are provided with concave keys, and a plurality of rigid cushion blocks are uniformly distributed at the central line position of the bottom of the groove along the length direction.
A plurality of embedded steel bars which are uniformly distributed along the length direction of the groove are arranged at the position, corresponding to the bottom of the groove, of each bottom plate unit;
the embedded steel bars all include the end that stretches out from the recess bottom is vertical, and a plurality of the position of stretching out the end is located a plurality of respectively rigid cushion both sides, and a plurality of it sets up the formation steel reinforcement cage of multichannel sealed stirrup along the direction of height ligature to stretch out the end.
The lower end of each vertical wall unit is provided with a convex tenon corresponding to the corresponding groove.
A plurality of extending steel bars are arranged at the positions, corresponding to the peripheries of the corresponding convex tenons, of each vertical wall unit; a plurality of stretch out the reinforcing bar all with corresponding the convex tenon flushes, and with corresponding a plurality of embedded steel bars staggered position of recess bottom arranges.
The shape of each convex tenon is smaller than that of the corresponding groove, and a gap exists between the outer contour of each convex tenon and the corresponding side wall of the corresponding groove; and high-strength and high-toughness concrete is filled in the gap for fixing.
Preferably, the connection between the longitudinal sections is achieved by the connection faces of every two adjacent vertical wall units by means of male and female connectors.
Preferably, the side surface of each convex tenon is provided with a concave key.
The utility model has the advantages that:
the utility model utilizes the characteristics of high-strength and high-toughness concrete (namely UHPC material) to be used in the splicing construction of the split type L-shaped prefabricated retaining wall; compared with the prior art, the utility model discloses both can make prefabricated barricade structure have better atress performance, can satisfy perpendicular wall and bottom plate atress performance under about normal use stage and earthquake, have better durability again, erect wall and bottom plate moreover and be the flat board formula component, more do benefit to the component prefabricated processing of retaining wall, transportation and the quick assembly construction at scene.
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.
Drawings
Fig. 1 is a schematic view illustrating a connection structure of a vertical wall unit side in an embodiment of the present invention.
Fig. 2 is a schematic structural view illustrating a connection portion between the vertical wall unit and the bottom plate unit in a separated state according to an embodiment of the present invention.
Fig. 3 is a schematic view showing a partially enlarged structure of a junction between the vertical wall unit and the bottom plate unit in fig. 2 according to the present invention.
Fig. 4 is a schematic structural diagram of the upper surface of the bottom plate unit in an embodiment of the present invention.
Fig. 5 is a schematic sectional view showing a connection state of the vertical wall unit and the bottom plate unit according to an embodiment of the present invention.
Fig. 6 is a schematic view illustrating a connection structure of the upper end surface of the vertical wall unit according to an embodiment of the present invention.
Detailed Description
Examples
As shown in fig. 1 to 5, the L-shaped prefabricated retaining wall, which is separately assembled, includes a vertical wall and a bottom plate.
The retaining wall is prefabricated according to the subsection respectively along length direction, is formed by the concatenation of a plurality of retaining wall subsections.
Each prefabricated retaining wall section comprises a respective vertical wall unit 1 and a respective floor unit 2, and each vertical wall unit 1 and each floor unit 2 are prefabricated.
The position on each bottom plate unit 2 connected with the corresponding vertical wall unit 1 is provided with a groove 3 extending along the length direction.
Two side walls of two sides of the groove 3 parallel to the length direction are provided with concave keys 4, and a plurality of rigid cushion blocks 5 are uniformly distributed at the central line position of the bottom of the groove 3 along the length direction.
A plurality of embedded steel bars 6 which are uniformly distributed along the length direction of the groove 3 are arranged at the position of each bottom plate unit 2 corresponding to the bottom of the groove 3;
the embedded steel bars 6 comprise extending ends vertically extending out of the bottoms of the grooves 3, the extending ends are located on two sides of the rigid cushion blocks 5 respectively, and the extending ends are bound in the height direction to form a steel reinforcement cage with multiple closed stirrups 10.
The lower end of each vertical wall unit 1 is provided with a convex tenon 7 corresponding to the corresponding groove 3.
A plurality of extending steel bars 8 are arranged at the positions, corresponding to the peripheries of the corresponding convex tenons 7, of each vertical wall unit 1; a plurality of steel bars 8 that stretch out all level with corresponding convex tenon 7, and arrange with a plurality of embedded steel bars 6 staggered position of corresponding recess 3 bottom.
The shape of each convex tenon 7 is smaller than that of the corresponding groove 3, and a gap 9 is formed between the outer contour of each convex tenon 7 and the side wall of the corresponding groove 3; the gap 9 is filled with high-strength and high-toughness concrete for fixing.
In practical application, the plurality of bottom plate units 2 are leveled through the cast-in-place mortar cushion layer; the bottom of the groove 3 is provided with a rigid cushion block 5 at certain intervals, and a plurality of extending ends of the embedded steel bars 6 form a steel bar cage by binding stirrups.
During construction, a template with a certain height is arranged on the top of each groove 3 on each bottom plate unit 2, after high-strength and high-toughness concrete, namely UHPC material, is poured, vertical walls are inserted to uniformly extrude the high-strength and high-toughness concrete to complete the assembly of each vertical wall unit 1 and the corresponding bottom plate unit 2, and the foot guards 11 of the joint seams of the high-strength and high-toughness concrete are simultaneously completed through the template higher than the tops of the grooves 3.
As shown in fig. 6, in some embodiments, the connection between the longitudinal sections of the connection faces of every two adjacent vertical wall units 1 is achieved by means of male-female connectors.
In some embodiments, the lateral surface of each male tenon 7 is provided with a female key 4.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (3)
1. The L-shaped prefabricated retaining wall comprises a vertical wall and a bottom plate, wherein the vertical wall is assembled in a split mode; the method is characterized in that: the retaining wall is prefabricated according to sections along the length direction and is formed by splicing a plurality of retaining wall sections;
each prefabricated retaining wall section comprises a corresponding vertical wall unit (1) and a corresponding floor unit (2), and each vertical wall unit (1) and each floor unit (2) are prefabricated members;
a groove (3) extending along the length direction is formed in the position, connected with the corresponding vertical wall unit (1), on each bottom plate unit (2);
two side walls of two sides of the groove (3) parallel to the length direction are respectively provided with a concave key (4), and a plurality of rigid cushion blocks (5) are uniformly distributed at the central line position of the bottom of the groove (3) along the length direction;
a plurality of embedded steel bars (6) which are uniformly distributed along the length direction of the groove (3) are arranged at the position, corresponding to the bottom of the groove (3), of each bottom plate unit (2);
the embedded steel bars (6) respectively comprise extending ends which vertically extend out of the bottom of the groove (3), the extending ends are respectively positioned at two sides of the rigid cushion blocks (5), and the extending ends are bound along the height direction to form a steel bar cage with a plurality of closed stirrups (10);
the lower end of each vertical wall unit (1) is provided with a convex tenon (7) corresponding to the corresponding groove (3);
a plurality of extending steel bars (8) are arranged at the positions, corresponding to the peripheries of the convex tenons (7), of each vertical wall unit (1); the plurality of extending steel bars (8) are all level with the corresponding convex tenons (7) and are arranged in a staggered mode with the plurality of embedded steel bars (6) at the bottom of the corresponding groove (3);
the shape of each convex tenon (7) is smaller than that of the corresponding groove (3), and a gap (9) exists between the outer contour of each convex tenon (7) and the side wall of the corresponding groove (3); and the gap (9) is filled with high-strength and high-toughness concrete for fixing.
2. Sectional L-shaped prefabricated retaining wall according to claim 1, characterized in that the joint faces of every two adjacent vertical wall units (1) are joined between longitudinal segments by male-female joints.
3. Split-assembled L-shaped precast retaining wall according to claim 1, characterized in that the side of each male tenon (7) is provided with a female key (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921003400.2U CN210369030U (en) | 2019-07-01 | 2019-07-01 | Split-assembled L-shaped prefabricated retaining wall |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921003400.2U CN210369030U (en) | 2019-07-01 | 2019-07-01 | Split-assembled L-shaped prefabricated retaining wall |
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| Publication Number | Publication Date |
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| CN210369030U true CN210369030U (en) | 2020-04-21 |
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| CN201921003400.2U Active CN210369030U (en) | 2019-07-01 | 2019-07-01 | Split-assembled L-shaped prefabricated retaining wall |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219319A (en) * | 2019-07-01 | 2019-09-10 | 上海市城市建设设计研究总院（集团）有限公司 | The prefabricated retaining wall of L-type of fission assembly |
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2019
- 2019-07-01 CN CN201921003400.2U patent/CN210369030U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219319A (en) * | 2019-07-01 | 2019-09-10 | 上海市城市建设设计研究总院（集团）有限公司 | The prefabricated retaining wall of L-type of fission assembly |
| CN110219319B (en) * | 2019-07-01 | 2024-04-05 | 上海市城市建设设计研究总院（集团）有限公司 | Split-assembled L-shaped prefabricated retaining wall |
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