CN217267229U - Parting force transmission structure at toe of concrete retaining wall - Google Patents
Parting force transmission structure at toe of concrete retaining wall Download PDFInfo
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- CN217267229U CN217267229U CN202220609823.4U CN202220609823U CN217267229U CN 217267229 U CN217267229 U CN 217267229U CN 202220609823 U CN202220609823 U CN 202220609823U CN 217267229 U CN217267229 U CN 217267229U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The utility model discloses a parting force transmission structure at the toe part of a concrete retaining wall, which is positioned between a toe plate of the concrete retaining wall and a concrete bottom protection structure and comprises a supporting block steel plate, a pre-buried steel plate structure and reinforcing steel bars; the embedded steel plate part structure consists of an embedded steel plate and fixed steel bars, and the fixed steel bars are horizontally arranged and welded on the embedded steel plate; the supporting block steel plates are arranged in pairs in the parting seams and are welded on the embedded steel plates; the reinforcing steel bars are composed of a plurality of reinforcing steel bar meshes, and each mesh is vertically arranged and bound on the fixed steel bars; the embedded steel plates, the fixed steel bars and the reinforcing steel bars are embedded in the toe plates of the concrete retaining wall and the concrete bottom protecting structure and are fixed along with concrete pouring; and filling materials are filled in the seams. The utility model discloses utilize the foundation frictional force of concrete bottom protection structure, bear the weight of the horizontal load that the part transmitted from the concrete retaining wall back of the body, both saved the engineering investment of concrete retaining wall structure adjustment, and the construction is simple and convenient.
Description
Technical Field
The utility model relates to a concrete structure's parting force transmission structure among hydraulic and hydroelectric engineering, concretely relates to concrete retaining wall toe and adjacent concrete structure's parting force transmission structure, for the force transmission structure of a horizontal force, under the not enough condition of barricade self cling compound ability, the transmission level is to the load to adjacent concrete resistance structure.
Background
For the concrete retaining wall located on the soft soil foundation, because the structural body is higher, the horizontal thrust which correspondingly bears the soil body on the back of the wall and the water pressure is larger.
For the retaining wall foundation with poor geological soil layer conditions, the friction coefficient between the retaining wall bottom plate and the soil body is low under the common conditions, the self-horizontal anti-sliding capability of the corresponding retaining wall is low, the anti-sliding capability of the retaining wall cannot meet the requirement easily, and the length of the retaining wall bottom plate needs to be adjusted or the foundation soil body needs to be reinforced to increase the foundation friction force so as to meet the requirement of anti-sliding stability of the retaining wall foundation surface.
SUMMERY OF THE UTILITY MODEL
The utility model aims to utilize the concrete bottom protection structure adjacent with barricade wall toe, through the parting biography power structure, reach concrete barricade self and concrete bottom protection structure and jointly undertake the horizontal thrust behind the barricade wall. On one hand, the horizontal thrust of part of the transmitted part is borne by the retaining wall through the foundation friction force of the concrete bottom protecting structure; on the other hand, the construction measures for reinforcing the retaining wall structure or the soil body are reduced, and the construction investment of the retaining wall is greatly saved.
The utility model adopts the technical proposal that: a parting force transmission structure at the toe of a concrete retaining wall is positioned at the parting position between a toe plate of the concrete retaining wall and a concrete bottom protection structure and comprises a supporting block steel plate, a pre-buried steel plate part structure and reinforcing steel bars. The embedded steel plate part structure consists of an embedded steel plate and fixed steel bars, and the fixed steel bars are horizontally arranged and welded on the embedded steel plate; the supporting block steel plates are arranged in pairs in the parting joints, and are welded on the embedded steel plates in order to prevent the positions of the supporting block steel plates from changing; the thickness of the supporting block steel plate is generally half of the width of the parting joint, and the size of the plane of the supporting block steel plate is slightly smaller than that of the embedded steel plate so as to facilitate welding connection; but the support block steel plates are not welded. The reinforcing steel bars are composed of a plurality of reinforcing steel bar meshes, and each mesh is vertically arranged and bound on the fixed steel bars; the embedded steel plates, the fixed steel bars and the reinforcing steel bars are all embedded in the toe plates of the concrete retaining wall and the concrete bottom protecting structure and are fixed along with concrete pouring. And joint filling materials are filled in the joints.
Furthermore, the surface of the embedded steel plate is flush with the concrete surface of the concrete retaining wall toe board and the concrete bottom protection structure.
Furthermore, the embedded steel plates are arranged in pairs, namely the embedded steel plates arranged in the toe boards of the concrete retaining wall and the embedded steel plates arranged in the concrete bottom protecting structure are symmetrically arranged along the facet mirror image.
Furthermore, each reinforcing mesh of the reinforcing steel bars consists of longitudinal reinforcing steel bars and transverse reinforcing steel bars at certain intervals, and the longitudinal reinforcing steel bars and the transverse reinforcing steel bars are bound and connected; the pre-buried position of reinforcing bar is close to pre-buried steel sheet to reinforcing concrete retaining wall toe board and the local compressive capacity of concrete bottom protecting structure can adopt other structures such as steel sheet to replace according to local compressive design needs.
The utility model discloses a supporting shoe steel sheet directly transmits the part level of concrete retaining wall back of the body for the concrete bottom protecting structure to the load. The supporting block steel plate needs to have good metal corrosion protection measures, for example, the exposed metal surface is sealed by zinc spraying and painting, and the like, so that the rust corrosion caused by long-time exposure in the air or humid environment is avoided. The embedded steel plate piece structure is used as a connecting part with the supporting block steel plate and is also used as a supporting part in a force transmission process.
The utility model discloses a parting biography power structure also can be used to other concrete structure parting departments, satisfies the atress during structural design can.
The utility model discloses a parting power transmission structure can arrange according to the design needs in whole parting, perhaps arranges in whole parting.
The toe board of the concrete retaining wall is a concrete structure at the toe of the concrete retaining wall and is an important part of the concrete retaining wall; the horizontal load of the concrete retaining wall back is transmitted to the concrete bottom protection structure through the parting force transmission structure by the concrete retaining wall toe board, so that the concrete retaining wall structure and the concrete bottom protection structure meet the requirement of anti-skidding stability of the retaining wall in the horizontal direction jointly through the horizontal friction force generated by the concrete retaining wall structure and the foundation surface.
The utility model has the advantages that:
1. simple structure and clear force transmission. A force transmission structure is arranged at a parting joint of the toe of the concrete retaining wall and the concrete bottom protection structure at the outer side, the horizontal load of the back of the partial retaining wall is transmitted to the concrete bottom protection structure, and the horizontal friction force generated by the concrete bottom protection structure and the foundation surface is born.
2. The stress structure of the retaining wall is optimized, and the investment is saved. The horizontal supporting function of the concrete bottom protecting structure is utilized, the horizontal stress of the retaining wall is reduced, the structural resistance requirement of the retaining wall is correspondingly weakened, and the engineering investment is saved.
3. The force transmission structure is simple and is suitable for implementation. When the concrete toe boards and the concrete bottom protection structures of the retaining wall are poured, the embedded steel plate part structures are embedded in the concrete firstly through steel bar welding or connection, the supporting block steel plates are welded and fixed when adjacent concrete is poured, after the concrete pouring on the two sides of the parting is finished, the corresponding force transmission structures are also implemented, and the benefits can be brought into play immediately.
Drawings
FIG. 1 is a cross-sectional layout view of an embodiment of the present invention;
fig. 2 is a detailed structural view of a portion a of fig. 1.
In the figure: 1-concrete retaining wall structure; 2-concrete retaining wall toe boards; 3-concrete bottom protection structure; 4, pre-burying a steel plate; 5-supporting the block steel plate; 6-fixing the steel bars; 7-reinforcing steel bars; 8-caulking material.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-2, the present invention relates to a force transmission structure for concrete structure, which comprises a supporting block steel plate 5, a pre-buried steel plate structure and a reinforcing steel bar 7. The embedded steel plate part structure is composed of an embedded steel plate 4 and a fixed steel bar 6, and the embedded steel plate 4 and the fixed steel bar 6 are welded together. The concrete retaining wall structure 1, the concrete retaining wall toe boards 2 and the concrete bottom protection structure 3 are concrete structures on two sides of a parting force transmission structure; a caulking material 8 is located within the structural parting for separating the concrete retaining wall toe plate 2 and the concrete substructure 3. The fixed steel bars 6 are horizontally arranged and welded on the embedded steel plate 4; the reinforcing steel bars 7 are composed of a plurality of reinforcing steel bar meshes, each mesh is vertically arranged and is bound on the horizontal fixed steel bars 6 according to requirements. The embedded steel plates 4, the fixed steel bars 6 and the reinforcing steel bars 7 are embedded in the concrete retaining wall toe boards 2 and the concrete bottom protection structures 3 and are poured and fixed along with concrete.
The concrete retaining wall structure 1 is a high retaining wall structure, the structure can be a retaining wall structure such as an abutment wall type, an empty box abutment wall type and the like, the height of the retaining wall is relatively high due to the surrounding environment and function arrangement requirements, and the back of the retaining wall needs to bear larger horizontal load; due to the limitation of the soil property of the foundation, the horizontal resistance force generated by the conventional reasonable retaining wall structure body type does not meet the requirement of the design specification.
The concrete retaining wall toe plate 2 is an important component of the concrete retaining wall structure 1, and before concrete is poured, the embedded steel plate 4, the fixed steel bar 6 and the reinforcing steel bar 7 on the concrete retaining wall toe plate 2 side are fixed in advance.
The concrete bottom protecting structure 3 and the concrete retaining wall toe board 2 are arranged in a gap mode, and the horizontal load transmitted by the gap force transmission structure is borne through the friction force between the concrete bottom protecting structure 3 and the foundation surface; the arrangement of the concrete bottom protecting structure 3 is designed according to the requirement of bearing horizontal resistance, and can be a thick concrete bottom plate or a concrete structure such as another concrete retaining wall toe plate 2.
The embedded steel plate 4 and the fixed steel bar 6 are welded into a whole to form an embedded steel plate structure and are embedded in the concrete retaining wall toe plate 2 and the concrete bottom protection structure 3 together, and the surface of the embedded steel plate 4 is flush with the concrete surface of the concrete retaining wall toe plate 2 and the concrete bottom protection structure 3. The size and material of the pre-buried steel plate 4 are designed according to the requirement of horizontal force transmission, and the surface of the pre-buried steel plate is subjected to anti-corrosion treatment. The embedded steel plates 4 embedded in the concrete retaining wall toe plate 2 and the concrete bottom protecting structure 3 are arranged in pairs, namely, the embedded steel plates 4 in the concrete retaining wall toe plate 2 and the embedded steel plates 4 in the concrete bottom protecting structure 3 are symmetrically arranged along the facet mirror image.
Supporting shoe steel sheet 5 arranges in pairs in the parting, welds at 4 surfaces of pre-buried steel sheet, can weld in advance, also can treat the concrete placement completion welded fastening again of 4 sides of pre-buried steel sheet. The thickness of the supporting block steel plate 5 is generally half of the width of the parting joint, and the plane size of the supporting block steel plate is slightly smaller than that of the embedded steel plate 4, so that the supporting block steel plate is convenient to weld and connect. Each supporting block steel plate 5 is welded with one embedded steel plate 4, but the supporting block steel plates 5 are not welded. The size and the material of the supporting block steel plate 5 are designed according to the requirement of horizontal force transmission, and the surface of the supporting block steel plate is subjected to anticorrosion treatment.
The fixed steel bars 6 are used for fixing the embedded steel plates 4 in advance, are used as connecting pieces of the embedded steel plates 4, the concrete retaining wall toe boards 2 and the concrete bottom protection structure 3 in the using process, and are welded with the embedded steel plates 4 to form an embedded steel plate piece structure. The diameter of the fixed steel bar 6 can be 10-14 mm, the length can be 400-600 mm, and the fixed steel bar can be determined according to the fixed design requirement. The number of the fixed steel bars 6 welded with the embedded steel plates 4 can be reasonably arranged according to the size of the embedded steel plates 4, and 4-6 fixed steel bars 6 can be arranged on each embedded steel plate 4.
For satisfying the local atress of biography power structure and strengthening the needs, reinforcing bar 7 is to setting up along the level of fixed reinforcement 6, can set up 2 ~ 3 reinforcing bar net pieces generally.
The joint filling material 8 is positioned in the structural parting between the toe boards 2 of the concrete retaining wall and the concrete bottom protecting structure 3, and the periphery of the supporting block steel plate 5 can be generally made of asphalt-impregnated fir boards or foam boards, and can be specifically joint filled according to the design requirement.
The utility model discloses a parting power transmission structure can arrange according to the design needs in whole parting, perhaps arranges in whole parting. The width of the parting between the concrete structures is generally taken to be 2 cm.
The above embodiments are described with reference to the accompanying drawings, but the scope of the invention is not limited thereto, and it should be noted that, for those skilled in the art, the technical solutions obtained by equivalent replacement or equivalent transformation without departing from the spirit of the invention, all of which belong to the protection scope of the invention.
Claims (8)
1. The utility model provides a concrete structure's parting biography power structure, is located the parting department between concrete retaining wall toe board and the concrete bottom construction, its characterized in that: the steel plate support comprises a support block steel plate, a pre-embedded steel plate part structure and reinforcing steel bars; the embedded steel plate part structure consists of an embedded steel plate and a fixed steel bar, and the fixed steel bar is welded on the embedded steel plate; the supporting block steel plates are arranged in pairs in the parting joints and are welded on the embedded steel plates; the reinforcing steel bars are composed of a plurality of reinforcing steel bar meshes and are bound on the fixed steel bars; the embedded steel plate, the fixed steel bars and the reinforcing steel bars are embedded in the toe board of the concrete retaining wall and the concrete bottom protecting structure and are fixed along with concrete pouring.
2. The concrete structure parting force transmission structure of claim 1, wherein: the thickness of the supporting block steel plates is half of the width of the parting joint, and the supporting block steel plates are not welded.
3. The concrete structure parting force transmission structure of claim 1, wherein: the fixed steel bars are arranged horizontally.
4. The concrete structure parting force transmission structure of claim 1, wherein: the reinforcing steel bars are composed of a plurality of reinforcing steel bar meshes, and each mesh is vertically arranged.
5. The concrete structure parting force transmission structure of claim 1, wherein: and joint filling materials are filled in the joints.
6. The concrete structure parting force transmission structure of claim 1, wherein: the surface of the embedded steel plate is flush with the concrete surface of the concrete retaining wall toe board and the concrete bottom protection structure.
7. The concrete structure parting force transmission structure of claim 1, wherein: the embedded steel plates are arranged in pairs, namely the embedded steel plates arranged in the toe boards of the concrete retaining wall and the embedded steel plates arranged in the concrete bottom protecting structure are symmetrically arranged along the facet mirror image.
8. The concrete structure parting force transmission structure of claim 4, wherein: each reinforcing mesh of the reinforcing steel bars is composed of longitudinal steel bars and transverse steel bars at a certain interval, and the longitudinal steel bars and the transverse steel bars are bound and connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220609823.4U CN217267229U (en) | 2022-03-18 | 2022-03-18 | Parting force transmission structure at toe of concrete retaining wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220609823.4U CN217267229U (en) | 2022-03-18 | 2022-03-18 | Parting force transmission structure at toe of concrete retaining wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217267229U true CN217267229U (en) | 2022-08-23 |
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ID=82870236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220609823.4U Active CN217267229U (en) | 2022-03-18 | 2022-03-18 | Parting force transmission structure at toe of concrete retaining wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217267229U (en) |
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2022
- 2022-03-18 CN CN202220609823.4U patent/CN217267229U/en active Active
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