CN216739652U - Reinforced connection structure between soil nail wall and soil nail anchor head - Google Patents
Reinforced connection structure between soil nail wall and soil nail anchor head Download PDFInfo
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- CN216739652U CN216739652U CN202123048115.2U CN202123048115U CN216739652U CN 216739652 U CN216739652 U CN 216739652U CN 202123048115 U CN202123048115 U CN 202123048115U CN 216739652 U CN216739652 U CN 216739652U
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Abstract
The utility model discloses a reinforced connecting structure between a soil nail wall and a soil nail anchor head, which comprises a sprayed concrete facing, an auxiliary reinforced steel bar head, a soil nail wall longitudinal reinforced bar and a soil nail main bar, wherein one side of the sprayed concrete facing is provided with a bidirectional steel bar net, the soil nail wall longitudinal reinforced bar is arranged between the sprayed concrete facing and the bidirectional steel bar net, the lower end of the soil nail wall longitudinal reinforced bar is provided with the soil nail main bar, the lower end of the soil nail main bar is provided with the auxiliary reinforced steel bar head, the other side of the soil nail main bar is provided with a soil nail, the soil nail wall longitudinal reinforced bar and the soil nail main bar are welded, the soil nail main bar and the reinforced steel bar are welded, the reinforced steel bar is welded with the soil nail wall longitudinal reinforced bar in a three-side welding mode to achieve the effect of reinforcing the soil nail wall and the anchor head, the welding modes are single-side welding, time and labor are saved, and the welding length is 10d, the length of the soil nail main reinforcement and the length of the elbow of the reinforcing steel bar anchored into the concrete wall surface are both 10 d.
Description
Technical Field
The utility model belongs to the technical field of construction excavation supporting engineering, concretely relates to consolidate connection structure between soil nail wall and soil nail anchor head.
Background
Nowadays, under the premise of the continuous development of social economy in China, the building construction industry also becomes diversified and complicated, the technical requirements are higher and higher, foundation pit support is an essential process in a building engineering, deep foundation pits are more and more, and soil nailing walls are also a common construction structure in the foundation pit support. At present, various foundation pit soil structures have different geological and hydrological conditions and different construction modes of foundation pit support, and three commonly adopted soil nailing wall construction methods are adopted according to the soil structures, namely drilling grouting type, direct driving type and driving grouting type.
The second construction method of the existing soil nailing wall is suitable for non-hard cohesive soil of a soil body structure, has the advantages of high construction speed, no damage to the overall stability of the soil body, small disturbance to in-situ soil, difficult application to permanent support engineering with overlong time, and the second construction method has the fear that the connection strength between the soil nailing wall and a soil nailing anchor rod is not enough, so that the anti-pulling requirement cannot be met.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide an add solid fixed connection structure between soil nail wall and soil nail anchor head to solve the permanent supporting engineering that is difficult to be applicable to the time overlength that proposes in the above-mentioned background art, the second kind of construction is more afraid of between soil nail wall and the soil nail anchor rod joint strength not enough moreover, does not reach the problem of resistance to plucking requirement.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a consolidate connection structure between soil nail wall and soil nail anchor head, is including spraying concrete facing, supplementary reinforcement reinforcing bar head, the vertical strengthening rib of soil nail wall and soil nail owner muscle, spraying concrete facing one side is provided with two-way reinforcing bar net, be provided with the vertical strengthening rib of soil nail wall between spraying concrete facing and the two-way reinforcing bar net, the vertical strengthening rib lower extreme of soil nail wall is provided with soil nail owner muscle, soil nail owner muscle lower extreme is provided with supplementary reinforcement reinforcing bar head, soil nail owner muscle opposite side is provided with the soil nail, it is provided with the strengthening rib to spray concrete facing upper end, the strengthening rib upper end is provided with the soil nail reinforcing bar.
Preferably, the sprayed concrete facing has a thickness of 80mm and a concrete strength grade of C20.
Preferably, the bidirectional reinforcing mesh surface layer is paved to be 6.5mm in diameter and 200mm in distance.
Preferably, the angle between the auxiliary reinforcing steel bar head and the soil nail main bar is 90 degrees.
Preferably, one side of the soil nail steel bar is provided with a single-side welding seam.
Preferably, the inner side of the soil nail is provided with an equal centering bracket.
Preferably, a soil nailing reinforcing steel bar and reinforcing rib welding area is arranged between the sprayed concrete protective surface and the reinforcing rib.
Compared with the prior art, the utility model provides a consolidate between soil nail wall and soil nail anchor head and connect structure possesses following beneficial effect: the utility model has the advantages that the total thickness of the sprayed surface layer of the soil nailing wall is 80mm, the concrete strength grade is C20, the phi 6.5@200mm bidirectional reinforcing mesh is paved on the surface layer, firstly, the reinforcing mesh is woven with the concrete thickness of 3-5 cm, then the concrete is sprayed to the thickness required by the design, and the seasonal construction measures are made, according to the reinforced structure, a reinforcing bar head for auxiliary reinforcement is added at the joint of the longitudinal reinforcing bar of the soil nailing wall and the soil nailing main bar, the soil nail main reinforcement and the soil nail main reinforcement are 90 degrees, welding between the soil nail wall longitudinal reinforcing ribs and the soil nail main reinforcements is adopted, welding between the soil nail main reinforcements and the reinforcing steel bars is adopted, the reinforcing steel bars and the soil nail wall longitudinal reinforcing ribs are welded in a three-side welding mode, the effect between the soil nail wall and the anchor head is achieved, the welding mode is single-side welding, time and labor are saved, the welding length is 10d, and the length of the soil nail main reinforcements and the reinforcing steel bar elbow anchored into the concrete wall surface is also 10 d.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:
FIG. 1 is a node diagram of an anchor head of a soil nail according to the present invention;
FIG. 2 is a schematic view of the connection between the soil nailing reinforcing bars and the reinforcing ribs provided by the present invention;
in the figure: 1. spraying concrete to protect the surface; 2. reinforcing the steel bar heads in an auxiliary manner; 3. a bidirectional reinforcing mesh; 4. a longitudinal reinforcing rib of the soil nailing wall; 5. soil nailing main ribs; 6. soil nailing; 7. equally dividing the centering bracket; 8. reinforcing ribs; 9. A soil nailing reinforcing steel bar and reinforcing rib welding area; 10. soil nailing steel bars; 11. and (6) welding a weld seam in a single-side welding way.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a reinforced connecting structure between a soil nailing wall and a soil nailing anchor head comprises a sprayed concrete protective surface 1, an auxiliary reinforced steel bar head 2, a soil nailing wall longitudinal reinforced bar 4 and a soil nailing main bar 5, wherein one side of the sprayed concrete protective surface 1 is provided with a bidirectional reinforced bar net 3, the sprayed concrete thickness is 3-5 cm, the bidirectional reinforced bar net 3 is sprayed to the required thickness, seasonal construction measures are made to improve the reinforcing effect, the soil nailing wall longitudinal reinforced bar 4 is arranged between the sprayed concrete protective surface 1 and the bidirectional reinforced bar net 3, the soil nailing wall longitudinal reinforced bar 4 is provided with a soil nailing main bar 5 at the lower end, the auxiliary reinforced steel bar head 2 is arranged at the lower end of the soil nailing wall main bar 5, the auxiliary reinforced steel bar head 2 is additionally arranged at the joint of the soil nailing wall longitudinal reinforced bar 4 and the soil nailing main bar 5 and is 90 degrees identical to the soil nailing main bar 5, and the soil nailing wall longitudinal reinforced bar 4 and the soil nailing main bar 5 are welded, the main muscle of soil nail 5 and the welding of reinforcing bar within a definite time, thereby the reinforcing bar reaches the effect between reinforcing soil nail wall and anchor head with the trilateral welding mode of the vertical strengthening rib 4 welded of soil nail wall again, and 5 opposite sides of soil nail main muscle are provided with soil nail 6, and 1 upper ends of injection concrete visor are provided with strengthening rib 8, and 8 upper ends of strengthening rib are provided with soil nail reinforcing bar 10.
The utility model discloses in, it is preferred, 1 thickness of shotcrete visor is 80mm, and the concrete intensity level is C20, 3 surface courses of two-way reinforcing bar net are laid to diameter 6.5mm, interval 200mm, supplementary reinforcement reinforcing bar head 2 is 90 with the 5 angles of soil nail owner muscle, soil nail reinforcing bar 10 one side is provided with single face welding seam 11, the welding mode is single face welding, time saving and labor saving, welding length is 10d, soil nail owner muscle 5 also is 10d with supplementary reinforcement reinforcing bar head 2 anchor income concrete wall length, 6 inboards of soil nail are provided with the partition centering support 7, be provided with soil nail reinforcing bar and strengthening rib weld zone 9 between shotcrete visor 1 and the strengthening rib 8.
The utility model discloses a theory of operation and use flow: when the soil nailing wall reinforcing structure is used, the bidirectional reinforcing mesh 3 with the concrete thickness of 3-5 cm is sprayed, then the concrete is sprayed to the thickness required by the design, seasonal construction measures are made, the auxiliary reinforcing steel bar head 2 is added at the joint of the soil nailing wall longitudinal reinforcing rib 4 and the soil nailing main rib 5, the thickness is 90 degrees with the soil nailing main rib 5, the soil nailing wall longitudinal reinforcing rib 4 and the soil nailing wall main rib 5 are welded, the soil nailing main rib 5 and the reinforcing steel bar are welded, and the reinforcing steel bar is welded with the soil nailing wall longitudinal reinforcing rib 4 in a three-surface welding mode, so that the effect of reinforcing the soil nailing wall and the anchor head is achieved, the welding mode is single-surface welding, time and labor are saved, the welding length is 10d, and the length of anchoring the soil nailing main rib 5 and the auxiliary reinforcing steel bar head 2 into the concrete wall surface is also 10 d.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a soil nail wall and soil nail anchor head are consolidated between and are connected structure, includes injection concrete armor (1), supplementary reinforcing bar head (2), the vertical strengthening rib of soil nail wall (4) and soil nail owner muscle (5), its characterized in that: the concrete spraying protective face is characterized in that a bidirectional reinforcing mesh (3) is arranged on one side of the concrete spraying protective face (1), a soil nailing wall longitudinal reinforcing rib (4) is arranged between the concrete spraying protective face (1) and the bidirectional reinforcing mesh (3), a soil nailing main rib (5) is arranged at the lower end of the soil nailing wall longitudinal reinforcing rib (4), an auxiliary reinforcing steel bar head (2) is arranged at the lower end of the soil nailing main rib (5), a soil nail (6) is arranged on the other side of the soil nailing main rib (5), a reinforcing rib (8) is arranged at the upper end of the concrete spraying protective face (1), and a soil nailing reinforcing steel bar (10) is arranged at the upper end of the reinforcing rib (8).
2. The soil nailing wall and soil nailing anchor head reinforcing connection structure according to claim 1, wherein: the thickness of the sprayed concrete facing (1) is 80mm, and the strength grade of concrete is C20.
3. The soil nailing wall and soil nailing anchor head reinforcing connection structure according to claim 1, wherein: the surface layer of the bidirectional reinforcing mesh (3) is laid to be 6.5mm in diameter and 200mm in distance.
4. The soil nailing wall and soil nailing anchor head reinforcing connection structure according to claim 1, wherein: the angle between the auxiliary reinforcing steel bar head (2) and the soil nail main bar (5) is 90 degrees.
5. The soil nailing wall and soil nailing anchor head reinforcing connection structure according to claim 1, wherein: one side of the soil nailing reinforcing steel bar (10) is provided with a single-side welding seam (11).
6. The soil nailing wall and soil nailing anchor head reinforcing connection structure according to claim 1, wherein: and an equal centering bracket (7) is arranged on the inner side of the soil nail (6).
7. The soil nailing wall and soil nailing anchor head reinforcing connection structure according to claim 1, wherein: and a soil nailing reinforcing steel bar and reinforcing rib welding area (9) is arranged between the sprayed concrete protective surface (1) and the reinforcing rib (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123048115.2U CN216739652U (en) | 2021-12-07 | 2021-12-07 | Reinforced connection structure between soil nail wall and soil nail anchor head |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123048115.2U CN216739652U (en) | 2021-12-07 | 2021-12-07 | Reinforced connection structure between soil nail wall and soil nail anchor head |
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| CN216739652U true CN216739652U (en) | 2022-06-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116591159A (en) * | 2023-06-15 | 2023-08-15 | 中国建筑第二工程局有限公司 | Supporting pile spray-anchoring structure and construction method |
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2021
- 2021-12-07 CN CN202123048115.2U patent/CN216739652U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116591159A (en) * | 2023-06-15 | 2023-08-15 | 中国建筑第二工程局有限公司 | Supporting pile spray-anchoring structure and construction method |
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