CN211547742U - Steel purlin shear structure for steel shotcrete bracing - Google Patents
Steel purlin shear structure for steel shotcrete bracing Download PDFInfo
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- CN211547742U CN211547742U CN201922051312.6U CN201922051312U CN211547742U CN 211547742 U CN211547742 U CN 211547742U CN 201922051312 U CN201922051312 U CN 201922051312U CN 211547742 U CN211547742 U CN 211547742U
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Abstract
The utility model provides a steel encloses purlin shear structure for steel shotcrete bracing, including steel enclosing purlin, fender pile, shear bracket and anchoring piece, the steel encloses the purlin and vertically sets up and is located the left side of fender pile and pastes the lateral wall that covers the fender pile, and shear bracket is located between steel enclosing purlin and the fender pile and connects steel enclosing purlin and fender pile respectively, and the one end anchor of anchoring piece is in the fender pile, and the steel enclosing purlin is connected to the other end of anchoring piece. Preferably, the shear support is provided with a longitudinal straight edge and a transverse straight edge which are vertically connected with each other, the longitudinal straight edge is attached to and connected with the steel purlin, and the transverse straight edge abuts against and is connected with the side wall of the fender post. The utility model discloses a steel for steel shotcrete bracing encloses purlin shear structure can increase the bracing and erect the stability of atress, guarantees the requirement that shears, guarantees that supporting construction is whole not to produce relative slip when the atress, increases the security that the steel shotcrete adds axial-force and steel shotcrete bracing were strutted in advance, design benefit, and the structure is succinct, makes portably, and is with low costs, is suitable for extensive popularization and application.
Description
Technical Field
The utility model relates to a construction technical field, in particular to deep basal pit supporting construction technical field specifically indicates a steel for steel shotcrete bracing encloses purlin shear structure.
Background
In the building engineering, at present, in a deep foundation pit supporting structure, a supporting form that a fender pile and a plurality of supports are erected is generally adopted, a first support is generally supported by a crown beam and concrete, and a second support is generally supported by a steel support and a double-spliced steel purlin.
The steel support has the characteristics of high rigidity, convenience in mounting and dismounting and turnover, most of the steel supports are supported in a mode of being orthogonal to the steel purlin, but the steel supports and the steel purlin are supported in a mode of being oblique to each other at the corner of the foundation pit, and the requirement of supporting axial force is met by pre-applying axial force at the later stage. The steel enclosing purlin and the enclosing pile are required to have enough shearing resistance requirements in the process of pre-applying axial force so as to meet the relative stability between the steel enclosing purlin and the enclosing pile in steel support loading.
Chinese utility model patent (CN202509500U) discloses a technical scheme, between steel enclosing purlin and fender pile, pour the concrete between the adjacent two fender piles to on the steel enclosing purlin, towards fender pile one side welding has a set of angle steel, and each angle steel is fixed to be inlayed and to be located in the concrete. However, the structure does not consider the integrity of the steel enclosing purlin and the enclosing pile, so that the contact surface of the steel enclosing purlin and the enclosing pile is not enough in combination, when the axial force is pre-applied to the support in the later period and the steel support system plays a role in supporting, the shearing resistance is easy to generate, and the safety of foundation pit supporting is reduced.
Therefore, hope to provide a steel for steel shotcrete bracing encloses purlin shear structure, it can increase the bracing and erect the stability of atress, guarantees the requirement of shearing, guarantees that the supporting construction is whole to produce relative slip when the atress, increases the steel shotcrete and adds the security of axial force and steel shotcrete bracing strut support.
SUMMERY OF THE UTILITY MODEL
In order to overcome the shortcoming among the above-mentioned prior art, an object of the utility model is to provide a steel for steel shotcrete encloses purlin shear structure, and it can increase the bracing and erect the stability of atress, guarantees the requirement of shearing, guarantees that supporting construction is whole not produce relative slip when the atress, increases the steel shotcrete and adds the security of axial force and steel shotcrete bracing strut support in advance, is suitable for extensive popularization and application.
Another object of the utility model is to provide a purlin shear structure is enclosed to steel for steel shotcrete bracing, its design benefit, the structure is succinct, and it is simple and convenient to make, and is with low costs, is suitable for extensive popularization and application.
In order to achieve the above object, the utility model discloses a steel for steel shotcrete bracing encloses purlin shear structure, enclose purlin and fender pile including the steel, the steel encloses the purlin and vertically sets up and be located the left side of fender pile and subsides cover the lateral wall of fender pile, its characteristics are, steel for the steel shotcrete bracing encloses the purlin shear structure and still includes shear bracket and anchoring piece, wherein:
the shear-resistant support is positioned between the steel purlin and the fender post and is respectively connected with the steel purlin and the fender post, one end of the anchoring piece is anchored in the fender post, and the other end of the anchoring piece is connected with the steel purlin.
Preferably, the shear structure of the steel purlin for the steel strut diagonal bracing further comprises concrete, the concrete is poured between the steel purlin and the fender pile, and the other ends of the shear support and the anchoring piece are embedded in the concrete.
Preferably, the shear support is provided with a longitudinal straight edge and a transverse straight edge, the longitudinal straight edge and the transverse straight edge are mutually and vertically connected, the longitudinal straight edge is attached to and connected with the steel surrounding purlin, and the transverse straight edge abuts against and is connected with the side wall of the surrounding pile.
Preferably, the steel purlin shearing structure for the steel bracing diagonal bracing further comprises longitudinal fasteners, and the longitudinal fasteners are respectively connected with the transverse straight edges and the side walls of the fender piles.
Furthermore, the longitudinal fastener is an expansion bolt, and the expansion bolt is sequentially arranged through and connected with the transverse straight edge and the side wall of the fender post.
Preferably, the shear structure of the steel purlin for the steel strut diagonal bracing further comprises a mortar cushion layer, the side wall of the fender post is a rough side wall, the mortar cushion layer is arranged on the rough side wall, and the steel purlin is attached to and covered on the mortar cushion layer.
Preferably, the anchor is transversely disposed, one end of the anchor is a right end of the anchor, and the other end of the anchor is a left end of the anchor.
Preferably, the number of the anchoring elements is multiple, and the anchoring elements are arranged at intervals.
Preferably, the steel purlin shearing structure for the steel bracing diagonal bracing further comprises an anchor connector, and the anchor connector is respectively connected with the other end of the anchor and the steel purlin.
Preferably, the anchoring connector is a nut, and the other end of the anchoring member penetrates through the steel purlin and the nut and is in threaded engagement with the nut.
The beneficial effects of the utility model mainly lie in:
1. the utility model discloses a steel encloses purlin shear structure for steel shotcrete bracing includes the steel encloses the purlin, the fender pile, shear bracket and anchoring piece, the steel encloses the purlin vertically to set up and is located the left side of fender pile and pastes the lateral wall that covers the fender pile, shear bracket is located the steel and encloses between purlin and the fender pile and connect steel respectively and enclose purlin and fender pile, the one end anchor of anchoring piece connects in the fender pile, the steel is enclosed to the other end of anchoring piece connection, therefore, it can increase the bracing and erect the stability of atress, guarantee the requirement of shearing, guarantee that supporting structure is whole not to produce relative slip when the atress, increase the steel shotcrete and add the security that axial force and steel shotcrete bracing were strutted, be suitable for extensive popularization and application.
2. The utility model discloses a steel encloses purlin shear structure for steel shotcrete bracing includes that the steel encloses the purlin, the fender pile, shear bracket and anchoring piece, the steel encloses the vertical setting of purlin and is located the left side of fender pile and pastes the lateral wall that covers the fender pile, shear bracket is located the steel and encloses between purlin and the fender pile and connect the steel respectively and enclose purlin and fender pile, the one end anchor of anchoring piece connects in the fender pile, the steel is connected to the other end of anchoring piece and encloses the purlin, therefore, its design benefit, the structure is succinct, it is simple and convenient to manufacture, and is with low costs, be suitable for extensive popularization and application.
These and other objects, features and advantages of the present invention will become more fully apparent from the following detailed description, the accompanying drawings and the appended claims, wherein like reference numerals refer to corresponding parts throughout the several views, and wherein like reference numerals refer to like parts throughout the several views.
Drawings
Fig. 1 is a schematic plan view of a specific embodiment of the shear structure of the steel purlin for the steel bracing diagonal bracing.
FIG. 2 is a front cross-sectional schematic view of the embodiment shown in FIG. 1.
(symbol description)
1, steel purlin surrounding; 2, enclosing piles; 3, a shear bracket; 4 an anchor; 5, concrete; 6, longitudinal straight edges; 7, transverse straight edges; 8 longitudinal fasteners; 9 a reinforcement; 10 anchoring the connector; 11 a stiffening web; 12 steel support.
Detailed Description
In order to clearly understand the technical contents of the present invention, the following embodiments are specifically illustrated in detail.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-2, in a specific embodiment of the present invention, the steel surrounding purlin shear structure for steel strut includes a steel surrounding purlin 1, a fender pile 2, a shear bracket 3 and an anchoring member 4, the steel surrounding purlin 1 is vertically disposed and located on the left side of the fender pile 2 and attached to the side wall of the fender pile 2, the shear bracket 3 is located between the steel surrounding purlin 1 and the fender pile 2 and respectively connected to the steel surrounding purlin 1 and the fender pile 2, one end of the anchoring member 4 is anchored in the fender pile 2, and the other end of the anchoring member 4 is connected to the steel surrounding purlin 1.
In order to increase the stability of the present invention, please refer to fig. 1, in an embodiment of the present invention, the steel-enclosed purlin shear structure for the steel-supported diagonal bracing further includes concrete 5, the concrete 5 is poured between the steel-enclosed purlin 1 and the fender post 2, the shear support 3 and the other end of the anchoring member 4 are all embedded in the concrete 5.
The concrete 5 may be any suitable concrete, preferably the concrete 5 is fine stone concrete. In a specific embodiment of the present invention, the fine aggregate concrete is C30 fine aggregate concrete.
The shear bracket 3 may have any suitable configuration, as shown in fig. 1, in an embodiment of the present invention, the shear bracket 3 has a longitudinal straight edge 6 and a transverse straight edge 7, the longitudinal straight edge 6 and the transverse straight edge 7 are perpendicularly connected to each other, the longitudinal straight edge 6 is attached to and connected to the steel surrounding purlin 1, and the transverse straight edge 7 abuts against and is connected to a side wall of the fender post 2.
The vertical straight edge 6 and the horizontal straight edge 7 can be connected at any suitable position, please refer to fig. 1, in an embodiment of the present invention, the rear end of the vertical straight edge 6 is connected with the left end of the horizontal straight edge 7.
The vertical straight edge 6 is connected the steel encloses purlin 1 and can adopt any suitable structure the utility model discloses a specific embodiment, vertical straight edge 6 with the steel encloses purlin 1 welding.
The lateral straight edge 7 is connected with the lateral wall of the fender post 2 by any suitable structure, and preferably, the steel purlin shearing-resistant structure for the steel bracing diagonal bracing further comprises a longitudinal fastener 8, and the longitudinal fastener 8 is respectively connected with the lateral straight edge 7 and the lateral wall of the fender post 2. Referring to fig. 1, in an embodiment of the present invention, when the steel purlin shearing structure for steel bracing struts further includes concrete 5, the longitudinal fastener 8 is embedded in the concrete 5.
The longitudinal fastening member 8 may be any suitable fastening member, and in a specific embodiment of the present invention, the longitudinal fastening member 8 is an expansion bolt, which is sequentially inserted through and connects the lateral straight edge 7 and the side wall of the fender post 2.
In order to increase the strength of the shear bracket 3, please refer to fig. 1, in an embodiment of the present invention, the shear bracket 3 further has a stiffener 9, and the stiffener 9 is located between the longitudinal straight edge 6 and the transverse straight edge 7 and connects the longitudinal straight edge 6 and the transverse straight edge 7, respectively.
In order to enable the steel purlin 1 and the fender post 2 to be tightly combined, preferably, the steel purlin shear structure for the steel strut diagonal bracing further comprises a mortar cushion layer (not shown in the figure), the side wall of the fender post 2 is a rough side wall, the mortar cushion layer is arranged on the rough side wall, and the steel purlin 1 is attached to and covered on the mortar cushion layer. In a specific embodiment of the utility model, under the condition that steel for the steel shotcrete bracing encloses purlin shear structure still includes concrete 5, the mortar bed course inlays to be established in the concrete 5.
The mortar bed course can be any suitable mortar bed course, and in a specific embodiment of the present invention, the mortar bed course is an M10 quick setting early strength mortar bed course.
The anchoring elements 4 may be disposed in any suitable direction, as shown in fig. 1-2, in an embodiment of the present invention, the anchoring elements 4 are disposed transversely, one end of the anchoring elements 4 is a right end of the anchoring elements 4, and the other end of the anchoring elements 4 is a left end of the anchoring elements 4.
The number of the anchoring elements 4 can be determined according to the requirement, and preferably, the number of the anchoring elements 4 is multiple, and the anchoring elements 4 are arranged at intervals. Referring to fig. 1-2, in an embodiment of the present invention, the number of the anchoring elements 4 is 6, and the anchoring elements 4 are arranged in two rows, i.e., 3 anchoring elements 4 in each row are longitudinally spaced.
The anchor 4 may be any suitable anchor, and in a particular embodiment of the invention, the anchor 4 is a tendon, which may have a diameter of, for example, 28mm, and preferably has an anchoring depth of not less than 500 mm.
The other end of the anchoring member 4 is connected to the steel enclosing purlin 1, and any suitable structure can be adopted, please refer to fig. 1-2, in a specific embodiment of the present invention, the steel enclosing purlin shear structure for the steel bracing diagonal bracing further comprises an anchoring connecting member 10, and the anchoring connecting member 10 is respectively connected to the other end of the anchoring member 4 and the steel enclosing purlin 1.
The anchoring connector 10 may be any suitable connector, as shown in fig. 1-2, and in one embodiment of the present invention, the anchoring connector 10 is a nut, and the other end of the anchoring member 4 is inserted through the steel purlin 1 and the nut and is threadedly engaged with the nut. In the case where the anchoring member 4 is a tendon, the tendon may be a screw-thread steel tendon.
Purlin is enclosed to steel 1 can be any suitable steel and encloses the purlin in the utility model discloses a concrete embodiment, purlin is enclosed to steel 1 is double-pin H shaped steel and encloses the purlin.
In order to increase the strength of the steel purlin 1, please refer to fig. 1-2, in an embodiment of the present invention, a stiffening web 11 is disposed on the steel purlin 1.
During the construction, after 2 piles of stake clearance of fender pile are put in place in the 12 diagonal bracing of steel shotcrete before 1 erects of steel enclosing purlin, the side wall surface chisel hair of fender pile 2 forms coarse lateral wall, and the chisel hair width is greater than 1 width of steel enclosing purlin to set up the mortar bed course for example M10 fast setting early strength mortar bed course, the mortar bed course surface should be level and smooth perpendicularly, makes the steel enclose purlin 1 and the lateral wall of fender pile 2 combine closely. The method comprises the steps of longitudinally erecting a steel surrounding purlin 1 on the left side of a surrounding pile 2, installing a shear bracket 3 between the steel surrounding purlin 1 and the surrounding pile 2, specifically, connecting, for example welding, a longitudinal straight edge 6 of the shear bracket 3 on the steel surrounding purlin 1, and fixing a transverse straight edge 7 on the side wall of the surrounding pile 2 through a longitudinal fastener 8, such as an expansion bolt. Enclose purlin 1 through the other end that anchor connecting piece 10 such as nut is connected anchor 4 respectively with the steel, specifically be the other end of anchor 4 wear to establish the steel and enclose the nut of screwing up behind the purlin 1, enclose the purlin 1 and enclose between the stake 2 concreting 5 such as C30 fine aggregate concrete at the steel to accomplish the stability of whole support system, reach the steel and enclose the purlin and satisfy the mesh of shearing, guarantee that the steel shotcrete struts add the security of axial force and steel shotcrete support in advance. Then the steel support 12 diagonal bracing can be erected.
Therefore, the utility model discloses a steel is enclosed purlin and fender pile is connected respectively to shear bracket, encloses purlin and fender pile through the anchoring piece connection steel respectively to before the steel shotcrete erects, enclose the purlin and enclose the pile through shear bracket and anchoring piece with the steel and connect into whole, increase the bracing and erect the stability of atress, guaranteed the requirement of shearing, guarantee that supporting construction is whole not to produce relative slip when the atress, increased the steel shotcrete and added the security that axial force and steel shotcrete were strutted.
To sum up, the utility model discloses a steel for steel shotcrete bracing encloses purlin shear structure can increase the bracing and erect the stability of atress, guarantees the requirement of shearing, guarantees that supporting construction is whole not produce relative slip when the atress, increases the security that the steel shotcrete adds axial-force and steel shotcrete bracing strut in advance, design benefit, and the structure is succinct, makes portably, and is with low costs, is suitable for extensive popularization and application.
Therefore, the purpose of the utility model is completely and effectively realized. The functional and structural principles of the present invention have been shown and described in the embodiments, and the embodiments may be modified without departing from the principles. Therefore, the present invention includes all modifications within the spirit and scope of the appended claims.
Claims (10)
1. The utility model provides a steel encloses purlin shear structure for steel shotcrete bracing, encloses purlin and fender pile including the steel, the steel encloses the purlin and vertically sets up and is located the left side of fender pile and paste and cover the lateral wall of fender pile, a serial communication port, steel shotcrete bracing encloses purlin shear structure with steel still includes shear bracket and anchoring piece, wherein:
the shear-resistant support is positioned between the steel purlin and the fender post and is respectively connected with the steel purlin and the fender post, one end of the anchoring piece is anchored in the fender post, and the other end of the anchoring piece is connected with the steel purlin.
2. The steel purlin shear structure for a steel shores diagonal of claim 1, wherein the steel purlin shear structure for a steel shores diagonal further comprises concrete poured between the steel purlin and the fender pile, and the shear brackets and the other end of the anchor are embedded in the concrete.
3. The shear structure of a steel purlin for a steel strut diagonal brace of claim 1, wherein the shear bracket has longitudinal straight edges and transverse straight edges, the longitudinal straight edges and the transverse straight edges are vertically connected with each other, the longitudinal straight edges are attached to and connected with the steel purlin, and the transverse straight edges abut against and are connected with side walls of the fender post.
4. The steel purlin shear structure for steel shotcrete diagonal braces of claim 3, wherein the steel purlin shear structure for steel shotcrete diagonal braces further comprises longitudinal fasteners connecting the lateral straight edges and the side walls of the fender piles, respectively.
5. The shear structure for a steel purlin for a steel bracing diagonal brace of claim 4, wherein the longitudinal fastener is an expansion bolt, and the expansion bolt is sequentially inserted through and connected with the transverse straight edge and the side wall of the fender post.
6. The steel purlin shear structure for steel shotcrete diagonal bracing of claim 1, wherein the steel purlin shear structure for steel shotcrete diagonal bracing further comprises a mortar cushion layer, wherein the side wall of the fender post is a rough side wall, the mortar cushion layer is arranged on the rough side wall, and the steel purlin is attached to the mortar cushion layer.
7. The steel purlin shear structure for a steel strut diagonal brace of claim 1, wherein the anchor is transversely disposed, one end of the anchor is a right end of the anchor, and the other end of the anchor is a left end of the anchor.
8. The steel purlin shear structure for a steel strut diagonal brace of claim 1, wherein the number of the anchors is plural, and the plural anchors are spaced apart from each other.
9. The steel purlin shear structure for a steel strut diagonal brace of claim 1, further comprising an anchor connector connecting the other end of the anchor and the steel purlin, respectively.
10. The shear structure for a steel purlin of a steel strut diagonal brace of claim 9, wherein the anchor connector is a nut, and the other end of the anchor passes through the steel purlin and the nut and is in threaded engagement with the nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922051312.6U CN211547742U (en) | 2019-11-25 | 2019-11-25 | Steel purlin shear structure for steel shotcrete bracing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922051312.6U CN211547742U (en) | 2019-11-25 | 2019-11-25 | Steel purlin shear structure for steel shotcrete bracing |
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| Publication Number | Publication Date |
|---|---|
| CN211547742U true CN211547742U (en) | 2020-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922051312.6U Active CN211547742U (en) | 2019-11-25 | 2019-11-25 | Steel purlin shear structure for steel shotcrete bracing |
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| CN (1) | CN211547742U (en) |
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- 2019-11-25 CN CN201922051312.6U patent/CN211547742U/en active Active
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