CN212077952U - Steel sheet pile foundation pit supporting structure - Google Patents
Steel sheet pile foundation pit supporting structure Download PDFInfo
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- CN212077952U CN212077952U CN202020198292.5U CN202020198292U CN212077952U CN 212077952 U CN212077952 U CN 212077952U CN 202020198292 U CN202020198292 U CN 202020198292U CN 212077952 U CN212077952 U CN 212077952U
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Abstract
The utility model relates to a steel sheet pile foundation ditch supporting construction, including steel sheet unit and H shaped steel, steel sheet unit and H shaped steel are the staggered distribution, H shaped steel is connected between two adjacent steel sheet units in the front and back, H shaped steel is including the interior terminal plate and the outer terminal plate that are inside and outside parallel distribution to and connect the connecting plate between interior terminal plate and outer terminal plate, the steel sheet unit is the U type, and the both ends of U type opening part extend to the H shaped steel outside and form and paste the baffle that leans on in the outer terminal plate outside, be connected through the fastener block between baffle and the outer terminal plate. The utility model discloses adopt the better H shaped steel of bending strength to connect between two adjacent steel sheet units, improved the holistic compressive strength of steel sheet pile greatly, the steel sheet unit adopts the fastener to carry out the block with the position of being connected of H shaped steel moreover, and the baffle adopts the face contact with outer terminal plate, prevents to connect position stress concentration, and overall connection intensity is high.
Description
Technical Field
The utility model relates to a excavation supporting technical field, in particular to steel sheet pile excavation supporting construction.
Background
The steel sheet pile is a section steel with hook parts at the edges, and the section of the steel sheet pile has a straight plate shape, a groove shape, a Z shape and the like. The steel sheet piles are connected with each other through the hook parts at the edges of the steel sheet piles to form a continuous and compact steel structure body of the retaining wall or the water retaining wall, and the steel sheet pile retaining wall has the characteristics of quick construction, capability of pulling out the steel sheet piles after foundation pit construction, cyclic utilization, good economy and the like.
The utility model discloses a Chinese utility model patent with application number 201720353182.X discloses a steel sheet pile foundation pit supporting structure, which is formed by splicing a plurality of steel sheet units end to end, wherein each steel sheet unit comprises a connecting plate and two bending plates which are arranged at two edges of the connecting plate in the length direction and extend reversely, the outer edge of one bending plate is provided with two insertion plates which are arranged in an encircling way along the length direction, the outer edge of the other bending plate is provided with a clamping strip which can be inserted between the two insertion plates of the other steel sheet unit and clamps the two insertion plates along the length direction, the surface of each connecting plate is provided with locking long holes in an aligning way, the connecting plates of a plurality of steel sheet units which are arranged in sequence are matched with a connecting rod together, the locking long holes are formed by communicating through holes for the connecting rod to pass through and locking holes with the radial size smaller than the outer diameter of the connecting rod, the connecting rod is uniformly provided with a plurality of insertion grooves for the edges of, the steel sheet pile with the structure has the disadvantages that the steel sheet pile is easy to bend and deform due to the long-term lateral pressure, and the stress concentration and the deformation of the connecting part influence the integral connecting strength and the stability of the steel structure body.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a steel sheet pile underground structure solves among the prior art steel sheet pile compressive strength poor, connect unstable problem.
The above object of the present invention can be achieved by the following technical solutions: the utility model provides a steel sheet pile foundation ditch supporting construction, includes steel sheet unit and H shaped steel, steel sheet unit and H shaped steel are the staggered distribution, H shaped steel is connected between two adjacent steel sheet units in the front and back, H shaped steel is including the interior end plate and the outer end plate that are inside and outside parallel distribution to and connect the connecting plate between interior end plate and outer end plate, the steel sheet unit is the U type, and the both ends of U type opening part extend to the H shaped steel outside and form and paste the baffle of pasting in the outer end plate outside, be connected through the fastener block between baffle and the outer end plate.
Preferably, the fasteners are fixedly connected to the outer side of the outer end plate and are respectively arranged at two ends of the outer end plate, the fasteners and the outer end plate form clamping grooves with openings facing the direction of the steel plate unit, and the baffle is clamped in the clamping grooves.
Preferably, the fastener is of an L-shaped structure and comprises a blocking portion and a connecting portion, the blocking portion and the outer end plate are arranged in parallel, the connecting portion is connected between the blocking portion and the outer end plate, and the clamping groove is formed between the blocking portion and the outer end plate.
Preferably, one end, located at the slot opening of the clamping slot, of the blocking portion is provided with a limiting portion, and the end portion of the baffle is provided with a protrusion used for matching with the limiting portion and preventing the baffle from transversely separating from the clamping slot.
Preferably, the U-shaped opening of the steel plate unit faces the outer side direction of the foundation pit, and the steel plate unit is located in the area between two adjacent H-shaped steels in the front and back.
Preferably, the width of the inner end plate is greater than the width of the outer end plate.
Preferably, one end of the inner end plate extends forwards or backwards to the steel plate unit and abuts against the inner end face of the steel plate unit.
The utility model has the advantages that: the utility model discloses adopt the better H shaped steel of bending strength to connect between two adjacent steel sheet units, improved the holistic compressive strength of steel sheet pile greatly, the steel sheet unit adopts the fastener to carry out the block with the position of being connected of H shaped steel moreover, and the baffle adopts the face contact with outer terminal plate, prevents to connect position stress concentration, and overall connection intensity is high.
Drawings
Fig. 1 is a schematic perspective view of embodiment 1 of the present invention;
fig. 2 is a plan view of embodiment 1 of the present invention;
fig. 3 is a schematic view of the installation of the baffle and the outer end plate in embodiment 2 of the present invention;
fig. 4 is a plan view of embodiment 3 of the present invention;
in the figure: 1-steel plate unit, 101-baffle, 1011-bulge, 2-H-shaped steel, 201-outer end plate, 202-inner end plate, 203-connecting plate, 204-fastener, 2041-blocking part, 2042-connecting part, 2043-limiting part and 205-clamping groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent laws within the scope of the claims of the present invention.
Example 1: as shown in figures 1 and 2, a steel sheet pile foundation pit supporting structure comprises steel sheet units 1 and H-shaped steel 2, wherein the steel sheet units 1 and the H-shaped steel 2 are distributed in a front-back staggered manner, the H-shaped steel 2 is connected between two adjacent steel sheet units 1 in the front-back direction, and the two steel sheet piles are connected into a whole and then fixed at the bottom of a foundation pit and attached to the side wall of the foundation pit.
H shaped steel 2 is including being inside and outside parallel distribution's interior end plate 202 and outer end plate 201 to and connect the connecting plate 203 between interior end plate 202 and outer end plate 201, wherein inside and outside is relative foundation ditch, and it is interior to be close to the foundation ditch direction, keeps away from the foundation ditch direction and is outer.
The steel plate unit 1 is U-shaped, the U-shaped opening of the steel plate unit 1 faces the outer side direction of the foundation pit, and the steel plate unit 1 is located in the area between the front and back adjacent H-shaped steels 2.
Both ends of the U-shaped opening of the steel plate unit 1 extend to the outer side of the H-shaped steel 2 and form a baffle plate 101, and the baffle plate 101 is attached to the outer side of the outer end plate 201. The outer end plate 201 is provided with a fastener 204, and the baffle plate 101 is connected with the outer end plate 201 through the fastener 204 in a clamping manner. The fasteners 204 are fixedly connected to the outer side of the outer end plate 201 by welding, and are respectively arranged at two ends of the outer end plate 201 for connecting the front and rear steel plate units 1.
The fastener 204 is an L-shaped structure, the fastener 204 and the outer end plate 201 form a slot 205 with an opening facing the direction of the steel plate unit 1, and the baffle 101 is clamped in the slot 205. Fastener 204 includes stop 2041 and connecting portion 2042, and stop 2041 and outer end plate 201 parallel arrangement, connecting portion 2042 are connected between stop 2041 and outer end plate 201, form draw-in groove 205 between stop 2041 and the outer end plate 201. During assembly, the H-shaped steel 2 is vertically fixed at the bottom of the foundation pit, then the H-shaped steel 2 is driven into the bottom of the foundation pit from top to bottom at the front side and the rear side of the H-shaped steel 2, and the outer end plate 201 is clamped into the clamping groove.
Example 2: as shown in fig. 3, the difference from embodiment 1 is that one end of the blocking portion 2041 located at the notch of the locking slot 205 is provided with a limiting portion 2043, the end of the baffle 101 is provided with a protrusion 1011, and the limiting portion 2043 cooperates with the protrusion 1011 to prevent the baffle 101 from laterally separating from the locking slot 205.
Example 3: as shown in fig. 3, the difference from embodiments 1 and 2 is that the width of the inner end plate 202 is larger than the width of the outer end plate 201. One end of the inner end plate 202 extends forwards or backwards to the steel plate unit 1 and abuts against the inner end face of the steel plate unit 1, namely the end of the steel plate unit 1 corresponding to the U-shaped opening, so that the pressure exerted on the steel plate unit 1 by a foundation pit is distributed on two parts of the inner end plate 202 and the outer end plate 201 of the H-shaped steel 2, and the acting force between the baffle plate 101 and the outer end plate 201 is reduced.
Claims (7)
1. The utility model provides a steel sheet pile foundation ditch supporting construction, includes steel sheet unit (1) and H shaped steel (2), its characterized in that: steel sheet unit (1) and H shaped steel (2) are the staggered distribution, H shaped steel (2) are connected between two adjacent steel sheet units (1) in the front and back, H shaped steel (2) are including inner end plate (202) and outer end plate (201) that are inside and outside parallel distribution to and connect connecting plate (203) between inner end plate (202) and outer end plate (201), steel sheet unit (1) is the U type, and the both ends of U type opening part extend to H shaped steel (2) outside and form baffle (101) of pasting in outer end plate (201) outside, be connected through fastener (204) block between baffle (101) and outer end plate (201).
2. The steel sheet pile foundation pit supporting structure of claim 1, wherein: fastener (204) rigid coupling just sets up respectively at the both ends of outer end plate (201) in the outside of outer end plate (201), fastener (204) and outer end plate (201) form opening towards steel sheet unit (1) direction draw-in groove (205), baffle (101) joint is in draw-in groove (205).
3. The steel sheet pile foundation pit supporting structure of claim 2, wherein: fastener (204) are L shape structure, including stopper portion (2041) and connecting portion (2042), stopper portion (2041) and outer end plate (201) parallel arrangement, connecting portion (2042) are connected between stopper portion (2041) and outer end plate (201), form between stopper portion (2041) and outer end plate (201) draw-in groove (205).
4. The steel sheet pile foundation pit supporting structure of claim 3, wherein: the one end that is located draw-in groove (205) notch department of blocking portion (2041) is provided with spacing portion (2043), the tip of baffle (101) is provided with and is used for cooperating spacing portion (2043), prevents that baffle (101) transversely breaks away from protruding (1011) of draw-in groove (205).
5. The steel sheet pile foundation pit supporting structure of claim 1, wherein: u type opening towards the foundation ditch outside direction of steel sheet unit (1), steel sheet unit (1) is located the region between two adjacent H shaped steel (2) around.
6. The steel sheet pile foundation pit supporting structure of claim 5, wherein: the width of the inner end plate (202) is larger than that of the outer end plate (201).
7. The steel sheet pile foundation pit supporting structure of claim 6, wherein: one end of the inner end plate (202) extends forwards or backwards to the steel plate unit (1) and abuts against the inner end face of the steel plate unit (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020198292.5U CN212077952U (en) | 2020-02-24 | 2020-02-24 | Steel sheet pile foundation pit supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020198292.5U CN212077952U (en) | 2020-02-24 | 2020-02-24 | Steel sheet pile foundation pit supporting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212077952U true CN212077952U (en) | 2020-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020198292.5U Active CN212077952U (en) | 2020-02-24 | 2020-02-24 | Steel sheet pile foundation pit supporting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212077952U (en) |
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2020
- 2020-02-24 CN CN202020198292.5U patent/CN212077952U/en active Active
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