CN211973512U - Steel sheet pile foundation pit supporting structure - Google Patents
Steel sheet pile foundation pit supporting structure Download PDFInfo
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- CN211973512U CN211973512U CN202020014797.1U CN202020014797U CN211973512U CN 211973512 U CN211973512 U CN 211973512U CN 202020014797 U CN202020014797 U CN 202020014797U CN 211973512 U CN211973512 U CN 211973512U
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Abstract
The utility model relates to a steel sheet pile foundation ditch supporting construction, including steel sheet pile, crossbeam and a supporting beam, the steel sheet pile is formed by the horizontal concatenation of a plurality of channel-section steel units, and the channel-section steel unit is including a bottom plate and two blocks of curb plates that are U-shaped and distribute, and the orientation of the notch of two adjacent channel-section steel units is opposite, is provided with many card strips on the curb plate, and the card strip is arranged along the width direction interval of curb plate, forms the draw-in groove between two adjacent card strips, and two adjacent channel-section steel units are connected through the card strip on the curb plate and the. The utility model discloses two adjacent channel-section steel units are connected through draw-in groove and card strip on the curb plate, and the effort each other can distribute along the width direction of curb plate when both cooperate, avoid the curb plate to take place bending deformation and lead to two channel-section steel units can not accurately connect, increased channel-section steel unit reuse rate; the utility model discloses can satisfy the stability, the security requirement of excavation supporting to the foundation ditch lateral wall, simple structure is reliable, not fragile, and reuse rate 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 piles are section steel with hook parts on the edges, and the steel sheet piles are connected with each other through the hook parts on the edges to form a continuous and compact steel structure body of the retaining wall or the water retaining wall. In the prior art, the hook part of the steel sheet pile is mostly hook-shaped, and the hook-shaped hook part is easy to deform due to long-term stress of the steel sheet pile, so that the overall connection strength and stability of a steel structure body are influenced. In addition, the steel sheet piles are connected only by buckling the hook parts, so that the stress of the hook parts is concentrated, and the hook parts are deformed over time.
For example, 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 bending plates which are arranged at two edges of the connecting plate in the length direction and extend reversely, an insertion piece which is surrounded by two pieces is arranged at the outer edge of one bending plate along the length direction, and a clamping strip which can be inserted between two insertion pieces of the other steel sheet unit and clamps the two insertion pieces is arranged at the outer edge of the other bending plate along the length direction; the surface of each connecting plate is provided with a locking long hole aligned with each other, the connecting plates of a plurality of steel plate units arranged in sequence are matched with a connecting rod together, the locking long hole is formed by communicating a through hole for the connecting rod to pass through and a locking hole with the radial dimension smaller than the outer diameter of the connecting rod, and the connecting rod is uniformly provided with a plurality of inserting grooves for inserting the edges of the locking holes along the length direction of the connecting rod.
SUMMERY OF THE UTILITY MODEL
The utility model provides a solve above-mentioned technical problem and provide a steel sheet pile underground structure.
The above object of the present invention can be achieved by the following technical solutions: the utility model provides a steel sheet pile foundation pit supporting construction, includes the steel sheet pile that bilateral symmetry set up, fixes crossbeam on the steel sheet pile and supports a supporting beam between the crossbeam of both sides, the steel sheet pile is formed by the horizontal concatenation of a plurality of channel-section steel units, the channel-section steel unit is including a bottom plate and two blocks of curb plates that are U-shaped distribution, and the orientation of the notch of two adjacent channel-section steel units is opposite, and the curb plate of these two channel-section steel units laminates each other, be provided with many card strips on the curb plate, the card strip is arranged along the width direction interval of curb plate, forms the draw-in groove between two adjacent card strips, and two adjacent channel-section steel units pass through the card strip.
Preferably, the cross section of the clamping strip is trapezoidal, and the width of the clamping strip is gradually increased from the side plate to the outer side.
Preferably, the end part of each side plate is provided with a bending plate, the bending plates, the side plates and the bottom plate are distributed in a Z shape, and the bending plates are used for abutting against the outer sides of the bottom plates of the adjacent channel steel units.
Preferably, the bending plate is disposed parallel to the base plate and has a width less than 1/2 of the width of the base plate.
Preferably, the side plates are obliquely arranged relative to the bottom plate, and an included angle between each side plate and the corresponding bottom plate is an obtuse angle.
Preferably, a reinforcing rib plate is arranged in the channel steel unit, and the reinforcing rib plate is fixedly connected between the side plates on the two sides.
Preferably, a gap is provided between an end of the reinforcing rib and the bottom plate of the channel unit.
Preferably, the channel steel unit is provided with a support frame, and the cross beam is erected on the support frame.
Preferably, the two ends of the support beam are provided with connecting plates, and the connecting plates are connected to the cross beam through fasteners.
Preferably, the end of the support beam is further provided with a frame plate for erecting above the cross beam, and the frame plate extends outwards from the end of the support beam to above the cross beam.
The utility model has the advantages that:
1. the utility model discloses two adjacent channel-section steel units are connected through draw-in groove and card strip on the curb plate, and the effort each other can distribute along the width direction of curb plate when both cooperate, avoid the curb plate to take place bending deformation and lead to two channel-section steel units can not accurately connect, increased channel-section steel unit reuse rate;
2. the cross section of each clamping strip is trapezoidal, and the clamping groove between the two clamping strips is correspondingly of a trapezoidal structure, so that the two channel steel units can be prevented from being separated due to the fact that the two channel steel units are connected;
3. the utility model discloses can satisfy the stability, the security requirement of excavation supporting to the foundation ditch lateral wall, simple structure is reliable, not fragile, and reuse rate is high.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a top view of an embodiment of the invention;
fig. 3 is a cross-sectional view of a channel unit in an embodiment of the invention;
in the figure: 1-steel sheet pile, 11-channel steel unit, 111-bottom plate, 112-side plate, 113-bending plate, 114-clamping strip, 115-clamping groove, 116-reinforcing rib plate, 2-beam, 3-supporting beam, 31-connecting plate, 32-frame plate and 4-supporting frame.
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 (b): as shown in fig. 1, 2 and 3, a steel sheet pile 1 foundation pit supporting structure comprises steel sheet piles 1, cross beams 2 and supporting beams 3, wherein the steel sheet piles 1 are symmetrically distributed in a foundation pit, the lower ends of the steel sheet piles 1 are inserted into the bottom of the foundation pit, and the cross beams 2 are horizontally fixed on the steel sheet piles 1. The supporting beam 3 is horizontally arranged, and two ends of the supporting beam are respectively connected to the cross beams at the corresponding ends and used for supporting the steel sheet piles 1 at two sides.
The two ends of the support beam 3 are provided with connecting plates 31, and the connecting plates 31 are connected to the cross beam 2 by fasteners (such as bolts). The ends of the support beam 3 are also provided with shelves 32 for erecting above the cross beam 2, the shelves 32 extending outwardly from the ends of the support beam 3 above the cross beam 2.
As shown in fig. 2 and 3, the steel sheet pile 1 is formed by transversely splicing a plurality of channel steel units 11, and the specific number is determined by the length of the foundation pit. Channel-section steel unit 11 is the U-shaped channel-section steel, including a bottom plate 111 and two curb plates 112, and the three is the U-shaped distribution, and curb plate 112 is the slope setting for bottom plate 111, and the contained angle between curb plate 112 and the bottom plate 111 is the obtuse angle.
The orientations of the notches of two adjacent channel steel units 11 are opposite, and the side plates 112 of the two channel steel units 11 are attached to each other.
The end of the side plate 112 is provided with a bent plate 113, and the bent plate 113 is used to abut against the outer side of the bottom plate 111 of the adjacent channel unit 11. The bending plate 113 is parallel to the bottom plate 111, the bending plate 113, the side plates 112 and the bottom plate 111 are distributed in a zigzag manner, and the width of the bending plate 113 is smaller than 1/2 of the width of the bottom plate 111.
Be provided with support frame 4 on channel-section steel unit 11, support frame 4 passes through bolted connection or welds on notch towards the inboard channel-section steel unit 11 of foundation ditch, and crossbeam 2 erects on support frame 4 to through bolted connection on this channel-section steel unit 11.
As shown in FIG. 3, the side panel 112 is provided with a plurality of fastener strips 114, such as 4-6 strips. The clip strips 114 are vertically arranged, i.e., extend along the length of the channel unit 11. Meanwhile, a plurality of clamping strips 114 on the same side plate 112 are arranged at intervals along the width direction of the side plate 112, so that a clamping groove 115 is formed between two adjacent clamping strips 114, and two adjacent channel steel units 11 are connected with the clamping groove 115 in a clamped manner through the clamping strips 114 on the side plate 112.
The cross section of the clamping strip 114 is trapezoidal, and the width of the clamping strip 114 is gradually increased from the side plate 112 to the outer side. The cross section of the clamping groove 115 is matched with that of the clamping strip 114, and the two channel steel units 11 cannot be separated even if being subjected to a pulling force in the transverse direction after being clamped.
The channel unit 11 is provided with a reinforcing rib 116, the reinforcing rib 116 is fixedly connected between the side plates 112 on both sides, and the reinforcing rib 116 can improve the supporting effect for the two side plates 112 and prevent the side plates 112 from bending towards the inner side or the outer side of the U-shaped groove. A gap is provided between the end of the reinforcing rib and the floor 111 of the channel unit 11, and rainwater is prevented from accumulating in the channel unit 11.
Claims (10)
1. The utility model provides a steel sheet pile foundation ditch supporting construction, includes steel sheet pile (1) that bilateral symmetry set up, fixes crossbeam (2) on steel sheet pile (1) and supports a supporting beam (3) between both sides crossbeam (2), its characterized in that: steel sheet pile (1) is formed by the horizontal concatenation of a plurality of channel-section steel units (11), channel-section steel unit (11) are including a bottom plate (111) and two blocks of curb plate (112) that are the U-shaped distribution, and the orientation of the notch of two adjacent channel-section steel units (11) is opposite, and just curb plate (112) of these two channel-section steel units (11) laminate each other, be provided with many card strip (114) on curb plate (112), card strip (114) are arranged along the width direction interval of curb plate (112), form draw-in groove (115) between two adjacent card strip (114), and two adjacent channel-section steel units (11) are connected through card strip (114) on curb plate (112) and draw-in groove (115) mutual joint.
2. The steel sheet pile foundation pit supporting structure of claim 1, wherein: the cross section of the clamping strip (114) is trapezoidal, and the width of the clamping strip (114) is gradually increased from the side plate (112) to the outer side direction.
3. The steel sheet pile foundation pit supporting structure of claim 1, wherein: the end part of the side plate (112) is provided with a bending plate (113), the side plate (112) and the bottom plate (111) are distributed in a Z shape, and the bending plate (113) is used for abutting against the outer side of the bottom plate (111) of the adjacent channel steel unit (11).
4. The steel sheet pile foundation pit supporting structure of claim 3, wherein: the bending plate (113) is arranged in parallel with the bottom plate (111), and the width of the bending plate (113) is smaller than 1/2 of the width of the bottom plate (111).
5. The steel sheet pile foundation pit supporting structure of claim 3, wherein: the side plate (112) is obliquely arranged relative to the bottom plate (111), and an included angle between the side plate (112) and the bottom plate (111) is an obtuse angle.
6. The steel sheet pile foundation pit supporting structure of claim 1, wherein: and reinforcing ribs (116) are arranged in the channel steel unit (11), and the reinforcing ribs (116) are fixedly connected between the side plates (112) on the two sides.
7. The steel sheet pile foundation pit supporting structure of claim 6, wherein: a gap is arranged between the end part of the reinforcing rib plate and the bottom plate (111) of the channel steel unit (11).
8. The steel sheet pile foundation pit supporting structure of claim 1, wherein: the channel steel unit (11) is provided with a support frame (4), and the cross beam (2) is erected on the support frame (4).
9. The steel sheet pile foundation pit supporting structure of claim 1, wherein: and connecting plates (31) are arranged at two ends of the supporting beam (3), and the connecting plates (31) are connected to the cross beam (2) through fasteners.
10. The steel sheet pile foundation pit supporting structure of claim 9, wherein: the end of the supporting beam (3) is also provided with a frame plate (32) which is used for erecting above the cross beam (2), and the frame plate (32) extends outwards to the upper part of the cross beam (2) from the end of the supporting beam (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020014797.1U CN211973512U (en) | 2020-01-06 | 2020-01-06 | Steel sheet pile foundation pit supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020014797.1U CN211973512U (en) | 2020-01-06 | 2020-01-06 | Steel sheet pile foundation pit supporting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211973512U true CN211973512U (en) | 2020-11-20 |
Family
ID=73386267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020014797.1U Active CN211973512U (en) | 2020-01-06 | 2020-01-06 | Steel sheet pile foundation pit supporting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211973512U (en) |
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2020
- 2020-01-06 CN CN202020014797.1U patent/CN211973512U/en active Active
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