CN214784004U - Steel sheet pile foundation pit supporting structure - Google Patents
Steel sheet pile foundation pit supporting structure Download PDFInfo
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- CN214784004U CN214784004U CN202121314804.0U CN202121314804U CN214784004U CN 214784004 U CN214784004 U CN 214784004U CN 202121314804 U CN202121314804 U CN 202121314804U CN 214784004 U CN214784004 U CN 214784004U
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Abstract
The utility model relates to a steel sheet pile foundation pit supporting structure, which comprises a plurality of steel sheet piles, wherein each steel sheet pile comprises a back plate and two side plates, the two side plates are respectively positioned at two opposite sides of the back plate, one of the two side plates is set as a first side plate, the other side plate is set as a second side plate, the first side plate and the second side plate are gradually away from each other along the direction away from the back plate, one side of the first side plate away from the back plate is bent towards the direction away from the second side plate to form a first lock opening part with an arc plate structure, and one side of the second side plate away from the back plate is bent towards the direction close to the first side plate to form a second lock opening part with an arc plate structure; the inner peripheral surface of the first lock opening part is matched with the outer peripheral surface of the second lock opening part, and the arc angles of the first lock opening part and the second lock opening part are both larger than 180 degrees; when two adjacent steel sheet piles are connected, the second locking notch part of one of the steel sheet piles is positioned on the inner side of the first locking notch part of the other steel sheet pile, so that the two steel sheet piles form a clamping effect. This application has the comparatively convenient advantage of messenger's steel sheet pile connection.
Description
Technical Field
The application relates to the field of geotechnical engineering, in particular to a steel sheet pile foundation pit supporting structure.
Background
The foundation pit is a soil pit excavated at a foundation design position according to the base elevation and the base plane size, wherein the excavation depth exceeds 5 meters, or the excavation depth does not exceed 5 meters, but the foundation pit excavation engineering with particularly complex geological conditions, surrounding environment and underground pipelines is the deep foundation pit. In order to ensure the safety of the construction of the underground structure and the surrounding environment of the foundation pit, the side wall of the foundation pit needs to be reinforced by adopting protective measures such as retaining and the like; the steel sheet pile support is a common deep foundation pit support structure.
If the patent of the grant publication No. CN211816280 discloses a steel sheet pile foundation pit supporting structure, which belongs to the technical field of buildings, the technical scheme is that the steel sheet pile foundation pit supporting structure is formed by assembling a plurality of steel sheet units end to end, each steel sheet unit comprises a connecting plate and bending plates fixedly arranged on two sides of the connecting plate, and the two bending plates extend reversely; one side of one of the bending plates, which is far away from the connecting plate, is fixedly connected with a positioning groove, and one side of the positioning groove, which is far away from the connecting plate, is provided with a slot; and one side of the other bending plate, which is far away from the connecting plate, is fixedly connected with a positioning rod matched with the positioning groove.
To above-mentioned correlation technique, the inventor thinks, insert through locating lever and constant head tank between its adjacent steel sheet unit and establish the back and carry out the joint, constant head tank and locating lever grafting complex length are longer, and grafting process resistance is great to the excavation supporting service environment is the environment of many stones, muddy water, and silt is attached to easily on the surface of constant head tank and locating lever, and the resistance that makes the grafting process is bigger, and the connection process of steel sheet pile excavation supporting structure is comparatively inconvenient.
SUMMERY OF THE UTILITY MODEL
More convenient when using in the steel sheet pile who struts the foundation ditch to connect in order to reduce, this application provides a steel sheet pile foundation ditch bearing structure.
The application provides a steel sheet pile foundation ditch bearing structure adopts following technical scheme:
a steel sheet pile foundation pit supporting structure comprises a plurality of steel sheet piles, wherein each steel sheet pile comprises a back plate and two side plates, the two side plates are respectively positioned on two opposite sides of the back plate, one of the two side plates is set as a first side plate, the other side plate is set as a second side plate, the first side plate and the second side plate are gradually away from each other along the direction away from the back plate, one side, away from the back plate, of the first side plate is bent to the direction away from the second side plate to form a first lock opening portion of an arc plate structure, and one side, away from the back plate, of the second side plate is bent to the direction close to the first side plate to form a second lock opening portion of the arc plate structure; the inner peripheral surface of the first lock opening part is matched with the outer peripheral surface of the second lock opening part, and the arc angles of the first lock opening part and the second lock opening part are both larger than 180 degrees; when two adjacent steel sheet piles are connected, the second locking notch part of one of the steel sheet piles is positioned on the inner side of the first locking notch part of the other steel sheet pile, so that the two steel sheet piles form a clamping effect.
By adopting the technical scheme, in the process of splicing the steel sheet piles, the second locking port part of the steel sheet pile to be spliced is hooked on the first locking port part of the other steel sheet pile in a positioning state, then the steel sheet pile to be spliced is rotated until the back plates of the two steel sheet piles are in a parallel state, and at the moment, the second locking port part of the steel sheet pile to be spliced is positioned on the inner side of the first locking port part of the other steel sheet pile, so that the two steel sheet piles form a clamping effect; because the outer peripheral surface of the second lock opening part is matched with the inner peripheral surface of the first lock opening part, the two steel sheet piles are not easy to move relatively after being spliced, and the two steel sheet piles are matched tightly; in the process of splicing the two steel sheet piles, the two steel sheet piles are hooked firstly and then rotate relatively to form a clamping effect, and the resistance borne by the two steel sheet piles is relatively small when the two steel sheet piles are connected, so that the process of connecting the two steel sheet piles is relatively convenient.
Optionally, the first locking opening portion is provided with a first jack, the second locking opening portion is provided with a second jack, and a bolt is inserted between the first locking opening portion of one of the steel sheet piles and the second locking opening portion of the other steel sheet pile through the first jack and the second jack.
Through adopting above-mentioned technical scheme, the bolt is established with the second fore shaft portion of another steel sheet pile to the first fore shaft portion of one of them steel sheet pile inserts jointly, makes and receives the positioning action of bolt between two steel sheet piles to make between two steel sheet piles difficult the dislocation along vertical direction of appearing after connecting the completion.
Optionally, the first jack and the second jack are both long holes, the length direction of the first jack extends along the circumferential direction of the first locking port portion, and the second jack extends along the circumferential direction of the second locking port portion.
Through adopting above-mentioned technical scheme, first jack is established to the slot hole with the second jack, makes the bolt insert first jack and second jack comparatively easily.
Optionally, the first jack and the second jack have the same width, the plug pin includes a polished rod portion, a threaded portion and a cap head, the diameter of the polished rod portion is smaller than or equal to the width of the first jack, the thread of the threaded portion is a self-tapping thread, and the thread of the threaded portion has a larger diameter than the width of the first jack.
Through adopting above-mentioned technical scheme, when bolt connection is in succession a steel sheet pile, the polished rod portion of bolt passes the first jack of one of them steel sheet pile in proper order, passes the second jack of another steel sheet pile again, and the cap head is pulled to the rethread, makes the screw portion of bolt form threaded connection with the pore wall of first jack and the pore wall of second jack to make the locating pin receive the location, be difficult for dropping.
Optionally, the back plate is hinged to a supporting plate for supporting the steel sheet pile, a hinge center line between the supporting plate and the back plate is parallel to a center line of the first lock opening, and the supporting plate and the two side plates are located on the same side of the back plate.
Through adopting above-mentioned technical scheme, the backup pad can play the effect of strengthening the support to the steel sheet pile, and the backup pad is articulated with the backplate of steel sheet pile, makes the backup pad can be rotatory by the relative steel sheet pile, before connecting two steel sheet piles, can make the rotatory backplate that is close to the steel sheet pile of backup pad to make the comparatively convenient transport of steel sheet pile.
Optionally, a sleeve is fixedly arranged on the surface of the supporting plate, a central line of the sleeve is perpendicular to a hinged central line between the supporting plate and the back plate, an insertion rod is inserted into the sleeve, and a through hole for the insertion rod to be inserted into is formed in the back plate.
By adopting the technical scheme, the inserted bar sequentially penetrates through the sleeve and the through hole, so that the supporting plate is positioned, and the supporting plate stably supports the steel sheet pile.
Optionally, a magnet is fixedly arranged on the back plate, the support plate is a steel plate, and the magnet is used for forcing the support plate to be close to the back plate.
Through adopting above-mentioned technical scheme, in steel sheet pile transport and installation, the magnetic attraction between backup pad accessible self and the magnet is close to the backplate, reduces rocking of backup pad in steel sheet pile transport and installation.
Optionally, the lower edge of the supporting plate is higher than the lower edge of the back plate, a wedge block is detachably arranged below the supporting plate, and the upper surface of the wedge block abuts against the lower edge of the supporting plate.
Through adopting above-mentioned technical scheme, the backup pad passes through the wedge and strengthens the support to the steel sheet pile, and the wedge can force the backup pad lifting to make the backup pad drive the backplate of steel sheet pile to the orientation beat of foundation ditch pithead, thereby make the pit wall of foundation ditch is hugged closely to the backplate of steel sheet pile, in order to strengthen the supporting role to the foundation ditch.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the first lock opening part and the second lock opening part on the steel sheet piles are arranged, so that when the two steel sheet piles are spliced, the first lock opening part of one steel sheet pile is hooked with the second lock opening part of the other steel sheet pile, and then the steel sheet piles rotate relatively to form a clamping effect;
2. through setting up the bolt, when two steel sheet piles are connected, the bolt is established with the second fore shaft portion of another steel sheet pile to the first fore shaft portion of one of them steel sheet pile inserts jointly, makes the positioning action who receives the bolt between two steel sheet piles to make between two steel sheet piles difficult the dislocation along vertical direction of appearing after connecting the completion.
Drawings
Fig. 1 is a schematic diagram of the present embodiment for showing a connection state of two steel sheet piles.
Fig. 2 is a partial enlarged view at a in fig. 1.
Fig. 3 is a partial enlarged view at B in fig. 1.
Fig. 4 is a schematic structural view of the plug of the present embodiment.
Description of reference numerals: 1. steel sheet piles; 11. a back plate; 111. a through hole; 12. a side plate; 121. a first side plate; 122. a second side plate; 123. a first lock port portion; 1231. a first locking notch; 1232. a first jack; 124. a second locking notch part; 1241. a second locking notch; 1242. a second jack; 2. a bolt; 21. a light bar section; 22. a threaded portion; 23. a cap head; 3. a support plate; 4. a wedge block; 5. a magnet; 6. a sleeve; 7. and (4) inserting the rod.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses 1 foundation ditch bearing structure of steel sheet pile. Referring to fig. 1, the foundation pit supporting structure of the steel sheet pile 1 comprises a plurality of steel sheet piles 1, each steel sheet pile 1 comprises a back plate 11 and two side plates 12, the two side plates 12 are respectively located on two opposite sides of the back plate 11, the back plate 11 and the two side plates 12 are integrally bent and formed, and the two side plates 12 are gradually and oppositely opened; one of the two side plates 12 is set as a first side plate 121, the other side plate is set as a second side plate 122, one side of the first side plate 121, which is far away from the back plate 11, is integrally bent and formed with a first lock opening portion 123 in the direction of being far away from the second side plate 122, one side of the second side plate 122, which is far away from the back plate 11, is integrally bent and formed with a second lock opening portion 124 in the direction of being close to the first side plate 121, and clamping locking is achieved between two adjacent steel sheet piles 1 through the first lock opening portion 123 and the second lock opening portion 124.
In the use process of the steel sheet pile 1, one side face, far away from the two side plates 12, of the back plate 11 of the steel sheet pile 1 is attached to the pit wall of the foundation pit so as to support the foundation pit.
Referring to fig. 1 and 2, the first locking opening portion 123 and the second locking opening portion 124 are both arc plate structures, and the arc angles of the first locking opening portion 123 and the second locking opening portion 124 are both greater than 180 °; the diameter of the inner peripheral surface of the first locking port portion 123 is equal to the diameter of the outer peripheral surface of the second locking port portion 124; a gap between the first locking hole portion 123 and the first side plate 121 is set as a first locking hole 1231, and a gap between the second locking hole portion 124 and the second side plate 122 is set as a second locking hole 1241.
When two adjacent steel sheet piles 1 are connected, the steel sheet pile 1 to be spliced hooks the first lock opening part 123 of another steel sheet pile 1 in a positioning state through the second lock opening part 124, and then the steel sheet pile 1 to be spliced is rotated until the second lock opening part 124 of the steel sheet pile 1 to be spliced is positioned at the inner side of the first lock opening part 123 of the steel sheet pile 1 in the positioning state and is mutually attached, so that the two steel sheet piles 1 form a clamping effect; when two adjacent steel sheet piles 1 are connected through the process, the resistance is small, and the connection process is convenient.
Referring to fig. 1 and 3, the first locking hole portion 123 is provided with a first insertion hole 1232, the second locking hole portion 124 is provided with a second insertion hole 1242, the first insertion hole 1232 and the second insertion hole 1242 are both long holes and have the same width, the length direction of the first insertion hole 1232 extends along the circumferential direction of the first locking hole portion 123, and the length direction of the second insertion hole 1242 extends along the circumferential direction of the second locking hole portion 124; when two steel sheet piles 1 are connected, a bolt 2 is inserted between the first lock opening portion 123 of one of the steel sheet piles 1 and the second lock opening portion 124 of the other steel sheet pile 1 through the first insertion hole 1232 and the second insertion hole 1242, and the bolt 2 can limit the dislocation between the two adjacent steel sheet piles 1 along the vertical direction.
Referring to fig. 3 and 4, the plug pin 2 includes a shank 21, a thread part 22, and a cap head 23 of an outer hexagonal structure, the shank 21 having a diameter equal to the width of the first insertion hole 1232, the thread of the thread part 22 being a self-tapping thread, the thread of the thread part 22 having a larger diameter than the width of the first insertion hole 1232; when the plug pin 2 is inserted into the first inserting hole 1232 and the second inserting hole 1242, the smooth rod portion 21 of the plug pin 2 is firstly made to penetrate through the first inserting hole 1232 and the second inserting hole 1242, and then the cap head 23 is turned by a tool plate such as a wrench, so that the threaded portion 22 of the plug pin 2 is simultaneously in threaded connection with the hole wall of the first inserting hole 1232 and the hole wall of the second inserting hole 1242, and the situation that the plug pin 2 falls off is reduced.
Referring to fig. 1, a back plate 11 of a steel sheet pile 1 is hinged with a support plate 3, the support plate 3 is a steel sheet, a hinge center line between the support plate 3 and the back plate 11 is parallel to a center line of a first lock opening 123, and the support plate 3 and two side plates 12 are located on the same side of the back plate 11; the lower edge of the supporting plate 3 is higher than the lower edge of the back plate 11, a wedge block 4 is detachably arranged below the supporting plate 3, and the upper surface of the wedge block 4 is abutted to the lower edge of the supporting plate 3; the wedge-shaped block 4 can force the supporting plate 3 to be lifted, so that the back plate 11 of the steel sheet pile 1 is forced to be attached to the pit wall of the foundation pit, and the supporting effect on the foundation pit is enhanced.
Referring to fig. 1, the backplate 11 is close to setting firmly magnet 5 of backup pad 3 one side, and when backup pad 3 rotated and is close to magnet, the magnetic attraction between magnet 5 and the backup pad 3 forces backup pad 3 to be close to backplate 11, makes backup pad 3 receive the location to in the transport with installation steel sheet pile 1.
Referring to fig. 1, a steel sleeve 6 is welded on the surface of a support plate 3 in a cylindrical contact manner, the center line of the sleeve 6 is perpendicular to the hinge center line between the support plate 3 and a back plate 11, an insertion rod 7 is inserted into the sleeve 6, and a through hole 111 for inserting the insertion rod 7 is formed in the back plate 11; when the supporting plate 3 is in a supporting state, the inserting rod 7 can sequentially penetrate through the sleeve 6 and the through hole 111 on the back plate 11, so that the supporting plate 3 is positioned, and the supporting plate 3 can stably support the steel sheet pile 1.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a steel sheet pile foundation ditch bearing structure which characterized in that: the steel sheet pile structure comprises a plurality of steel sheet piles (1), wherein each steel sheet pile (1) comprises a back plate (11) and two side plates (12), the two side plates (12) are respectively positioned at two opposite sides of the back plate (11), one of the two side plates (12) is set as a first side plate (121), the other side plate is set as a second side plate (122), the first side plate (121) and the second side plate (122) are gradually far away from each other along the direction far away from the back plate (11), one side, far away from the back plate (11), of the first side plate (121) is bent to the direction far away from the second side plate (122) to form a first lock opening part (123) with an arc plate structure, and one side, far away from the back plate (11), of the second side plate (122) is bent to the direction close to the first side plate (121) to form a second lock opening part (124) with an arc plate structure; the inner peripheral surface of the first lock opening part (123) is matched with the outer peripheral surface of the second lock opening part (124), and the arc angles of the first lock opening part (123) and the second lock opening part (124) are larger than 180 degrees; when two adjacent steel sheet piles (1) are connected, the second lock opening part (124) of one of the steel sheet piles (1) is positioned on the inner side of the first lock opening part (123) of the other steel sheet pile (1), so that the two steel sheet piles (1) form a clamping effect.
2. The steel sheet pile foundation pit supporting structure of claim 1, wherein: the first lock opening part (123) is provided with a first insertion hole (1232), the second lock opening part (124) is provided with a second insertion hole (1242), and a bolt (2) is inserted between the first lock opening part (123) of one steel sheet pile (1) and the second lock opening part (124) of the other steel sheet pile (1) through the first insertion hole (1232) and the second insertion hole (1242).
3. The steel sheet pile foundation pit supporting structure of claim 2, wherein: the first insertion hole (1232) and the second insertion hole (1242) are both long holes, the length direction of the first insertion hole (1232) extends along the circumferential direction of the first locking port portion (123), and the second insertion hole (1242) extends along the circumferential direction of the second locking port portion (124).
4. The steel sheet pile foundation pit supporting structure of claim 3, wherein: the width of the first jack (1232) is the same as that of the second jack (1242), the plug pin (2) comprises a polished rod part (21), a threaded part (22) and a cap head (23), the diameter of the polished rod part (21) is smaller than or equal to that of the first jack (1232), the thread of the threaded part (22) is a self-tapping thread, and the thread of the threaded part (22) has a larger diameter than that of the first jack (1232).
5. The steel sheet pile foundation pit supporting structure of claim 1, wherein: the steel sheet pile locking structure is characterized in that the back plate (11) is hinged to a supporting plate (3) used for supporting the steel sheet pile (1), a hinge center line between the supporting plate (3) and the back plate (11) is parallel to a center line of the first locking opening portion (123), and the supporting plate (3) and the two side plates (12) are located on the same side of the back plate (11).
6. The steel sheet pile foundation pit supporting structure of claim 5, wherein: the surface of the supporting plate (3) is fixedly provided with a sleeve (6), the central line of the sleeve (6) is perpendicular to the hinged central line between the supporting plate (3) and the back plate (11), the sleeve (6) is inserted with an insertion rod (7), and the back plate (11) is provided with a through hole (111) for the insertion rod (7) to be inserted.
7. The steel sheet pile foundation pit supporting structure of claim 5, wherein: the back plate (11) is fixedly provided with a magnet (5), the supporting plate (3) is a steel plate, and the magnet (5) is used for forcing the supporting plate (3) to be close to the back plate (11).
8. The steel sheet pile foundation pit supporting structure of claim 5, wherein: the lower limb of backup pad (3) is higher than the lower limb of backplate (11), the below of backup pad (3) is provided with wedge (4) by separable, the upper surface butt of wedge (4) the lower limb of backup pad (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121314804.0U CN214784004U (en) | 2021-06-11 | 2021-06-11 | Steel sheet pile foundation pit supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121314804.0U CN214784004U (en) | 2021-06-11 | 2021-06-11 | Steel sheet pile foundation pit supporting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214784004U true CN214784004U (en) | 2021-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121314804.0U Active CN214784004U (en) | 2021-06-11 | 2021-06-11 | Steel sheet pile foundation pit supporting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214784004U (en) |
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2021
- 2021-06-11 CN CN202121314804.0U patent/CN214784004U/en active Active
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