CN218027717U

CN218027717U - Rich water geology suspension steel caisson supporting construction

Info

Publication number: CN218027717U
Application number: CN202221909695.1U
Authority: CN
Inventors: 范锦奎; 黄湧; 邵建国; 刘佳; 刘伟; 蒋卫; 唐云; 孙钰颖; 孙鹏
Original assignee: Power Construction Group Co Ltd
Current assignee: Power Construction Group Co Ltd
Priority date: 2022-07-21
Filing date: 2022-07-21
Publication date: 2022-12-13
Anticipated expiration: 2032-07-21

Abstract

The utility model relates to a rich water geology suspension steel caisson supporting construction, it relates to the technical field of foundation ditch caisson precipitation engineering, including installing the box in the foundation ditch, the bottom half is fixed with first back of the body stupefied, it is stupefied to be fixed with the second back of the body on the box week side. This application has the effect that improves caisson box rigidity.

Description

Water-rich geology suspension steel caisson supporting construction

Technical Field

The application relates to the technical field of foundation pit caisson precipitation engineering, in particular to a water-rich geological suspension steel caisson supporting structure.

Background

The caisson is a box-type structure, and the caisson can be controlled to sink or float by ballast water in the adjusting box, so that the caisson is widely applied to foundation pit dewatering engineering.

In the related art, a caisson structure comprises a box body, wherein the box body is hoisted into a foundation pit, water is continuously injected into the box body, and concrete is poured around and at the bottom of the box body for fixing after the box body sinks to a specified elevation.

In view of the above related technologies, the inventor thinks that when concrete is poured around the box body, the concrete has a large pressure on the side wall of the box body, the side wall of the box body is easy to deform, and further the rigidity of the box body is reduced, so that the concrete is condensed to form uneven pit walls of a foundation pit, and the foundation pit is difficult to adapt to subsequently installed equipment.

SUMMERY OF THE UTILITY MODEL

In order to improve caisson box lateral wall and appear warping under the lateral pressure of concrete, lead to the problem that box rigidity reduces, this application provides a rich water geology suspension steel caisson supporting construction.

The application provides a pair of water-rich geology suspension steel caisson supporting construction adopts following technical scheme:

the utility model provides a rich water geology suspension steel caisson supporting construction, is including installing the box in the foundation ditch, the bottom half is fixed with first back of the body stupefied, it is stupefied that the box week side is gone up to be fixed with the second back of the body.

Through adopting above-mentioned technical scheme, stupefied can improve the bearing capacity of bottom half through the first back of the body, stupefied can promote the compressive property of box lateral wall through the second back of the body, and then strengthen the bulk rigidity of box, make the box difficult emergence deformation under the pressure of concrete to make the equipment looks adaptation of foundation ditch and follow-up installation.

Optionally, the bottom surface of the box body is provided with a grouting hole and an exhaust hole.

Through adopting above-mentioned technical scheme, after the concrete that pours all around of box reached design strength, got rid of the box internal water, carried out high-pressure slip casting to the bottom half through the slip casting hole, the exhaust hole is used for discharging the bottom half air when the slip casting, makes bottom half concrete placement more closely knit.

Optionally, fixing rods are fixed on the side wall of the box body, and the fixing rods are uniformly arranged on the side wall of the box body.

Through adopting above-mentioned technical scheme, when the box concreted all around, the dead lever of fixing on the box lateral wall can increase the bond stress between box and the concrete to improve the connection effect between concrete and the box.

Optionally, install a plurality of gag lever posts on the foundation ditch, it is a plurality of be provided with the connecting rod on the gag lever post, connecting rod and gag lever post pass through the buckle and connect, be formed with spacing chamber between gag lever post and the connecting rod, spacing chamber is used for placing the box.

Through adopting above-mentioned technical scheme, when hoist and mount box and box water injection sink, the spacing chamber that is formed by gag lever post and connecting rod can restrict the box position, and gag lever post and connecting rod and box week side are laminated, can effectively avoid the box to rock, make the box remain stable.

Optionally, the inner walls of two opposite sides of the box body are respectively fixed with a supporting block, and a supporting rod is connected between the two supporting blocks in a butting mode.

Through adopting above-mentioned technical scheme, the inner wall butt of bracing piece one end and box one side, the bracing piece other end and the inner wall butt of box opposite side, the effect that the bracing piece played horizontal support to the box inner wall effectively improves the compressive property of box lateral wall, makes the difficult emergence deformation of box lateral wall under the lateral pressure of concrete.

Optionally, a placing groove for the support rod to be inserted is formed in the support block, the support rod comprises two sleeves, a nut and a screw rod, the nut is in threaded connection with the screw rod, the two sleeves are respectively sleeved at two ends of the screw rod, one end of each sleeve is abutted to the nut, and one end, far away from the screw rod, of each sleeve is abutted to the bottom of the placing groove.

Through adopting above-mentioned technical scheme, the sleeve pipe at bracing piece both ends butt respectively on the relative standing groove tank bottom of box lateral wall, rotates the nut, makes the nut remove towards the direction of supporting shoe, and the nut drives the sleeve pipe and removes towards the direction of supporting shoe, makes the sleeve pipe keep away from the one end of screw rod and supports tightly with the standing groove tank bottom to make the bracing piece laminate box lateral wall more, thereby improve the holding power of bracing piece to the box lateral wall.

Optionally, a fixing groove matched with the sleeve is formed in the groove wall of the placing groove.

Through adopting above-mentioned technical scheme, compare in the bracing piece directly insert establish into the standing groove, need rotate the nut earlier, make the sleeve pipe move towards the direction of keeping away from the supporting shoe, insert again after the adjustment bracing piece length and establish into in the standing groove. Set up the fixed slot on the standing groove cell wall, the bracing piece need not length regulation, directly inserts through the fixed slot and establishes into the standing groove in to reduce staff installation steps, improve the bracing piece installation effectiveness.

Optionally, the sleeve is hinged to two inclined rods, a limiting assembly for limiting the relative positions of the two inclined rods is arranged on the side wall of the box body, and the inclined rods are connected with the side wall of the box body through the limiting assembly.

Through adopting above-mentioned technical scheme, after the down tube is connected to the box lateral wall through spacing subassembly on, form a triangle bearing structure between down tube, sleeve pipe and the box lateral wall, can improve the stability that the bracing piece supported the box lateral wall. The limiting assembly is removed, the inclined rod can be retracted to the two sides of the telescopic rod, and workers can conveniently store and carry the inclined rod.

Optionally, the limiting assembly comprises a connecting plate and a limiting plate, the connecting plate is fixed on the side wall of the box body, the limiting plate is fixed on one end, away from the sleeve, of the inclined rod, and the connecting plate is connected with the limiting plate through a bolt.

Through adopting above-mentioned technical scheme, pass through bolted connection between connecting plate and the limiting plate, the staff of being convenient for installs the down tube on the box lateral wall or dismantles the down tube from the box lateral wall to improve the installation effectiveness of down tube.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the bearing capacity of the bottom of the box body can be improved through the first back ridges, the compression resistance of the side walls of the box body can be improved through the second back ridges, and further the integral rigidity of the box body is enhanced, so that the box body is not easy to deform under the pressure of concrete;

2. after the concrete that pours all around the box reaches design strength, get rid of the box internal water, through the high-pressure slip casting of slip casting hole to bottom half, the exhaust hole is used for discharging bottom half air when the slip casting, makes bottom half concrete placement more closely knit.

Drawings

Fig. 1 is an overall schematic diagram of a water-rich geological suspension steel caisson supporting structure in the embodiment.

Fig. 2 is an internal structural schematic diagram of the water-rich geological suspension steel caisson supporting structure.

Fig. 3 is a partially enlarged schematic view at a in fig. 2.

Description of reference numerals: 1. a box body; 11. a first back ridge; 12. a second back ridge; 13. grouting holes; 14. an exhaust hole; 15. fixing the rod; 2. a limiting rod; 21. a connecting rod; 22. buckling; 23. a limiting cavity; 3. a supporting block; 31. a placement groove; 32. fixing grooves; 4. a support bar; 41. a sleeve; 42. a nut; 43. a screw; 5. a diagonal bar; 6. a limiting component; 61. a connecting plate; 62. and a limiting plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses rich water geology suspension steel caisson supporting construction. Referring to fig. 1, a rich water geology suspension steel caisson supporting construction, including installing box 1 in the foundation ditch, the stupefied 11 of first back of the body 1 bottom fixedly connected with, first back of the body stupefied 11 have two and the interval equal distribution on box 1 bottom surface, the stupefied 12 of second back of the body of fixedly connected with on 1 week side of box. First back of the body stupefied 11 and the stupefied 12 of second back of the body all can be the channel-section steel for improve box 1 integral rigidity. Fixedly connected with dead lever 15 on the 1 lateral wall of box, dead lever 15 evenly is provided with three groups along 1 direction of height of box, and every group dead lever 15 evenly fixes on 1 lateral wall of box, and dead lever 15 can be the reinforcing bar.

Referring to fig. 1, the bottom of the box 1 is provided with two grouting holes 13 and two exhaust holes 14, the two grouting holes 13 and the two exhaust holes 14 are arranged oppositely along a diagonal line of the bottom surface of the box 1, and the two exhaust holes 14 are arranged oppositely along another diagonal line of the bottom surface of the box 1. When the grouting holes 13 are subjected to high-pressure grouting, the concrete flows between the two first back ridges 11 in an extruding manner, so that the bottom surface of the box body 1 and the foundation pit are filled with the concrete.

Referring to fig. 1, in order to reduce the box 1 and take place in the condition of rocking about appearing in the in-process that sinks or concreting, a plurality of gag lever post 2 of fixedly connected with and connecting rod 21 in the foundation ditch, 2 bottoms of gag lever post are inserted and are established in the foundation ditch bottom, the both ends of connecting rod 21 are inserted and are established into the hole wall of the relative both sides of foundation ditch, gag lever post 2 and connecting rod 21 form spacing chamber 23 after connecting through buckle 22, spacing chamber 23 is used for supplying box 1 to place, and spacing chamber 23 plays the positioning action to box 1.

Referring to fig. 2, the inner walls of the two sides of the box body 1 are fixedly connected with the supporting blocks 3, the supporting blocks 3 are provided with the placing grooves 31, the placing grooves 31 are used for placing the supporting rods 4, and the two ends of the supporting rods 4 are in butt joint with the groove bottoms of the placing grooves 31.

Referring to fig. 2, the support rod 4 includes two sleeves 41, a nut 42 and a screw 43, the nut 42 is in threaded connection with the screw 43, the two sleeves 41 are respectively sleeved at two ends of the screw 43, one end of the sleeve 41 away from the screw abuts against the bottom of the placement groove 31, and one end of the sleeve 41 away from the placement groove 31 abuts against the nut 42. In order to facilitate the insertion of the support rod 4 into the placement groove 31, a fixing groove 32 is formed on a groove wall of the placement groove 31 to be engaged with the sleeve 41.

When the worker rotates the nut 42, the nut 42 moves toward the supporting block 3 along the length direction of the screw 43, so that the sleeve 41 moves toward the supporting block 3 along the length direction of the screw 43 along with the nut 42, and the supporting rod 4 abuts against the supporting block, thereby improving the supporting effect of the supporting rod 4 on the inner wall of the box body 1.

Referring to fig. 2 and 3, two slanting rods 5 are ball-hinged on the casing 41, one end of the slanting rod 5 away from the casing 41 is connected with the side wall of the box 1 through a limiting component 6, the limiting component 6 comprises a connecting plate 61 and a limiting plate 62, the connecting plate 61 is fixed on the side wall of the box 1, and the limiting plate 62 is fixed at one end of the slanting rod 5 away from the casing 41. The connecting plates 61 are symmetrically arranged along the central axis of the screw 43, and one is located right above the supporting block 3, and the other is located right below the supporting block 3. The connecting plate 61 and the limiting plate 62 are fixedly connected through bolts, so that the installation and the disassembly of workers are facilitated. After the diagonal rod 5 is connected with the side wall of the box body 1, a triangular supporting structure is formed among the diagonal rod 5, the sleeve 41 and the side wall of the box body 1, so that the stability of the supporting rod 4 for supporting the side wall of the box body 1 is improved.

The implementation principle of the water-rich geological suspension steel caisson supporting structure is as follows: firstly, an operator artificially determines the position of a box body 1, inserts a limiting rod 2 into a foundation pit, then hoists the box body 1 to a proper position, then sets up a connecting rod 21 along the circumference of the box body 1, enables the connecting rod 21 to be inserted into the side wall of the foundation pit, and finally connects the limiting rod 2 and the connecting rod 21 through a buckle 22. Before hoisting the box body 1, seal grouting hole 13 and exhaust hole 14 in the bottom of the box body 1, insert the bracing piece 4 and establish in the standing groove 31, rotate nut 42 and make the bracing piece 4 support tightly with the supporting shoe 3, pass through spacing subassembly 6 with the down tube 5 and the box body 1 lateral wall again and be connected. The box body 1 is hoisted into a limiting cavity 23 formed by the limiting rod 2 and the connecting rod 21, water is injected into the box body 1, after the box body 1 is sunk to a designated elevation, after underground water between the box body 1 and a foundation pit is pumped out, concrete is poured around the box body 1, the buckle 22 is removed before the concrete is condensed, and the limiting rod 2 and the connecting rod 21 are pulled out. And discharging water in the box body 1 after the concrete reaches the designed strength, and opening a grouting hole 13 and an exhaust hole 14 at the bottom of the box body 1 to perform high-pressure filling grouting.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, 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

1. The utility model provides a rich water geology suspension steel caisson supporting construction, is including installing box (1) in the foundation ditch, its characterized in that: the box (1) bottom is fixed with the stupefied (11) of first back of the body, be fixed with stupefied (12) of the second back of the body on box (1) week side.

2. The water-rich geology suspension steel caisson supporting construction of claim 1, characterized in that: the bottom surface of the box body (1) is provided with a grouting hole (13) and an exhaust hole (14).

3. The water-rich geology suspension steel caisson supporting construction of claim 1, characterized in that: the side wall of the box body (1) is fixedly provided with fixing rods (15), and the fixing rods (15) are uniformly arranged on the side wall of the box body (1).

4. The water-rich geological suspension steel caisson supporting structure of claim 1, wherein: install a plurality of gag lever posts (2) on the foundation ditch, it is a plurality of be provided with connecting rod (21) on gag lever post (2), connecting rod (21) and gag lever post (2) are connected through buckle (22), be formed with spacing chamber (23) between gag lever post (2) and connecting rod (21), spacing chamber (23) are used for placing box (1).

5. The water-rich geology suspension steel caisson supporting construction of claim 1, characterized in that: supporting blocks (3) are fixed on the inner walls of two opposite sides of the box body (1), and supporting rods (4) are abutted between the two supporting blocks (3).

6. The water-rich geological suspension steel caisson supporting structure of claim 5, wherein: the supporting device is characterized in that a placing groove (31) for the supporting rod (4) to be inserted is formed in the supporting block (3), the supporting rod (4) comprises two sleeves (41), a nut (42) and a screw rod (43), the nut (42) is in threaded connection with the screw rod (43), the two sleeves (41) are respectively sleeved at two ends of the screw rod (43), one end of each sleeve (41) is abutted to the nut (42), and one end, far away from the screw rod (43), of each sleeve (41) is abutted to the bottom of the placing groove (31).

7. The water-rich geology suspension steel caisson supporting construction of claim 6, characterized in that: and a fixing groove (32) matched with the sleeve (41) is formed in the groove wall of the placing groove (31).

8. The water-rich geological suspension steel caisson supporting structure of claim 6, wherein: the ball joint has two down tube (5) on sleeve pipe (41), be equipped with spacing subassembly (6) of two down tube (5) relative position of restriction on the lateral wall of box (1), down tube (5) with box (1) lateral wall passes through spacing subassembly (6) and connects.

9. The water-rich geological suspension steel caisson supporting structure of claim 8, wherein: spacing subassembly (6) are including connecting plate (61) and limiting plate (62), connecting plate (61) are fixed box (1) lateral wall, limiting plate (62) are fixed the sleeve pipe (41) is kept away from in down tube (5) one end is served, connecting plate (61) with limiting plate (62) pass through bolted connection.