CN220058007U

CN220058007U - Combined steel sheet pile

Info

Publication number: CN220058007U
Application number: CN202321670905.0U
Authority: CN
Inventors: 汪海生; 徐楠; 孔维照; 贾亮; 吴义凡; 杨阿雪
Original assignee: Anhui Yangtze River Engineering Co ltd
Current assignee: Anhui Yangtze River Engineering Co ltd
Priority date: 2023-06-28
Filing date: 2023-06-28
Publication date: 2023-11-21
Anticipated expiration: 2033-06-28

Abstract

The utility model discloses a combined steel sheet pile, which relates to the technical field of foundation pit supporting equipment and comprises a plurality of pile body units connected end to end, wherein limiting protrusions are arranged on the pile body units, limiting grooves are formed between the limiting protrusions and the pile body units in a surrounding mode, profile steel is arranged on the pile body units, and flanges of the profile steel are inserted into the limiting grooves. The utility model has the effect of reducing the possibility of bending deformation of the steel sheet pile.

Description

Combined steel sheet pile

Technical Field

The utility model relates to the technical field of foundation pit supporting equipment, in particular to a combined steel sheet pile.

Background

The steel sheet pile is one kind of steel section with locking structure, and has straight plate, slot, Z-shaped section, etc. in various sizes and locking modes. The steel sheet pile has the advantages of high strength, good waterproof performance, quick installation, reusability and the like, and is widely applied to construction projects such as foundation pit support, cofferdam closure, trench excavation and the like.

When the steel sheet pile is used as a supporting measure for a deeper foundation pit, when load change or uneven settlement occurs on the periphery of the foundation pit, the steel sheet pile is likely to bend and deform under the extrusion action of the soil pressure of the foundation pit on the steel sheet pile, so that the possibility of safety accidents of the foundation pit is increased.

Disclosure of Invention

In order to reduce the possibility of bending deformation of the steel sheet pile, the utility model provides a combined steel sheet pile.

The utility model provides a combined steel sheet pile, which adopts the following technical scheme:

the utility model provides a combination formula steel sheet pile, includes the pile body unit of a plurality of end to end, be provided with spacing arch on the pile body unit, spacing arch with enclose between the pile body unit and close and form the spacing groove, install the shaped steel on the pile body unit, the edge of a wing of shaped steel peg graft in the spacing groove.

Through the technical scheme, after the pile body units are inserted and spliced by operators, the flanges of the section steel are inserted into the limiting grooves, so that the deformation resistance of the pile body units is improved, and therefore, when a foundation pit soil body extrudes the pile body units, the section steel and the pile body units can jointly resist soil body pressure, the bending deformation possibility of the pile body units is reduced, and the possibility of safety accidents caused by failure of steel sheet piles is also reduced.

The present utility model may be further configured in a preferred example to: the spacing protruding is provided with two, two spacing protruding tip that are close to each other is equidistant between, equals the thickness of the web of shaped steel.

Through the technical scheme, the distance between the two mutually adjacent end parts of the limiting protrusions is equal to the thickness of the web plate of the section steel, so that after the flange of the section steel is inserted into the limiting groove, two sides of the web plate of the section steel are respectively abutted to the two limiting protrusions, and the possibility that the section steel shakes in the limiting groove is reduced under the limiting effect of the limiting protrusions on the web plate of the section steel.

The present utility model may be further configured in a preferred example to: the both sides of spacing arch all are provided with extension, extension all fixed connection in pile body unit.

Through the technical scheme, under the blocking effect of the extension part, the possibility that the limiting protrusion deforms to the side far away from the limiting groove is reduced, and the possibility that the profile steel is loosened due to the expansion of the limiting groove is also reduced.

The present utility model may be further configured in a preferred example to: and a stiffening rib is fixedly connected to the extending part far away from one side of the limiting groove and is fixedly connected to the limiting protrusion.

Through above-mentioned technical scheme, spacing arch and the extension of its both sides can adopt the steel sheet to buckle and form, spacing arch and extension board integrated into one piece promptly, because stiffening rib fixed connection is in extension and spacing arch, consequently under the supporting role of stiffening rib to spacing bellied, promoted spacing protruding relative extension contained angle and changed the possibility, further reduced the flange of shaped steel and taken place not hard up possibility in the spacing inslot.

The present utility model may be further configured in a preferred example to: the limiting groove is internally provided with a limiting block, and the limiting block is abutted to the flange of the section steel, the limiting protrusion and the corresponding extending part.

Through above-mentioned technical scheme, because stopper butt is in the edge of a wing, spacing arch and the extension of shaped steel, consequently under the hindrance effect of stopper, further reduced the possibility that the edge of a wing of shaped steel takes place not hard up in the spacing inslot.

The present utility model may be further configured in a preferred example to: and a through hole is formed in the web plate of the profile steel, and a reinforcing rod is arranged in the through hole in a penetrating manner.

Through the technical scheme, under the limiting action of the reinforcing rods on the profile steel webs, the integrity among profile steels is improved, and the capacity of the profile steels for bearing loads is improved.

The present utility model may be further configured in a preferred example to: nuts are arranged on two sides of the web plate of the section steel, and the nuts are connected with the reinforcing rods in a threaded mode.

Through above-mentioned technical scheme, after operating personnel wears to locate the stiffening rod in the through-hole, through screwing up two nuts for two nuts clamp the web of shaped steel, under the barrier effect of two nuts to the shaped steel web, reduced the possibility that the stiffening rod takes place to slide in the through-hole.

The present utility model may be further configured in a preferred example to: the two sides of the web plate of the profile steel are provided with gaskets, the gaskets are arranged on the reinforcing rods in a penetrating mode, and the gaskets are positioned on the inner sides of the nuts.

Through the technical scheme, the gasket can be made of rubber materials, after the nut is screwed down, the nut is abutted against the web plate of the section steel through the gasket, namely, the gasket replaces the nut to act on the web plate of the section steel, so that damage to the web plate of the section steel caused by the nut in the process of screwing the nut is reduced, and protection of the section steel is facilitated.

In summary, the utility model has the following beneficial technical effects:

1. after the flange of the profile steel is inserted into the limit groove, the deformation resistance of the pile body unit is improved, the profile steel and the pile body unit can jointly resist the soil pressure, the possibility of bending deformation of the pile body unit is reduced, and the possibility of safety accidents of a foundation pit caused by failure of a steel sheet pile is also reduced;

2. because the two sides of the web plate of the profile steel can be respectively abutted against the two limit protrusions, the possibility of shaking of the profile steel in the limit groove is reduced under the limit action of the limit protrusions on the web plate of the profile steel;

3. through stiffener and nut, increased the wholeness between the shaped steel, just also promoted the shaped steel bearing load's ability.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present utility model, mainly illustrating the construction of pile body units and section steel.

Fig. 2 is an enlarged schematic view of the portion a in fig. 1, mainly illustrating the configurations of the limit projection, the limit groove, and the limit block.

Fig. 3 is a partial schematic view of an embodiment of the present utility model, mainly illustrating the construction of reinforcing rods, stiffeners, and nuts.

Reference numerals illustrate:

1. a pile body unit; 11. a limit groove; 12. locking; 2. a limit protrusion; 21. an extension; 3. section steel; 31. a flange; 32. a web; 321. a through hole; 4. stiffening ribs; 5. a limiting block; 6. a reinforcing rod; 61. a nut; 62. a gasket.

Detailed Description

The present utility model will be described in further detail with reference to fig. 1 to 3.

The embodiment of the utility model discloses a combined steel sheet pile.

Referring to fig. 1, a combined steel sheet pile comprises a plurality of pile body units 1, each pile body unit 1 is formed by bending steel, two sides of each pile body unit 1 are bent to form a lock catch 12, two adjacent pile body units 1 are connected by locking the lock catch 12, and the pile body units 1 are connected end to form a supporting measure for blocking soil.

Referring to fig. 1 and 2, two limiting protrusions 2 are provided on the pile body unit 1, each limiting protrusion 2 has the same structure as that of its associated structure, and one of the limiting protrusions 2 and its associated structure will be mainly described below.

Referring to fig. 1 and 2, the two sides of each of the limiting protrusions 2 are provided with extension portions 21, and the same side surfaces of the extension portions 21 on the two sides of each of the limiting protrusions 2 are located on the same plane. The height of the extension part 21, the height of the limiting bulge 2 and the height of the pile body unit 1 are identical, the extension part 21 and the limiting bulge 2 are integrally formed, and are formed by bending steel plates, and the extension parts 21 on two sides of the limiting bulge 2 are fixed on the pile body unit 1 through welding.

Referring to fig. 1 and 2, two limiting protrusions 2 and pile units 1 are enclosed to form a limiting groove 11, each pile unit 1 is provided with a vertically arranged section steel 3, and flanges 31 of the section steel 3 are inserted into the limiting groove 11. The limiting groove 11 is internally provided with a limiting block 5, the cross section of the limiting block 5 is triangular, and three surfaces of the limiting block 5 are respectively abutted against the flange 31 of the profile steel 3, the limiting bulge 2 and the corresponding extension part 21. The web 32 of shaped steel 3 is pegged graft between two spacing protruding 2, and the interval between the tip that two spacing protruding 2 are close to each other equals the thickness of web 32 of shaped steel 3, under the spacing effect of spacing protruding 2 to web 32 of shaped steel 3, has reduced the possibility that shaped steel 3 takes place to rock in spacing groove 11.

After the pile body unit 1 is inserted in the foundation pit and spliced through the lock catch 12, the flange 31 of the section steel 3 is inserted in the limiting groove 11, the deformation resisting capacity of the pile body unit 1 is improved under the supporting effect of the section steel 3 on the pile body unit 1, when the pile body unit 1 is extruded by a foundation pit soil body, the section steel 3 and the pile body unit 1 resist soil body pressure jointly, the possibility of bending deformation of the pile body unit 1 is reduced, and therefore the possibility of safety accidents of the foundation pit due to failure of steel sheet piles is reduced.

In addition, the operator inserts stopper 5 through spacing groove 11 for the three face of stopper 5 butt in the edge of a wing 31 of shaped steel 3, spacing protruding 2 and corresponding extension 21 respectively, under the hindrance effect of stopper 5, reduced the possibility that edge of a wing 31 of shaped steel 3 takes place not hard up in spacing groove 11.

Referring to fig. 1 and 2, three stiffening ribs 4 are welded and fixed on the extending portion 21 far away from one side of the limiting groove 11, the stiffening ribs 4 are made of steel, the cross section of each stiffening rib 4 is triangular, the stiffening ribs 4 are arranged at the included angle between the extending portion 21 and the limiting protrusion 2, the three stiffening ribs 4 are welded and fixed on the limiting protrusion 2, and the three stiffening ribs 4 are evenly distributed along the height direction of the extending portion 21. Under the supporting action of the stiffening ribs 4 on the limiting protrusions 2, the possibility of changing the included angle of the limiting protrusions 2 relative to the extending portions 21 is improved, and the possibility of loosening of the flange 31 of the profile steel 3 in the limiting grooves 11 is reduced.

Referring to fig. 1 and 3, through holes 321 are formed in the web plate 32 of each section steel 3, the axes of each through hole 321 are collinear, reinforcing rods 6 are jointly arranged in the through holes 321 in a penetrating mode, the reinforcing rods 6 are horizontally arranged, the reinforcing rods 6 are made of smooth round steel bars with diameters not smaller than 32mm, and under the limiting effect of the reinforcing rods 6 on the web plate 32 of the section steel 3, the integrity among the section steel 3 is improved, and the load bearing capacity of the section steel 3 is improved.

Referring to fig. 1 and 3, nuts 61 are disposed on two sides of the web 32 of each section steel 3, the nuts 61 are screwed to the reinforcing rods 6, and the possibility of sliding of the reinforcing rods 6 in the through holes 321 is reduced due to the interference of the two nuts 61 on the web 32 of the section steel 3. Two sides of the web plate 32 of the section steel 3 are provided with a gasket 62, the gasket 62 is made of rubber materials and is circular, the gasket 62 is arranged on the reinforcing rod 6 in a penetrating mode, two gaskets 62 corresponding to the web plate 32 are located on the inner sides of two corresponding nuts 61, and the gasket 62 reduces damage of the nuts 61 to the web plate 32 of the section steel 3, so that protection of the section steel 3 is facilitated.

The implementation principle of the embodiment is as follows: after an operator connects a plurality of pile units 1 end to end and inserts them into the foundation pit through the lock catch 12, firstly, a plurality of section steel 3 are inserted into the limit grooves 11 in a one-to-one correspondence manner, so that the pile units are formed.

Then, the limiting block 5 is inserted into the limiting groove 11, so that three surfaces of the limiting block 5 are respectively abutted against the flange 31 of the profile steel 3, the limiting protrusion 2 and the corresponding extending part 21.

Finally, the reinforcing rod 6 is inserted into the through hole 321, and the nut 61 is rotated, so that the nut 61 abuts against the web 32 of the section steel 3 through the spacer 62.

Under the supporting action of the section steel 3 on the pile body unit 1, the deformation resistance of the pile body unit 1 is improved, when the pile body unit 1 is extruded by foundation pit soil body, the section steel 3 and the pile body unit 1 resist soil body pressure together, the possibility of bending deformation of the pile body unit 1 is reduced, and therefore the possibility of safety accidents of the foundation pit due to failure of steel sheet piles is reduced.

The embodiments of the present utility model are all preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in sequence, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. The utility model provides a combination formula steel sheet pile, includes a plurality of head-to-tail connection's pile body unit (1), its characterized in that: be provided with spacing arch (2) on pile body unit (1), spacing arch (2) with enclose between pile body unit (1) and close and form spacing groove (11), install shaped steel (3) on pile body unit (1), the edge of a wing (31) of shaped steel (3) peg graft in spacing groove (11).

2. A modular steel sheet pile according to claim 1, characterised in that: the spacing protrusions (2) are arranged in two, and the distance between the two ends, close to each other, of the spacing protrusions (2) is equal to the thickness of the web plate (32) of the profile steel (3).

3. A modular steel sheet pile according to claim 2, characterised in that: both sides of the limiting bulge (2) are provided with extension parts (21), and the extension parts (21) are fixedly connected to the pile body unit (1).

4. A modular steel sheet pile according to claim 3, characterised in that: and a stiffening rib (4) is fixedly connected to the extending part (21) far away from one side of the limiting groove (11), and the stiffening rib (4) is fixedly connected to the limiting protrusion (2).

5. A modular steel sheet pile according to claim 3, characterised in that: limiting blocks (5) are arranged in the limiting grooves (11), and the limiting blocks (5) are abutted to flanges (31) of the profile steel (3), the limiting protrusions (2) and the corresponding extending portions (21).

6. A modular steel sheet pile according to claim 1, characterised in that: a through hole (321) is formed in the web plate (32) of the profile steel (3), and a reinforcing rod (6) is arranged in the through hole (321) in a penetrating mode.

7. A modular steel sheet pile as claimed in claim 6 wherein: nuts (61) are arranged on two sides of the web plate (32) of the section steel (3), and the nuts (61) are connected with the reinforcing rods (6) in a threaded mode.

8. A modular steel sheet pile as claimed in claim 7 wherein: the two sides of the web plate (32) of the profile steel (3) are respectively provided with a gasket (62), the gaskets (62) are respectively arranged on the reinforcing rods (6) in a penetrating mode, and the gaskets (62) are respectively positioned on the inner sides of the two corresponding nuts (61).