CN214245751U

CN214245751U - H-shaped steel anchor cable enclosing purlin

Info

Publication number: CN214245751U
Application number: CN202023147826.0U
Authority: CN
Inventors: 陈静; 刘小波; 王涛; 王建兰; 李仁民
Original assignee: Nanjing Deep Intelligent Construction Technology Research Institute Co ltd; Jiangsu South & East Geotechnical Technology Co ltd
Current assignee: Nanjing Deep Intelligent Construction Technology Research Institute Co ltd; Jiangsu South & East Geotechnical Technology Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-09-21
Anticipated expiration: 2030-12-23

Abstract

The utility model discloses an H shaped steel anchor rope encloses purlin, it includes the steel corbel of installing in the inboard of fender pile, support the first H shaped steel on the steel corbel, and stretch into the anchor rope in the soil body outside the foundation ditch along the incline direction, seted up the anchor rope hole on first H shaped steel, the one end of anchor rope is fixed in the soil body outside the foundation ditch, the other end of anchor rope stretches out the soil body, and after passing this anchor rope hole freely, is locked on first H shaped steel, each H shaped steel anchor rope encloses the purlin and only has one row of first H shaped steel; the steel bracket is provided with a steel cushion block, the steel cushion block is positioned between the support pile and the first H-shaped steel, the steel cushion block is provided with a supporting surface vertical to the extending direction of the anchor cable, the steel cushion block is abutted against the support pile, and the first H-shaped steel is abutted against the supporting surface. In the application, utilize the steel spacer to enlarge the area of contact of first H shaped steel and fender pile, can cancel and pack the pea gravel concreten between first H shaped steel and fender pile, improve the installation effectiveness who encloses the purlin.

Description

H-shaped steel anchor cable enclosing purlin

Technical Field

The utility model relates to a purlin is enclosed to H shaped steel anchor rope.

Background

The anchor cable is a common support type in foundation pit engineering, and has obvious advantages of economic benefit and construction period in foundation pit engineering with larger area. The anchor cable steel purlin is a component for connecting the support structure system and the anchor cable, and is used for fixing the anchor cable, transferring load and enhancing the integral rigidity and stability of the foundation pit. Traditional anchor rope steel encloses purlin adopts two I-steel double-piecings, and the I-steel forms a whole through flat backing plate, oblique backing plate, bearing plate welding, and the welding volume is big, welding quality can not guarantee, and overall rigidity is relatively weak, passes power indirectly, and the I-steel double-piecing encloses the gap between purlin and the envelope system great, need adopt the pea gravel concrete to fill the gap and be used for transmitting the load, but adopt the pea gravel concrete to fill the construction difficulty, and the pea gravel concrete gets into in the clearance between two I-steels easily.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides an H shaped steel anchor rope encloses purlin, it includes the steel corbel of installing in the inboard of a fender pile, support the first H shaped steel on this steel corbel, and stretch into the anchor rope in the soil body outside the foundation ditch along the incline direction, seted up the anchor rope hole on this first H shaped steel, one end of this anchor rope is fixed in the soil body outside the foundation ditch, the other end of this anchor rope stretches out the soil body, and after passing this anchor rope hole freely, is locked on first H shaped steel; each H-shaped steel anchor cable enclosing purlin is only provided with one row of first H-shaped steel; the steel bracket is provided with a steel cushion block, the steel cushion block is positioned between the support pile and the first H-shaped steel, the steel cushion block is provided with a supporting surface vertical to the extending direction of the anchor cable, the steel cushion block is abutted against the support pile, and the first H-shaped steel is abutted against the supporting surface.

In this application, set up the steel cushion between first H shaped steel and fender pile, utilized the steel cushion to enlarge the area of contact of first H shaped steel and fender pile, the steel cushion can adopt prefabricated mode preparation simultaneously to lug connection is on first H shaped steel or fender pile, can conveniently erect first H shaped steel on the steel bracket fast, accomplishes the installation of first H shaped steel. Utilize this application, can cancel and fill the pea gravel concrete between first H shaped steel and fender pile, improve the installation effectiveness who encloses the purlin.

Specifically, in order to lock the anchor cable, the length of the first H-section steel extends along the inner wall of the foundation pit, and the anchor cable hole is formed in the first flange of the first H-section steel.

Specifically, two anchor cable holes are formed in each first flange of the first H-shaped steel, and the two anchor cable holes in the same first flange are located on two sides of the first web of the first H-shaped steel; the anchor cable is divided into two strands, and the two strands of anchor cables respectively penetrate through the anchor cable holes in the two sides of the first web plate. The design can be that the produced pressure of anchor rope distributes in the both sides of first web uniformly, avoids first H shaped steel in the course of the work, produces torsional deformation.

Further, for the convenience of hoisting, the steel cushion block is welded on the first H-shaped steel.

Further, 1-5 anchor cables are arranged between every two adjacent steel corbels. The width between specific steel bracket can be confirmed according to the support intensity of steel bracket, and it can to satisfy the support dynamics to first H shaped steel.

Furthermore, the steel cushion block is made of second H-shaped steel, a second web plate of the second H-shaped steel is parallel to the anchor cable, and the second web plate extends in the vertical direction. The second H-shaped steel is adopted to manufacture the steel cushion blocks, and the steel cushion blocks can be manufactured respectively by utilizing the standardization of the strength and the size of the H-shaped steel, so that the structure and the supporting strength of each steel cushion block are kept consistent.

Further, the anchor cable obliquely extends downwards into a soil body outside the foundation pit, and an included angle between the anchor cable and the horizontal plane is 15-45 degrees. The anchor cable is only extended downwards under the condition that construction convenience is guaranteed, so that sufficient friction force is provided between the anchor cable and a soil body, and sufficient pulling force is provided for the first H-shaped steel.

Specifically, according to different forms of supporting piles, steel corbels are connected to the supporting piles in different ways, the supporting piles are concrete piles or steel piles, and when the supporting piles are steel piles, the steel corbels are directly welded on the steel piles; when the concrete pile of the pile is supported, the steel bracket is welded on the embedded steel plate of the concrete pile.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a top view of fig. 1.

FIG. 3 is a hole opening view of the first H-shaped steel.

Detailed Description

Referring to fig. 1, 2 and 3, the orientation of fig. 2 has been rotated for clarity of illustration.

An H-shaped steel anchor cable purlin comprises a steel bracket 40 arranged on the inner side of a support pile 11, first H-shaped steel 22 supported on the steel bracket 40, and an anchor cable 31 extending into soil outside a foundation pit along an inclined direction, wherein an anchor cable hole 224 is formed in the first H-shaped steel, one end of the anchor cable 31 is fixed in the soil outside the foundation pit, the other end of the anchor cable 31 extends out of the soil and freely penetrates through the anchor cable hole 224 to be locked on the first H-shaped steel 22, and a bearing plate 23 is arranged between a lock 32 and the first H-shaped steel in a cushioning mode. Each H-shaped steel anchor cable enclosing purlin is only provided with one row of first H-shaped steel.

The anchor lines 31 extend obliquely downwards into the soil outside the foundation pit, and the included angle α between the anchor lines 31 and the horizontal plane 100 is 25 °, it is understood that in other embodiments, the included angle α may also be 15 °, 30 ° or 45 °, and certainly, other angles between 15 ° and 45 ° may also be provided. The anchor line 31 is fixed in the soil by the jet grouting pile 33 at one end in the soil.

The length of the first H-beam extends along the inner wall of the foundation pit, in this embodiment, two anchor cable holes 224 are formed in each first flange 221 of the first H-beam 22, the two anchor cable holes in the same first flange 221 are located on two sides of the first web 222 of the first H-beam, and the anchor cable holes are semicircular. The two anchor cable holes on the same side of the first web plate form a group, and the anchor cable is divided into two strands which respectively penetrate through the anchor cable holes. Corresponding to each anchor cable, two rib plates 223 are arranged in each groove of the first H-shaped steel and are arranged on two sides of the corresponding anchor cable.

In this embodiment, the support piles 11 are combined steel piles arranged at intervals, and include steel pipe piles 111 and H-shaped steel piles 112 inserted into the steel pipe piles and abutted against the inner sides of the steel pipe piles. The steel corbel 40 comprises a first support member 41 and a second support member 42, wherein one end of the first support member is welded on the steel pipe pile 41, the other end of the first support member extends upwards along the extending direction of the anchor cable in an inclined manner, the second support member 42 is positioned on the lower side of the first support member 41, one end of the second support member is welded on the steel pipe pile, and the other end of the second support member is welded on the upper portion of the second support member. The first supporting member 41 and the second supporting member 42 are made of angle steel.

It is understood that, in another embodiment, when the support pile is a concrete pile, the steel bracket needs to be welded on the embedded steel plate of the concrete pile.

Install first steel cushion block 21 on steel bracket 40, this first steel cushion block 21 is located between fender pile 11 and the first H shaped steel 22, and first steel cushion block 21 adopts the preparation of second H shaped steel, and the second web 211 of second H shaped steel is on a parallel with this anchor rope, and this second web 211 extends along vertical direction. The first steel pad 21 has a supporting surface 213 perpendicular to the extending direction of the anchor cable 31, and the first steel pad abuts against the support pile 40, and the first H-beam abuts against the supporting surface 213. The support surface 213 is formed by the end surface of the second H-shaped steel perpendicular to the length direction of the second H-shaped steel. The first steel cushion block is welded on the first H-shaped steel.

In this embodiment, in order to avoid the first H-shaped steel from generating large bending, a second steel cushion block 25 is further disposed between two adjacent first steel cushion blocks, the structure of the second steel cushion block is the same as that of the first steel cushion block, and the second steel cushion block 25 is welded on the first H-shaped steel.

In this embodiment, two anchor cables are arranged between two adjacent steel corbels, and it can be understood that, in the embodiment, only one anchor cable may be arranged between two adjacent anchor cables, or three, four, and five anchor cables may be arranged between two adjacent anchor cables.

Claims

The H-shaped steel anchor cable purlin is characterized by comprising a steel bracket arranged on the inner side of a support pile, first H-shaped steel supported on the steel bracket and an anchor cable extending into a soil body outside a foundation pit along an inclined direction, wherein an anchor cable hole is formed in the first H-shaped steel; each H-shaped steel anchor cable enclosing purlin is only provided with one row of first H-shaped steel;

the steel bracket is provided with a steel cushion block, the steel cushion block is positioned between the support pile and the first H-shaped steel, the steel cushion block is provided with a supporting surface vertical to the extending direction of the anchor cable, the steel cushion block is abutted against the support pile, and the first H-shaped steel is abutted against the supporting surface.
2. The H-beam anchor cable purlin of claim 1, wherein the length of the first H-beam extends along an inner wall of the foundation pit, and the anchor cable hole is provided in the first flange of the first H-beam.
3. The H-shaped steel anchor cable purlin of claim 2, wherein two anchor cable holes are formed in each first flange of the first H-shaped steel, and the two anchor cable holes in the same first flange are located on two sides of the first web of the first H-shaped steel; the anchor cable is divided into two strands, and the two strands of anchor cables respectively penetrate through the anchor cable holes in the two sides of the first web plate.
4. The H-beam anchor cable purlin of claim 1,

the steel pad is welded on the first H-shaped steel.
5. The H-shaped steel anchor cable purlin of claim 1, wherein 1-5 anchor cables are arranged between every two adjacent steel brackets.
6. The H-beam anchor cable purlin of claim 1, wherein the steel spacer is made of a second H-beam, a second web of the second H-beam being parallel to the anchor cable and extending in a vertical direction.
7. The H-beam anchor cable purlin of claim 1,

the anchor cable obliquely and downwards extends into a soil body outside the foundation pit, and an included angle between the anchor cable and the horizontal plane is 15-45 degrees.
8. The H-beam anchor cable purlin of claim 1,

the supporting pile is a concrete pile or a steel pile, and when the supporting pile is the steel pile, the steel bracket is directly welded on the steel pile; when the concrete pile of the pile is supported, the steel bracket is welded on the embedded steel plate of the concrete pile.