CN219175048U - A wire rope interlocking structure for strengthening bridge piers - Google Patents

Abstract

The utility model discloses a steel wire rope interlocking structure for reinforcing bridge piers, which comprises a first tunnel, a second tunnel, a first steel wire rope, a second steel wire rope, a first anchor clamp, a second anchor clamp, a third steel wire rope and a third anchor clamp ; both the first tunnel and the second tunnel run through the bridge pier radially, and are arranged vertically and misplaced in space; the first steel wire rope and the second steel wire rope are respectively threaded through the first tunnel and the second tunnel, and and the two ends of the second steel wire rope are respectively anchored to the bridge pier through the first anchor clamp and the second anchor clamp; at least one of the first anchor clamp or the second anchor clamp is provided with an anchor plate; the third steel wire rope is wound between the anchor plate and the bridge pier On the outer periphery of the bridge pier, the third anchor clamp is anchored to both ends of the third steel wire rope, and the anchor plate is used to compress the third steel wire rope. The steel wire rope interlocking structure of the reinforced pier disclosed by the utility model can improve the circumferential reinforcement effect and improve the safety of the reinforced structure of the pier.

Description

A wire rope interlocking structure for strengthening bridge piers

technical field

The utility model relates to the field of strengthening bridge pier columns, in particular to a steel wire rope interlocking structure for strengthening bridge piers.

Background technique

At present, for the vertical cracking problem of the bridge pier, the method adopted is to wind the steel wire rope in the circumferential direction of the bridge pier and apply prestress to strengthen it. For bridge piers with non-circular cross-sections, the steel wire rope cannot contact the surface of the bridge pier due to the influence of the knuckle angle of the bridge pier and the structure of the steel wire rope itself. As a result, the tensile force of the steel wire rope cannot be transmitted to the surface of the bridge pier, which cannot effectively solve the cracking problem of the bridge pier; the relaxation rate of the steel wire rope is large, During the long-term service, the reinforcement force of the reinforced body will be lost, affecting the reinforcement effect; at the same time, during the service process, the steel wire rope will break or the anchorage will fail, and the wire rope will scatter, which will cause a huge safety hazard around the pier.

Utility model content

In view of the above problems, the utility model provides a steel wire rope interlocking structure for reinforcing bridge piers, which aims to solve the problem that the tension force of the steel wire ropes in the existing reinforcement structure cannot be transmitted to the surface of the bridge pier, and the large relaxation rate of the steel wire ropes affects the reinforcement effect. Broken wires or anchorage failures cause safety hazards and other problems.

The utility model takes the following technical solutions to achieve the above object:

A steel wire rope interlocking structure for reinforcing bridge piers, comprising a first tunnel, a second tunnel, a first steel wire rope, a second steel wire rope, a first anchor clamp, a second anchor clamp, a third steel wire rope and a third anchor clamp; the first Both the tunnel and the second tunnel run through the pier radially of the pier, the first tunnel and the second tunnel are arranged vertically and misplaced in space; the first steel wire rope and the second steel rope are respectively threaded through the first tunnel and the second tunnel, The two ends of the first steel wire rope and the two ends of the second steel wire rope are respectively anchored to the pier through the first anchor clamp and the second anchor clamp; at least one of the first anchor clamp or the second anchor clamp is provided with an anchor plate; the third The steel wire rope is wound around the outer circumference of the bridge pier between the anchor plate and the bridge pier, the third anchor clamp is anchored to both ends of the third steel wire rope, and the anchor plate is used to compress the third steel wire rope.

In this technical solution, the first tunnel and the second tunnel are arranged on different sections of the pier, and the anchor plate is driven by the anchoring force of the first steel wire rope and/or the second steel wire rope to press the third steel wire rope, so that the first steel wire rope and/or the second steel wire rope The second steel wire rope and the third steel wire rope arranged in the circumferential direction form an interlocking anchorage structure, which can improve the contact effect between the third steel wire rope arranged in the circumferential direction and the surface of the pier, and improve the circumferential reinforcement effect on the pier; After the third steel wire rope and the third anchor clamp or the first steel wire rope, the second steel wire rope and their anchor clamps passing through the pier fail, the steel wire rope will scatter or pop out, causing safety hazards to the surrounding environment and personnel, and improving the safety of the pier reinforcement structure; In addition, after the stress loss of the third steel wire rope, the stress loss of the third steel wire rope can be compensated by stretching the first steel wire rope and the second steel wire rope, and the construction is convenient.

Its construction process is:

1. On different sections of the pier, vertically drill through the first tunnel and the second tunnel according to the design quantity requirements;

2. Thread the first steel wire rope and the second steel wire rope through the first tunnel and the second tunnel respectively;

3. Wrap the third steel wire rope around the cross section of the bridge pier drilled through the first tunnel and/or the second tunnel, avoid the first steel wire rope or the second steel wire rope, and connect the two ends of the third steel wire rope through the third anchor clamp;

4. Clamp and fix the anchor plate of the first anchor clamp and/or the second anchor clamp on the third wire rope near the opening corresponding to the first channel and/or the second channel;

5. Perform prestressed tensioning and anchoring of the third steel wire rope, and then respectively tension, anchor and clamp the first steel wire rope and the second steel wire rope to realize the interlocking structure of the first steel wire rope, the second steel wire rope and the third steel wire rope.

A further technical solution is that the first anchor clamp includes an anchor plate and a tapered clip, the anchor plate is provided with a tapered anchor hole penetrating through its end surface, and the outer tapered surface of the tapered clip and the tapered anchor The inner tapered surface of the hole matches and is used for clamping the first steel wire rope. The technical scheme adopts an anchor clamp matched with a tapered clip and a tapered through-hole anchor plate, which is convenient for installation and construction.

A further technical solution is that, on the side wall of the anchor plate opposite to the bridge pier, a groove tightly fitted with the third steel wire rope is also provided. The groove can facilitate the installation and positioning of the third steel wire rope without affecting the contact effect between the third steel wire rope and the surface of the bridge pier.

The beneficial effects of the utility model are:

The utility model provides a steel wire rope interlocking structure for reinforcing bridge piers, which adopts the first steel wire rope, the second steel wire rope and the third steel wire rope arranged in the circumferential direction to form an interlocking anchor structure, which can improve the contact between the third steel wire rope arranged in the circumferential direction and the surface of the bridge pier The interlocking structure can also prevent the third steel wire rope and the third anchor clamp arranged in the circumferential direction or the first steel wire rope, the second steel wire rope and their anchor clamps passing through the bridge pier to fail, and the steel wire rope scatter or pop-up, causing safety hazards to the surrounding environment and personnel, and improving the safety of the pier reinforcement structure; in addition, after the stress loss of the third steel wire rope, the stress loss of the third steel wire rope can be compensated by tensioning the first steel wire rope and the second steel wire rope, Construction is convenient.

Description of drawings

Fig. 1 is a schematic diagram of the interlocking structure of the first steel wire rope and the third steel wire rope in the present invention.

Fig. 2 is: the sectional view of the bridge pier described in the utility model.

Fig. 3 is a schematic diagram of the interlocking structure of the second steel wire rope and the third steel wire rope in the present invention.

In the picture:

1. Bridge pier; 10. The first tunnel; 11. The first steel wire rope; 12. The first anchor clamp; 121. The first anchor plate; 20. The second tunnel; 21. The second steel wire rope; 22. The second anchor clamp; 221 , the second anchor plate; 31, the third wire rope; 32, the third anchor clamp.

Detailed ways

The utility model will be described in detail below with reference to the accompanying drawings 1 to 3 and specific embodiments. In the case of no conflict, the following embodiments and the features in the embodiments can be combined with each other.

This embodiment provides a steel wire rope interlocking structure for reinforcing pier 1, as shown in Figure 1 and Figure 2, the structure includes a first tunnel 10, a second tunnel 20, a first steel wire 11, a second steel wire 21, a first anchor The clamp 12, the second anchor clamp 22, the third wire rope 31 and the third anchor clamp 32; the first tunnel 10 and the second tunnel 20 all penetrate the bridge pier 1 in the radial direction of the bridge pier 1, and the first tunnel 10 and the second tunnel 10 The two tunnels 20 are arranged vertically and staggered in space, that is, the first tunnel 10 and the second tunnel 20 are arranged on different sections of the pier 1, and are respectively used to accommodate the first steel wire rope 11 and the second steel wire rope 21; the first steel wire rope 11 and the second steel wire rope 21 are passed through the first tunnel 10 and the second tunnel 20 respectively, and the two ends of the first steel wire rope 11 and the two ends of the second steel wire rope 21 are respectively anchored to the pier 1 through the first anchor clamp 12 and the second anchor clamp 22, That is, the first anchor clamp 12 is used to anchor the first steel wire rope 11 to both ends of the first tunnel 10, and the second anchor clamp 22 is used to anchor the second steel rope 21 to both ends of the second tunnel 20. Each first anchor The clamp 12 includes anchoring structures positioned at both ends of the first steel wire rope 11, and each second anchor clamp 22 includes an anchoring structure positioned at both ends of the second steel wire rope 12; the first anchor clamp 12 includes a first anchor plate 121; the third steel wire rope 31 is wound around the outer circumference of the pier 1 between the first anchor plate 121 and the pier 1, and the third anchor clamp 32 is anchored to both ends of the third steel wire rope 31, so that the third steel wire rope 31 forms a circumferential anchoring structure for the pier 1 , the first anchor plate 121 is used to compress the third steel wire rope 31, that is, through the prestress of the first steel wire rope 11, the first anchor plate 121 is driven to compress the third steel wire rope 31, so as to improve the surface contact between the third steel wire rope 31 and the pier 1 Effect;

Specifically, in this embodiment, the pier 1 is an octagonal structure, the first tunnel 10 runs through the two sides with a small distance, the second tunnel 20 runs through the two sides with a large distance, the first tunnel 10 and the second tunnel 20 The specific quantity is determined according to the quantity of the first steel rope 11 and the second steel rope 21, and the quantity of the first steel rope 11 and the second steel rope 21 can be determined according to factors such as the specific cracking situation of the bridge pier 1 or the specific position that needs to be reinforced. Restriction; the first anchor clamp 12 specifically adopts a structure with a first anchor plate 121, and also includes a tapered clip. shaped anchor hole, used to clamp the first steel wire rope 11, two first anchor clamps 12 corresponding to each first steel wire rope 11 are respectively anchored with the first steel wire rope 11 at both ends of the corresponding first tunnel 10; In terms of the specific structure of the anchor clamp 22, the same structure as the above-mentioned first anchor clamp 12 can be adopted, or the anchor can be clamped at the two ends of the second steel wire rope 21 in the way that the tapered clip is directly matched with the openings at both ends of the second channel 20 , or use an anchor plate with an anchor hole and the pier head at the end of the second steel wire rope 21 to match the anchor clamp to the two ends of the second steel wire rope 21, or use an anchor plate with a threaded hole and the end of the second steel wire rope 21 The anchors are clamped at both ends of the second steel wire rope 21 in the form of external thread cooperation, and the second anchor clamp 22 can also adopt other anchor structures disclosed in the prior art, which are not limited here; the third anchor clamp 32 can also adopt the prior art The disclosed circumferential anchoring structure is not limited here; the third steel wire rope 31 is installed at a position lower than the openings at both ends of the first tunnel 10, avoiding the passing position of the first steel wire rope 11, and the first anchor plate 121 The bedding and the third wire rope 31 , that is, the third wire rope 31 is installed between the first anchor plate 121 and the pier 1 .

In this embodiment, the anchoring force of the first steel wire rope 11 drives the first anchor plate 121 to press the third steel wire rope 31, so that the first steel wire rope 11 and the third steel wire rope 31 arranged in the circumferential direction form an interlocking anchor structure, which can improve the ring The third steel wire rope 31 arranged in the direction of contact with the surface of the pier 1 improves the circumferential reinforcement effect on the pier 1; the interlocking structure can also avoid the third steel wire rope 31 and the third anchor clamp 32 arranged in the circumferential direction or the first steel wire rope penetrating the pier 11. After the failure of the second steel wire rope 21 and its anchor clamp, the steel wire rope disperses or pops up, causing safety hazards to the surrounding environment and personnel, and improving the safety of the reinforced structure of the pier 1; in addition, after the stress loss of the third steel wire rope 31, passing Stress loss of the third steel wire rope can be compensated by tensioning the first steel wire rope 11 and the second steel wire rope 21, and the construction is convenient.

Its construction process is:

1. On different sections of the pier 1, vertically drill through the first tunnel 10 and the second tunnel 20 according to the design quantity requirements;

2. Thread the first wire rope 11 and the second wire rope 21 through the corresponding first tunnel 10 and second tunnel 20 respectively;

3. Wrap the third wire rope 31 circularly around the lower position of the pier 1 drilled through the first tunnel 10, avoid the first wire rope 11, and connect the two ends of the third wire rope 31 through the third anchor clamp 32;

4. Pre-clamp the first anchor clamp 12, so that the first anchor plate 121 is fixed on the third steel wire rope 31;

5. Perform prestress tensioning and anchoring on the third steel wire rope 31, and then respectively tension, anchor and clamp the first steel wire rope 11 and the second steel wire rope 21 to realize the interlocking structure of the first steel wire rope 11 and the third steel wire rope 31.

In addition, the two ends of the first steel wire rope 11 can also be processed into a structure with a pier head or a threaded structure. By opening matching anchor holes or threaded holes on the first anchor plate 121, the two ends of the first steel wire rope 11 can be realized. The anchor clip can also adopt the anchoring structure with the anchor plate disclosed in other prior art.

This embodiment exemplarily shows the specific structure and installation position of the interlocking of the first steel wire rope 11 and the third steel wire rope 31 and the specific shape and structure of the bridge pier 1. In other embodiments or practical applications, the third steel wire rope 31 also It can be installed on the upper position of the first tunnel; as shown in Figure 3, the third steel wire rope 31 can also be installed on the upper or lower position of the second tunnel 20, passing through the second anchor plate of the second anchor clamp 22 221 compresses the third steel rope 31 to form the interlocking structure of the second steel rope 21 and the third steel rope 31; in addition, the third steel rope 31 can also be laid near the first tunnel 10 and the second tunnel 20 at the same time to form the first The interlocking structure of the steel wire rope 11, the second steel wire rope 21 and the third steel wire rope 31; the pier 1 can also be a common rectangular parallelepiped structure, elliptical column structure and the like.

In another embodiment, on the basis of the above embodiment, the side wall of the first anchor plate 121 opposite to the bridge pier 1 is also provided with a groove tightly fitted with the third wire rope 31, and the groove can be used without affecting the third wire rope. 31 is in contact with the surface of the pier 1 while facilitating the installation and positioning of the third steel wire rope 31.

The utility model provides a steel wire rope interlocking structure for reinforcing bridge piers, which adopts the first steel wire rope, the second steel wire rope and the third steel wire rope arranged in the circumferential direction to form an interlocking anchor structure, which can improve the contact between the third steel wire rope arranged in the circumferential direction and the surface of the bridge pier The interlocking structure can also prevent the third steel wire rope and the third anchor clamp arranged in the circumferential direction or the first steel wire rope, the second steel wire rope and their anchor clamps passing through the bridge pier to fail, and the steel wire rope scatter or The ejection will cause safety hazards to the surrounding environment and personnel, and improve the safety of the pier reinforcement structure; in addition, after the stress loss of the third steel wire rope, the stress loss of the third steel wire rope can be compensated by tensioning the first steel wire rope and the second steel wire rope , Construction is convenient.

Claims (3)

1. The steel wire rope interlocking structure for reinforcing the pier is characterized by comprising a first pore canal, a second pore canal, a first steel wire rope, a second steel wire rope, a first anchor clamp, a second anchor clamp, a third steel wire rope and a third anchor clamp;

the first pore canal and the second pore canal penetrate through the bridge pier along the radial direction of the bridge pier, and are vertically arranged in space and staggered;

the first steel wire rope and the second steel wire rope are respectively penetrated in the first pore canal and the second pore canal, and the two ends of the first steel wire rope and the two ends of the second steel wire rope are respectively anchored to the bridge pier through a first anchor clamp and a second anchor clamp;

at least one of the first anchor clamps or the second anchor clamps is provided with an anchor plate; the third steel wire rope is circumferentially wound around the periphery of the pier between the anchor plate and the pier, the third anchor clamps are anchored at two ends of the third steel wire rope, and the anchor plate is used for compressing the third steel wire rope.

2. The steel wire rope interlocking structure for reinforcing a pier according to claim 1, wherein the first anchor clamps comprise anchor plates and conical clamping pieces, the anchor plates are provided with conical anchor holes penetrating through the end faces of the anchor plates, and the outer conical surfaces of the conical clamping pieces are matched with the inner conical surfaces of the conical anchor holes so as to clamp the first steel wire rope.

3. The steel wire rope interlocking structure for reinforcing a pier according to claim 2, wherein the side wall of the anchor plate opposite to the pier is further provided with a groove tightly matched with the third steel wire rope.

Images