CN211871179U - Arch bridge cable crane pile beam type anchorage structure - Google Patents
Arch bridge cable crane pile beam type anchorage structure Download PDFInfo
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- CN211871179U CN211871179U CN202020113116.7U CN202020113116U CN211871179U CN 211871179 U CN211871179 U CN 211871179U CN 202020113116 U CN202020113116 U CN 202020113116U CN 211871179 U CN211871179 U CN 211871179U
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- tie beam
- pile
- transverse tie
- type anchorage
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Abstract
The utility model discloses an arch bridge cable crane stake beam type anchorage structure, its characterized in that: the lower part is a pile foundation, and the upper part is a longitudinal tie beam, a circular transverse tie beam and a rectangular transverse tie beam; the longitudinal tie beam is a rectangular cross-section beam, the circular transverse tie beam is a circular steel pipe concrete beam, the circular transverse tie beam and the rectangular transverse tie beam correspond to the inside of the longitudinal tie beam, the bearing rope is wound on the circular transverse tie beam anchored at two banks, and the two ends of the longitudinal tie beam are provided with baffles. The utility model has the advantages of as follows: (1) compared with a common gravity type anchorage, the concrete consumption is 1/4-1/3 of the gravity type anchorage, and the construction cost is about 2/5-1/2 of the gravity type anchorage. (2) Compared with the common pile anchor, the anchor has the advantages of good structural integrity and large bearing capacity. (3) The anchorage bearing rope is a through rope, and when the cable crane hoists a weight, the bearing rope can automatically adjust the sag, so that the uniform stress is ensured.
Description
Technical Field
The utility model relates to a bridge construction field, particularly a arched bridge cable crane stake beam type anchorage structure.
Background
The common cable crane for bridge construction is used for hoisting a large-scale structure, and the anchorage is a key component of the bearing capacity of the cable crane, so that the strength, rigidity and stability of the anchorage are very important for the exertion of the bearing capacity and the operation safety of the cable crane. The anchor of the cable crane often adopts a gravity type anchor and a pile type anchor. The gravity type anchorage requires stable foundation, high bearing strength of foundation soil and large friction coefficient. The pile type anchor is suitable for various stratums, but a leveling tackle is needed to be adopted on a single pile to bind a single bearing rope, so that uneven stress of a plurality of bearing ropes is easily caused.
SUMMERY OF THE UTILITY MODEL
Therefore, in order to solve the above-mentioned deficiencies, the utility model provides a pile beam type anchorage structure of an arch bridge cable crane; the problems that the traditional anchorage concrete volume of the cable crane is large and the bearing rope is not uniformly stressed in a weak stratum are solved.
The utility model discloses a realize like this, construct an arch bridge cable crane stake beam type anchorage structure, its characterized in that: the lower part is a pile foundation, and the upper part is a longitudinal tie beam, a circular transverse tie beam and a rectangular transverse tie beam; the longitudinal tie beam is a rectangular cross-section beam, the circular transverse tie beam is a circular steel pipe concrete beam, the circular transverse tie beam and the rectangular transverse tie beam correspond to the inside of the longitudinal tie beam, the bearing rope is wound on the circular transverse tie beam anchored at two banks, the rectangular transverse tie beam is used for buckling and hanging the anchorage of the anchor rope of the system, and the two ends of the longitudinal tie beam are provided with baffles.
According to arch bridge cable crane stake beam type anchorage structure, its characterized in that: the pile foundation adopts a round pile or a rectangular pile, and the length of a pile head steel bar extending into the upper longitudinal tie beam is not less than 32 d.
The utility model has the advantages of as follows:
(1) compared with a common gravity type anchorage, the concrete consumption is 1/4-1/3 of the gravity type anchorage, and the construction cost is about 2/5-1/2 of the gravity type anchorage.
(2) Compared with the common pile anchor, the anchor has the advantages of good structural integrity and large bearing capacity.
(3) The anchorage bearing rope is a through rope, and when the cable crane hoists a weight, the bearing rope can automatically adjust the sag, so that the uniform stress is ensured.
Drawings
Fig. 1 is a vertical floor plan of the anchorage of the utility model;
figure 2 is a floor plan of the anchor of the present invention.
Wherein: the pile foundation comprises a pile foundation 1, a longitudinal tie beam 2, a circular transverse tie beam 3, a rectangular transverse tie beam 4, a bearing rope 5, an anchor rope 6 and a baffle 7.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings 1-2, wherein the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides an arch bridge cable crane pile beam type anchorage structure through improvement, as shown in figures 1-2, which can be implemented as follows; the lower part is a pile foundation 1, and the upper part is a longitudinal tie beam 2, a round transverse tie beam 3 and a rectangular transverse tie beam 4; the longitudinal tie beam 2 is a rectangular cross-section beam, the circular transverse tie beam 3 is a circular steel tube concrete beam, the circular transverse tie beam 3 and the rectangular transverse tie beam 4 correspond to the inside of the longitudinal tie beam 2, the bearing rope 5 is wound on the anchor circular transverse tie beam 3 at two banks, and the two ends of the longitudinal tie beam 2 are provided with baffles 7; wherein, the pile foundation 1 adopts round pile or rectangular pile, and the length that pile head reinforcing bar stretched into upper portion longitudinal tie beam 2 is not less than 32 d.
The lower part of the 'pile beam type' anchorage described by the patent is a pile foundation, and the upper part of the 'pile beam type' anchorage is a longitudinal tie beam and a transverse tie beam. The pile foundation can adopt round piles or rectangular piles, and the length of pile head reinforcing steel bars extending into the upper longitudinal tie beam is not less than 32d (d is the diameter of the pile foundation main reinforcing steel bars). The longitudinal tie beam is generally a rectangular cross-section beam, the transverse tie beam is a circular steel tube concrete beam, and the bearing ropes are wound on the anchoring circular transverse tie beams at two sides, so that the tension of the steel ropes can be automatically adjusted, and the uniform stress of each bearing rope is ensured; the anchor integrated with the hanging buckle and the anchoring can be adopted, and a rectangular cross section transverse tie beam can be arranged for anchoring the anchor cable of the buckling and hanging system.
The diameter and depth of the pile foundation and the size of the longitudinal and transverse tie beams can be determined by calculation according to the stress of the anchorage. The pile foundation construction can adopt drilling bored concrete pile or artifical bored concrete pile, and the construction flow of drilling bored concrete pile is: rotary digging pile hole forming → hole cleaning → steel reinforcement cage lowering → guide pipe lowering → concrete pouring. The construction process of the longitudinal and transverse tie beams comprises the following steps: excavating a foundation pit → breaking a pile head → binding reinforcing steel bars, installing a transverse tie beam steel pipe → installing a template → pouring concrete → maintaining.
The bearing rope is wound and installed on the round transverse tie beam of the anchor at two banks, each cable crane adopts a steel rope (a plurality of steel ropes can be connected to form one rope), one end of the bearing rope is fixed on the transverse tie beam of the anchor A, then the bearing rope reaches the anchor D after passing through a cable saddle on a cable crane cable tower B, C, the bearing rope bypasses the round cross beam on the anchor D, the bearing rope returns to the anchor A after passing through the cable saddle on a cable tower C, B, the bearing rope bypasses the round cross beam on the anchor A, the bearing rope is wound on the anchor at two banks and the cable saddle of the cable tower repeatedly in the above mode, and finally the other end of the bearing rope is fixed on one anchor.
This patent has following advantage and beneficial effect:
(1) compared with a common gravity type anchorage, the concrete consumption is 1/4-1/3 of the gravity type anchorage, and the construction cost is about 2/5-1/2 of the gravity type anchorage.
(2) Compared with the common pile anchor, the anchor has the advantages of good structural integrity and large bearing capacity.
(3) The anchorage bearing rope is a through rope, and when the cable crane hoists a weight, the bearing rope can automatically adjust the sag, so that the uniform stress is ensured.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (2)
1. The utility model provides an arch bridge cable crane stake beam type anchorage structure which characterized in that: the lower part of the pile foundation is a pile foundation (1), and the upper part of the pile foundation is a longitudinal tie beam (2), a circular transverse tie beam (3) and a rectangular transverse tie beam (4); the longitudinal tie beam (2) is a rectangular cross-section beam, the circular transverse tie beam (3) is a circular steel tube concrete beam, the circular transverse tie beam (3) and the rectangular transverse tie beam (4) correspond to the longitudinal tie beam (2), the bearing rope (5) is wound on the anchor circular transverse tie beam (3) at two sides, and the two ends of the longitudinal tie beam (2) are provided with baffles (7).
2. The arch bridge cable crane pile beam type anchorage structure of claim 1, characterized in that: the pile foundation (1) adopts a round pile or a rectangular pile, and the length of a pile head steel bar extending into the upper longitudinal tie beam (2) is not less than 32 d.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020113116.7U CN211871179U (en) | 2020-01-19 | 2020-01-19 | Arch bridge cable crane pile beam type anchorage structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020113116.7U CN211871179U (en) | 2020-01-19 | 2020-01-19 | Arch bridge cable crane pile beam type anchorage structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211871179U true CN211871179U (en) | 2020-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020113116.7U Active CN211871179U (en) | 2020-01-19 | 2020-01-19 | Arch bridge cable crane pile beam type anchorage structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116692694A (en) * | 2023-08-04 | 2023-09-05 | 贵州省公路工程集团有限公司 | Cable crane system and erection method thereof |
-
2020
- 2020-01-19 CN CN202020113116.7U patent/CN211871179U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116692694A (en) * | 2023-08-04 | 2023-09-05 | 贵州省公路工程集团有限公司 | Cable crane system and erection method thereof |
| CN116692694B (en) * | 2023-08-04 | 2023-09-29 | 贵州省公路工程集团有限公司 | Cable crane system and erection method thereof |
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