Suspension bridge large-diameter secant pile gravity type anchorage foundation enclosure structure and construction method

A technology of enclosure structure and construction method, applied in basic structure engineering, basic structure testing, excavation, etc., can solve problems such as damage to the wall structure, exposed wall steel bars, increase construction procedures, etc., to ensure construction safety, prevent Damage to the building envelope and the effect of reducing the construction process

Pending Publication Date: 2021-06-04
广西欣港交通投资有限公司 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] During the construction of the circular ground connection wall, it is necessary to pre-embed the connecting steel bars in the reinforcement cage and connect the lining steel bars, so that the lining and the ground connection wall form a whole. The enclosure structure needs

Method used

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  • Suspension bridge large-diameter secant pile gravity type anchorage foundation enclosure structure and construction method
  • Suspension bridge large-diameter secant pile gravity type anchorage foundation enclosure structure and construction method

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Embodiment Construction

[0034] The invention will be further described below with reference to the accompanying drawings.

[0035] Such as figure 1 with figure 2 As shown, a large diameter of a small diameter bite pile of a suspension bridge, including several I-stage bite piles 10 and several II connect piles 20, the I stage bite pile 10 and II connection pile 20 Connected and enclosed in turn and enabled the formation of a circular anchor base enclosure, the bottom of the I phase bite pile 10 and the phase II connection pile 20 provided with a foundation reinforcement layer, the I phase bite pile 10 adopted a circular pile or an ellipse Pile, the construction uses a spinforced drilled into a hole, and the drilling is reached after the design elevation is made. After the cleales are lowered, the I-stage groove reinforcement cage 11, then the II slot segment is piled into the pile; the II connection pile 20 is adopted Square pile, the construction is made of a hole 20, reaches the design elevation, clean...

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PUM

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Abstract

The invention discloses a suspension bridge large-diameter secant pile gravity type anchorage foundation enclosure structure and a construction method. The suspension bridge large-diameter secant pile gravity type anchorage foundation enclosure structure comprises a plurality of I-stage secant piles and a plurality of II-stage connecting piles, the I-stage secant piles and the II-stage connecting piles are sequentially and circularly connected and enclose to form a circular enclosure, and a plurality of dewatering wells are arranged in a foundation pit in the enclosure; and waterproof curtains are arranged at the joints of the outer walls of the I-stage secant piles and the II-stage connecting piles. According to the design, the structure is simple, the lining does not need to be constructed through a reverse construction method in the excavation process, therefore, construction procedures are reduced, the construction period is shortened, damage to the enclosure structure caused by lining construction is prevented, and the application range of the suspension bridge is widened. The invention further discloses a corresponding construction method of the suspension bridge large-diameter secant pile gravity type anchorage foundation enclosure.

Description

Technical field [0001] The present invention relates to the field of bridge engineering, in particular, a large diameter bite pile gravity anchor base envelope structure and construction method. Background technique [0002] Anchor is one of the most important structures of the anchoring of the ground anchor suspension bridge, which is to transmit the main cable pull to the anchor block, and then pass the anchor anchor to the anchor base, and finally pass it to the foundation In order to balance the main cable pull force, provide anchoring force for the main cable. Common anchor forms have a gravity anchor, tunnel anchor and rock anchor. In terms of adaptability, considering different basic forms, gravity anchor is almost suitable for all occasions, anchor base envelope, and their spatial arch effects can be controlled by side displacement. Within a small range, in addition, due to the spatial symmetry of the circular enclosure structure, the soil pressure acting on the arch circ...

Claims

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Application Information

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IPC IPC(8): E01D19/14E02D17/08E02D19/18E02D19/22E02D15/04E02D33/00E02D19/10
CPCE01D19/14E02D15/04E02D17/08E02D19/10E02D19/18E02D19/22E02D33/00E02D2250/0023
Inventor 贾利强吴明远李玉彬张伟何锦章王树华蒋树勤过超付佰勇黄月超班富理覃浩何潇
Owner 广西欣港交通投资有限公司
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