Anchorage design and construction method

A construction method and anchoring technology, which is applied in bridge construction, infrastructure engineering, erection/assembly of bridges, etc., to achieve the effect of increasing the design safety factor, less land occupation area, and clear force
CN113123233AActive Publication Date: 2021-07-16CHINA COMM 2ND NAVIGATIONAL BUREAU 2ND ENG +1
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
CHINA COMM 2ND NAVIGATIONAL BUREAU 2ND ENG
Publication Date
2021-07-16

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Abstract

The invention discloses an anchorage design and construction method which is characterized in that an original permanent structure pile foundation of a bridge is utilized for design, pile foundations are additionally arranged at anchorage positions at the two sides of the bridge, then concrete bearing platforms are poured at the tops of the newly-added structure pile foundations and the permanent structure pile foundations, the pile foundations are embedded into the bearing platforms, the front bearing platform and the rear bearing platform are connected through a straining beam, a main cable passes through the anchorage through the embedded conduit by using the temporary zipper and is anchored on the rear anchor surface, and the anchorage is used for resisting the pulling force of the main cable. The anchorage is arranged in the mode that the permanent and temporary combined pile group foundation and the bearing platform are combined, a conventional gravity type anchorage is replaced, stress is clear, construction is convenient, the manufacturing cost is low, and development of the bridge industry can be promoted.
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Description

technical field

[0001] The invention relates to the technical field of bridge construction. More specifically, the present invention relates to an anchorage design and construction method. Background technique

[0002] Suspension bridge anchors are commonly used as tunnel anchors and gravity anchors. When there is a solid rock formation on the bank of the bridge head, the main cable can be anchored in the rock by means of tunnel anchors or rock anchors; Gravity-type anchorage can be used for anchoring rock formations, and the foundation of gravity-type anchorage generally adopts caisson or caisson type, underground diaphragm wall, shallow buried expansion type, etc.

[0003] Compared with the aforementioned foundations, pile foundations are rarely used in anchorage foundations. This is mainly because the pile foundation structure is relatively light, and the mechanism of action is relatively complicated. Designers have no idea whether they can effectively control the displa...

Claims

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