Construction method for anchorage

A construction method and an anchoring technology, applied to bridge parts, erecting/assembling bridges, bridges, etc., can solve problems such as increased tower root bending moment, increased tower top displacement, and changes in the deflection of the main girder of a suspension bridge to achieve good control, The effect of strong overall anti-skid ability

Inactive Publication Date: 2018-07-06
NO 2 ENG CO LTD OF CCCC FIRST HIGHWAY ENG
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  • Abstract
  • Description
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Problems solved by technology

If the displacement of the loose cable saddle is too large, the deflection of the main girder of the suspension bridge will change, the displacement of the tower top will increase, and the bending moment of the tower root will increase, thus affecting the safety of the bridge structure

Method used

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  • Construction method for anchorage
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Embodiment Construction

[0041] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are all simplified schematic diagrams, and only illustrate the basic structure of the present invention in a schematic manner, so they only show the structures related to the present invention.

[0042] In the description of the invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear" ", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc. Based on the orientation or positional relationship shown in the drawings, it is only for the convenience of describing the invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understo...

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Abstract

The invention relates to a construction method for an anchorage. The method comprises the following steps of preparation work before anchorage construction, measurement lofting, construction for a drainage system, digging of foundation pits, pouring of anchorage concrete, construction of an anchorage post-cast section, construction of a front anchorage chamber, backfill of remaining partial foundation pits, mounting and construction of auxiliary projects and completion of anchorage construction. According to the construction method for the anchorage, the whole skid-resistant capacity of the anchorage is high, and the displacement amount of a splay saddle can be well controlled.

Description

technical field [0001] The invention relates to the technical field of bridge construction, in particular to an anchorage construction method. Background technique [0002] Suspension bridges built on deep overlays often use large caissons for their anchorage foundations. In order to improve the stability of the anchorage, the caisson compartment is usually filled with sand, rubble or plain concrete. The conventional construction steps of the anchorage foundation are as follows: the first step is to make a caisson, which includes a plurality of compartments separated by partitions; the second step is to extract the soil at the bottom of each compartment of the caisson to make the caisson Slowly sink; in the third step, after the caisson sinks in place, fill concrete in each compartment of the caisson to seal the bottom of the caisson; in the fourth step, fill the middle and rear compartments of the caisson near the end of the anchorage with sand and rubble Or plain concret...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D19/14E01D21/00
CPCE01D19/14E01D21/00
Inventor 朱海李响邢海龙王东伟
Owner NO 2 ENG CO LTD OF CCCC FIRST HIGHWAY ENG
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