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Construction method of cable-stayed cable-stayed bridge for large-scale coal-handling trestle in power station with steel structure

A construction method and steel structure technology, applied to bridges, bridge construction, bridge parts, etc., can solve the problems of low construction efficiency and complicated operating conditions of coal transporting trestles, reduce construction costs and safety risks, reduce engineering costs, and speed up The effect of construction speed

Active Publication Date: 2018-08-17
中能建建筑集团有限公司
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AI Technical Summary

Problems solved by technology

Due to the limited construction site and complex operating conditions, the construction efficiency of the coal transport trestle is low

Method used

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Embodiment Construction

[0013] The following clearly and completely describes the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0014] The cable-stayed cable construction method of a large-scale power station coal transportation trestle bridge with a steel structure of suspension cables includes the following steps:

[0015] (1) Hoisting and fixing of HDPE pipes: The hoist lifts the HDPE pipes steadily and moves toward the trestle pillars. When the front end of the HDPE pipes reaches the exit of the pre-embedded pipes of the trestle pillars, use a steel wire rope and a hand-pulled gourd to connect the hoop to the trestle bridge. Connect the operation platfor...

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Abstract

The invention discloses a suspension cable steel structure large power plant coal transporting trestle stay cable construction method. A steel strand of a stay cable is drawn by a winch, the steel strand and a sleeve are fed and lifted on a bridge floor, construction cost and safety risk are reduced, a steel structure is simplified by stay cable bridge construction of a coal transporting trestle, the weight of the steel structure is greatly reduced, and engineering cost is reduced. Two sides of the coal transporting trestle are symmetrically tensioned, the influence of lateral tension on the trestle is reduced, and construction is accelerated. An equal tension method is used for tension, single cable force is ensured within the allowable range of design errors, construction speed is increased, and construction quality is guaranteed. The sleeve is welded inside the trestle, the steel strand is fed inside the trestle, the influence of environmental factors is less, waste caused by construction is easily cleaned and recycled, and environmental pollution is less.

Description

technical field [0001] The invention relates to the construction field of a coal conveying trestle, in particular to a cable-stayed cable construction method for a large power station coal conveying trestle with a suspension steel structure. Background technique [0002] Existing power plants need to be equipped with coal storage yards, desulfurization devices, electrostatic precipitators, side coal bunkers, boiler rooms, chimneys, and trestles. The connection of the coal yard forms the central axis, and there are two sets of desulfurization devices, electrostatic precipitators, and boiler rooms, which are located on both sides of the central axis; the coal in the coal storage yard needs to be transported to the side coal bunkers through trestles. Due to the limited construction site and complex operating conditions, the construction efficiency of the coal transport trestle is low. Contents of the invention [0003] The technical problem to be solved by the present invent...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65G63/04E01D19/16
CPCB65G63/04E01D19/16
Inventor 胡月胜高龙生李鹏翟雪荣张化龙
Owner 中能建建筑集团有限公司
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