High arch dam vacuum full pipe chute and belt conveyor combined planning and construction method

Abstract

The invention discloses a high arch dam vacuum full pipe chute and belt conveyor combined planning and construction method. The high arch dam vacuum full pipe chute and belt conveyor combined planning and construction method comprises a vacuum full pipe chute and the belt conveyor combined planning method and vacuum full pipe chute construction method. The high arch dam vacuum full pipe chute and belt conveyor combined planning and construction method has the advantages that the engineering progress is fast, the construction method is simple, the overload capacity is high, the safety degree is high, the operation performance is good, and damming materials are saved; the problem of transportation and warehousing bottleneck of concrete can be effectively solved, the pouring strength of roller compacted concrete is improved, and the construction difficulty and the risk coefficient are reduced, the construction period is shortened, and engineering measures are relatively few while the concrete conveying quality is ensured and the effect of rapid damming of the roller compacted concrete is achieved; and the high arch dam vacuum full pipe chute and belt conveyor combined planning and construction method is a new way for effectively realizing quick roller compacted concrete damming of the high arch dam, and is suitable for the field of roller compacted concrete industries of hydropower stations and water conservancy projects at home and abroad.

Description

technical field [0001] The invention relates to the technical field of water conservancy engineering, in particular to a combined planning and construction method of a high arch dam vacuum full pipe chute and a belt conveyor. Background technique [0002] Roller compacted concrete arch dam has the advantages of fast project progress, simple construction method, strong overload capacity, high safety, good operation performance, and low dam construction materials, so it is widely used in the field of water conservancy and hydropower engineering. The crest elevation, dam bottom elevation, maximum dam height, dam crest width, arch crown dam bottom thickness, and dam crest upstream arc length can all be designed to be relatively large for RCC arch dams. The dam flood discharge structure is composed of the dam body flood discharge surface hole, the flood discharge bottom hole and downstream energy dissipation and anti-scour buildings, among which the barrage dam, pumped hydropower...

AI Technical Summary

Problems solved by technology

[0003] Most of the existing RCC arch dams use the traditional vacuum full-pipe chute for concrete transportation and warehousing construction; however, some 100-meter-level RCC high arch dams are located in narrow and steep V-shaped and U-shaped valleys. The slopes on both sides of the dam are steep and there is no horse track, which brings great difficulties to the transportation and warehousing of concrete

As a result, the quality of concrete delivery cannot be guaranteed, the separation of concrete aggregates occurs, the pouring strength of roller compacted concrete is low, the construction is difficult, the risk factor is high, and the construction period is long.

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