Synchronous pouring construction method of small rock-fill concrete reservoir

Abstract

The invention relates to a synchronous pouring construction method of a small rock-fill concrete reservoir. The synchronous pouring construction method comprises the following construction steps of (S1) constructing and erecting steel bars; (S2) fixing a fast-ribbed formwork to a reinforcing mesh by utilizing binding wires; (S3) stacking stones on the downstream side of the reinforcing mesh on theupstream face first so as to support the reinforcing mesh on the upstream face, and then stacking stones on the upstream side of the reinforcing mesh on the downstream face; and (S4) pouring normal concrete of an anti-seepage layer first, and then pouring self-compacting concrete of a main body of a reservoir body. According to the synchronous pouring construction method, the pouring quality of the anti-seepage layer of the normal concrete is guaranteed, and additionally, the self-compacting concrete and the normal concrete are poured without longitudinal joints, so that the construction speed is increased, the bonding tightness between the anti-seepage layer and the self-compacting concrete is good, and the anti-seepage performance of the small reservoir is greatly improved.

Description

technical field [0001] The invention relates to the technical field of dam body construction, in particular to a synchronous pouring construction method for a rockfill concrete pond dam. Background technique [0002] High-altitude areas have dry climate, abundant sunshine, strong ultraviolet rays, large temperature difference between day and night and annual temperature difference, and frequent temperature changes, which makes hydraulic concrete prone to cracks. At the same time, these areas are geologically active areas, and geological disasters such as earthquakes and landslides occur frequently. , resulting in more cracks in the concrete, and most of them are active joints, with frequent deformation and large deformation. When water retaining structures such as dams are in operation, the upstream reservoir water can easily seep into the cracks, coupled with frequent sudden changes in temperature, resulting in frequent freezing and thawing of concrete in the cracked area, ...

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Problems solved by technology

[0005] The above-mentioned existing technical solutions have the following defects: the construction period of the entire dam body is long, the quality of concrete pouring cannot be guaranteed, and the fit between the waterproof structure and the main part of the dam body is not high, and the combination between the anti-seepage layer and the main body of the dam body Insufficient tightness affects the anti-seepage performance of the entire dam body

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