Hydropower house foundation

Abstract

The invention discloses a hydropower house foundation which comprises a soil layer and multiple cement mixed grating piles, wherein the cement mixed grating piles are fixed into the soil layer and arranged in a grating shape. The longitudinal direction of a grating network composed of the multiple cement mixed grating piles is identical to the run-off direction of river water. High-pressure rotary spray connector piles are arranged at intersections of the longitudinal cement mixed grating piles and the transverse cement mixed grating piles in the grating network. Multiple distribution piles fixed into the soil layer are arranged in the middle of each grating of the grating network. A plastic concrete diaphragm wall composed of an end wall and side walls is arranged outside the grating network, and a certain distance is formed between the plastic concrete diaphragm wall and the grating network. The end wall is arranged at the upstream end of the grating network. The side walls are arranged on the two sides of the grating network respectively. The plastic concrete diaphragm wall is fixed into the soil layer. The hydropower house foundation can avoid the problems of insufficient bearing capacity, overlarge settlement deformation, a seepage failure and foundation vibratory liquefaction of a weak foundation of a hydropower house, and is low in construction investment, convenient and fast to construct and capable of being widely applied to the technical field of hydroelectric generation engineering.

Description

technical field [0001] The invention relates to the technical field of hydropower engineering, in particular to a foundation of a hydropower station building. Background technique [0002] The hydropower plant can convert the mechanical energy contained in the flowing water into electrical energy, integrating construction, machinery manufacturing and electrical equipment and other technologies. The average stress of the foundation is required to be above 400KPa, and there are strict requirements on the bearing capacity, deformation and stability of the foundation. [0003] At present, most of the hydropower plants in my country are arranged on the bedrock, but with the development of hydropower resources in the middle and lower reaches of the river, the hydropower plants in some alluvial plains are completely located on non-bedrock foundations such as sand, pebbles, silt, and fine sand. This kind of natural foundation generally cannot meet the requirements of the hydropower...

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to overcome the above-mentioned deficiencies in the background technology, and provide a hydropower plant foundation, which can solve the problems of insufficient bearing capacity, excessive settlement deformation, seepage damage and foundation vibration liquefaction of the large-scale weak foundation of the hydropower plant, and at the same time, the project investment less, quick and easy construction

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