Construction method for fill mortar junction stone dam of mortar stone precast block masonry dam shell

Abstract

The invention discloses a construction method for a fill mortar junction stone dam of a mortar stone precast block masonry dam shell. The method comprises the following steps of: pre-casting natural graded stone into hexagonal prism mortar stone precast blocks; building the hexagonal prism mortar stone precast blocks into a dam shell with a crane or other hoisting equipment at upstream and downstream positions of the fill mortar junction stone dam; and filling a dam body in the dam shell at one time with a fill mortar junction stone dam construction method to form a fill mortar junction stonedam body. By adopting the method, local natural stone can be fully utilized; the method has the advantages of simple construction process, high construction speed, low construction cost and contribution to energy conservation and environment friendliness; the dam shell has the advantages of selectable shape and strong stereoscopic impression; and more significantly, an arch action can be achievedafter masonry of the hexagonal prism precast blocks, the stress distribution can be adjusted automatically, and the stability of the dam shell is enhanced. Meanwhile, the technology can be widely applied to dam shells, debris retaining dam protective coverings and the like of gravity dams such as dyke revetments, flood prevention and tide protection banks, masonry retaining wall protective coverings, cemented masonry dams or fill mortar junction stone dams and the like.

Description

technical field [0001] The invention relates to an improved construction method of a scour-filled mortar concretion dam, in particular to a construction method of a scour-fill mortar concretion dam in which a dam shell is built with masonry prefabricated blocks. The operation of masonry dam shell with masonry prefabricated blocks can also be widely used in embankment slope protection, flood control and anti-tide revetment, masonry retaining wall face protection, masonry stone dam and other gravity dam shells, slag retaining dam face protection, etc. construction. Background technique [0002] At present, compared with concrete dams, masonry masonry dams can reduce certain costs, have lower requirements on foundation rock conditions, and can make full use of local raw material resources, so they are widely used in hydraulic construction and other fields. However, due to the inconvenient use of mechanized construction for masonry masonry structures, which are mainly manual op...

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Problems solved by technology

[0005] The purpose of the present invention is to provide a construction method for filling mortar stone dams with masonry masonry prefabricated block masonry dam shells, which solves the inconvenient mechanized construction of masonry dam shells in the prior art, low operating efficiency, and unsuitable prefabricated blocks As gravity formwork and other defects, it uses large-diameter natural stones to make hexagonal masonry prefabricated blocks as gravity formwork, which can widely use local materials and greatly reduce the cost of prefabricated blocks; using this hexagonal masonry prefabricated block The masonry dam shell is easy to operate on site, convenient for mechanical construction, and conducive to environmental protection. It not only has high operating efficiency, but also is easy to form an arch effect, automatically adjusts the stress distribution, and has good tensile, vibration, and deformation resistance; The dam body formed by the mortar stone dam construction method has good integrity, simple construction technology, low cost, and beautiful appearance, which fully adapts to the rapidly rising construction speed and high-strength and stable dam shell requirements of scoured mortar stone dams.

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