Prefabricated regular triangular prism dam building and its construction method

Abstract

The invention relates to a prefabricated regular triangular prism dam and a construction method. An integral formwork is used to prepare the regular triangular prism, and a bottom form connecting hole is arranged on the integral bottom form; it can be controlled by the inner guide groove pipe and the outer guide groove pipe The filling position of the sand bag at the bottom of the dam is limited by the lateral position control plate, and the sand bag of the dam body is compacted by the compaction control body and the transverse compression plate; the sliding plate of the position control body can be synchronized Drive the fabric rotating shaft, slope scraping plate and sand filling tank pipe to move along the rolling pavement slide rail, and can simultaneously complete the filling and scraping of the sand and pebble leveling layer, as well as the interface geotextile laying construction; through the position control cover and the limit The position vertical plate defines the filling position of the triangular abutment, and the hoisting and filling construction of the triangular abutment can be carried out by means of the abutment hoisting cage. The invention can effectively improve on-site construction efficiency and reduce construction difficulty.

Description

technical field [0001] The invention belongs to the technical field of dam body construction, and in particular relates to a prefabricated regular triangular prism dam and its construction method. Background technique [0002] In the construction process of gravity earth-rock dams, it often occurs that the dumping and filling bodies are washed away by the water body, which not only increases the amount of earthwork works, but also has adverse effects on the water environment. [0003] Compared with conventional earth-rock mixed dams, the triangular platform throwing dam has the advantages of resource saving and high construction efficiency. Although it has been successfully applied in some projects, it has always been an important aspect of engineering construction in the preparation of regular triangular platform blocks and oriented filling. At the same time, for the dam body project that requires high impermeability performance, how to realize the close fit between the tri...

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Problems solved by technology

[0002] In the construction process of gravity earth-rock dams, it often happens that the dumping and filling bodies are washed away by the water body, which will not only increase the amount of earthwork works, but also have adverse effects on the water environment

[0003] Compared with conventional earth-rock mixed dams, the triangular platform throwing dam has the advantages of resource saving and high construction efficiency. Although it has been successfully applied in some projects, it has always been an important aspect of engineering construction in the preparation of regular triangular platform blocks and oriented filling. At the same time, for the dam project that requires high impermeability performance, how to realize the close fit between the triangular truss and other dam materials is also a difficulty in engineering control

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