Shallow sea rock ballast cofferdam structure

The utility model provides a shallow sea rock ballast cofferdam structure which comprises a breakwater and a rock ballast base body, and the breakwater is provided with an inverted filter layer. The rock ballast base body comprises a drill hole, a grouting pipe and a seepage stopping wall; a hole se...

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Bibliographic Details
Main Authors HOU XIAOBO, XUE WUSHAN, FENG QIAN, WEI SHANBAO, ZHANG SHUAI, XING WEI
Format Patent
LanguageChinese
English
Published 16.05.2023
Subjects
EMBANKMENTS
EXCAVATIONS
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
UNDERGROUND OR UNDERWATER STRUCTURES
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Summary:The utility model provides a shallow sea rock ballast cofferdam structure which comprises a breakwater and a rock ballast base body, and the breakwater is provided with an inverted filter layer. The rock ballast base body comprises a drill hole, a grouting pipe and a seepage stopping wall; a hole sealing cement layer is arranged at the upper end of the drill hole; the grouting pipe is located in the drill hole, the upper end of the grouting pipe is flush with the upper end of the rock ballast base body, and the lower end of the grouting pipe extends into an original mud surface; the grouting pipe is provided with a grout outlet hole, and the grouting pipe is sealed by geotechnical cloth; the seepage stopping wall is located at the grout outlet of the grouting pipe. According to the shallow sea rock ballast cofferdam structure provided by the utility model, the existing breakwater is utilized, rock ballast is drilled after being stacked, the grouting pipe is buried in the drilled hole, grouting is carried out
Bibliography:Application Number: CN202222635435U