Longitudinal cofferdam structure

Longitudinal cofferdam structure

The invention belongs to the technical field of water conservancy and hydropower engineering, and particularly relates to a longitudinal cofferdam structure. The longitudinal cofferdam structure comprises a longitudinal cofferdam body of a concrete structure, a U-shaped groove is formed in the middl...

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Hauptverfasser: ZHANG DAN, SHI TAIJUN, DOU XIANGXIAN, LI JIANHUI, WANG FENG
Format: Patent
Sprache:chi ; eng
Schlagworte:
EMBANKMENTS
EXCAVATIONS
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
UNDERGROUND OR UNDERWATER STRUCTURES
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creator ZHANG DAN
SHI TAIJUN
DOU XIANGXIAN
LI JIANHUI
WANG FENG
description The invention belongs to the technical field of water conservancy and hydropower engineering, and particularly relates to a longitudinal cofferdam structure. The longitudinal cofferdam structure comprises a longitudinal cofferdam body of a concrete structure, a U-shaped groove is formed in the middle of the longitudinal cofferdam body in the length direction of the longitudinal cofferdam body, and a rock ballast backfilling structure is arranged in the U-shaped groove. The U-shaped groove is formed in the center of the longitudinal cofferdam body in the width direction. The width of the U-shaped groove is not larger than 50% of the width of the longitudinal cofferdam body. The depth of the U-shaped groove is not larger than 60% of the height of the longitudinal cofferdam body. The two side walls of the top of the U-shaped groove are connected through concrete precast beams which are transversely arranged, and the concrete precast beams are arranged at intervals in the length direction of the U-shaped groove.
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subjects EMBANKMENTS
EXCAVATIONS
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
UNDERGROUND OR UNDERWATER STRUCTURES
title Longitudinal cofferdam structure
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