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Concrete invert member for canals and repair method for existing canals using the members to repair existing canals
Concrete invert member for canals and repair method for existing canals using the members to repair existing canals
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机译：用于运河的混凝土倒立构件和使用该构件修复现有运河的现有运河的修复方法
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摘要
PROBLEM TO BE SOLVED: To provide a concrete invert member for a water channel, capable of facilitating repair and forming a smooth flow for an existing water channel which is formed at a part where repair work is extremely difficult and tends to be extremely insanitary, and is further capable of forming a flow on an opposite gradient side at a part where an existing water channel with a gradient is formed, and a repair method of an existing water channel for repairing the existing water channel using the member.SOLUTION: A flowing water channel part is formed of a high-speed flowing water channel part whose cross section is concave roughly in a U shape and a water collecting inclined surface inclined with a rising gradient toward both ends in the width direction. A connection swollen part is provided on an end part on one side in the longitudinal direction, and a connection recessed part is provided on the other end part in the longitudinal direction. The high-speed flowing water channel part on both end part sides in the longitudinal direction are communicated with a high-speed flowing water channel part for connection formed with a width wider than the width of the connection swollen part and the connection recessed part. The swollen part for the connection and the recessed part for the connection are fitted and laying with curves in left and right directions is made possible.
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