China Construction Eighth Eng Division Tianjin Construction Eng Seeks Patent for Leaking Stoppage Method of Deep Foundation Pit Support Structure

Published date27 March 2023
The patent application number is CN202210383277 20220412. The patent publication number is CN114775630 (A). International Patent Classification codes are E02D15/02, E02D17/04 and E02D19/16. Cooperative Patent Classification codes are E02D15/02 (CN), E02D17/04 (CN) and E02D19/16 (CN)

An abstract released by the State Intellectual Property Office of China states: "The invention relates to a plugging method for a deep foundation pit support structure, which is used for plugging holes formed in the support structure and a ground layer outside a foundation pit due to leakage, and comprises the following steps: providing dry kelp, filling the hole opening of the holes with the dry kelp, and plugging the hole opening of the holes by utilizing the dry kelp to absorb water and expand; and providing a grouting material...

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