Device for re-forming hole after hole collapse before pile foundation concrete pouring
CHEN XINBO, QIAO BIN, YUWEN PUHENG, SHI CHUNTAO, LYU JINGBO, WANG CHAO, TANG KAI, ZHANG CHENYANG, YANG BEN, GAO WENGUANG, CHEN KAILEI
Year of Publication 14.11.2023
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Year of Publication 14.11.2023
Patent
Device and method for re-forming hole after hole collapse before pile foundation concrete pouring
CHEN XINBO, QIAO BIN, YUWEN PUHENG, SHI CHUNTAO, LYU JINGBO, WANG CHAO, TANG KAI, ZHANG CHENYANG, YANG BEN, GAO WENGUANG, CHEN KAILEI
Year of Publication 13.06.2023
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Year of Publication 13.06.2023
Patent
Water stopping and leaking stoppage structure and water stopping and leaking stoppage method for lock catch steel pipe pile cofferdam
YUWEN PUHENG, LI XIMING, ZHENG WENJING, DAI MENG, HE JUN, DANG WENBO, FAN WENKANG, QUAN WENBO, MENG XINGTAO, WANG CHAO, YANG SHUHUA, YANG BEN, LI ZHENGXUAN, ZHANG LI, SUN WENHUI
Year of Publication 13.01.2023
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Year of Publication 13.01.2023
Patent