Reverse construction method upside-down well construction process

• Main Authors: LIU ZIAN, GUAN JIAN, LIU WEI, BAI YULIANG, WANG KUN, XIONG SHUO, PEI KANGYUE, YANG WANHANG
• Format: Patent
• Language: Chinese; English
• Published: 26.04.2024
• Subjects: CESSPOOLS; EMBANKMENTS; EXCAVATIONS; FIXED CONSTRUCTIONS; FOUNDATIONS; HYDRAULIC ENGINEERING; SEWERAGE; SEWERS; SOIL SHIFTING; UNDERGROUND OR UNDERWATER STRUCTURES; WATER SUPPLY

The invention provides a reverse construction method upside-down well construction process. The reverse construction method upside-down well construction process comprises the following steps that 1, construction preparation is conducted; step 2, field leveling; step 3, paying off and positioning; 4, hole guiding through a geological drilling machine; 5, double-liquid grouting is carried out; step 6, breaking the concrete pavement; step 7, manufacturing an intercepting ditch and a water-collecting well; step 8, construction of an I-shaped section; step 9, construction of a type II section; step 10, constructing a type III section; step 11, construction of an IV type section; 12, a drainage ditch and a water collecting well are excavated; 13, the bottom of the well pit is cleared and leveled; 14, a cushion layer is poured; 15, construction of the catch basin; and step 16, road surface recovery. According to the method, foundation pit excavation supporting is simple, large equipment such as a pile driver is not