Prestressed bag type anti-floating anchor foundation pit dewatering and loading method

• Main Authors: WANG WEI, CHEN YONG, ZHOU QING, LI KUN, CAI DONGBO, CHAI SHAOQIANG
• Format: Patent
• Language: Chinese; English
• Published: 29.08.2023
• Subjects: EMBANKMENTS; EXCAVATIONS; FIXED CONSTRUCTIONS; FOUNDATIONS; HYDRAULIC ENGINEERING; SOIL SHIFTING; UNDERGROUND OR UNDERWATER STRUCTURES

The invention discloses a prestress bag type anti-floating anchor foundation pit dewatering and loading method, and relates to the technical field of building underground structure construction, and the method comprises the following steps: constructing an anchor, and anchoring the lower side of the anchor in soil below the bottom wall of a foundation pit; a vibrating wire strain gauge is arranged on the upper side of the anchor rod, so that the vibrating wire strain gauge is vertical; the anchor rod comprises a rod body, and the two ends of the vibrating wire strain gauge are fixed to the rod body. A bottom plate of the underground structure is poured, the anchor rod and the vibrating wire strain gauge are buried below the upper side face of the bottom plate, and an electric wire of the vibrating wire strain gauge is exposed on the bottom plate; and after construction of the underground structure is completed, the dewatering operation on underground water in the foundation pit area is gradually slowed down u