PHC pipe pile acting on foundation pit supporting structure

• Main Authors: WEN BINGQIN, HUANG XUEJUN, ZHANG JUKUN, HUANG YANSONG, ZHAN PEICAN, LIN SHENGFU, CHEN RU, FANG MAN, ZHANG PENG, HUANG HUI, WU WANHAI, ZHANG GAOXU, TANG WEN, CHEN ZHONGXIONG, LI GUIMU, CHI WENXU
• Format: Patent
• Language: Chinese; English
• Published: 05.11.2021
• Subjects: EMBANKMENTS; EXCAVATIONS; FIXED CONSTRUCTIONS; FOUNDATIONS; HYDRAULIC ENGINEERING; SOIL SHIFTING; UNDERGROUND OR UNDERWATER STRUCTURES

The utility model relates to the technical field of foundation pit supporting, and discloses a PHC tubular pile acting on a foundation pit supporting structure, the PHC tubular pile comprises a plurality of prestressed reinforcements, the prestressed reinforcements are distributed in an annular array, the prestressed reinforcements are connected by arranging pile hoops, and all the prestressed reinforcements are connected by the pile hoops to form a cylindrical structure. A first spiral reinforcing steel bar, a second spiral reinforcing steel bar and a third spiral reinforcing steel bar are arranged outside the cylindrical structure formed by the prestressed reinforcing steel bars, and are spirally arranged; the first spiral reinforcing steel bar, the second spiral reinforcing steel bar and the third spiral reinforcing steel bar are respectively welded with all the prestressed reinforcing steel bars to form a reinforcing steel bar cage structure, end plates are arranged at the top and the bottom of a cylindri