Ramp Supporting Structure and Construction Method of Narrow Foundation Pit

• Main Authors: YUJIAN CHEN, TAO LIU, YUNPENG LU, HAOTENG ZHENG, GUANGJIN SHEN, GUANGBAO TAN, LILAN DENG, SHUANG XIAO, DEYUN LV, YU ZHANG, KE HE, HAO TANG, SISU JIANG, JIAJUN WEN, YUFAN LI, CHUAN GUO, GUITAO CHEN, SHENGZONG XU, ZONGWEI LI, XUNFEI LIU, HONGMEI WU
• Format: Patent
• Language: English
• Published: 12.10.2023
• Subjects: EMBANKMENTS; EXCAVATIONS; FIXED CONSTRUCTIONS; FOUNDATIONS; HYDRAULIC ENGINEERING; SOIL SHIFTING; UNDERGROUND OR UNDERWATER STRUCTURES

The invention relates to the technical field of ramp support structure of narrow foundation pit, and discloses a ramp support structure of narrow foundation pit and its construction method, including: a foundation pit, a rectangular bite support arranged at the edge of the 5 foundation pit, a ring support arranged around the foundation pit and a counter support with the diameter of the ring support as the length. The counter support is located between the third ring support, and the ring support is divided into three layers. A column is arranged equidistantly along the circumference of the ring brace, a column pile is arranged at the bottom of the column. A transportation outlet is arranged on one side of the foundation pit, and a ramp is formed from the 10 transportation outlet. The ramp is divided into two sections. One end of the first ramp is connected to the transportation outlet, and the other end is connected to the opposite brace arranged in a cross with the ramp. A sloping platform is formed at the intersection with the opposite brace. One end of the second ramp is connected to the grading platform, and the other end extends to the bottom of the foundation pit. The support is also provided with a transfer station for transferring 15 earthwork, which improves the construction efficiency of the foundation pit and ensures the safety in the construction process.