Foundation pit support system with alternate steel pipe piles, H-shaped steel and steel sheet piles

• Main Authors: ZHENG CHEN, BAI QIANGQIANG, HE XIAOPEI, LIU XIAOMIN, SONG LIWEI, GE LONGBO
• Format: Patent
• Language: Chinese; English
• Published: 17.05.2024
• Subjects: EMBANKMENTS; EXCAVATIONS; FIXED CONSTRUCTIONS; FOUNDATIONS; HYDRAULIC ENGINEERING; SOIL SHIFTING; UNDERGROUND OR UNDERWATER STRUCTURES

A foundation pit support system with alternate steel pipe piles, H-shaped steel and steel sheet piles is formed by sequentially connecting a plurality of foundation pit support units, each foundation pit support unit comprises a locking steel pipe pile, two Larsen steel sheet piles and a locking H-shaped steel, one Larsen steel sheet pile is connected between the locking steel pipe pile and the locking H-shaped steel, and the other Larsen steel sheet pile is connected between the locking steel pipe pile and the locking H-shaped steel. And the other Larsen steel sheet pile is connected to the other side of the locking H-shaped steel. The locking steel pipe pile comprises a steel pipe pile body and first locking openings symmetrically formed in the two sides of the outer wall of the steel pipe pile body. The Larsen steel sheet pile comprises a U-shaped steel plate and second locking openings symmetrically formed in the two ends of the U-shaped steel plate. The locking opening H-shaped steel comprises an H-shape