Thin covering layer high-strength rock stratum steel sheet pile cofferdam deep-buried tie beam and construction method

• Main Authors: XU WENLING, GUO MAN, LIU JIAN, LIU HUAN, ZHU YUNFENG, FAN MINGMING, QIAO HAIGANG, LIANG MENG, HU CHAOFENG, XU ZHE, LI WENLIN, LIU JINYUAN, YANG JIAN
• Format: Patent
• Language: Chinese; English
• Published: 21.06.2024
• Subjects: EMBANKMENTS; EXCAVATIONS; FIXED CONSTRUCTIONS; FOUNDATIONS; HYDRAULIC ENGINEERING; SOIL SHIFTING; UNDERGROUND OR UNDERWATER STRUCTURES

The invention relates to a thin covering layer high-strength rock stratum steel sheet pile cofferdam deeply-buried tie beam and a construction method. The construction method comprises the following steps that a steel casing is immersed, and one end of a profile steel positioning frame is fixed to the steel casing; inserting and driving a steel sheet pile, and fixing one end of the profile steel positioning frame on the steel sheet pile; soil bodies on the inner sides of the steel sheet piles are excavated, steel enclosing purlins are constructed, and temporary supporting frames are arranged between the steel pile casings; constructing a bottom sealing cushion layer; and the concrete pouring movable construction platform is installed. The construction method has the beneficial effects that the steel sheet pile and the steel casing are adopted to form the steel casing auxiliary guide steel sheet pile guide hole punching structure which is used for construction of the cast-in-place pile, the steel sheet pile co