Spiral ground pile foundation structure suitable for railway station region and two sides along line

• Main Authors: ZHU WEI, ZHANG CHANGLING, HAO SHIQING, WEI JUNQI, LI YONG, ZHANG WEIJUAN, GE XUDONG, ZHANG JUNHUI, ZHANG XIAOYU, ZHANG ZHENDONG, BAI DAWEI, ZHANG YANLING
• Format: Patent
• Language: English
• Published: 06.05.2015
• Subjects: EMBANKMENTS; EXCAVATIONS; FIXED CONSTRUCTIONS; FOUNDATIONS; HYDRAULIC ENGINEERING; SOIL SHIFTING; UNDERGROUND OR UNDERWATER STRUCTURES

The utility model discloses a spiral ground pile foundation structure suitable for a railway station region and two sides along a line. The spiral ground pile foundation structure comprises spiral ground piles which vertically stretch into soil, the top ends of the spiral ground piles are flush with the surface of the soil, the spiral ground piles are arranged in sequence at intervals from front to rear along the straight line, and the center distance between every two adjacent spiral ground piles is 2.5 m-3.5 m. The spiral ground piles comprise pile head parts, cylindrical connecting parts, circular truncated cone connecting parts and rod parts, wherein the pile head parts, the cylindrical connecting parts, the circular truncated cone connecting parts and the rod parts are sequentially fixedly connected from top to bottom. The pile head parts are in square tube shapes with upward openings, the cylindrical connecting parts are in a cylindrical shape, circular truncated cones are downwards contracted, spiral blades are arranged on the surfaces of the outer rings of the rod parts, and the bottom ends of the rod parts are bottom ends with pointed heads. The top end of each spiral ground pile is connected with a vertical cement stand column. The spiral ground pile foundation structure for the railway station region and the two sides along the line can rapidly and stably complete the sealing work along the line and is free of pollution to the environment.