Anti-settlement roadbed structure of expressway

• Main Authors: SUN HUA, MA KANG, WANG PENG, DIAO LIXIN, ZHOU TAO
• Format: Patent
• Language: Chinese; English
• Published: 09.12.2022
• Subjects: CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, ORTHE LIKE; EMBANKMENTS; EXCAVATIONS; FIXED CONSTRUCTIONS; FOUNDATIONS; HYDRAULIC ENGINEERING; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR; SOIL SHIFTING; UNDERGROUND OR UNDERWATER STRUCTURES

The utility model provides an anti-settlement roadbed structure of an expressway, and relates to the technical field of roadbed settlement prevention. The anti-settlement roadbed structure of the expressway comprises a base body, and the base body comprises a soft soil layer, a water-resisting layer, a gravel layer, a first geotechnical cloth layer, a rammed earth layer and a second geotechnical cloth layer which are sequentially arranged from bottom to top. An anti-sinking plate is arranged between the gravel layer and the first geotechnical cloth layer, and supporting piles are fixed to the lower side of the anti-sinking plate, penetrate through the gravel layer and the water-resisting layer and then are inserted into the soft soil layer. A water suction pipe is longitudinally inserted into the soft soil layer, the upper end of the water suction pipe extends into the gravel layer, and water in the water suction pipe can only flow from bottom to top. The water suction pipe can guide water in the soft soil la