D-shaped auxiliary beam double-railway overhead beam moving method

• Main Authors: RUAN BANXI, AN CAIHONG, FANG YAN'AN, ZHANG BAOGUO, YANG HAO, CHENG XIANYI, ZHAO YAN, ZHENG CHUAN'AO, LI JINFENG
• Format: Patent
• Language: Chinese; English
• Published: 18.04.2023
• Subjects: CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; FIXED CONSTRUCTIONS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS; PERMANENT WAY; PERMANENT-WAY TOOLS

The invention discloses a D-shaped auxiliary beam double-railway overhead beam moving method, which belongs to the technical field of road and bridge engineering and comprises the following steps: S1, erecting a D-shaped auxiliary beam; s2, a transverse strip-shaped foundation pit is excavated; s3, buttresses are erected, and hole digging piles are excavated; s4, hoisting and lowering the reinforcement cage; s5, concrete is poured to form a strip-shaped foundation; s6, the D-shaped auxiliary beam is moved to the strip-shaped foundation; s7, the construction foundation pit is excavated, two rows of construction foundation pit hole digging protection piles are constructed, and the prefabricated protection piles are put down; s8, crown beam construction; s9, four longitudinal beams are fixed between the top beams of the two rows of prefabricated guard piles and the cross beams of the D-shaped auxiliary beams through angle steel and U-shaped clamps correspondingly, and the supporting strength of the longitudinal