某公路桥4号墩沉井,在下沉过程中突然四角崩裂,大隔墙断成三段,小隔墙断成两段,整个沉井分离成四大块,且各块沿刃脚斜面向外滑移,最大裂缝宽达80cm。由于沉井断裂过于严重,曾考虑拆除重建。参加建桥的工人、民兵、领导干部和技术人员,在上级党委的正确领导下,运用毛主席哲学思思,对沉井的断裂进行了分析研究,认 A highway bridge Pier 4 sinkhole, a sudden collapse in the process of four corners, the large wall broken into three sections, the small wall broken into two sections, the entire open caisson separated into four blocks, and each block along the edge of the bevel oblique Outer slip, the largest crack width 80cm. As the caverns were severely fractured, they had been considered for demolition and reconstruction. Under the correct leadership of the party committees at the higher level, the workers, militia, leading cadres and technical personnel who participated in the bridge construction conducted an analysis and study on the fracture of the open shaft using Chairman Mao’s philosophical thinking