(一) 桥梁基础方面 1.明挖基础 在地基承载力允许的条件下,通常基础埋深5 m以内才做这种类型的基础,但近几年来这种类型的基础埋深已远远超过了此值,有的已达10m,甚至十几米。在施工方法上也因地制宜地创造了许多好方法,如用混凝土围堰支挡垂直开挖,有的还采用喷射混凝土护壁垂直 (A) the bridge foundation aspects 1. Excavation foundations Under the conditions of bearing capacity of the foundation, the foundation depth is usually within 5 m before making this type of foundation, but in recent years this type of foundation depth has far exceeded This value, some have reached 10m, or even ten meters. In the construction method also according to local conditions to create a lot of good ways, such as supporting vertical excavation with concrete cofferdam, and some also use spray concrete wall vertical