【Daily Discussion】Utilities - Civil Engineering - 20210307
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An upright shovel excavator is suitable for digging ( ). Choose one: A. Large excavations with soils of classes 1–4 above the stop level B. Excavations with groundwater C. Large excavations with soils of classes 1–4 below the stop level D. Excavations with independent column foundations Is this statement correct? We welcome active participation in discussions; the system offers generous rewards for answering questions from VIP members! ! !
A. Analysis of large excavations involving soils of classes 1 to 4 above the stop surface. A backhoe is a single-cup excavator in which the bucket and boom move upward and forward from the machine to carry out excavation. It is mainly used for open-pit mining and stripping operations, and is suitable for excavating rock piles above the stop surface. It can be loaded onto flatbed trucks, by tippling, and horizontally from above.
A. Large excavations for soils of classes 1 to 4 above the stop surface