Support of Excavation


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Support of Excavation
1010402Support of Excavation
Types of Excavation There are two basic types of excavations: (1) open excavations where stability is achieved by providing stable side slopes and (2) braced excavations where vertical or sloped sides are stabilized by structural systems that can be restrained laterally by internal or external structural elements. Some examples are skeleton shoring (excavation in most soils up to 20 ft depth), box shoring (depths up to 40 ft), telescopic shoring (very deep trenches). In selecting and designing the excavation system, the primary controlling factors are (1) soil-type and soil-strength parameters, (2) groundwater conditions, (3) slope protection, …
Citation
Indranil Goswami: Civil Engineering All-In-One PE Exam Guide: Breadth and Depth, Second Edition. Support of Excavation, Chapter (McGraw-Hill Professional, 2012), AccessEngineering Export