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Lillian Holmes
Director of Public Works
Asked a question 2 years ago

What is surface excavation?

What is surface excavation?

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Surface excavation involves the removal of the exposed layer of the earth surface, including any vegetation or decaying matter which could make the soil compressible and therefore unsuitable for bearing structural loads. Hence the depth will be vary from site to site, usually range of 150-300 mm.

Surface Excavation:

Excavation means simply a process of removal of the earth for the formation of the cavity on the ground.

In small sites, it is carried out annually using excavating tools like picks, shovel and wheelbarrows.

Heavy plant-like bulldozer and black actors are needed for large scale excavation work.

Following are some common methods of excavation:

  • Topsoil Excavation
  • Earth Excavation
  • Rock Excavation
  • Muck Excavation
  • Unclassified Excavation
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surface excavation is simply the excavation of surface soil up to a depth of 150 to 200 CM.

Surface excavation is mainly used for civil construction and geotechnical purposes. The soil exposed to climatic conditions is analyzed with RS2 for stress deformation, surface design, and stability of the soil.

Following are the works were surface excavation is used:

  1. Anchored Steel pile wall
  2. Trench with struts
  3. Construction of dams and analysis of groundwater flow.
  4. Embankment with slip.

Surface excavation is defined as

Excavation of depth up to 30cm as per IS1200-part 1 and width of excavation exceed 1.5m and Area exceed 10 square meters.

It is mainly used in garden work.