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What is Drilled Pier? Construction of Drilled Pier

A drilled pier is a deep foundation system that uses a large diameter concrete cylinder constructed by placing fresh concrete and reinforcing steel into a drilled shaft. It is also called as a caisson, drilled shaft, Cast-in-drilled-hole piles ...

Boring Methods for Soil Sampling for Soil Investigation

Boring methods are widely used for subsurface investigations to collect samples, in almost all types of soil, for visual inspection or laboratory testing. There are several boring techniques like auger boring, rotary drilling, wash boring, percussion drilling, auger ...

Foundation Drain – Components, Working and Design

Foundation drain is an exterior drainage system installed on the outer face of the foundation wall and near the wall footing, covered with a layer of gravel, serving the purpose of draining out excess water seeping into the ...

Backfilling Procedure in Basement

Proper backfilling of a basement is an important and essential step in the basement construction as it largely contributes to its structural stability. Moreover, properly compacted backfill provides support to the basement walls as well as acts as ...

Shifting and Tilting of Well Foundations

Shifting and tilting occur generally during the sinking phase of well foundations. If proper care is not taken, they can cause grave problems which may lead to the weakening of the stability of foundations. Precautions to avoid shifting ...

Types of Material Used in Pile Foundation

Different types of material used in the pile foundation are cement, steel, timber and plastic which are a slender, structural member installed in the ground to transfer the structural loads to soils at some significant depth below the base of the ...