PILES AND PILE CAPS When the bearing capacity of soil immediately below the structure is insufficient for a spread footing, then piles are used to transfer the load to deeper, firmer strata. Piles may also be used where the soil ...
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STRAP FOOTING
When the independent footings of two columns are connected by a beam, it is called a strap footing. It is used when the distance between the columns is so great that a combined trapezoidal footing becomes quite narrow, with high ...
What is Pad Foundation? Design Principles,Types and Selection
What is Pad Foundation? The pad foundations are shallow foundation that take and spread point loads to the soil safely. The pad foundation are preferred if the soil at the site have sufficient strength and is not too deep to ...
Types of Shear Failure of Foundation on Soils
Types of shear failure of foundation soils Depending on the stiffness of foundation soil and depth of foundation, the following are the modes of shear failure experienced by the foundation soil. General shear failure (Fig.1(a)) Local shear failure (Fig.1(b)) Punching ...
Types of Shallow Foundations and their Uses
Shallow foundations are constructed where soil layer at shallow depth (upto 1.5m) is able to support the structural loads. The depth of shallow foundations are generally less than its width. Different Types of Shallow Foundations The different types of shallow foundation are: ...
Tolerances of Errors in Pile Foundation Construction
Tolerances of errors in pile foundation construction allows maximum errors that can be occur during manufacturing process. Beyond these tolerances, the piles may be rejected for use. Different types of pile foundations have different tolerances for their fabrications which are ...
CAUSES OF FOUNDATION SETTLEMENT
Settlement of foundation can be defined as its permanent downward displacement. There are two basic causes of foundation settlement: Settlement Due Directly to the Weight of the Structure The first type of settlement is directly caused by the weight of ...
Raft Foundations – Types and Advantages
Raft foundation is a thick reinforced concrete slab which spreads over a large area of soil and provides support for several columns and load bearing walls. It is also called as mat foundation which are widely used foundation system. Raft ...