Foundation-Pile Resistance from SPT Data
The pile resistance can also be obtained from the result of in-situ test, such as standard penetration test (SPT). The base resistance of pile is d…
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MDOF-Modes of Vibration
The natural frequency of a dynamic system can be determined by assuming free vibration of an undamped system case, and it is applicable to both SDOF …
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Foundation-Interface Shear Strength of Pile in Drained Soil
In drained soil, the interface shear strength of pile is a function of pile roughness, soil properties and installation method. The calculation met…
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Foundation-Interface Shear Strength of Pile in Undrained Soil
In undrained soil, the interface shear strength of pile is solely dependent of the soil cohesion. Adhesion factor is added into the equation to acc…
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MDOF – Equation of Motion
To analyse a multi-degree of freedom (MDOF) system, the equation of motion should be constructed in the way that reflects the interaction between adj…
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Foundation-Shaft Resistance of Pile
The shaft resistance of pile relies on the friction produced at the pile-soil interface. The interface shear strength is affected by the installati…
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Foundation-Base Resistance of Pile in Drained Soil
The base resistance of pile in drained soil can be determined using the method of calculating bearing capacity of shallow foundation under the same c…
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Numerical Evaluation–Newmark-Beta Method
Implicit method, namely Newmark-Beta method is another numerical evaluation method besides central difference method. To derive for the equations com…
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Foundation-Base Resistance of Pile in Non-Uniform Undrained Soil
When the undrained soil is non-uniform and its cohesion varies with depth, the rate of change of cohesion with depth needs to be determined. Factor…
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Foundation-Base Resistance of Pile in Undrained Soil
The base resistance of pile can be determined by treating it as deeply embedded shallow foundation. Under the undrained condition, the shape factor…
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Numerical Evaluation-Central Difference Method
Dynamic response of a structure can be solved numerically by using central difference method. This method is also known as an explicit method for d…
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Foundation-Pile Installation
Pile installation method influences the soil condition adjacent to its surface, and eventually affects the soil shear strength along the shaft. The…
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Foundation-Deep Foundation
The most common type of deep foundation is pile, which is basically a column made of reinforced concrete, steel or timber. Pier or caisson is another…
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