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How to estimate the earth pressure on abutment?

The magnitude of earth pressure coefficient in calculating the earth pressure on bridge abutment depends significantly on the degree of restraint provided by the abutment. For example, active earth pressure is usually adopted for cantilever abutment because there is possible occurrence of small relieving movements.

However, for abutment founded on piles, the at-rest earth pressure can be assumed in assessing the earth pressure as the abutment is considered to be rigidly supported by piles and is fully restrained against lateral movement.


This question is taken from book named – A Self Learning Manual – Mastering Different Fields of Civil Engineering Works (VC-Q-A-Method) by Vincent T. H. CHU.

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Kanwarjot Singh

Kanwarjot Singh is the founder of Civil Engineering Portal, a leading civil engineering website which has been awarded as the best online publication by CIDC. He did his BE civil from Thapar University, Patiala and has been working on this website with his team of Civil Engineers.

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