The 'Texas cone penetrometer test' (TCP) is a regional alternative to SPT used in:
Choose the correct answer
Offshore pile testing in deep water
Regional variant of dynamic penetration testing for gravel soils where standard SPT gives unreliable results
Testing of concrete cores in laboratory
Measuring soil temperature at depth
Correct Answer
B. Regional variant of dynamic penetration testing for gravel soils where standard SPT gives unreliable results
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TCP: used in Texas (US) and increasingly in some Indian states (Rajasthan, Gujarat — gravel soils). A 3-inch cone driven by a 170-lb hammer (77 kg) from 24 inches drop. Results: blows per 12 inches (like N for SPT). Used for: foundation design correlations in local soils, gravel layers where SPT may give unreliable results. Not a standard IS test — IS uses SPT and CPT primarily.
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