Analysis for Failure Mechanism of Temporary Shoring Structure
Journal Title: IOSR Journal of Mechanical and Civil Engineering (IOSR-JMCE) - Year 2018, Vol 15, Issue 2
Abstract
In this study, a case history of temporary earth support collapse is illustrated briefly and mechanism of accident occurrences are introduced with the result showing that piles and anchors which are not provided with sufficient length cause collapse of structures. In deep excavation process there may be potential for circular sliding surface to propagate outside the anchor bond zone and the reduction in shear strength of soil due to increase in pore water pressure. Presence of seepage or ground water table in the backfill soil increases the pore water pressure,in turn increases the Bending moment with active earth pressure and anchor head becomes ineffective to bear the tensile forces, hence failure occurs.The failure mechanism can be overcome by the measurement of moment and pressure whichreveals valuable information for verifying the design assumptions.
Authors and Affiliations
H. N. Ramesh, K. N. Jayaprakash
Keywords
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- EP ID EP437719
- DOI 10.9790/1684-1502013137.
- Views 73
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