Study of excavation failure on expansive soils in Surabaya

Conference paper
Part of the Lecture Notes in Civil Engineering book series (LNCE, volume 62)


West Surabaya is well known for the existence of expansive soils. Many problems occur due to swell and shrink behavior. Volume changes in expansive soils occur due to stress release, softening due to water, or exposed to air. Stress release occurs during and after excavation. Failure on expansive soils has occurred in Surabaya causing soldier pile collapsed and shallow failure of exposed slope. This paper contains study of the mechanism of excavation failure on expansive soils. Modelling of the excavation is carried out using numerical model. The results of the study showed that the excavation failure was caused by additional force to the soldier pile due to the volume changes of expansive soils. This phenomenon seldom discussed or considered in the design stage. Overall, this study has successfully result in the understanding of the mechanism of the excavation failure in expansive soils.


Expansive Soils Excavation Stress Release 


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Copyright information

© Springer Nature Singapore Pte Ltd. 2020

Authors and Affiliations

  1. 1.PT. Geotechnical Engineering ConsultantBandungIndonesia
  2. 2.Universitas Katolik ParahyanganBandungIndonesia

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