Acta Geotechnica. While it is often used as embankment fill, loess is not an ideal construction material due to its wet collapsible nature, as it may cause significant embankment settlement and other related problems. Although explosive compaction EC technology has been used for many years, the challenges in experimental testing and theoretical analysis hinder its wider application. This paper contributes to the development of a design construction scheme of EC technology for loess embankment improvement through an integrated approach that involves finite element modeling, small-scale experiments, full-scale simulation and field implementation. In this study, a reliable finite element model is developed and validated through a small-scale experiment.
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Chapter 7 - Analysis of Settlement and Volume Expansion - Pile Buck Magazine
Kumamoto Castle has constructed about years ago, and now Cultural Affairs Agency of Japan treats as an important historical spot. The Kumamoto Earthquake was damaged a lot of stonewalls of this castle. Authors continue to investigate the deformation of unstable stonewalls by high accuracy laser module for measuring distance. And these stonewalls should be monitored continuously for the evaluation of mechanical stability, so we developed and established the wireless network system for measuring the changing angle of some stonewalls surface in this castle. The characteristics of this system are low cost and low power consumption with small-scale electric generation and a simple server.
Chapter 7 – Analysis of Settlement and Volume Expansion
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International Journal of Civil Engineering. As a reliable building foundation form, piles are driven into collapsible soil layers to ensure stability of foundations. Because of water immersion, significant subsidence occurs on collapsible loess; then negative skin friction emerges on the pile surface, which eventually causes serious bearing capacity failures of pile foundations.