Earthquake-induced liquefaction is always a concern when the soil near surface of site composed relatively loose saturated sand. One mitigation methods to induce gas bubbles into deposit reduce degree saturation. A coupled pore-scale model presented herein investigate resistance desaturated granular materials. The multiphase fluid, which mimics behavior air and water, modeled using single compo...

The great rocking of building structures and the occurrence liquefaction in water-saturated soil on river banks are generally caused by earthquake shaking. waves generated main cause In order to show effect ground motion shaking response processes, it is necessary analyze structure as well time history artificial motions. An for analysis can be developed based spectral matching target spectrum ...

Creosoteand chromated copper arsenate (CCA)-treated wood waste and untreated southern pine wood were liquefied with phenol and sulfuric acid. The effects of sulfuric acid content, liquefaction time, liquefaction temperature, and phenol to wood ratio on liquefaction rate (i.e., wood residue content) were investigated and analyzed by analysis of variance (ANOVA). The results showed that both creo...

According to historical documents and Moroccan earthquakes catalogs, the coastal zone has suffered in past from several earthquakes. Understanding how sedimentary basins respond seismic-wave energy generated by earthquake events is a significant concern for seismic-hazard estimation risk analysis. The main goal of this study determine distribution natural frequency value (F), amplification fact...

1. introduction as the pressure of porous water increases in sand soils and saturated loose layers during an earthquake, the soil tendency to reduce its own volume leads to a decrease in the soil’s multifaceted tension. this way, the shear strength of the soil strongly decreases and comes close to zero. this phenomenon is called liquefaction. soil liquefaction is the cause of much destruction o...

During earthquakes, ground failure is commonly caused by liquefaction. Thus, assessment of soil liquefaction potential in earthquake-prone regions a crucial step towards reducing earthquake hazard. Since Babol city Iran country located high seismic area, estimation great importance this city. For purpose, the present research, using field-based methods and geotechnical data (such as unit weight...

Abstract A liquefaction hazard assessment for a particular location is important to reduce disasters that may occur in the future. The severity Anutapura Medical Centre region of Palu-Indonesia was carried out on various pairs between peak ground surface acceleration and earthquake magnitude. It conducted by first determining factor safety each existing soil layer applying formulation prepared ...

Abstract West Palu District is one of the areas severely affected by earthquake that occurred on September 28, 2018. The purpose this study was to assess level multi-hazard disasters in District. conducted assessing each disaster hazard, namely hazard earthquakes, tsunamis, and liquefaction presented a map. assessment parameter based PGA data. tsunami data from highest peak wave has ever occurr...

Severe soil liquefaction due to a long duration earthquake with low acceleration occurred at Tokyo Bay area in the 2011 off the Pacific coast of Tohoku Earthquake. This phenomenon clearly shows that soil liquefaction is affected by properties of input waves. This paper describes effect of wave properties of earthquake on liquefaction using effective stress analysis with some earthquakes. Analyt...