One of the reasons subsoil liquefaction are cyclical loads induced from earthquake. It generally take in when there is a loose saturated granular soil. Loose, sand and silty have highest probability liquefaction. Most places prone to this event that close water source, namely river or bay area. Mataram city located on west coast Lombok Island. acts as capital economic powerhouse region. The 201...

The liquefaction of crop residues in the presence of ethylene glycol, ethylene carbonate, or polyethylene glycol using sulfuric acid as a catalyst was studied. For all experiments, the liquefaction was conducted at 160°C and atmospheric pressure. The mass ratio of feedstock to liquefaction solvents used in all the experiments was 30:100. The results show that the acid catalyzed liquefaction pro...

Comparing to the conventional bath heating, the effects of liquefaction parameters on the degree of liquefaction of wood in polyhydric alcohols by using microwave as an energy source were evaluated. Polyurethane foams were successfully prepared from the liquefied biomass-based polyols. The effects of heating methods (conventional bath heating and microwave) and liquefaction reaction time on the...

In this paper the geological structure and earthquake activity nearby Kunming Basin, Yunnan, China, have been studied. Different ground motion attenuation models used in Japan and in Yunnan, China, have been reviewed, and quantitative comparisons between the models have been made. The zonation of peak horizontal acceleration corresponding to a seldom happened earthquake and the zonation of the ...

Gravelly soils are not well represented in current semi-empirical liquefaction procedures, which raises the question of whether state-of-the-practice evaluation methods based on sands applicable to gravelly soils. This paper investigates applicability Cone Penetration Test triggering and settlement procedures case histories well-graded reclaimed soil at CentrePort, New Zealand. Sensitivity stud...

According to historical documents and Moroccan earthquakes catalogs, the coastal zone has suffered in past from several earthquakes.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...

Liquefaction is a disaster that can damage building infrastructure. This all too common in granular sandy soils. due to the subsidence and instability of soil when subjected shocks such as earthquakes. For this reason, mitigation efforts are needed reduce risk liquefaction. study will compare effectiveness influence micro-pile, stone column, densification methods on soils at Central Java PLTU s...

Abstract The activity of the Opak Fault on May 27 th , 2006, caused a strong earthquake M w 6.3, then known as Yogyakarta Earthquake. Previous studies have shown that several damages during were by liquefaction. This paper aims to determine potential liquefaction hazards at toll road construction in Klaten Regency, within less than 10 km Fault. was analyzed from Standard Penetration data using ...