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Sensor for Detection of Earthquake-Induced Void Redistribution in Multilayered Soil System
This paper describes the results from a preliminary study targeted to developing a high-resolution distributed moisture sensor. The sensor is for measuring the moisture distribution with sufficient spatial and temporal resolution so that it can detect the earthquake-induced void redistribution and the consequent onset of ground liquefaction. Such a sensor is currently unavailable. Therefore, an important application of this sensor is to establish the liquefaction criteria due to void redistribution, which may occur under stratified ground conditions. The sensing principles are described. A feasibility analysis is conducted to improve the sensor design to achieve the desired resolution. A few prototype sensor designs are described. The results indicate a spiral shaped design further increased the spatial resolution. The sensor is under further refinement and testing to gauge its feasibility for practical applications.
Sensor for Detection of Earthquake-Induced Void Redistribution in Multilayered Soil System
This paper describes the results from a preliminary study targeted to developing a high-resolution distributed moisture sensor. The sensor is for measuring the moisture distribution with sufficient spatial and temporal resolution so that it can detect the earthquake-induced void redistribution and the consequent onset of ground liquefaction. Such a sensor is currently unavailable. Therefore, an important application of this sensor is to establish the liquefaction criteria due to void redistribution, which may occur under stratified ground conditions. The sensing principles are described. A feasibility analysis is conducted to improve the sensor design to achieve the desired resolution. A few prototype sensor designs are described. The results indicate a spiral shaped design further increased the spatial resolution. The sensor is under further refinement and testing to gauge its feasibility for practical applications.
Sensor for Detection of Earthquake-Induced Void Redistribution in Multilayered Soil System
Fagert, Jonathon (author) / Zhang, Bin (author) / Gao, Quan (author) / Yu, Xiong (Bill) (author)
Geo-Congress 2014 ; 2014 ; Atlanta, Georgia
Geo-Congress 2014 Technical Papers ; 1225-1233
2014-02-24
Conference paper
Electronic Resource
English
Sensor for Detection of Earthquake Induced Void Redistribution in Multilayered Soil System
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