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A platform for research: civil engineering, architecture and urbanism
Simulation of Graded Rock Fill for Sinkhole Repair in Particle Flow Model
The use of graded rock fill is a cost-effective means of sinkhole repair, providing a stable platform for infrastructure while allowing controlled flow of surface water into the sinkhole throat. Typically, the sinkhole is excavated and large diameter (0.25 to 0.5 m) shot rock aggregate is dumped down the excavated throat of the sinkhole. This paper discusses the two-dimensional modeling of the placement of shot rock using the Discrete Element Method, where the aggregate placement is assumed to be similar to granular materials flowing through a hopper. The stability is investigated for a range of rock particle and sinkhole throat radii. It is demonstrated that for a given throat radius, there exists a range of particles sizes that could be either stable or unstable depending upon how the particles arrange during the dumping procedure. The gradual transition from unstable to stable behavior is best described by a logistic regression.
Simulation of Graded Rock Fill for Sinkhole Repair in Particle Flow Model
The use of graded rock fill is a cost-effective means of sinkhole repair, providing a stable platform for infrastructure while allowing controlled flow of surface water into the sinkhole throat. Typically, the sinkhole is excavated and large diameter (0.25 to 0.5 m) shot rock aggregate is dumped down the excavated throat of the sinkhole. This paper discusses the two-dimensional modeling of the placement of shot rock using the Discrete Element Method, where the aggregate placement is assumed to be similar to granular materials flowing through a hopper. The stability is investigated for a range of rock particle and sinkhole throat radii. It is demonstrated that for a given throat radius, there exists a range of particles sizes that could be either stable or unstable depending upon how the particles arrange during the dumping procedure. The gradual transition from unstable to stable behavior is best described by a logistic regression.
Simulation of Graded Rock Fill for Sinkhole Repair in Particle Flow Model
Chen, Feng (author) / Akturk, Ozgur (author) / Drumm, Eric C. (author)
GeoShanghai International Conference 2006 ; 2006 ; Shanghai, China
2006-05-15
Conference paper
Electronic Resource
English
Simulation of Graded Rock Fill for Sinkhole Repair in Particle Flow Model
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