Development of a Sinkhole Risk Evaluation Program

Nam, Boo Hyun; Shamet, Ryan; Soliman, Moataz; Wang, Dingbao; Yun, Hae-Bum; University of Central Florida

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Development of a Sinkhole Risk Evaluation Program

2018-06-01
By Nam, Boo Hyun ; Shamet, Ryan ; Soliman, Moataz ; ...

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Creators:

Nam, Boo Hyun ; Shamet, Ryan ; Soliman, Moataz ; Wang, Dingbao ; Yun, Hae-Bum

Nam, Boo Hyun ; Shamet, Ryan ; Soliman, Moataz ; Wang, Dingbao ; Yun, Hae-Bum Less -
Corporate Creators:

University of Central Florida
Corporate Contributors:

Florida. Department of Transportation. Research Center
Subject/TRT Terms:

[+]

Finite Element Method Geotechnical Engineering Groundwater Hydrogeology Piezometers Risk Assessment Sinkholes
Resource Type:

Tech Report
Geographical Coverage:

United States ; Florida

United States ; Florida Less -
Contracting Officer:

Horhota, David
Corporate Publisher:

Florida. Department of Transportation. Research Center
Abstract:

Sinkholes are a complex, natural problem that requires the understanding of multiple disciplines such as geology, geochemistry, groundwater, and geotechnical engineering. The goal of this proposed research is to develop an integrated program that can evaluate the level of sinkhole risk (or vulnerability) so that geotechnical engineers are properly guided for design and remediation projects. This report presents (1) development of a high-resolution groundwater-recharge model and map, (2) a systematic procedure to identify and evaluate the level of sinkhole raveling and subsequent vulnerability based on in situ CPT methods, (3) a pilot project that develops an in situ sensing/monitoring program, and (4) a numerical analysis stability technique to estimate the safety against soil collapse for the detected conditions. The project has developed several characterization tools which can be implemented for sinkhole vulnerability assessment of a project from a geotechnical and hydrogeology perspective. The tools include a high-resolution groundwater map, contour of groundwater flow based on in situ piezometers, raveling chart and sinkhole resistance ratio (SRR), and finite element (FE) based stability analysis. These tools may either be implemented separately, or together, to better understand the vulnerability of a sinkhole.
Format:

PDF
Funding:

BDV24-977-17
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:9dbe2cc3f56ca2a34d86ae5972cbb397491f4366ee7ec2ac38c953c687d770eb
Download URL:

https://rosap.ntl.bts.gov/view/dot/64426/dot_64426_DS1.pdf
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Development of a Sinkhole Risk Evaluation Program

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