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- Title
Sinkhole remedial alternative analysis on karst lands.
- Authors
Zeng, Yifan; Zhou, Wanfang
- Abstract
Sinkholes are parts and characteristic features of typical karst systems. Extensive research has been done on investigation, monitoring, risk evaluation, and land management to prevent formation of sinkholes and subsidences. Little emphasis is, however, given to the various processes and methodologies with respect to response actions for their remediation. The response action or remedial alternatives used to mitigate a sinkhole or subsidence depend on the complexity of the conceptual site model composed of influencing factors and triggering mechanisms, depth and lateral extent of instability, impact on existing infrastructure, and existing and reasonably anticipated land uses. Many sinkhole and subsidence rehabilitation engineering controls are available; however, each sinkhole must be treated uniquely when a decision is made on the most appropriate remedial alternative. Selection of preferred remedial alternative is based on effectiveness, implementability, and relative cost with the ultimate goal of protecting the public welfare, property, and the environment. Institutional control and monitoring options are typical components of any sinkhole remedial alternatives. A case study was presented to illustrate how the remedial alternative analysis approach was used to determine the preferred method for sinkhole remediation.
- Subjects
SINKHOLES; LAND management; ENVIRONMENTAL remediation; RISK assessment; PUBLIC welfare
- Publication
Carbonates & Evaporites, 2019, Vol 34, Issue 1, p159
- ISSN
0891-2556
- Publication type
Article
- DOI
10.1007/s13146-018-0467-5