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EVALUATION OF METAL-TENSIONED SYSTEMS IN GEOTECHNICAL APPLICATIONS, PHASE I.
| 题名： | EVALUATION OF METAL-TENSIONED SYSTEMS IN GEOTECHNICAL APPLICATIONS, PHASE I. |
| 作者： | Withiam-JL; Fishman-KL; Gaus-MP |
| 关键词： | Case-studies; Evaluation-and-assessment; Field-tests; Forecasting-; Geotechnical-engineering; Ground-anchors; Literature-reviews; Mathematical-models; Metal-tensioned-systems; Monitoring-; Nondestructive-tests; Rock-bolting; Service-life; Soil-nailing; State-of-the-practice; Surveys- |
| 摘要： | The objective of this project was to study methods for condition assessment and service life prediction of metal-tensioned systems in geotechnical applications. Geotechnical applications of metal-tensioned systems include ground anchors, rock bolts and soil nails. Phase I activities included a survey of existing practice, evaluation of nondestructive test (NDT) techniques, a study of service life prediction models, and preparation of work plans for monitoring and condition assessment of new and existing systems. This interim report is divided into seven sections. Section 1.0 is an introduction. Sections 2.0 and 5.0 present a summary of information gathered from the literature search prescribed in Task 1, and the Task 2 evaluation of technical information. Section 3.0 and Section 4.0 describe the evaluation of NDT methods and service life prediction models specified in Tasks 3 and 4, respectively. Section 5.0 provides case histories and a survey of existing practice which is information that is useful for development of the work plans to meet the requirements of Tasks 5 and 6. Sections 6.0 and 7.0 describe the work plans for field evaluation of existing and new installations. Six appendices are included. Appendices I-IV present detailed information and test results in support of the description of the NDT evaluation presented in Section 3.0. Appendices V and VI present details of the project questionnaire and responses to the survey of existing practice described in Section 5.2. |
| 总页数： | NCHRP Web Document 27. 2001/03. pp215 (Phots., Figs., Tabs., 132 Ref., 6 App.) |
| 报告类型： | 科技报告 |
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