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A Case Study for Drilled Shafts Base Mud Treatment
The purpose of the paper is to compare the coring results obtained after base mud cleaning and/or grouting and shaft load test results obtained before and after base mud treatment of the drilled shaft foundation of a building project in Taipei. Three different methods, which used a flat jack, a U-shaped tube and a modified U-shaped tube, were employed in base mud treatment. Procedures and devices for the modified U-shaped tube methods, which were modified in this project, especially those for reverse circulation installed shaft base mud treatment, are introduced. Interpretation of the results based on the coring results obtained after the base treatment was applied using the three different methods is discussed for this case study. In addition, the shaft load test results with and without base grouting are also presented. The comparison shows that the modified U-shaped tube combined with flushing and grouting is an efficient base mud treatment method. In addition, the shaft load test results show that the shaft axial displacement was reduced significantly for the shafts treated using the modified U-shaped tube method.
A Case Study for Drilled Shafts Base Mud Treatment
The purpose of the paper is to compare the coring results obtained after base mud cleaning and/or grouting and shaft load test results obtained before and after base mud treatment of the drilled shaft foundation of a building project in Taipei. Three different methods, which used a flat jack, a U-shaped tube and a modified U-shaped tube, were employed in base mud treatment. Procedures and devices for the modified U-shaped tube methods, which were modified in this project, especially those for reverse circulation installed shaft base mud treatment, are introduced. Interpretation of the results based on the coring results obtained after the base treatment was applied using the three different methods is discussed for this case study. In addition, the shaft load test results with and without base grouting are also presented. The comparison shows that the modified U-shaped tube combined with flushing and grouting is an efficient base mud treatment method. In addition, the shaft load test results show that the shaft axial displacement was reduced significantly for the shafts treated using the modified U-shaped tube method.
A Case Study for Drilled Shafts Base Mud Treatment
Lin, San-Shyan (author) / Lin, Tang (author) / Chang, Lung-Tung (author)
Geo-Denver 2000 ; 2000 ; Denver, Colorado, United States
2000-07-17
Conference paper
Electronic Resource
English
Drilled shafts , Cast in place , Design , Mud , Taiwan , Case studies , Load tests , Deep foundations
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