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Interpretation Of Cone Penetration Tests In Cohesive Soils, Kwang Kyun Kim, Monica Prezzi, Rodrigo Salgado
Interpretation Of Cone Penetration Tests In Cohesive Soils, Kwang Kyun Kim, Monica Prezzi, Rodrigo Salgado
JTRP Technical Reports
This report focuses on the evaluation of the factors affecting cone resistance measurement during cone penetration in saturated clayey soils and the application of the result to pile shaft capacity analysis. In particular, effects of drainage conditions around the cone tip were studied. Rate effects related to both drainage and shear strength dependence on loading rate were studied. In order to investigate the effects of drainage during penetration, penetration tests were performed with various velocities in the field and in a calibration chamber, and the obtained data were analyzed. For the field tests, two sites which have homogeneous clayey soil …
Load Tests On Pipe Piles For Development Of Cpt-Based Design Method, Kwangkyum Kim, Rodrigo Salgado, Junhwan Lee, Kyuho Paik
Load Tests On Pipe Piles For Development Of Cpt-Based Design Method, Kwangkyum Kim, Rodrigo Salgado, Junhwan Lee, Kyuho Paik
JTRP Technical Reports
This research focused on the drivability and load-carrying capacity of both open and closed-ended steel pipe piles. Two pipe piles (one open-ended, the other closed-ended) were installed in a sandy soil to the same depth. The site was extensively characterized. SPT and CPT tests were performed both before and after pile installation. A variety of soil indices and shear strength parameters (such as the constant-volume friction angle) were measured in the laboratory. The piles were fully instrumented, permitting separate measurement of shaft and base capacity for the closed-ended pile and shaft, annulus and soil plug capacities for the open-ended pile. …
Pile Design Based On Cone Penetration Test Results, Rodrigo Salgado, Junhwan Lee
Pile Design Based On Cone Penetration Test Results, Rodrigo Salgado, Junhwan Lee
JTRP Technical Reports
The bearing capacity of piles consists of both base resistance and side resistance. The side resistance of piles is in most cases fully mobilized well before the maximum base resistance is reached. As the side resistance is mobilized early in the loading process, the determination of pile base resistance is a key element of pile design. Static cone penetration is well related to the pile loading process, since it is performed quasi-statically and resembles a scaled-down pile load test. In order to take advantage of the CPT for pile design, load-settlement curves of axially loaded piles bearing in sand were …