Download or read book Dynamic Pile Monitoring Report written by United States. Federal Highway Administration. Demonstration Projects Division and published by . This book was released on 1988 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The purpose for dynamic testing was (1) to demonstrate the use of newer and more accurate techniques for determining pile load capacity during driving (2) to determine the ultimate pile load capacity for the subject bridge and (3) to use CAPWAP computer analysis to evaluate the dynamic testing data obtained from the uncommonly used pile section"--P. 1.

Download or read book Dynamic Pile Monitoring Report written by United States. Federal Highway Administration. Bridge Division and published by . This book was released on 1987 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The purpose for dynamic testing was (1) to demonstrate the use of newer and more accurate techniques for determining pile load capacity during driving, (2) to determine the ultimate pile load capacity for the subject bridge and (3) to compare the load capacities obtained by using wave equation analysis, pile analyzer and static load test"--P. 1.

Download or read book Dynamic Pile Monitoring and Pile Load Test Report written by United States. Federal Highway Administration. Bridge Division and published by . This book was released on 1989 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The purpose of the load test program was: (1) to demonstrate the use of new technology and more accurate techniques for determining pile load capacity during driving; (2) to verify the predictions made by the newer techniques with the performance of static load tests; and (3) to verify design pile load capacities and determine pile lengths for this project. Five different pile types were evaluated at two sites during this load test program"--P. 1.

Download or read book Dynamic Pile Monitoring and Pile Load Test Report written by United States. Federal Highway Administration. Demonstration Projects Division and published by . This book was released on 1984 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Dynamic Pile Monitoring and Pile Load Test Report written by United States. Federal Highway Administration. Bridge Division and published by . This book was released on 1986 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The purpose for the load test program was (1) to demonstrate the use of newer and more accurate techniques to determine pile load capacity during driving, (2) to verify the predictions made by the newer techniques by performing static load tests, and (3) to determine design pile load capacity for the Peosta Channel Bridge"--P. 1.

Download or read book Dynamic Pile Monitoring and Pile Load Test Report written by United States. Federal Highway Administration. Demonstration Projects Division and published by . This book was released on 1983 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Dynamic Pile Monitoring and Pile Load Test Report written by United States. Federal Highway Administration. Demonstration Projects Division and published by . This book was released on 1984 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose for the load test program was (1) to dynamically monitor pile driving at two pile load test sites for the proposed Third Lake Washington Bridge (I-90), Seattle, Washington; and (2) to conduct compression and tension load tests at both test sites.

Download or read book Dynamic Pile Monitoring and Pile Load Test Report written by United States. Federal Highway Administration. Demonstration Projects Division and published by . This book was released on 1988 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The purpose for the load test program was, (1) to confirm the design load on the timber and steel pipe composite piles; (2) to confirm the drivability of these piles; and (3) to demonstrate the use of newer and more accurate techniques for pile driving construction control--p. 3.

Download or read book Dynamic Pile Monitoring Report written by United States. Federal Highway Administration. Demonstration Projects Division and published by . This book was released on 1985 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The purpose for dynamic testing was (1) to install and load test different pile types at two locations, (this was done in order to select the appropriate pile types), (2) to determine design pile load capacities, and (3) to assess pile performance during driving"--P. 1.

Download or read book Demonstration Applications in the Use of Dynamic Pile Monitoring written by Luis F. Rojas-Gonzalez and published by . This book was released on 1993 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Dynamic Pile Monitoring and Pile Load Test Report written by United States. Federal Highway Administration. Demonstration Projects Division and published by . This book was released on 1983 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Dynamic Pile Monitoring and Pile Load Test Report written by United States. Federal Highway Administration. Demonstration Projects Division and published by . This book was released on 1985 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The purpose for the load test program was (1) to demonstrate the use of newer and more accurate techniques to determine pile load capacity during driving, (2) to verify the predictions made by the newer techniques by performing static load tests, and (3) to determine design pile load capacity for I-670 bridges"--P. 1.

Download or read book Dynamic Pile Testing Technology written by Robert Y. Liang and published by . This book was released on 2007 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt: Driven piles are widely used as foundations to support buildings, bridges, and other structures. In 2007, AASHTO has adopted LRFD method for foundation design. The probability based LRFD approach affords the mathematical framework from which significant improvements on the design and quality control of driven piles can be achieved. In this research, reliability-based quality control criteria for driven piles are developed based on the framework of acceptance-sampling analysis for both static and dynamic test methods with the lognormal distribution characteristics. As a result, an optimum approach is suggested for the number of load tests and the required measured capacities for quality control of driven piles. Furthermore, this research has compiled a large database of pile set-up, from which the reliability-based approach of FORM is employed to develop separate resistance factors for the measured reference (initial) capacity and predicted set-up capacity. This report also provides a Bayesian theory based approach to allow for combining the information from the static pile capacity calculation and dynamic pile testing data to improve pile design process. Specifically, the results from dynamic pile tests can be utilized to reduce the uncertainties associated with static analysis methods of pile capacity by updating the corresponding resistance factors. This research has also developed one-dimensional wave equation based algorithm to interpret the High Strain Testing (HST) data for the estimation of the shaft and toe resistance of driven piles. The closed form solution is obtained for determining the Smith damping factor and the static soil resistance. Finally, a set of new wireless dynamic testing equipment (both hardware and software) is developed for more efficient dynamic pile testing.

Download or read book Dynamic Pile Monitoring Report written by United States. Federal Highway Administration. Demonstration Projects Division and published by . This book was released on 1985 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The purpose for dynamic testing was; (1) to demonstrate the use of newer and more accurate techniques for determining pile load capacity during driving (2) to verify the predictions made by the newer techniques by performing static load tests, and (3) to determine design pile load capacities for I-215 bridges"--P. 1.

Download or read book Dynamic Pile Monitoring Report written by United States. Federal Highway Administration. Demonstration Projects Division and published by . This book was released on 1985 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The purpose for dynamic testing was (1) to demonstrate the use of newer and more accurate techniques for determining pile load capacity during driving, (2) to determine the ultimate pile load capacities for the subject bridge, and (3) to compare load capacities of piles installed partially by the vibratory hammer and those installed exclusively by the impact hammer"--P. 1.

Download or read book A Study of Capacity Predictions for Driven Piles by Dynamic Pile Testing written by Man-Kie Wong and published by Open Dissertation Press. This book was released on 2017-01-27 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation, "A Study of Capacity Predictions for Driven Piles by Dynamic Pile Testing" by Man-kie, Wong, 黃文基, was obtained from The University of Hong Kong (Pokfulam, Hong Kong) and is being sold pursuant to Creative Commons: Attribution 3.0 Hong Kong License. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation. All rights not granted by the above license are retained by the author. Abstract: Abstract of thesis entitled A Study of Capacity Predictions for Driven Piles by Dynamic Pile Testing submitted by Wong Man Kie for the degree of Doctor of Philosophy at the University of Hong Kong October 2006 The ban on the use of diesel hammers for percussive piling works and the introduction of hydraulic hammers in Hong Kong in the mid-1990s have brought unsettling times for the local construction industry. In recent years it has not been unusual to find that the measured set and the temporary compression of piles at final set are beyond the range of the set table of the Hiley Formula. A lack of local expertise in using hydraulic hammers and the absence of an approved pile-driving criterion specifically for the use of this new tool are to blame. Some engineers have responded by imposing more stringent requirements on the pile capacity acceptance test than may be necessary, resulting in over-driven piles and associated damage. To resolve such problems, a pile-driving criterion that is practical and generally applicable to all types of piles is called for. Findings from extensive research overseas has established the general value of Dynamic Pile Testing in assessing pile capacity. Such testing involves the combined use of data collected by Pile Driving Analyzer (PDA) and the analytical tool known as Case Pile Wave Analysis Program (CAPWAP). In Hong Kong, there is considerable scope for the wider use of Dynamic Pile Testing. This thesis reports the results of an in-depth study undertaken to confirm the suitability and potential benefits of such testing under local soil conditions. The test piles selected for this study are those typically used locally. A total of 420 Grade 55C steel H-piles driven by hydraulic hammers between 2002 and 2005 were selected from 22 different projects across the territory with different sub-soil conditions. Between 20m and 60m in length, the test piles are representative of the range commonly found in local construction projects. The results from static load tests were used in this study as a benchmark, and compared to the pile capacity predictions derived from several tools (PDA, CAPWAP, the Hiley Formula and the Modified Hiley Formula) with a view to recommending a reliable and practical method for assessing pile capacity. The study results demonstrated that the CAPWAP method can predict the Davisson limit load accurately. Despite the strong predictive power of CAPWAP analysis, we need for field control purposes a dynamic formula that is reliable and yet more practicable in terms of time and cost. The results of the study show that by calibrating the Hiley Formula with the efficiency of the hammer drop, E, and the coefficient of restitution of the hammer cushion, e, derived from CAPWAP analyses, pile capacity predictions can be made that are close to the CAPWAP predictions and the static load test results. To conclude, the present study has clearly established that PDA, CAPWAP and the "calibrated" Hiley Formula are effective tools for pile capacity assessment and quality control of piling works in Hong Kong. Cost-effective and practical, their combined use would contribute significantly to the overall quality and efficiency of pile driving, thus inducing greater confidence locally in Dynamic Pile Testing. DOI: 10.5353/th_b3710612 Subjects: Piling (Civil engineering) - Testing

Download or read book Dynamic Pile Monitoring and Pile Load Test Report written by Suneel N. Vanikar and published by . This book was released on 1987 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The purpose of the load test program was: (1) To confirm whether the design load on steel and concrete piles could be raised from 150 tons to at least 225 tons; (2) To confirm the drivability of piles; and (3) To demonstrate the use of newer and more accurate techniques for pile driving construction control"--Page 1.