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Author : Steven Lawrence Kramer
Release : 1991
Genre : Concrete piling
Kind : eBook
Book Rating : /5 ( reviews)
Book Synopsis Behavior of Piles in Full-scale, Field Lateral Loading Tests by : Steven Lawrence Kramer
Download or read book Behavior of Piles in Full-scale, Field Lateral Loading Tests written by Steven Lawrence Kramer. This book was released on 1991. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jialin Zhou
Release : 2021
Genre : Building
Kind : eBook
Book Rating : 832/5 ( reviews)
Book Synopsis Full-Scale Field Tests of Different Types of Piles by : Jialin Zhou
Download or read book Full-Scale Field Tests of Different Types of Piles written by Jialin Zhou. This book was released on 2021. Available in PDF, EPUB and Kindle. Book excerpt: This book provides full-scale field tests of different types of pile foundations. For the testing, it includes static load tests which consider various loading orientations, dynamic load tests, inclinometer monitoring and tests that aim to determine the load transfer mechanism of pile foundation. This book also covers the up-to-date popular topic with detailed project studies. This includes the academic investigation of post-grouting technology effect on drilled shaft piles, the research of displacement and non-displacement precast pile foundation, the study of fiber-reinforced polymer material used in the geo-technical environment such as deep excavation pit in tunneling project, and the research of super-long and large diameter pile foundations. These investigations provide essential and academic information for researchers as well as engineers in role of Civil and Geotech. Not only the different types of the piles are studied, but also the relevant theory and literatures are reviewed. In this book, the diagrams are plotted in an easy way and the explanation of the diagrams and tables are described in detail. The research methods corresponding to the practical projects are detailed as well. Hence, it is useful as a reference for the students and researchers in civil and geotechnical engineering.
Author : H. L. Gill
Release : 1968
Genre :
Kind : eBook
Book Rating : /5 ( reviews)
Book Synopsis Soil Behavior Around Laterally Loaded Piles by : H. L. Gill
Download or read book Soil Behavior Around Laterally Loaded Piles written by H. L. Gill. This book was released on 1968. Available in PDF, EPUB and Kindle. Book excerpt: Field tests were performed to study the horizontal load-displacement characteristics of natural soil deposits and to associate these characteristics with the behavior of laterally loaded piles. The ultimate objective of the tests was to acquire information essential for the design of laterally loaded soil-supported structures. Three soil conditions were considered: (1) bay mud with a desiccated crust in its natural dry state, (2) bay mud submerged within the area of testing, and (3) a hydraulic fill of granular material classified as SP by the unified soil classification system. Segmental pile tests were performed with three sizes of laterally loaded segments and at various depths below ground surface in the bay mud. (Similar tests in the hydraulic fill were covered in a previous NCEL report.) Lateral load tests on full-scale piles from 4 to 16 inches in diameter were performed at each test site. Theoretical information, available soil data, and results of the segmental pile tests were compared and combined to establish representative lateral load-displacement relationships for the soil at any depth at the three sites by using rectangular hyperbolas. Theoretical predictions of the response of laterally loaded piles were made using these relationships, and the results were compared with data obtained during the lateral load tests on piles. Experimental data and theoretical predictions compared favorably. (Author).
Author :
Release : 1973
Genre :
Kind : eBook
Book Rating : /5 ( reviews)
Book Synopsis Lateral Load Tests on Full-scale Pile Groups in Cohesive Soils by :
Download or read book Lateral Load Tests on Full-scale Pile Groups in Cohesive Soils written by . This book was released on 1973. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Nontapat Nimityongskul
Release : 2011
Genre : Lateral loads
Kind : eBook
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Book Synopsis Effects of Soil Slope on Lateral Capacity of Piles in Cohesive Soils by : Nontapat Nimityongskul
Download or read book Effects of Soil Slope on Lateral Capacity of Piles in Cohesive Soils written by Nontapat Nimityongskul. This book was released on 2011. Available in PDF, EPUB and Kindle. Book excerpt: Pile supported bridges are typically constructed near or in a natural or man-made slope and are subjected to lateral loading. The current design method for laterally loaded piles involves the use of Winkler's spring concept with the standard nonlinear p-y curves. The available p-y curves were developed based on results of full-scale lateral loading tests for piles in level ground. Due to limited test results from full-scale lateral loading tests for piles installed near a slope, current practice has no specific procedures for the design of piles in such condition. This study is aimed at obtaining a better understanding of the effects of slope on lateral capacity of piles through experimental and analytical programs. A series of full-scale lateral loading tests on instrumented piles in cohesive soils were conducted at Oregon State University in 2009 to assess the behavior of laterally loaded piles in free-field and near slope conditions. Data from the tests was used to backcalculate p-y curves. It was found that for small soil displacements (i.e., less than 0.5 inch), the proximity of slope has small to insignificant effect on the lateral pile response. At larger soil displacements, the proximity of slope adversely affected the lateral capacity of the soil-pile system and consequently the p-y curves. Specifically with regard to Caltrans Bridge Design Specifications Article 4.5.6.5.1, for maximum allowable pile deflection of 1/4-inch under Service Limit State Load, the soil slope appears to have insignificant effects for piles installed at 2D or further from the slope crest, where D is the pile diameter. For piles installed on the slope crest (0D), the effects of slope are most pronounced and should be considered at all displacement levels. The effects of slope on the lateral capacity were insignificant for piles installed at distances of 8D or greater from the slope crest. Based on comparisons of the back-calculated p-y curves from these experiments, p-multipliers are proposed as a function of soil displacement to account for slope effects. Using the full-scale test results, the capability of available p-y curves to predict the lateral response of free-field piles was evaluated. It was found that standard p-y curves available in the literature for cohesive soils give reasonable predictions of the lateral pile response for free-field piles. Hyperbolic p-y criteria appear to be most suitable to describe the back-calculated baseline p-y curves from this study. In addition, the capability of existing p-y recommendation for piles on a slope crest was evaluated; design guidelines based on the findings from this study is presented. Finally, the finite element program Plaxis 3D was used to simulate the lateral loading tests. The procedure was validated by comparing the computed results with the full-scale test results.
