Class notes on Underground Excavations in Rock (2006)
These series of notes have been written for the course Rock Mechanics II, CE/GeoE 4311, co-taught by Prof. J. Labuz and Dr. C. Carranza-Torres in the Spring 2006 at the Department of Civil Engineering, University of Minnesota, USA.
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Posted by: tynhanh - 09-04-2010, 05:24 AM - Forum: Archive
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Geotechnical engineering in Southeast Asia
Editors:A. S. Balasubramaniam , D. T. Bergado, S. Chandra
Hardcover: 352 pages
Publisher: A.A. Balkema; 1st edition (January 1, 1985)
Language: English
ISBN-10: 9061915996
ISBN-13: 978-9061915997
ASCE JOURNAL OF STRUCTURAL ENGINEERING 10, 11-2007, 01-2008
JOURNAL OF STRUCTURAL ENGINEERING October 2007
JOURNAL OF STRUCTURAL ENGINEERING November 2007
JOURNAL OF STRUCTURAL ENGINEERING January 2008
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Posted by: tynhanh - 09-04-2010, 05:03 AM - Forum: Archive
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Prediction Vs Performance in Geotechnica
Editors: A.S. Balasubramaniam, D.T. Bergado, N. Phien-Wej, P. Nutalaya, T.S. Seah
Hardcover: 350 pages
Publisher: Taylor & Francis; 1 edition (January 1, 1994)
Language: English
ISBN-10: 9054103558
ISBN-13: 978-9054103554
ASTM STP 1379-Grips, Clamps, Clamping Techniques, and Strain Measurement for Testing of Geosynthetics
Peter E. Stevenson - Grips, Clamps, Clamping Techniques, and Strain Measurement for Testing of Geosynthetics
Publisher: ASTM International | 2000-01-01 | ISBN: 0803128541 | PDF | 152 pages | 5.24 MB
Twelve papers provide the tools necessary to understand the problems and techniques in testing and reporting data for strong reinforcement products and point the way toward repeatable and reproducible test methodology for those strong products. Experiences with and improvements to ASTM D 4595 Standard Test Method for Tensile Properties of Geotextiles by the Wide-Width Strip Method and its counterpart ISO 10319 are at the heart of this publication, including discussion of solutions to gripping problems, sample size, definitions, and LVDTs. Based on the findings in STP 1379 and continued research and evaluation, Committee D-35 on Geosynthetics expects to resolve associated problems and improve testing and reporting that is based on D 4595 and ISO 10319. Audience: A valuable tool for design engineers, engineers of record, contractors, product manufacturers, testing laboratories, federal, state and local authorities.
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Posted by: pezhmankhan - 09-04-2010, 04:36 AM - Forum: ASTM
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ASTM STP 1377-ASTM's Role in Performance-Based Fire Codes and Standards
John Raymond Hall - ASTM's Role in Performance-Based Fire Codes and Standards
Publisher: ASTM International | 1999-11 | ISBN: 0803126204 | PDF | 122 pages | 5.93 MB
Performance-based fire codes and standards are documents that state goals for determining when performance is achieved. They include rules and procedures and usually involve testing and modeling.
This unique new ASTM publication presents 12 peer-reviewed papers that give you an overview of performance-based initiatives in the United States and review the strategic options of ASTM's Committee E-5 on Fire Standards in addressing those initiatives. It examines relevant concepts and activities, inside and outside of ASTM, and the possible role that ASTM might play in the move toward greater use of performance-based fire codes and standards in the United States and Canada.
STP 1377 is meant to educate and motivate fire protection engineers, architects, fire chiefs, fire marshals, and building code officials on the new ways in which standards will be used and how they can become actively involved in the process.
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Licentiate Thesis
This thesis deals with the techniques used in the numerical analysis of cable roof structures. These structures are usually very light and flexible and require analysis methods, which take their non-linear behaviour into account. An extensive literature survey, concerned with both practical and theoretical aspects of cable roofs, is presented. Some aspects included are: structural systems, roof erection procedures, different cable types and their properties, structural details, roof loads and analysis methods. As the initial shape of a cable roof depends on the internal force distribution, it cannot be described by simple geometrical models. Special iterative methods, usually not familiar to the structural engineer, have to be utilised in order to find the pretensioned configuration of the roof. The simple force density method is presented in detail and applied to a number of different types of cable roof structures. The method worked well for structures composed of only cables, but not for structures with compression members. Three analytical finite cable elements are presented. Two elements are mathematically exact and can accurately model both taut and slack cables using only one element per cable. It is shown that the analytical elements are advantageous in modelling cable behaviour. A static analysis of the Scandinavium Arena in Gothenburg has been performed. The results from this analysis were compared with results from the original design of the same object. It was found that the bending moments in the supporting structure—the concrete ring beam—were very sensitive to its shape. This explained the large discrepancy in the bending moment distribution between the analyses. Results from a simplified method, used for preliminary calculations, agreed well with those of the more accurate finite element calculations, for a studied symmetric load case.
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