Posted by: chgvkraju - 05-21-2012, 02:13 AM - Forum: Archive
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Dear All
we need TAM Grouting Method Statements & Pipe jacking Method Statement in Tunnelling & cross passages , any one knows about method please post the link.
Span-Depth Ratios for One-Way Members Based on ACI 318 Deflection Limits
Author: Peter H. Bischoff and Andrew Scanlon | Size: 1 MB | Format:PDF | Quality:Original preprint | Publisher: ACI | Year: 2009 | pages: 10
Span-depth ratio (l/h) expressions are developed for steel-reinforced concrete one-way slabs and beams to satisfy deflection control and flexural strength requirements. The expressions are presented as functions of reinforcement ratio and specified deflection-to-span limit. A comparative study is performed to evaluate the effects of effective moment of inertia, shrinkage restraint, construction loads, sustained live load, long-time deflection multiplier, support conditions, and deflection limits on the resulting span-depth ratios. A comparison is also made with minimum thickness values prescribed by ACI 318 that are a function of span and support conditions only. Effects of various input parameters are considered in examples involving a simply supported rectangular beam and an interior span of a continuous one-way slab. The results of the study indicate some of the limitations associated with the ACI 318
minimum thickness requirements.
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Private Note:
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Life Cycle Cost Analysis for Pavement Type Selection
Author: South Carolina Department of Transportation/FHWA | Size: 0.7 MB | Format:PDF | Quality:Original preprint | Publisher: South Carolina Department of Transportation/FHWA | Year: 2008 | pages: 141
This report summarizes the findings from a research investigation conducted to evaluate LCCA practices
among state highway agencies for pavement type selection process, and proposes a probabilistic LCCA
approach for use in South Carolina. This investigation was based on analysis of data obtained from a
preliminary and a final survey of states across the U.S. and provinces across Canada. The surveys were
designed to gauge the level of LCCA activity in different states as well as to solicit information on specific
approaches that each state is taking for pavement type selection. The responses obtained from the surveys
were analyzed to observe the trends and ranges of various input parameters that feed into the LCCA process.
Based on the data from surveys, selected states whose LCCA practices exemplified a progressive and a
comprehensive approach were identified and further questioned on specific aspects of their respective LCCA
approaches. Based on this analysis, a probabilistic-based LCCA approach is proposed for use with pavementtype
selection process in South Carolina. Also, specific recommendations on range of values for different
input parameters based on the survey data are made. Where no adequate database exists for certain LCCA
input parameters, suggestions are offered for developing a database of values for future use .
In addition to developing a protocol for a probabilistic LCCA approach, different LCCA software
such as REALCOST, DARWin and other customized software used by specific states were explored.
Amongst these, REALCOST software developed by Federal Highway Administration (FHWA) was found to
be widely used by several state agencies and most comprehensive in its treatment of different input
parameters. Further, FHWA has been instrumental in providing support to customize the REALCOST
software to meet individual state’s needs. Based on these findings, REALCOST software was proposed as
preferred software for use with conducting LCCA for pavement-type selection.
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Sulfur in asphalt and asphalt mixtures used in paving application
Author: R. Michael Anderson | Size: 0.5 MB | Format:PDF | Quality:Unspecified | Publisher: Asphalt Institute | Year: 2005 | pages: 147
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Selection, Scaling And Simulation Of Input
Ground Motion For Time History Analysis
Of Structures
YASIN M. FAHJAN
Department of Earthquake and Structural Sciences
Gebze Institute of Technology, Gebze, Kocaeli, Turkey [email protected]
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A paper to accompany the presentation by the same author:
PROCEDURES FOR REAL EARTHQUAKE TIME HISTORIES SCALING AND APPLICATION TO FIT IRANIAN DESIGN SPECTRA by Y. M. Fahjan, Z. Ozdemir and H. Keypour
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More Stuff:
Check the software EZ-Frisk
I've seen several threads in this forum
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I need these paper:
1. Structural Effects of Foundation Tilt on Storage Tanks
S C Palmer, MA, CEng, FIMechE
Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering August 1992 vol. 206 no. 2 83-92
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2. Stresses in Storage Tanks Caused by Differential Settlement
S C Palmer
Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering February 1994 vol. 208 no. 1 5-16
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This is the first out of two articles that will present some basic tips for the preliminary design of steel trusses.
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Hojjat Adeli received his Ph.D. in Civil/Structural Engineering from Stanford University in 1976. He is currently the Abba G. Lichtenstein Professor of Civil Engineering at The Ohio State University. He has authored over 450 research publications including 14 books. He is a Distinguished Member of American Society of Civil Engineers, a Fellow of the American Association for the Advancement of Science, and the Founder and Editor-in-Chief of the international journal Computer-Aided Civil and Infrastructure Engineering.
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