Suspension Bridge Analysis By The Exact Method Simplified By Knowledge Of Its Relations To The Approximate Method
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Book Description
Publication Date: October 31, 1995 | ISBN-10: 0133627160 | ISBN-13: 978-0133627169 | Edition: 1st
This text focuses on the engineering aspects of strengthening and rehabiliation of bridges. It covers bridge rating, economic factors and cost effectiveness studies, methods of testing and evaluation of existing members, retrofit and replacement of members. It should be useful for bridge engineers, inspectors, contractors, planners, bridge and transportation agencies, and other bridge professionals.
--This text refers to the Hardcover edition.
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Indian Standard SEISMIC EVALUATION AND STRENGTHENING OF EXISTING REINFORCED CONCRETE BUILDINGS — GUIDELINES
Size: 1.3 MB | Format:PDF | Quality:Unspecified | Publisher: B U R E A U O F I N D I A N S T A N D A R D S MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG NEW DELHI | Year: 2013 | pages: 25
This Indian Standard was adopted by the Bureau of Indian Standards, after the draft finalized by the Earthquake
Engineering Sectional Committee had been approved by the Civil Engineering Division Council.
This standard is intended to reduce the risk of death and injury that may result from the damaging effects of
earthquake on building which predate the current seismic codes [IS 1893 (Part 1) : 2002 ‘Criteria for earthquake
resistant design of structures: Part 1 General provisions and buildings’, IS 4326 : 1993 ‘Code of practice for
earthquake resistant design and construction of buildings’ and IS 13920 : 1993 ‘Ductile detailing of reinforced
concrete structures subjected to seismic forces — Code of practice’] or have not been designed for earthquake
forces.
This standard describes a set of key steps and procedures for the assessment of the expected seismic performance
of existing building in the event of a design level earthquake and where found necessary, strengthening of existing
structural systems and elements for improved seismic performance.
Seismic forces for evaluation criteria of existing buildings are different from those meant for the design of new
buildings. Appropriate modifications are made to address the issues of reduced serviceable life and acceptable
risk for higher importance. Further, to account for uncertainty in the reliability of available information about the
existing structure and the condition of structure components, strength calculations need to be suitably modified.
For deficient buildings, a broad outline for the design seismic strengthening measures has been developed and
the interface with current design codes in general terms has been identified.
In the formulation of this standard, assistance has been derived from the following publications:
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Program Plan for the Development of Collapse Assessment and Mitigation Strategies for Existing Reinforced Concrete Buildings
Size: 5.9 MB | Format:PDF | Quality:Unspecified | Publisher: NEHRP Consultants Joint Venture A partnership of the Applied Technology Council and the Consortium of Universities for Research in Earthquake Engineering | Year: 2010 | pages: 100
Reinforced concrete buildings designed and constructed prior to the introduction of seismic design provisions for ductile response (commonly referred to as nonductile concrete buildings) represent one of the largest seismic safety concerns in the United States and the world. The need for improvement in collapse assessment technology for existing nonductile concrete buildings has been recognized as a high-priority
because: (1) such buildings represent a significant percentage of the vulnerable building stock across the United States; (2) failure of such buildings can involve total collapse, substantial loss of life, and significant economic loss; (3) at present, the
ability to predict collapse thresholds for different types of older reinforced concrete buildings is limited; (4) recent research has focused on older West Coast concrete buildings; and, (5) full advantage has not yet been taken of past research products
(ATC, 2003). The National Science Foundation awarded a George E. Brown, Jr. Network for Earthquake Engineering Simulation (NEES) Grand Challenge project to the Pacific
Earthquake Engineering Research (PEER) Center to develop comprehensive strategies for identifying seismically hazardous older concrete buildings, enable prediction of the collapse of such buildings, and to develop and promote costeffective
hazard mitigation strategies for them. Products from this important research effort are expected to soon be available, creating an opportunity for transferring past and present research results into design practice. Recognizing this opportunity, the National Institute of Standards and Technology
(NIST) has initiated a multi-phase project with the primary objective being the development of nationally accepted guidelines for assessing and mitigating the risk of
collapse in older nonductile concrete buildings. This report summarizes efforts to define the scope and content of recommended guidance documents, the necessary
analytical studies, and estimated schedule and budget needed for their development. Based on limitations in current seismic evaluation and rehabilitation practice in the United States (Chapter 2), a review of information currently being developed in the NEES Grand Challenge project (Chapter 3), and an understanding of common deficiencies found in nonductile concrete buildings (Chapter 4), the following critical needs for addressing the collapse risk associated with older concrete construction have been identified:
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Guideline for Post-Earthquake Damage Evaluation And Rehabilitation of RC Buildings in Japan
Author: *Yoshiaki NAKANO1 Institute of Industrial Science, The University of Tokyo, Tokyo, Japan Masaki MAEDA2 Department of Architecture and Building Science, Tohoku University, Sendai, Japan Hiroshi KURAMOTO;nternational Cooperation Center of Engineering Education Development, Toyohashi University of Technology, Toyohashi, Japan Masaya MURAKAMI4 Waseda University, Tokyo, Japan | Size: 938 KB | Format:PDF | Quality:Unspecified | Publisher: Proceedings of The 2nd Korea-Japan Workshop on New Direction for Enhancement of Structural Performance - Formulation, Verification, and Its Application - held at Suzukake Hall, Tokyo Institute of Technology, Yokohama, Japan, August 18-19, 20 | Year: 2003 | pages: 17
Presented in this paper is the basic concept of the Guideline for Post-earthquake Damage Evaluation and Rehabilitation of RC buildings in Japan. This paper discusses the damagerating procedure based on the residual seismic capacity index that is consistent with the Japanese Standard for Seismic Evaluation of Existing RC Buildings, their validity through calibration with observed damage due to the 1995 Hyogoken-Nambu (Kobe) earthquake, the decision policy and criteria to determine necessary actions through comparison between experienced earthquake intensity and damage rate.
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Geotechnical aspects of sabkha at Jubail, Saudi Arabia
Author: A. N. James, A. L. Little | Size: 200 KB | Format:PDF | Quality:Unspecified | Publisher: Quarterly Journal of Engineering Geology and Hydrogeology - Q J ENG GEOL HYDROGEOL 01/1994 | Year: 1994.027.P2.03 | pages: 27(2): 83-121
Article/eBook Full Name: Finite Element Analysis: Theory and Application with ANSYS
Author(s): Saeed Moaveni
Edition: (4th Edition)
Publish Date: 2014
ISBN: 0133840808
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Bentley GeoStructural Finite Element Analysis v17.00.33.00
Size: 256 mb MB
The GeoStructural Finite Element Analysis suite contains tools for performing Finite Element modeling for a range of geotechnical problems including excavation, slope stability, foundation beams, settlement, tunneling, and more.
Key Features
Leverage a database of material models to accurately represent soil or rock mass properties
Model ground water conditions by defining the ground water table (GWT) or the pore water pressure distribution
Construct problems in axisymmetric or plane strain space
Utilize time-saving input of project information using DXF file format and automatic mesh generator
Generate boundary conditions automatically or through individual specification
Specify analysis for stress distribution, stability, fluid flow, and tunnels
Specify regional design standards for concrete (e.g., ACI) and steel structures
Accurately model complex multi-stage construction projects
Analyze an unlimited number of anchor, geogrid, and geotextile elements
Analyze an unlimited number of surcharge loads
Analyze project for stability throughout construction sequence to identify safety concerns
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Advance Steel is a modeling package that accelerates the creation of general arrangement drawings, fabrication drawings, list of materials and NC files.
From the model, Advance Steel creates all fabrication drawings and offers a large selection of tools for automated detail creation, dimension, annotations, symbols and drag and drop printing layouts.
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