Written for architects, engineers, preservation, and code enforcement professionals, this is the only comprehensive book that examines how the International Building Code (IBC) and the International Existing Building Code (IEBC) can be applied to historic and existing buildings. For ease of use, the book is organized to parallel the structure of the IEBC itself, and the approach is cumulative, with the objective of promoting an understanding of the art of applying building regulations to the environment of existing buildings.
The principles of regulating existing buildings are discussed. Basic building information, nonconforming rights, and the code’s approach to change of occupancy are included. The prescriptive, work area, and performance compliance methods of the International Existing Building Code are analyzed. Each method of compliance is described with regard to its application to particular situations, such as repairs, alterations, and change of occupancy. Examples are provided to show signifi cant code issues.
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Everytime I use Firefox 9.0.1 to enter this forum or click any thread since this yestersay, the Kaspersky Interset Security 2012 report there is web virus,
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For those meanless word in the quote report, such as "fc^ _ ? -)-)£. 1 (J„ , a", that because Kasperksy doesn't allow use to copy the text in the repoert, so I have to use some OCR software to capture the text from the repoert, which cause the issue.
I notice there is some link in the thread when I copy the report from Kaspersky and paste here, if the link is not allowed, please help me with it, cause I can't find the edit button here, so I can't edit the thread.
Dear all friends:
If you have any book,Papers,.... about Tainter gate design for dam,please kindly Upload.
your Upload will be high appreciated.
thanks in advance.
Chapter 2 - Reason to Consider FRP Composites
General
Structural Considerations
Production Options
Economic Considerations
Environmental Considerations
Material Property Considerations
Chapter 8 - Quality Assurance
Test Methods
Inspection and Performance
Monitoring Methods
Chapter9 - Repair of FRP Composites
General
Routine Maintenance
Repair during Installation
Repairs Due to Accidental Drainage and/or Service Exposures
Prepare Kits
Underwater Repairs
Special Considerations
Appendix A - References
Appendix B - Examples of FRP Composite Applications
Appendix C - Example Specification for FRP Components
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Composite Materials for Civil Engineering Structures - US Army Corps of Engineers
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This PhD dissertation contains a parametric analysis of typical base isolated bridges. The bridges were located in different soil types and were subjected to three different earthquakes (recorded on soft and medium soils). The work had two main objectives: to asses the effects of the nonlinear behavior of the isolation pads of the bridges on the seismic responses (accelerations, displacements, and pier seismic forces), and to study combined effects of base isolation and inertial interaction due to the presence of flexible foundations.
The analytical models used for the study were selected on the basis of initial evaluation of different models proposed in the literature to represent a bridge structure and to evaluate the isolation pads’ nonlinear behavior. The bridges studied were developed with a three-dimensional model. After completing the studies, 2 degree of freedom models were used to investigate more general trends of the inertial SSI effects for the base isolated bridges.
The results of the work show the efficiency of base isolation pads in improving the seismic performance of bridges in most cases. They suggest that the inertial SSI effects will not be generally important for bridge foundations designed with a factor of safety of 3, with more than one line of piles in either direction since they will be very stiff foundations. But they also showed that for slender piers it is important to carefully evaluate the translations on top of the piers due to the rocking effects of the foundation.
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PROBABILISTIC SEISMIC DEMAND ANALYSIS FOR THE NEAR-FAULT ZONE
Author: Reza Sehhati | Size: 4.1 MB | Format:PDF | Publisher: Washington State University | Year: 2008 | pages: 187
Ground motions close to a fault can be significantly influenced by rupture directivity effects. In particular, the effects of forward-directivity may cause severe damage to buildings. These effects have not been clearly addressed in current building codes and engineers still lack specific guidelines as to how to account for forward-directivity effects when determining the seismic hazard for structures. A methodology for probabilistic seismic demand analysis that includes the effects of forward directivity through time domain analysis is proposed in this work. First, the characteristics of forward-directivity ground motions and the structural response to these motions are studied and simplified mathematical representations for pulse-type forward-directivity ground motions are proposed. Intensity Measures for forward directivity ground motions are then proposed based on the simplified pulses. For this purpose, the non-linear dynamic response of three generic multi-story shear buildings to near-fault and ordinary ground motion ensembles was studied using Incremental Dynamic Analysis. Results show that whenever the pulse period of forward-directivity ground motions is close to the first-mode structural period, structural response is controlled by forward-directivity pulses. For these cases, structural response can be predicted using pulse-period and pulse-amplitude as intensity measures.
The principles of Probabilistic Seismic Demand Analysis are then extended to consider the effect of forward-directivity within a probabilistic framework. Structural response to pulse-type forward-directivity ground motions is quantified by means of time-domain analysis of simplified pulses that comprehensively represent all possible pulse-type ground motion scenarios. The hazard due to pulse-type motions is then coupled with conventional spectral domain seismic demand analyses for non-pulse-type ground motions. Results show that the proposed methodology captures more accurately the structural response to pulse-type ground motions than with current methods leading to the prediction of greater hazard for near-fault scenarios. In addition, the proposed method provides a clear guide for the selection of time histories for the design of near-fault structures.
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We released new template (V3.1) for you in the 3rd Anniversary of CivilEA.com.
I want to know which template is your favorite?
- Template V2 (The old one template that use as main template for two years).
- Template V3 (The existing template that use as main template now).
- None, Light template is better. (You do not like dark template and you prefer light template with light background).
This European Standard specifies the requirements for factory made cellular glass products, with or without facings, which are used for the thermal insulation of buildings. The products are manufactured in the form of boards or slabs.
This European Standard specifies product characteristics and includes procedures for testing, evaluation of conformity, marking and labelling.
Products covered by this standard are also used in prefabricated thermal insulation systems and composite panels; the performance of systems incorporating these products is not covered.
This European Standard does not specify the required level of a given property to be achieved by a product to demonstrate fitness for purpose in a particular application. The levels required for a given application are to be found in regulations or non-conflicting standards.
Products with a declared thermal resistance lower than 0,50 m2⋅K/W or a declared thermal conductivity greater than 0,065 W/(m⋅K) at 10 °C are not covered by this European Standard.
This European Standard does not cover products intended to be used for the insulation of building equipment and industrial installations.
This European Standard does not cover the following acoustical aspects: direct airborne sound insulation and impact noise transmission.
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Case Studies of the Seismic Performance of Tall Buildings Designed by Alternative Means
Author: Prof. Jack Moehle et al. | Size: 40 MB | Format:PDF | Publisher: PEER | Year: 2011 | pages: 888
As part of the program development, the Tall Buildings Initiative Guidelines for Performance-Based Seismic Design of Tall Buildings, this report focuses on the tall buildings case studies, i.e., those tasks supported through funding by the California Seismic Safety Commission and California Emergency Management Agency. The work involved probabilistic seismic hazard analysis and development of response spectra and scaled ground motions for design and analysis; design of three tall buildings and their structural systems, each according to three different criteria; analysis of the building designs using consistent modeling and analysis procedures; construction cost analysis; development of repair costs associated with damage for projected earthquakes; and iterations to improve the Tall Buildings Initiative Design Guidelines.
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