Discrepancies in Shear Strength of Prestressed Beams with Different Specifications - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Discrepancies in Shear Strength of Prestressed Beams with Different Specifications write by Ozer Dereli. This book was released on 2010. Discrepancies in Shear Strength of Prestressed Beams with Different Specifications available in PDF, EPUB and Kindle. Although Mn/DOT inspection reports indicate that prestressed concrete bridge girders in service do not show signs of shear distress, girders rated with the Virtis-BRASS rating tool and Load Factor Rating (LFR) have indicated that a number of the girders have capacities lower than design level capacities. One of the reasons for the discrepancy was suspected to be conservatism of the rating methods (i.e., LFR). Other suspected reasons included potential flaws in the rating tools used by Mn/DOT (i.e., Virtis-BRASS software) including neglecting possible additional shear capacity parameters (e.g., end blocks). As a consequence, the rating methods have made it difficult to discern the cases for which shear capacity may be a real concern. In order to identify the reasons for the discrepancies and inconsistency in rating results relative to observed performance of the prestressed bridge girders, an analytical research program was conducted. The report provides a brief description of the models that provide the basis for the AASHTO shear design provisions and descriptions of the provisions through the 2002 AASHTO Standard specifications. This is followed by a description of the Virtis-BRASS rating tool, which was verified with example bridges provided by Mn/DOT. To investigate prestressed bridge girders within the inventory that might be most at risk for being undercapacity for shear, 54 girders were selected from the inventory for further evaluation. Some of the 54 girders were found to have larger stirrup spacings than required at the time of design. These girders were subsequently rated and evaluated per the 2002 AASHTO Standard Specifications to determine the adequacy of the designs based on the LFR inventory and operating rating methods. Potential sources for increased shear capacity were identified and reviewed.
Maintenance, Safety, Risk, Management and Life-Cycle Performance of Bridges
Maintenance, Safety, Risk, Management and Life-Cycle Performance of Bridges - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Maintenance, Safety, Risk, Management and Life-Cycle Performance of Bridges write by Nigel Powers. This book was released on 2018-07-04. Maintenance, Safety, Risk, Management and Life-Cycle Performance of Bridges available in PDF, EPUB and Kindle. Maintenance, Safety, Risk, Management and Life-Cycle Performance of Bridges contains lectures and papers presented at the Ninth International Conference on Bridge Maintenance, Safety and Management (IABMAS 2018), held in Melbourne, Australia, 9-13 July 2018. This volume consists of a book of extended abstracts and a USB card containing the full papers of 393 contributions presented at IABMAS 2018, including the T.Y. Lin Lecture, 10 Keynote Lectures, and 382 technical papers from 40 countries. The contributions presented at IABMAS 2018 deal with the state of the art as well as emerging concepts and innovative applications related to the main aspects of bridge maintenance, safety, risk, management and life-cycle performance. Major topics include: new design methods, bridge codes, heavy vehicle and load models, bridge management systems, prediction of future traffic models, service life prediction, residual service life, sustainability and life-cycle assessments, maintenance strategies, bridge diagnostics, health monitoring, non-destructive testing, field testing, safety and serviceability, assessment and evaluation, damage identification, deterioration modelling, repair and retrofitting strategies, bridge reliability, fatigue and corrosion, extreme loads, advanced experimental simulations, and advanced computer simulations, among others. This volume provides both an up-to-date overview of the field of bridge engineering and significant contributions to the process of more rational decision-making on bridge maintenance, safety, risk, management and life-cycle performance of bridges for the purpose of enhancing the welfare of society. The Editors hope that these Proceedings will serve as a valuable reference to all concerned with bridge structure and infrastructure systems, including students, researchers and engineers from all areas of bridge engineering.
Correlation of Previous Research Regarding Shear Strength of Prestressed Concrete Beams
Correlation of Previous Research Regarding Shear Strength of Prestressed Concrete Beams - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Correlation of Previous Research Regarding Shear Strength of Prestressed Concrete Beams write by Robert Edwin Bacon. This book was released on 1962. Correlation of Previous Research Regarding Shear Strength of Prestressed Concrete Beams available in PDF, EPUB and Kindle.
Shear Strength of Prestressed Concrete I Beams
Shear Strength of Prestressed Concrete I Beams - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Shear Strength of Prestressed Concrete I Beams write by Joseph Paul Porretta. This book was released on 1963. Shear Strength of Prestressed Concrete I Beams available in PDF, EPUB and Kindle.
Shear Strength of Prestressed Concrete T-beams with Welded Wire Fabric as Shear Reinforcement
Shear Strength of Prestressed Concrete T-beams with Welded Wire Fabric as Shear Reinforcement - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Shear Strength of Prestressed Concrete T-beams with Welded Wire Fabric as Shear Reinforcement write by Ian Nicol Robertson. This book was released on 1985. Shear Strength of Prestressed Concrete T-beams with Welded Wire Fabric as Shear Reinforcement available in PDF, EPUB and Kindle.
