Torsional Strength And Behavior Of Concrete Beams In Combined Loading
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Torsional Strength And Behavior Of Concrete Beams In Combined Loading
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Author : Pandit, Ganpat Shankar
language : en
Publisher: s.l. : s.n.
Release Date : 1965
Torsional Strength And Behavior Of Concrete Beams In Combined Loading written by Pandit, Ganpat Shankar and has been published by s.l. : s.n. this book supported file pdf, txt, epub, kindle and other format this book has been release on 1965 with Concrete beams categories.
The experimental work applying combined loading and tests on 36 plain and reinforced concrete beams of 6 x 12-in. nominal size. Twenty beams were tested in different combinations of bending and torsion. Various combinations of reinforcing steel were used. Sixteen beams were tested in different combinations of bending, torsion, and shear. All the beams tested in this investigation were first subjected to transverse load and then twisted to failure. A simple analysis has been developed for predicting the torsional strength of a beam subjected to combined loading. The tests indicate that the presence of flexure to a certain limit increases the torsional strength of a typical beam section.
The Torsional Strength Of Rectangular Reinforced Concrete Beams Subjected To Combined Loading
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Author : Arthur Edward McMullen
language : en
Publisher:
Release Date : 1967
The Torsional Strength Of Rectangular Reinforced Concrete Beams Subjected To Combined Loading written by Arthur Edward McMullen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with Concrete beams categories.
The primary objective of this investigation was to study the behavior of reinforced concrete beams subjected to combined loading with particular regard to their behavior at failure. The experimental phase of this investigation consisted of testing 34 reinforced concrete beams. Twenty two beams were subjected to various combinations of bending and torsion and twelve were subjected to various combinations of bending, torsion and shear. All beams had a nominal cross section of 6" x 12" and a nominal concrete strength of 5000 psi. Both longitudinal and transverse reinforcement in various combinations was provided in all beams. The testing equipment that was designed and fabricated for this investigation permitted independent application of the twisting and transverse loads. The ratio between the twisting moment and the bending moment could be changed at any time during a test. All beams were tested to failure by applying the load in a series of increments. Each increment consisted of increasing to a predetermined level the transverse load or the twisting load or both, depending on the type of test. In the cases where both types of load were applied in the same increment, the transverse load was applied first. Twenty nine beams were subjected to loads such that for any one test the ratio of twisting moment to bending moment at the end of each increment was a constant. For the other five beams this ratio was different at the end of each increment and four of these beams were subjected to various sequences of load. Based on the observations made in the experimental phase of this investigation three idealized failure surfaces have been presented, two of which were first suggested by Lessig. Equations for the ultimate torsional strength of a beam based on each of the three failure surfaces have been developed and their method of solution has been presented. These equations have also been simplified and an interaction diagram consisting of three straight lines has been presented along with the applicable equations. The correlation between the experimental results of 109 beams and the theoretical results obtained from both the simplified analysis and the more comprehensive analysis has been given. Of these beams, 34 are the beams tested in this investigation and 75 are beams that have been tested by other investigators. The observations and test results indicate that reinforced concrete beams that are subjected to bending, torsion and moderate amounts of transverse shear can fail by three different modes. These modes of failure are characterized by the formation of a hinge adjacent to one face of the beam and yielding of the reinforcement adjacent to the face opposite to the hinge. The modes of failure predicted by the analysis agree with the observed modes of failure.
Concrete Beams With Openings
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Author : M. A. Mansur
language : en
Publisher: CRC Press
Release Date : 1999-01-29
Concrete Beams With Openings written by M. A. Mansur and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999-01-29 with Technology & Engineering categories.
This book compiles state-of-the-art information on the behavior, analysis, and design of concrete beams containing transverse openings. Discussions include the need, effects, and classification of openings as well as the general requirements for fulfilling design pure bending, combined bending, and shear - illustrated with numerical examples torsion alone or in combination with bending and shear large rectangular openings as well as opening size and location on beam behavior methods for analyzing ultimate strength and serviceability requirements effects of torsion in beams large openings in continuous beams and their effects on possible redistribution of internal forces as well as guidelines and procedures for the design of such beams effect of prestressing on the serviceability and strength of beams with web openings design against cracking at openings and ultimate loads Concrete Beams with Openings serves as an invaluable source of information for designers and practicing engineers, especially useful since little or no provision or guidelines are currently available in most building codes.
Torsion Of Structural Concrete
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Author :
language : en
Publisher:
Release Date : 1968
Torsion Of Structural Concrete written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with Concrete categories.
The Torsional Strength Of Rectangular Reinforced Concrete Beams To Combined Loading
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Author : A. E. McMullen
language : en
Publisher:
Release Date : 1967
The Torsional Strength Of Rectangular Reinforced Concrete Beams To Combined Loading written by A. E. McMullen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with Concrete beams categories.
Design Of Concrete Beams For Torsion
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Author : David Anthony Fanella
language : en
Publisher:
Release Date : 1997
Design Of Concrete Beams For Torsion written by David Anthony Fanella and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Strains and stresses categories.
Strength And Behaviour Of Fibre Reinforced Concrete Beams Under Combined Bending Shear And Torsion
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Author : Firdaus Kamalodeen
language : en
Publisher:
Release Date : 1993
Strength And Behaviour Of Fibre Reinforced Concrete Beams Under Combined Bending Shear And Torsion written by Firdaus Kamalodeen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Concrete beams categories.
The Behaviour And Ultimate Strength Of Rectangular Reinforced Concrete Beams Subjected To Combined Torsion Bending And Shear
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Author : I. Devonport
language : en
Publisher:
Release Date : 1983
The Behaviour And Ultimate Strength Of Rectangular Reinforced Concrete Beams Subjected To Combined Torsion Bending And Shear written by I. Devonport and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Concrete categories.
The Behaviour And Ultimate Strength Of Prestressed Concrete Beams Subjected To Combined Bending And Torsion
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Author : Shahin Taavoni
language : en
Publisher:
Release Date : 1977
The Behaviour And Ultimate Strength Of Prestressed Concrete Beams Subjected To Combined Bending And Torsion written by Shahin Taavoni and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with categories.
The Torsional Strength Of Rectangular Reinforced Concrete Beams Subjected To Combined Loading By A E Mcmullen And J Wawaruk
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Author : A. E. McMullen
language : en
Publisher:
Release Date : 1967
The Torsional Strength Of Rectangular Reinforced Concrete Beams Subjected To Combined Loading By A E Mcmullen And J Wawaruk written by A. E. McMullen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with Concrete categories.