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Author : David Shofield
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (733 download)
Download or read book Slender Reinforced Concrete Columns Under Load and Moment written by David Shofield and published by . This book was released on 1983 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : David Schofield
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (117 download)
Download or read book Slender Reinforced Concrete Columns Under Load and Moment written by David Schofield and published by . This book was released on 1983 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Slender reinforced concrete columns have become widely used as structural members in recent years. Current Codes of Practice for Structural Concrete lack sufficient guidance to designers for their safe and efficient design. This investigation studies the behaviour of very slender, pin-ended, reinforced concrete columns, under short-term and sustained loads, by experiment and theoretical analysis. A new approach is used in the method of applying load to the column. A concentric axial load and independant primary end moments are considered. This allows the determination of secondary moments due to axial force and secondary deflections to be easily determined compared with the conventional eccentric load methods adopted in the past. A non-linear, second-order computer analysis has been developed which is capable of accurately predicting the deflections of hinged columns throughout the loading range from zero load to buckling failure, for any combination of eccentric loads and primary moments for short or sustained periods. It has the potential to accept end restraint in order to model framed columns. An extensive experimental programme of tests has been performed on 48 column specimens with slenderness ratios between 29 and 59 under short term loads and 5 specimens under sustained loads for up to two years. A total of 68 short column specimens with an identical section to the slender columns and material specimens were also tested. The specimens had a mean wet-cured cube strength of 42 N/sq.mm. The results of these tests and, 120 similar results of other authors, confirmed the validity of the proposed theoretical analysis and the assumptions used. The computer program which is presented could be made available to design offices for use on a basic micro-computer. The design methods recommended by three Codes of Practice, CP110:1972, ACI318:1977 and CP114:1957, have been compared with the experimental and theoretical results of this work. CP110 and ACI318 are shown to give conservative designs, with an overall load factor of 3.0 and 2.4 respectively, for design loads compared with the 25 year load.
Author : D. Schofield
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (535 download)
Download or read book Slender Reinforced Concrete Columns Under Load and Movement written by D. Schofield and published by . This book was released on 1983 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ka-Wai Lee
Publisher : Cuvillier Verlag
ISBN 13 : 3865370497
Total Pages : 222 pages
Book Rating : 4.8/5 (653 download)
Download or read book Nonlinear Time Dependent Design and Analysis of Slender Reinforced Concrete Columns written by Ka-Wai Lee and published by Cuvillier Verlag. This book was released on 2004 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Wen Hu Tsao
Publisher :
ISBN 13 :
Total Pages : 358 pages
Book Rating : 4.:/5 (269 download)
Download or read book Behavior of Square and L-shaped Slender Reinforced Concrete Columns Under Combined Biaxial Bending and Axial Compression written by Wen Hu Tsao and published by . This book was released on 1992 with total page 358 pages. Available in PDF, EPUB and Kindle. Book excerpt: A numerical analysis was developed to evaluate the complete load-deflection and moment-curvature relationships for square and L-shaped slender reinforced concrete columns subjected to biaxial bending and axial load. This computer model can be used for any cross section geometry and material properties of normal concrete. The analysis was based on a deformation control and both the ascending and descending branches of curves can be studied. The finite difference method was introduced to calculate the deflections which satisfy the compatibility equations. Six square slender columns and eight L-shaped slender columns were tested to compare their experimental load-deformation results with the analytical results derived from the theoretical studies. A satisfactory agreement was achieved for the present study. The results of present study can be used for future design reference.
Author : R.S. Ghosh
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (428 download)
Download or read book Behaviour of Slender Reinforced Concrete Columns Subjected to Bending and Axial Load written by R.S. Ghosh and published by . This book was released on 1965 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Pramoth Tharasak
Publisher :
ISBN 13 :
Total Pages : 188 pages
Book Rating : 4.:/5 (774 download)
Download or read book Lateral Instability of Slender Reinforced Concrete Columns Under Combined Bending Moment and Axial Force written by Pramoth Tharasak and published by . This book was released on 1970 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Byong Youl Bahn
Publisher :
ISBN 13 :
Total Pages : 302 pages
Book Rating : 4.:/5 (32 download)
Download or read book Behavior of Concrete and Slender Reinforced Concrete Columns Under Cyclic Axial Compression with Bidirectional Eccentricities written by Byong Youl Bahn and published by . This book was released on 1993 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt: A rational analysis of reinforced concrete (R/C) structures requires satisfactory modeling of the behavior of concrete under general loading patterns. The behavioral characteristics of concrete dominantly depends upon its load history. For the study of concrete behavior, parametric study and experimental investigation into the behavior of concrete under load history of random cycles are performed. Through parametric study, the applicability of the previous concrete models is examined and a physically motivated modeling for the cyclic stress-strain relationships is proposed. The present modeling of concrete under general cyclic loading is initiated to provide substantial applicability, flexibility of mathematical expressions and furthermore to describe the behavior of random cycles. For the experimental study of concrete subjected to cyclic axial compressions, tests of 3 in. by 6 in. concrete cylinders are conducted under four different loading regimes to determine the major experimental parameters for the proposed analytical expressions. The model developed is based on the results of parametric study and experimental data obtained for the present study. The validity of the proposed general cyclic model is confirmed through a comparison of the experimental results and simulated behavior of the model. Furthermore, the analytical model proposed has been idealized and incorporated into the procedures in analyzing RIC columns. The behavior of R/C columns having various properties and subjected to a variety of loading conditions have been the topics of considerable investigation. Of particular significance in the area of unexplored problems is the behavior of R/C columns under cyclic compressive load. It should be noted that cyclic loads with bidirectional eccentricities considered are in the longitudinal direction, and not in the transverse direction, with respect to the column axis. For the experimental investigation, tests of four foot long columns are conducted under stroke control to achieve both ascending and descending branches of the load-deformation curves. Analysis of RC columns subjected to cyclic axial compressions with bidirectional eccentricities should be approached from the standpoint of a three dimensional problem. A numerical procedure based on extended finite segment method is proposed here to predict the ultimate load, deflections and moment-curvature of experimental results. It is found that the proposed numerical analysis can reasonably simulate the loading and unloading behavior of R/C columns under combined biaxial bending moments and axial compressions.
Author : R. H. Basappa Setty
Publisher :
ISBN 13 :
Total Pages : 130 pages
Book Rating : 4.:/5 (318 download)
Download or read book Strength of High Strength Concrete Columns Under Eccentric Compression written by R. H. Basappa Setty and published by . This book was released on 1995 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt: The research work involved a study of behaviour and strength of eccentrically loaded High Strength Concrete columns. The research comprised experimental and analytical components. With regard to experimental work, twelve columns were manufactured and tested to failure. All columns were rectangular in cross-section with 300 mm x 100 mm as dimensions. The test specimens were loaded about the minor axis. The ratio of longitudinal reinforcement was either 1.47% (4 - 12 mm diameter bars) or 2.2% (6 - 12 mm diameter bars). The lateral reinforcement was in the form of rectangular closed ties made of 6 mm wires (W6). The spacing of ties was generally 50 mm, but, was decreased to 30 mm, at either ends to avoid premature failure.
Author : Adriana Dracos
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (535 download)
Download or read book Long Slender Reinforced Concrete Columns written by Adriana Dracos and published by . This book was released on 1982 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : A. Farah
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (428 download)
Download or read book Behaviour of Slender Reinforced Concrete Columns Subjected to Longitudinal Load and Biaxial Bending written by A. Farah and published by . This book was released on 1967 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : F. K. Kong
Publisher : CRC Press
ISBN 13 : 9780412384202
Total Pages : 530 pages
Book Rating : 4.3/5 (842 download)
Download or read book Reinforced and Prestressed Concrete written by F. K. Kong and published by CRC Press. This book was released on 1998-04 with total page 530 pages. Available in PDF, EPUB and Kindle. Book excerpt: This highly successful textbook has been comprehensively revised for two main reasons: to bring the book up-to-date and make it compatible with BS8110 1985; and to take into account the increasing use made of microcomputers in civil engineering. An important chapter on microcomputer applications has been added.
Author : V. R. Pancholi
Publisher :
ISBN 13 :
Total Pages : 391 pages
Book Rating : 4.:/5 (16 download)
Download or read book The Instability of Slender Reinforced Concrete Columns written by V. R. Pancholi and published by . This book was released on 1977 with total page 391 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Lin Showmay Hsu
Publisher :
ISBN 13 :
Total Pages : 265 pages
Book Rating : 4.:/5 (187 download)
Download or read book Behavior of High Strength Concrete and Slender Reinforced Concrete Columns with and Without Steel Fibers written by Lin Showmay Hsu and published by . This book was released on 1992 with total page 265 pages. Available in PDF, EPUB and Kindle. Book excerpt: A series of compression tests are conducted on 3 in. by 6 in. cylindrical specimens using a modified testing method that give the complete stress-strain behavior for both plain and fibrous high strength concretes with or without tie confinements. The volume fractions of fiber in the concrete are 0%, 0.5%, 0.75%, and 1.0%, respectively. Empirical equations are proposed herein to represent the complete stress-strain relationships of high strength and high strength fibrous concretes with compressive strength exceeding 10,000 psi. Various parameters are studied and their relationships are experimentally determined. The comparison between the experimental and analytical results shows to have good agreement. The proposed empirical stress-strain equations for high strength and high strength steel fiber concretes are used as material properties to modify the existing computer program of biaxially loaded slender reinforced concrete columns. This computer program evaluates the complete biaxial load-deflection and moment-curvature relationships of slender columns from zero load until failure. A total of nine high strength and five high strength steel fiber slender reinforced concrete columns are tested to compare their experimental load-deformation results with the analytical values derived from the present theoretical studies. A satisfactory agreement is attained for both ascending and descending branches of the load-deformation curves.
Download or read book Time Dependent Effects of Slender Structural Reinforced Concrete Columns Under Biaxial Load written by and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: HKUST Call Number: Thesis CIVL 1998 Lee.
Author : Sing-Ping Chiew
Publisher : CRC Press
ISBN 13 : 0429890710
Total Pages : 99 pages
Book Rating : 4.4/5 (298 download)
Download or read book Design Examples for High Strength Steel Reinforced Concrete Columns written by Sing-Ping Chiew and published by CRC Press. This book was released on 2018-04-17 with total page 99 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is the companion volume to Design of High Strength Steel Reinforced Concrete Columns – A Eurocode 4 Approach. This book provides a large number of worked examples for the design of high strength steel reinforced concrete (SRC) columns. It is based on the Eurocode 4 approach, but goes beyond this to give much needed guidance on the narrower range of permitted concrete and steel material strengths in comparison to EC2 and EC3, and the better ductility and buckling resistance of SRC columns compared to steel or reinforced concrete. Special considerations are given to resistance calculations that maximize the full strength of the materials, with concrete cylinder strength up to 90 N/mm2, yield strength of structural steel up to 690 N/mm2 and yield strength of reinforcing steel up to 600 N/mm2 respectively. These examples build on the design principles set out in the companion volume, allowing the readers to practice and understand the EC4 methodology easily. Structural engineers and designers who are familiar with basic EC4 design should find these design examples particularly helpful, whilst engineering undergraduate and graduate students who are studying composite steel concrete design and construction should easily gain further understanding from working through the worked examples which are set out in a step-by-step clearly fashion.
Author : Berringer, Paulo Antonio Carlos Berringer
Publisher :
ISBN 13 :
Total Pages : 102 pages
Book Rating : 4.:/5 (31 download)
Download or read book Ultimate Load Capacity of Very Slender Reinforced Concrete Columns Loaded Axially written by Berringer, Paulo Antonio Carlos Berringer and published by . This book was released on 1954 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt:
