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Behaviour Of High Strength Concrete Columns Under Axial Load And Uniaxial Bending
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Book Synopsis Behaviour of High Strength Concrete Columns Under Axial Load and Uniaxial Bending by : Natalie Anne Lloyd
Download or read book Behaviour of High Strength Concrete Columns Under Axial Load and Uniaxial Bending written by Natalie Anne Lloyd and published by . This book was released on 1994 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt: Due to significant economic and structural advantages associated with the use of high strength concrete in compression members, the application of high strength concrete in columns and core walls is increasing. The advantages of using high strength concrete are well documented. Utilisation of high strength concrete leads to a reduction in column size. However, this results in an increase in slenderness of columns which would otherwise be stocky when built using low strength concrete. In addition, columns are rarely designed for pure axial load yet most research to date has focussed on high strength colurnns subject to concentric compression. Very limited data is available on columns subject to eccentric compression. The present research therefore focussed on slender columns subject to eccentric compression.
Book Synopsis Behavior of High Strength Concrete Columns Under Axial Load and Cyclic Flexure by : Dharmendra Vallabhbhai Shah
Download or read book Behavior of High Strength Concrete Columns Under Axial Load and Cyclic Flexure written by Dharmendra Vallabhbhai Shah and published by . This book was released on 1991 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Strength of High Strength Concrete Columns Under Eccentric Compression by : R. H. Basappa Setty
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.
Book Synopsis Behavior of Spirally Reinforced High Strength Concrete Columns Under Axial Loading by :
Download or read book Behavior of Spirally Reinforced High Strength Concrete Columns Under Axial Loading written by and published by . This book was released on 1996 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Behavior of Light Weight High Strength Concrete Columns Under Axial Load and Cyclic Flexure by : Sandeep Navinchandra Patel
Download or read book Behavior of Light Weight High Strength Concrete Columns Under Axial Load and Cyclic Flexure written by Sandeep Navinchandra Patel and published by . This book was released on 1992 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Behavior of Slender High Strength Steel Fiber Reinforced Concrete Columns Under Combined Biaxial Bending and Axial Compression by : Tzuoh-Jaw Wu
Download or read book Behavior of Slender High Strength Steel Fiber Reinforced Concrete Columns Under Combined Biaxial Bending and Axial Compression written by Tzuoh-Jaw Wu and published by . This book was released on 1990 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Behaviour of Square High-strength Concrete Columns Under Load Reversals by : Wojciech Lipien
Download or read book Behaviour of Square High-strength Concrete Columns Under Load Reversals written by Wojciech Lipien and published by . This book was released on 1996 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Strength and deformation characteristics of 10 square confined high-strength concrete columns were investigated. Properties of columns were selected to allow assessment of the importance of confinement parameters for high-strength concrete columns. The specimens were tested under constant axial compression and incrementally increasing lateral deformation reversals, simulating seismic action. The data indicate that high-strength concrete columns can be confined to behave in a ductile manner. The volumetric ratio of confinement reinforcement required for high strength concrete columns is higher than that required for normal-strength concrete columns, although the spacing requirement does not appear to be a function of concrete strength. Columns confined with higher grade lateral reinforcement require lower volumetric ratios of confinement steel. The arrangement of lateral reinforcement plays an important role on improving deformability. Columns confined with well-distributed longitudinal reinforcement, laterally supported by transverse reinforcement show improved deformability. The volumetric ratio and spacing limitations for these columns need not be as stringent as those required for less favourable steel arrangements. Axial compression reduces column ductility. An analytical investigation was also conducted to assess the applicability of conventional analyses techniques used for normal-strength concrete columns to those made with high-strength concrete. The applicability of a confinement model, based on test data under concentric compression, was verified against experimental data. The results indicate that the confinement model can be employed to columns under combined bending and axial load. Furthermore, moment-curvature relationships obtained by plane section analysis, moment-rotation and force-displacement relationships obtained by integration of curvatures and consideration of column plastic hinging region, as usually done for columns with normal-strength concrete, produce fairly accurate representation of experimentally observed force-deformation relationships. (Abstract shortened by UMI.).
Book Synopsis Experimental Evaluation of the Axial Load Behavior of Tied High-strength Concrete Columns by : Wen-Hsiung Lin
Download or read book Experimental Evaluation of the Axial Load Behavior of Tied High-strength Concrete Columns written by Wen-Hsiung Lin and published by . This book was released on 1996 with total page 177 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Axial Loading and Unsymmetrical Bending of Reinforced Concrete Columns by : Arthur James Rensaa
Download or read book Axial Loading and Unsymmetrical Bending of Reinforced Concrete Columns written by Arthur James Rensaa and published by . This book was released on 1961 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Normal-strength and High-strength Concrete Columns Under Cyclic Axial Load and Biaxial Moment by : Mehdi Zarei
Download or read book Normal-strength and High-strength Concrete Columns Under Cyclic Axial Load and Biaxial Moment written by Mehdi Zarei and published by . This book was released on 2016 with total page 151 pages. Available in PDF, EPUB and Kindle. Book excerpt: The technique of using Carbon Fiber Reinforced Polymer (CFRP) materials to repair and strengthen various concrete members has become popular in the structural retrofitting field as an effective way to enhance the strength and ductility of concrete members due to its superior mechanical properties. In this study a method was introduced to study the behavior of concrete columns with and without CFRP jackets under constant axial load and variable lateral load. The lateral load was applied monotonically and cyclically. To predict the behavior of concrete columns under monotonic and cyclic compressive loadings, a computer code was developed to produce the moment-curvature diagram for concrete sections. The moment-curvature diagram was then input in SAP2000 to study the behavior of reinforced concrete columns. The result of this analysis was found to correlate with experimental data well. The behavior of high-strength concrete (HSC) columns having various properties and subjected to a variety of loading conditions has been the topic of considerable investigation. Of particular significance in this area is the behavior of HSC columns under cyclic compressive load with bidirectional eccentricity. For the experimental investigation, tests of six square slender HSC columns were conducted under stroke control to achieve both ascending and descending branches of the load-deformation curves. Analysis of HSC columns subjected to cyclic axial compression with bidirectional eccentricity was approached from the standpoint of a three-dimensional problem. A computer program based on the extended finite segment method and accounting for geometrical nonlinearity has been proposed here to predict the load-deflection curves of HSC columns under cyclical loading. The HSC stress-strain relationship obtained by parametric study and experimental investigation into the behavior of concrete under cyclical load history has been incorporated into the numerical procedure. The presented computer analysis results have been compared with the experimental data, and a satisfactory agreement was attained for both the ascending and descending branches of the load-deformation curves.
Book Synopsis Behavior of High Strength Irregular Shaped Reinforced Concrete Columns Under Combined Biaxial Bending and Compression by : Gabriel Hannoush
Download or read book Behavior of High Strength Irregular Shaped Reinforced Concrete Columns Under Combined Biaxial Bending and Compression written by Gabriel Hannoush and published by . This book was released on 1985 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Behavior of Long, Hinged End Reinforced Concrete Columns Under Sustained Axial Load and Biaxial Bending by : Charles E. Vandevelde
Download or read book The Behavior of Long, Hinged End Reinforced Concrete Columns Under Sustained Axial Load and Biaxial Bending written by Charles E. Vandevelde and published by . This book was released on 1968 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Behaviour of High Performance Fibre Reinforced Concrete Columns Under Axial Loading by : Milad Mohammadi Hosinieh
Download or read book Behaviour of High Performance Fibre Reinforced Concrete Columns Under Axial Loading written by Milad Mohammadi Hosinieh and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: When compared to traditional concrete, steel fibre reinforced concrete (SFRC) shows several enhancements in performance, including improved tensile resistance, toughness and ductility. One potential application for SFRC is in columns where the provision of steel fibres can improve performance under axial and lateral loads. The use of SFRC can also allow for partial replacement of transverse reinforcement required by modern seismic codes. To improve workability, self-consolidating concrete (SCC) can be combined with steel fibres, leading to highly workable SFRC suitable for structural applications. Recent advances in material science have also led to the development of ultra-high performance fibre reinforced concretes (UHPFRC), a material which exhibits very high compressive strength, enhanced post-cracking resistance and high damage tolerance. In heavily loaded ground-story columns, the use of UHPFRC can allow for reduced column sections. This thesis presents the results from a comprehensive research program conducted to study the axial behaviour of columns constructed with highly workable SFRC and UHPFRC. As part of the experimental program, twenty-three full-scale columns were tested under pure axial compressive loading. In the case of the SFRC columns, columns having rectangular section and constructed with SCC and steel fibres were tested, with variables including fibre content and spacing of transverse reinforcement. The results confirm that use of fibres results in improved column behaviour due to enhancements in core confinement and cover behaviour. Furthermore, the results demonstrate that the provision of steel fibres in columns can allow for partial replacement of transverse reinforcement required by modern codes. The analytical investigation indicates that confinement models proposed by other researchers for traditional RC and SFRC can predict the response of columns constructed with SCC and highly workable SFRC. In the case of the UHPFRC columns, variables included configuration and spacing of transverse reinforcement. The results demonstrate that the use of appropriate detailing in UHPFRC columns can result in suitable ductility. Furthermore, the results demonstrate the improved damage tolerance of UHPFRC when compared to traditional high-strength concrete. The analytical investigation demonstrates the need for development of confinement models specific for UHPFRC.
Book Synopsis Confinement Study of High Strength Concrete Columns Under Axial Load by : Dennis Robert Paul
Download or read book Confinement Study of High Strength Concrete Columns Under Axial Load written by Dennis Robert Paul and published by . This book was released on 1991 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Behavior of L-shaped Reinfoced Concrete Columns Under Combined Biaxial Bending and Compression by : Amar Shah
Download or read book Behavior of L-shaped Reinfoced Concrete Columns Under Combined Biaxial Bending and Compression written by Amar Shah and published by . This book was released on 1984 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt: Combined biaxial and axial compression for L-shaped reinforced concrete short columns is a common design Problem. Current code, provisions and the available design aids do not offer an insight into the determination of strength and ductility of biaxially loaded reinforced concrete column. An experimental and analytical investigation of the moment-deformation behavior of biaxially loaded L-shaped short columns were undertaken. Four 1/2 scaled specimens were tested till failure. Moment-curvature and load-deflection curves were developed from the experimental and the analytical results. The analytical results were obtained using a computer program developed by Hsu (1). From the investigation it is deduced that the computer program developed by Hsu (1) can be used to find the ultimate strength, the moment-deformation characteristics, the stress and the strain distributions across the section of L-shaped, biaxially loaded column with large and small eccentricities.
Book Synopsis Behaviour of Slender Reinforced Concrete Columns Subjected to Bending and Axial Load by : R.S. Ghosh
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:
Book Synopsis Analysis of Cellular Reinforced Concrete Columns Under Biaxial Moments by : Hongwei Brian Chang
Download or read book Analysis of Cellular Reinforced Concrete Columns Under Biaxial Moments written by Hongwei Brian Chang and published by . This book was released on 1987 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt:
