Residual Axial Capacity of Fire Exposed Reinforced Concrete Columns PDF Download
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Author: Derek R. Hibner
Publisher:
ISBN: 9780355236002
Category : Electronic dissertations
Languages : en
Pages : 134
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Book Description
Author: Derek R. Hibner
Publisher:
ISBN: 9780355236002
Category : Electronic dissertations
Languages : en
Pages : 134
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Book Description
Author: Anjaly Nair
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
The superior thermal property of concrete associated to its great capability of thermally insulating the embedded reinforcing steel rebar is the main reason for the good behavior of reinforced concrete structural elements in fire condition, compared to other construction materials. However, at elevated temperatures, concrete still undergoes changes in its mechanical and thermal properties, which mainly cause degradation of strength and may lead to the failure of the structure. Retrofitting is a desirable alternative to rehabilitate post-fire concrete structures. However, in order to ensure safe reuse of fire-exposed buildings and to adopt proper retrofitting methods, it is essential to evaluate the residual strength capacity of fire-damaged reinforced concrete structural elements. The focus of this experimental research study is to investigate the fire performance of reinforced concrete columns exposed to elevated temperatures that followed CAN/ULC-S101 standard fire, and then evaluate their residual compressive strengths after fire exposure. In order to effectively study the fire performance of such columns, eight identical 200 x 200 x 1500mm high reinforced-concrete column test specimens were subjected to two different durations of standard fire exposure (1 hour and 2 hours) while being loaded with two different axial load ratios (20% and 40% of the column ultimate design axial compressive load capacity). In a subsequent stage and after complete cooling down, residual compressive strength capacity tests were performed on the fire-exposed columns. Experimental results showed that the residual compressive strength capacity dropped to almost 50% and 30% of its ambient temperature capacity for the columns exposed to 1- and 2-hour fire durations, respectively. It was also noticed that the applied load ratio has less effect on the column's residual compressive strength compared to that of the fire duration.
Author: Institut de recherche en construction (Canada)
Publisher:
ISBN:
Category : Fire testing
Languages : en
Pages : 22
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Book Description
Author: Sara Abdulrahim Al-Balushiyah
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Author: fib Fédération internationale du béton
Publisher: fib Fédération internationale du béton
ISBN: 288394086X
Category : Technology & Engineering
Languages : en
Pages : 216
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Book Description
Concrete is well known to behave efficiently in fire conditions, as it is incombustible, does not emit smoke, and provides good thermal insulation. Furthermore, in reinforced concrete structures, the concrete cover gives a natural protection to the reinforcement, and the size of the sections often delays the heating of the core, thus favouring the fire resistance of the structural members. In addition, concrete structures are often robust and therefore able to accommodate local damage without major consequences to the overall structural integrity. However, past experience with real fires shows that a thorough understanding of concrete behaviour and structural mechanics is still needed to improve the design of R/C structures with respect to fire. The objective of fib Bulletin 46 is to augment the current knowledge about concrete and concrete structures under fire, not only for the design of new structures, but also for the analysis and repair of existing fire-damaged structures. Both structural and materials issues are examined, and the results of the most recent research activities on the structural performance of concrete subjected to fire are reported. Special attention is paid to the indirect actions caused by the restrained thermal deformations and several basic examples show how a local fire influences global structural behaviour. fib Bulletin 46 is intended for use by practicing engineers to improve their understanding of the behaviour of concrete structures in fire and thereby produce better and safer design standards.
Author: Kok Keong Choong
Publisher: Springer Nature
ISBN: 9811627150
Category : Technology & Engineering
Languages : en
Pages : 81
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Book Description
This book highlights the residual strength of the CFDST column, that can be used to determine the most suitable repair method in order to retrofit the column. The book elaborates on the behavior of CFDST column after being exposed to fire. This book also discusses the effectiveness of repair method using single and Hybrid Fibre Reinforced Polymer (FRP) of fire-damaged CFDST columns. It concludes by taking a look at different parameters such as thickness of outer steel tube and fire exposure time as factors affecting thermal properties/stability.
Author: Walter Austin Hull
Publisher:
ISBN:
Category : Building, Fireproof
Languages : en
Pages : 84
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Book Description
Author: Guoqing Geng
Publisher: Springer Nature
ISBN: 9811973318
Category : Technology & Engineering
Languages : en
Pages : 1545
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Book Description
This book presents articles from The 17th East Asian-Pacific Conference on Structural Engineering and Construction, 2022, organized by National University of Singapore. These peer-reviewed articles, authored by professional engineers, academics and researchers, highlight the recent research and developments in structural engineering and construction, embracing the theme- “Towards a Resilient and Sustainable City”. The papers presented in this proceeding provide in-depth discussions with key insights into the future research, development and engineering translation in structural engineering and construction.
Author: Rilem
Publisher: CRC Press
ISBN: 1482271362
Category : Technology & Engineering
Languages : en
Pages : 1609
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Book Description
This is a compilation of over 170 technical recommendations prepared by RILEM Technical Committees between 1972 and 1994. These give authoritative procedures for the testing and use of many construction materials. The book presents an authoritative source of reference for engineers, scientists and technologists involved in the develo
Author: Bashar S. Mohammed
Publisher: Springer Nature
ISBN: 9819911117
Category : Architecture
Languages : en
Pages : 774
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Book Description
This book contains papers presented at the International Conference on Emerging Smart Cities (ICESC2022), previously known as the International Conference on Civil, Offshore and Environmental Engineering (ICCOEE). ICESC is held under the banner of World Engineering, Science and Technology Congress (ESTCON2022) from 1 to2 December 2022 at Borneo Convention Centre, Kuching, Sarawak, Malaysia. This proceeding contains papers presented by academics and industrial practitioners showcasing the latest advancements and findings in civil engineering areas with an emphasis on emerging smart cities for the ultimate shape of urban living in the near future. The papers are categorized under the following tracks: (1) Climate Adaptive materials; (2) Environmental sustainability; (3) Infrastructure efficiency.
