Experimental Study on Crack Width of Reinforced HSC-on-SFRFLC Superposed Beams
- DOI
- 10.2991/icache-15.2015.3How to use a DOI?
- Keywords
- superposed beam; steel fiber reinforced full-lightweight concrete (SFRFLC); high-strength concrete (HSC); longitudinal tensile reinforcement ratio; fraction of steel fiber by volume; depth of normal section; crack distribution; crack width
- Abstract
To take full advantages of high-strength concrete (HSC) and steel fiber reinforced full-lightweight concrete (SFRFLC), a new type of composite beams was suggested, which was cast by HSC superposed on SFRFLC in certain relative depths. Based on the tests of 13 reinforced HSC (in strength grades of C60 and C70)-on-SFRFLC (in strength grades of LC30) superposed beams comparing with 4 reinforced concrete beams, and by using the crack pattern classification analyzing method, this paper studies the regularity of main cross-sectional crack distribution affected by the longitudinal tensile reinforcement ratio, the fraction of steel fiber by volume and the sectional depth of SFRFLC. The methods are determined for the calculation of the height of effective tensile cracked area and the stress of longitudinal tensile rebar considering the loading performance of SFRFLC. The formulas for calculating the crack space and crack width of reinforced HSC-on-SFRFLC superposed beams are suggested.
- Copyright
- © 2015, the Authors. Published by Atlantis Press.
- Open Access
- This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).
Cite this article
TY - CONF AU - Changyong Li AU - Zhaofei Chen AU - Xinxin Ding AU - Shunbo Zhao PY - 2015/11 DA - 2015/11 TI - Experimental Study on Crack Width of Reinforced HSC-on-SFRFLC Superposed Beams BT - Proceedings of the 2015 International Conference on Architectural, Civil and Hydraulics Engineering PB - Atlantis Press SP - 16 EP - 22 SN - 2352-5401 UR - https://doi.org/10.2991/icache-15.2015.3 DO - 10.2991/icache-15.2015.3 ID - Li2015/11 ER -