INVESTIGATION ON THE TEST OF FLEXURAL STRENGTH OF STEEL FIBER RECYCLED CONCRETE

Wang Junlong; Xiao Jianzhuang

doi:10.13204/j.gyjz200701021

Volume 37 Issue 1

Dec. 2014

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2007 > 37(1): 82-86

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Wang Junlong, Xiao Jianzhuang. INVESTIGATION ON THE TEST OF FLEXURAL STRENGTH OF STEEL FIBER RECYCLED CONCRETE[J]. INDUSTRIAL CONSTRUCTION, 2007, 37(1): 82-86. doi: 10.13204/j.gyjz200701021

Citation:

Wang Junlong, Xiao Jianzhuang. INVESTIGATION ON THE TEST OF FLEXURAL STRENGTH OF STEEL FIBER RECYCLED CONCRETE[J]. INDUSTRIAL CONSTRUCTION, 2007, 37(1): 82-86. doi: 10.13204/j.gyjz200701021

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INVESTIGATION ON THE TEST OF FLEXURAL STRENGTH OF STEEL FIBER RECYCLED CONCRETE

doi: 10.13204/j.gyjz200701021

Wang Junlong¹,
Xiao Jianzhuang²

1.
1 Department of Civil Engineering,Xi'an Railway Vocational and Technical Institute Xi'an 710600;
2.
2 Department of Building Engineering,Tongji University Shanghai 200092

Received Date: 2006-03-09
Publish Date: 2007-01-20

Abstract

Abstract

The flexural strength of steel fiber recycled concrete (SRC) with different recycled coarse aggregate(RCA) replacement ratio and different water/cement(W/C) ratios was investigated,these SRC were mixed with RCA in weight percentage of(referred to total coarse aggregate) 0%,30%,50%,70% and 100%. Firstly,the basic performances of RCA were undertaken in the interior tests,mainly including the density,Los Angeles abrasion loss and crush index,etc.,and then the flexural strength of SRC has also been undertaken.The results indicated that the flexural strength of SRC can be greatly influenced by the content of RCA and different(W/C) ratios.On condition that the design flexural strength was 6.0 MPa and the content of steel fiber was 1.0%,when the content of RCA is less than 50% and W/C ratios is from 0.44 to 0.47,the 28d flexural strength of SRC is very approaching to the plain steel fiber concrete.However,if the data were not in these ranges,the flexural strength of SRC would have a remarkable decrease.Finally,the SRC content with 30% RCA has been applied in a trial pavement section,the data of flexural strength from in-situ could have met the demand of grade I.
- recycled coarse aggregate (RCA),
- steel fiber recycled concrete ( SRC),
- content of RCA,
- W/C ratio,
- flexural strength

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References(7)

References

Y Kasai. Guidelines and the Present State of the Reuse of Demolished Concrete in Japan[A].London:E and FN Spon,1994.

罗蓉,冯光乐. 再生水泥混凝土研究综述[J].中外公路,2003,(04).

肖益民,唐凛. 合宁高速公路水泥混凝土路面再生利用的研究[A].北京:人民交通出版社,2002.

王军龙,肖建庄. 再生混凝土在刚性路面中的应用研究[J].公路交通科技,2005,(08).

JTG D40-2002.公路水泥混凝土路面设计规范[S].

Abdol S. Use of Recycled Aggregate for Pavenent[A].Thomas Telford,1998.

JTJ 053-1994.公路工程水泥混凝土试验规程[S].

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