Bond behavior of deformed steel bars lap-splice in ultra high performance concrete

MA Fudong; DENG Mingke; SUN Hongzhe; YE Wang

doi:10.13801/j.cnki.fhclxb.20201229.006

Volume 38 Issue 11

Nov. 2021

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MA Fudong, DENG Mingke, SUN Hongzhe, et al. Bond behavior of deformed steel bars lap-splice in ultra high performance concrete[J]. Acta Materiae Compositae Sinica, 2021, 38(11): 3912-3924. doi: 10.13801/j.cnki.fhclxb.20201229.006

Citation:

MA Fudong, DENG Mingke, SUN Hongzhe, et al. Bond behavior of deformed steel bars lap-splice in ultra high performance concrete[J]. Acta Materiae Compositae Sinica, 2021, 38(11): 3912-3924. doi: 10.13801/j.cnki.fhclxb.20201229.006

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Bond behavior of deformed steel bars lap-splice in ultra high performance concrete

doi: 10.13801/j.cnki.fhclxb.20201229.006

MA Fudong¹,
DENG Mingke^{1
,
,},
SUN Hongzhe^1
,,
YE Wang^{1, 2
,}

1.
School of Civil Engineering, Xi’an University of Architecture & Technology, Xi’an 710055, China
2.
China United Northwest Institute for Engineering Design and Research Corporation, Xi’an 710055, China

Received Date: 2020-11-09
Accepted Date: 2020-12-17

Available Online: 2020-12-29

Publish Date: 2021-11-01

Abstract

Abstract

Ultra high performance concrete (UHPC) is a kind of cement-based material with high strength, high toughness and high durability. To study the lap-spliced bond performance of steel bars in UHPC, 21 groups of lap-spliced specimens were tested considering the parameters of lap length, fibers content and stirrups ratio. 3 groups of pull-out specimens considering a parameter of anchorage length were conducted to be control groups. Two failure modes, those are splitting-pull-out failure and steel-bar-rupture failure appear. The average bond strength decreases with the increase of embedded length and increases with the increase of stirrup ratio. The steel fibers enhance the confinement for UHPC. Increasing the stirrup ratio and fiber content can reduce the lap-spliced length of the steel bars in UHPC. Combining with the previous research, average bond strength and development length as well as splice length formulas were fitted. Simplified algorithms of development length and splice length were proposed according to the Code for Design of Concrete Stuctures, and the results agree well with the test results.
- UHPC,
- average bond strength,
- development length and splice length,
- fitting formula,
- simplified algorithm
Long Abstrsct
Innovation Points

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References(31)

References

[1]	中国国家标准化管理委员会. 活性粉末混凝土: CB/T 31387—2015[S]. 中国标准出版社, 2015 National Standardization Administration of China. Reactive powder concrete: CB/T 31387—2015[S]. China Standard Press, 2015 (in Chinese).
[2]	YUAN J, GRAYBEAL B. Bond of reinforcement in ultra-high-performance concrete[J]. ACI Structural Journal,2015,112(6):851.
[3]	GRAYBEAL B. Design and construction of field-cast UHPC connections[R]. United States: Federal Highway Administration, 2014.
[4]	SHAFIEIFAR M, FARZAD M, AZIZINAMINI A. Alternative ABC connection utilizing UHPC[R]. Washington DC, United States: Transportation Research Board 96th Annual Meeting, 2017.
[5]	AARUP B, JENSEN B C. Bond properties of high-strength fiber reinforced concrete[J]. Special Publication,1998,180:459-472.
[6]	DAGENAIS M A, MASSICOTTE B. Tension lap splices strengthened with ultrahigh-performance fiber-reinforced concrete[J]. Journal of Materials in Civil Engineering,2014,27(7):04014206.
[7]	GRAYBEAL B. Behavior of field-cast ultra-high performance concrete bridge deck connections under cyclic and static structural loading[R]. US: Department of Transportation, 2010.
[8]	SWENTY M, GRAYBEAL B. Influence of differential deflection on staged construction deck-level connections[R]. US: Department of Transportation, 2012.
[9]	HOLSCHEMACHER K, WEIBE D, KLOTZ S. Bond of reinforcement in ultra high strength concrete[C]//SCHMIDT M, FEHLING E, GEISENHANSLÜKE C. Proceedings of the International Symposium on Ultra High Performance Concrete, 2004: 375–387.
[10]	JUNGWIRTH J, MUTTONI A. Structural behavior of tension memebers in UHPC[R]. Kassel, Germany: Proceedings of the International Symposium on Ultra High Performance Concrete, 2004.
[11]	ALKAYSI M, El-TAWIL S. Factors affecting bond development between ultra high performance concrete (UHPC) and steel bar reinforcement[J]. Construction and Building Materials,2017,144:412-422. doi: 10.1016/j.conbuildmat.2017.03.091
[12]	GRAYBEAL B. Bond behavior of reinforcing steel in ultra high performance concrete[R]. United States: Federal Highway Administration, 2014.
[13]	BAE B I, CHOI H K, CHOI C S. Bond stress between conventional reinforcement and steel fibre reinforced reactive powder concrete[J]. Construction and Building Materials,2016,112:825-835. doi: 10.1016/j.conbuildmat.2016.02.118
[14]	SALEEM M A, MIRMIRAN A, XIA J, et al. Development length of high-strength steel rebar in ultrahigh performance concrete[J]. Journal of Materials in Civil Engineering,2012,25(8):991-998.
[15]	安明喆, 张盟. 变形钢筋与活性粉末混凝土的黏结性能试验研究[J]. 中国铁道科学, 2007, 28(2):50-54. AN M Z, ZHANG M. Experimental research of bond capability between deformed bars and reactive powder concrete[J]. China Railway Science,2007,28(2):50-54(in Chinese).
[16]	邓宗才, 袁常兴. 高强钢筋与活性粉末混凝土黏结性能的试验研究[J]. 土木工程学报, 2014, 47(3):69-78. DENG Z C, YUAN C X. Experimental study on bond capability between high strength rebar and reactive powder concrete[J]. China Civil Engineering Journal,2014,47(3):69-78(in Chinese).
[17]	贾方方. 钢筋与活性粉末混凝土黏结性能的试验研究[D]. 北京: 北京交通大学, 2013. JIA F F, Experimental study on bonding properties of steel bars and reactive powder concrete[D]. Beijing: Beijing Jiaotong University, 2013 (in Chinese).
[18]	DAGENAIS M A, MASSICOTTE B. Cyclic behavior of lap splices strengthened with ultrahigh performance fiber-reinforced concrete[J]. Journal of Structural Engineering,2016,143(2):04016163.
[19]	Al-QURAISHI H, Al-FARTTOOSI M, ABDUL K R. Tension lap splice length of reinforcing bars embedded in reactive powder concrete (RPC)[J]. Structures,2019,19:362-368. doi: 10.1016/j.istruc.2018.12.011
[20]	徐有邻, 汪洪, 沈文都. 钢筋搭接传力性能的试验研究[J]. 建筑结构, 1993(4):20-24. XU Youlin, WANG Hong, SHEN Wendu. Experimental study on the force transmission performance of steel bars[J]. Building Structure,1993(4):20-24(in Chinese).
[21]	GRAYBEAL B. Splice Length of prestressing strand in field-cast ultra-high performance concrete connections[R]. No. FHWA-HRT-14-041, 2014.
[22]	LAGIER F, MASSICOTTE B, CHARRON J P. Experimental investigation of bond stress distribution and bond strength in unconfined UHPFRC lap splices under direct tension[J]. Cement and Concrete Composites,2016,74:26-38. doi: 10.1016/j.cemconcomp.2016.08.004
[23]	方志, 陈潇, 张门哲, 等. 活性粉末混凝土中带肋钢筋搭接性能试验研究[J]. 土木工程学报, 2019, 52(3):20-28. FANG Z, CHEN X, ZHANG M Z, et al. Experimental study on bond capability between high strength rebar and reactive powder concrete[J]. Journal of Civil Engineering,2019,52(3):20-28(in Chinese).
[24]	CHAO S H, NAAMAN A E, PARRA-MONTESINOS G J. Bond behavior of reinforcing bars in tensile strain-hardening fiber-reinforced cement composites[J]. ACI Structural Journal,2009,106(6):897.
[25]	LI X, WU Z, ZHENG J, et al. Effect of loading rate on bond behavior of deformed reinforcing bars in concrete under biaxial lateral pressures[J]. Journal of Structural Engineering,2016,142(6):04016027. doi: 10.1061/(ASCE)ST.1943-541X.0001479
[26]	中国国家标准化管理委员会. 混凝土结构设计规范: GB 50010—2010[S]. 北京: 中国建筑工业出版社, 2011. Standardization Administration of China. Concrete structure design specification: GB 50010—2010[S]. Beijing: China Building Industry Press, 2011 (in Chinese)
[27]	COMMITTEE A. Building code requirements for structural concrete and commentary: 318M—19[S]. USA: American Concrete Institute, 2019.
[28]	AZIZINAMINI A, CHISALA M, GHOSH S K. Tension development length of reinforcing bars embedded in high-strength concrete[J]. Engineering Structures,1995,17(7):512-522. doi: 10.1016/0141-0296(95)00096-P
[29]	HAMAD B S, ITANI M S. Bond strength of reinforcement in high performance concrete: Role of silica fume, casting position, and superplasticizer dosage[J]. Materials Journal,1998,95(5):499-511.
[30]	袁伦一. 关于钢筋搭接[J]. 重庆交通大学学报(自然科学版), 1988, 7(1):102-108. YUAN L Y. On lapping of bar[J]. Journal of Chongqing Jiaotong University (Natural Science Edition),1988,7(1):102-108(in Chinese).
[31]	原海燕. 配筋活性粉末混凝土受拉性能试验研究及理论分析[D]. 北京: 北京交通大学, 2009. YUAN H Y. Theoretical analysis and experimental research on tensile performance of reinforced reactive powder concrete[D]. Beijing: Beijing Jiaotong University, 2009 (in Chinese).