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Fluid-solid coupling model based on endochronic damage for roller compacted concrete damGU Chong-shi(顾冲时)1, WEI Bo-wen(魏博文)1, 2, XU Zhen-kai(徐镇凯)2, LIU Da-wen(刘大文)1(1. College of Water-Conservancy...-layer rolling and pouring construction technology and the complicated mechanical behavior of the roller compacted concrete dam (RCCD) construction interface, a constitutive model of endochronic damage......
of the MOCC pavement. Key words: magnesium oxychloride cement concrete (MOCC); pavement; mechanical strength; microstructure Cite this article as: ZHENG Wei-xin, XIAO Xue-ying, CHANG Cheng-gong, DONG..., such as lightweight, high strength, good abrasive resistance, and dry curing. Based on the above characteristics, MOC has been applied in many fields, such as door frames, fireproof materials, floor tiles......
and Building Materials, 2009, 23(8): 2932–2940. [6] MYERS J J, BLOCH K E. Comparison of prestress losses for pedestrian bridges constructed with high-strength concrete and high-strength self-consolidating... reinforcement, for post-tensioned prestressed concrete members, σpe=σcon- σl1-σl2-σl4, and for pre-tensioned prestressed concrete members, σpe=σcon-σl2; fpk is the ultimate tensile strength......
with respect to the corrosion of prestressing steel are little [6, 15-16]. Considering the high mechanical strength, metallurgical characteristics and pipe protection of prestressing steel, in Ref. [13...J. Cent. South Univ. (2012) 19: 1411-1418 DOI: 10.1007/s11771-012-1157-4 Degradation process assessment of prestressed concrete continuous bridges in life-cycle TIAN Hao(田浩)1, 2, LI Guo-ping(李国平)1......
phases can lead to strain within the cement-based materials, inducing expansion, strength loss, spalling and severe degradation. Physical attack means the reversible phase change of sulfate in concrete... in tunnels especially in the entrance of tunnels, and the evaporation of water on concrete surface is quick. Negative pressure resulted from trains getting across tunnel with high speed accelerates......
析[J]. 工业建筑, 2015, 45(3): 120-125. YANG Jianhui, WANG Hongju, WANG Jiansheng, et al. Shrinkage and creep test and comparative analysis of models on high strength concrete[J]. Industrial Construction...(2): 11-16. PAN Zuanfeng, L Zhitao, MENG Shaoping. Experimental study on the influence of steel on high-strength concrete creep and shrinkage[J]. China Civil Engineering Journal, 2009, 42(2): 11-16......
高强轻集料混凝土短柱轴压性能的试验研究[J]. 建筑结构学报, 2005, 26(5): 60-65.JI Bo-hai, WANG Xiao-liang, MA Jing-hai, et al. Experimental study on the behavior of high-strength lightweight aggregate concrete filled steel tube...强混凝土偏压构件的试验研究与理论分析[J]. 建筑结构学报, 2004, 25(1): 17-24.ZHANG Su-mei, GUO Lan-hui, WANG Yu-yin, et al. Experimental research and theoretical analysis of high strength concrete-filled square hollow section......
macro-cell currents and the oxygen supply when the concrete structure is in high-resistance. Currently, the macrocell current sensor (MCS) and the chloride ion content sensor (CCS) have been... frequency arc must be very high and relatively stable as a function of Fig.5 Nyquist plot of correlative anode bar B6 of multi-cell sensor embedded in concrete A time. Thus, the oxide film that forms......
design strength, the stresses of concrete slab caused by the second stage dead load and live load are further reduced or even eliminated. At last, with a high ratio of reinforcement more than 3... of concrete slab gets worse with the increase of composite regions between steel beams and concrete slab. The deck scheme with the minimum composite region is recommended on condition that both strength......
Formability Investigations of High-Strength Dual-Phase SteelsMiklós Tisza,Zsolt LukácsDepartment of Materials Processing Technology, Institute of Materials Science and Technology, University... developments can be observed in the application of high-strength steels. In this respect, the application of various dual-phase steels is one of the best examples. However, the application......
