全部文献期刊会议图书|学者科研项目
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作者:... Mengjia Liu , Renbo Zhang , Xiuli Du
来源:[J].Construction and Building Materials(IF 2.293), 2020, Vol.245
摘要:Abstract(#br)Corrosion of steel in concrete structures is one of the main causes of structural durability failure. In order to study the rust cracking behavior of the concrete protective layer, a three-dimensional meso-scale model of concrete was established. In the approach, the...
作者:Renbo Zhang , Yudong Tian ...
来源:[J].Construction and Building Materials(IF 2.293), 2018, Vol.178, pp.102-111
摘要:Abstract(#br)Nowadays, high-rise, long-span and complicated structures are springing up. Accordingly, there is an increasing need for concretes with high strength even ultra-high strength, low cost and low construction difficulties. In the present study, steel fiber reinforc...
作者:... Huimin Hao , Renbo Zhang , Xiuli Du
来源:[J].Construction and Building Materials(IF 2.293), 2018, Vol.188, pp.685-694
摘要:Abstract(#br)In the present study, considering the internal heterogeneity of concrete, a meso-scopic simulation method was established to explore the dynamic compressive behavior of heterogeneous concretes at and after elevated temperature. In the meso-scale numerical model,...
作者:... Yuchang Lan , Renbo Zhang , Xiuli Du
来源:[J].Engineering Failure Analysis(IF 0.855), 2019, Vol.105, pp.196-214
摘要:Abstract(#br)Impact (or blast) and fire always take place concomitantly and threaten the service life of engineering structures. Combined effect of high temperature and strain rate on the mechanical behaviors of reinforced concrete (RC) structures has attracted much attention of ...
作者:Renbo Zhang , Guoqin Dou
来源:[J].Fire Safety Journal(IF 1.222), 2018, Vol.98, pp.24-37
摘要:Abstract(#br)Engineering structures in the city environment surrounded with combustible materials are prone to be in the danger of combined effects of blast-induced impact loading and fire. Four steel-fiber reinforced concrete (SFRC) beams were tested after pre-impact loading (im...
作者:Renbo Zhang , Liang Li ...
来源:[J].Engineering Structures(IF 1.713), 2019, Vol.197
摘要:Abstract(#br)To investigate the impact response of SFRC beams at elevated temperatures, an experimental test was conducted. The impact performances of SFRC beams with fibers volume fraction of fibers of 0, 1% and 2% were tested at 25 °C, 400 °C and 600 °C. Moreover, a simpli...
作者:Renbo Zhang , Liu Jin ...
来源:[J].Construction and Building Materials(IF 2.293), 2019, Vol.210, pp.673-684
摘要:Abstract(#br)Except for service loadings, concrete or steel fiber reinforced concrete (SFRC) may be subjected to some extreme loadings, such as fire, impact, blast or their combinations during occasional events. In order to capture the mechanical behavior of SFRC subjected t...
作者:Liu Jin , Renbo Zhang , Xiuli Du
来源:[J].Construction and Building Materials(IF 2.293), 2017
摘要:Abstract(#br)Concrete structures are subjected to various loadings during their service life and their internal structures will be changed, resulting variations in mechanical and thermo-physical properties. To investigate the effect of mechanical stress on thermal conduction, a c...
作者:... Jiandong Xu , Renbo Zhang , Xiuli Du
来源:[J].Engineering Failure Analysis(IF 0.855), 2017, Vol.80, pp.141-163
摘要:Abstract(#br)The failure of reinforced concrete (RC) members is closely associated with the mesoscopic structure of concrete. To describe the complicated failure process of RC beams subjected to impact loads accurately, a 3D mesoscopic simulation method considering the concrete h...
作者:Xiuli Du , Liu Jin , Renbo Zhang
来源:[J].Ocean Engineering(IF 1.161), 2015, Vol.95, pp.1-10
摘要:Abstract(#br)The chloride diffusivity in cement-based composite materials is mainly affected by the multi-scale pores, including gel pores, capillary pores, entrained and entrapped voids, etc. The pore-structure parameters, e.g. pore size, pore connectivity, pore surface rou...

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