全部文献期刊会议图书|学者科研项目
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作者:Maitham Alwash , Denys Breysse , Zoubir Mehdi Sbartaï
来源:[J].Materials and Structures(IF 1.184), 2017, Vol.50 (1)
摘要:An international benchmark comparing a large variety of concrete strength assessment strategies was proposed by NDT experts of the RILEM committee TC-249. It was based on synthetic data and devoted to the estimation of average strength and concrete strength variability of a se...
作者:P. Wang , N. Gao , K. Ji ...
来源:[J].Computers and Geotechnics(IF 1.224), 2020, Vol.119
摘要:Abstract(#br)This study aims to understand the micro-mechanisms that drive fracture propagation in concrete and to assess the roles of the strength of aggregates and of the aggregate/mortar interfacial transition zone (ITZ) on concrete strength. We use the Discrete Element Method...
作者:Nuno Pereira , Xavier Romão
来源:[J].Construction and Building Materials(IF 2.293), 2018, Vol.173, pp.786-800
摘要:Abstract(#br)One of the main factors affecting the survey of concrete strength in existing structures is the inherent material variability, which can only be fully characterized when destructive tests are performed, especially in older structures. Therefore, having a preliminary ...
作者:Nuno Pereira , Xavier Romão
来源:[J].Construction and Building Materials(IF 2.293), 2016, Vol.110, pp.106-116
摘要:Abstract(#br)A framework is defined to evaluate the concrete compressive strength in existing buildings and control the uncertainty associated to the survey planning and to the concrete strength randomness. The framework proposes the discretization and disaggregation of the concrete strength...
作者:Jong-Han Lee , Baiksoon Cho , Eunsoo Choi
来源:[J].Construction and Building Materials(IF 2.293), 2017, Vol.138, pp.222-231
摘要:Abstract(#br)An experimental study was performed to examine the effects of concrete strength and fiber content ratio on the flexural capacity of steel fiber-reinforced concrete. Three fiber volume fractions, 0.25, 0.375, and 0.5%, and three concrete compressive strengths, 25, 35,...
作者:Taegyu Lee , Jaehyun Lee , Yongro Kim
来源:[J].Construction and Building Materials(IF 2.293), 2020, Vol.237
摘要:Abstract(#br)This study was performed to determine the optimal combination of admixtures and accelerators to develop concrete strength (5 MPa) for horizontal form removal upon curing at 10 °C. We used single and mixed chemical admixtures and accelerators considering the uni...
作者:Mohamed M. ElFaham , M. Okil , Nabil M. Nagy
来源:[J].Optics and Laser Technology(IF 1.365), 2018, Vol.106, pp.69-75
摘要:Abstract(#br)Concrete is one of the most important materials in construction engineering. Evaluation of in-Situ concrete strength has become of great concern in construction process as well as for quality control. There are many destructive tests which can be conduct for the strength...
作者:Jong-Han Lee
来源:[J].Composite Structures(IF 2.231), 2017, Vol.168, pp.216-225
摘要:Abstract(#br)Recently, the design and construction of fiber reinforced concrete structures, such as floor slabs and precast tunnel linings, require using the actual values of the residual flexural strength instead of the average concept of the equivalent residual flexural strength...
作者:D. Breysse , J. P. Balayssac , S. Biondi ...
来源:[J].Materials and Structures(IF 1.184), 2017, Vol.50 (2), pp.1-17
摘要:Abstract(#br)Strength assessment of concrete in existing structures is a key issue. Many non destructive techniques (NDT) are available which can provide information about the material condition and several approaches can be used to derive strength estimates from NDT test resul...
作者:Denys Breysse , Juan Luis Martínez-Fernández
来源:[J].Materials and Structures(IF 1.184), 2014, Vol.47 (9), pp.1589-1604
摘要:Abstract(#br)On site concrete strength assessment via non-destructive techniques (NDT) is one of the main challenges that NDT is faced with. Along the past 50 years a huge number of both laboratory and onsite experimental programs have been carried out and a variety of models hav...

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