[PDF] Top 20 Size Effects in the Analysis of Concrete or Rock Structures

... in concrete and mortar samples and numerically simulated by Wittmann et al[10] and Roelfstra and Wittmann [11], who contributed to the understanding of the fracture process in concrete, but did not address ... See full document

... modelling concrete and steel by assuming that their stiffness and specific fracture energies are random fields in ...sample size on the tensile strength of ...the size effect due to fracture (Bazant, ... See full document

... the effects of mesh density and element aspect ratio were examined to determine whether or not they were a large source of error, and it was concluded that while the mesh density did have an effect on the target ... See full document

... design, analysis and testing of large size nuclear concrete structures pose problems due to varying sizes of the test specimens, models and prototype structures, which exhibit the ... See full document

... resist effects of actions, including bearing capacity, rigidity and crack resistance ...reliability analysis of its ultimate ...statistic analysis of primary causes, and then statistical parameters ... See full document

... the rock mass condition espe- cially joint system and ...the rock fragmentation ...the rock mass conditions before and after blasting. Besides, the rock samples were obtained at every face ... See full document

... factorial analysis showed non-significant treatment and bar condition effects on the corrosion rate (p-values of ...descriptive analysis for which beams 3, 4 and 8 exhibited the greatest standard ... See full document

... story effects in ...steel structures when encountering the progressive collapse as compared to the removal of an internal column ...reinforced concrete column in a 10-story concrete block ... See full document

... produce concrete especially for High Performance Concrete (HPC), in this case, ground granulated blast furnace slag ...The effects of combinations of mineral admixtures in concrete on the ... See full document

... the effects of the compressive force caused by thermal restraint or by the restraint of concrete slab in composite structures, as well as the effects of tensile force in the catenary stage, ... See full document

... (SSI) analysis is required to develop seismic responses of the structures, systems and ...passage effects can also be considered depending on the seismic setting of the ...and rock sites ... See full document

... the effects of elevated temperatures on the shear strength of ...3 concrete mixtures containing moderate-heat Portland cement, ordinary Portland cement and ordinary Portland cement with shrinkage reducing ... See full document

... The comparison between the acceleration response spectra in Fig. 9(e) and 9(f), (drawn from a waveform h = 5%, 0–20 s) revealed a relatively large variation between the analytical and experimental results, with the ... See full document

... compacted concrete gravity dam to have a live storage of 202 ...response analysis of the tallest non-overflow and over flow sections of the dam have been carried out using the site-specific design and ... See full document

... and aspect ratio, concrete density, and concrete compressive strength, considering the size effect 83.. using parametric numerical analysis.[r] ... See full document

... For almost a decade, embedded galvanic anodes in a discrete or “point” form have been used to provide localized corrosion prevention around concrete repairs. Embedded discrete anodes are installed around the ... See full document

... RocFall analysis showed that rocks- landing on the protective wall will reach an end point as far as the sea ...in size from debris to 1 kg. The rest of the falling rocks range in size between 1 kg ... See full document

... R/C structures is focused primarily on flexural ...R/C structures, where shear and bond types of failure cannot be precluded, due to the absence of ductile detailing and capacity ... See full document

... an aerofoil will reduce drag at a specific AOA. This project work illustrates the change in aerodynamic characteristics of an airfoil by changing the size, shape and location of dimples in an aerofoil. By ... See full document

... Future developments of this work must extend the Rock-Eval 6 thermal analysis regression model to a wider range of pedoclimates and to other biomes. As sites with LTBF treatments are not widespread, ... See full document