Exact(6)
Concrete equivalent mortars were developed to optimize the formulation of target self-compacting concrete.
By means of the concrete equivalent mortar (CEM) principle, concrete properties can be experimentally studied at mortar level.
The workability of mortars containing RS prepared in different saturation states is then measured with the Concrete Equivalent Mortar (CEM) cone.
In this study, a total of 12 pull-out tests were performed using seven-wire strand of 12.7 mm diameter, at different concrete equivalent ages of 7.8, 23.5, 53.8 and 85.2 h.
In terms of the microstructure of unsaturated concrete, equivalent medium and inclusion-based theory of composite materials, a model is proposed to explain the changes happened in the wet concrete and to predict the elastic parameters (including elastic modulus and Poisson's ratio) of unsaturated concrete.
Among the 8 tested specimen configurations, 5 geometries (prismatic, cylindrical and 3 hollow cylindrical geometries) and 3 compositions (concrete, concrete equivalent mortar and standard mortar), the cylindrical mortar specimen was selected as the most adapted configuration, in term of ESA degradation expression, for the adopted performance testing procedure.
Similar(54)
This paper aims at correlating the stability characteristics to material performance of self-consolidating concrete-equivalent-mortars (SCCEMs) made with various binary and ternary cement blends of fly ash (FA) and metakaolin (MK).
The RCA concrete (having equivalent compressive strengths as the NA concrete) had modulus of elasticity values up to 19% lower than NA concrete.
Included is a novel method for designing recycled aggregate concretes, named Equivalent Mortar Volume.
The aim of the paper is to define the thermal properties (thermal conductivity, density and specific heat capacity) of steel, plastic and glass fiber reinforced concretes that are widely used for industrial floors, and to determine equivalent concrete thermal conductivity values for numerical thermal modelling of steel fibre reinforced concretes.
In this study, the authors studied the characteristics of equivalent concrete stress block by investigating other factors than concrete strength only.
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