Cement-aggregate interface
Leaching effect on mechanical properties of cement-aggregate interface
... the aggregate content until it reaches about 50% [18] ...on cement paste, mortar and concrete to highlight the aggregate effect on the leaching ki- ...of cement paste and concrete, the results ...
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Experimental characterization of mechanical properties of the cement-aggregate interface in concrete
... the cement paste is characterized by a higher porosity than that of the bulk ...the cement-aggregates ...the cement paste – aggregate sample are experimentally ...classical aggregate ...
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Experimental characterization of mechanical properties of the cement paste- aggregate interface in concrete
... These results are a first approach to characterize the me- chanical properties of the interface with the original exper- imental tools. The experimental results showed that the cement-aggregate ...
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Identification of a cohesive zone model for cement paste-aggregate interface in a shear test
... the cement paste, which gives a good adhesion (Kamali-Bernard, Keinde, & Bernard, 2014 ...a cement-aggregate interface of about 25 lm visible using an electron microscopy scanning Figure ...
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Influence of leaching on the local mechanical properties of an aggregate-cement paste composite
... the cement paste and aggregate, and a signi fi- cant decrease in the mechanical properties of this ...at cement-aggregate interface scale is ...paste-aggregates interface in the ...
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Public debt and aggregate risk
... is higher than on average. On the contrary, in expansion this consumption gain is lower. This is due to a price fluctuation effect : in recessions, the cost of postponing consumption to build up a buffer stock of savings ...
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Counting and enumerating aggregate classifiers
... Enumerating Aggregate Classifiers Jan Adem ∗ , Yves Crama † , Willy Gochet ‡ , Frits ...distinct aggregate classifiers that arise in this ...from aggregate classifiers coincides with the class of ...
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Aggregate capacity planning : a survey
... Whenever quadratic cost models are used to solve the aggregate capacity planning problem, the decision rules that are generated posses a linear structure (because the di[r] ...
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Aggregate Volatility and Threshold CAPM
... in aggregate volatility helps avoid the problem of mimicking portfolios, and helps better represent a dynamically managed portfolio that corresponds to investors’ actual investment opportunity ...in ...
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Alkali-aggregate reactions in Ontario
... coarse aggregate was composed of gravel containing argillite, siltstone, grey- wacke, and sandstone of Precambrian ...the aggregate when tested in the mortar bar expansion test (ASTM C 227) only caused slow ...
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Free and combined chloride in hydrating cement and cement components
... In the present investigation two techniques, one based on extraction by water and the other on high pressure extrusion, were used to estimate the relative amounts of free a[r] ...
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Cement-lime mortars
... The strength and extent of the bond between masonry units and mortar depends on several factors, two of the most important being the rate of water absorption or suction of t[r] ...
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Cement foam stability : link with cement paste rheological properties
... the cement foams reported in the ...fresh cement paste and on the properties of aqueous ...the cement grains, cement paste can be seen as solid particles interacting with each other, and sus- ...
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Aggregate production functions: some CES experiments
... capital, overestimates the share of labor, and therefore gives poor wage predictions,. In cases C, E and F all firms have elasticities of substitution above unity,[r] ...
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Sectoral Price Rigidity and Aggregate Dynamics
... production function parameters is statistically signi…cant in that tests of the null hypothesis that j ; j and j are equal in all sectors are strongly rejected by the data. 3.4 Simulated Method of Moments The remaining ...
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Sectoral Price Rigidity and Aggregate Dynamics
... of aggregate and sectoral ...for aggregate output and in‡ation dynamics and for cost pass-through, and (iii) the role of sectoral shocks in explaining sectoral prices and ...
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Aggregate demand management in search equilibrium
... Recognizing the costs of starting a production process there is an optimal rate of convergence to the optimally full errployment steady state, reflecting the higher real costs of moving [r] ...
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Agroforestry: Can trees change aggregate stability ?
... Soil aggregate stability related to soil density, root length and mycorrhiza using site-specific Alnus incana and Melanogaster variegatus ...(1996) Aggregate stability and assessment of soil crustability ...
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Sharing aggregate risks under moral hazard
... This paper analyzes the efficient design of insurance schemes in the presence of aggregate shocks and moral hazard. The population is divided into groups, the labour force in different sectors for instance. In ...
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Apparatus for preparing portland cement paste of high water-cement ratio
... Increasing the W/C ratio above the value of about 0.5 results in sedimentation and "bleeding" and a gradient in density as was shown by Powers et al.1 Samples of cem[r] ...
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