Capillary transport in mortars and concrete
WebResults in this section concerning capillary transport in a tube were taken from A.W. Adamson, Physical Chemistry of of Surfaces, second edition, Interscience Publishers, … WebJun 11, 2024 · Results are presented of a study concerning capillary transport of water in concretes and mortars as a function of water/cement ratio, sand size distribution, and curing. Our studies indicate that the capillary sorption (1) of water in concrete exhibits a complex time dependence. At early times, of the order of one hour, the total water uptake …
Capillary transport in mortars and concrete
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WebOct 9, 2013 · Water is often added to concrete placing for easy workability and finishability in construction site. The additional mixing water can help easy mixing and workability but causes increased porosity, which yields degradation of durability and structural performances. In this paper, cement mortar samples with 0.45 of W/C (water to cement) … WebDec 21, 2010 · The moisture transport in cracked cement-based materials was investigated with priority by numerical simulation. The cracked cement-basis material was treated as two components system, including the cracks and cementitious mortar. The mass balance between the water in the cracks and in the cement mortar was …
WebJun 29, 2014 · The influence of the main constituents of concrete on capillary absorption are analysed, such as the type, volume and initial water content of LWA, the cement content and the addition of fly ash or silica fume. ... Capillary transport in mortars and concrete. Cem Concr Res 27(5):747–760. Article Google Scholar Erickson D, Li D, Park CB (2002 ... WebThe capillary water absorption was modeled using the Richard's equation and proper initial and boundary conditions. It was considered that all surfaces in contact with free water …
WebJul 20, 2024 · This chapter covers the transport properties of mortar and concrete, starting with the basic hard core soft shell microstructure model, and then building up to … WebThis paper describes a test rig to measure the uni-directional water absorption of mortar and concrete. The test data acquisition is controlled by purpose written software …
WebJun 26, 2024 · Hanžič et al. obtained the capillary coefficient of concrete using NR and calculated the ratio between S and k, however, it is only an experiment result and a …
WebJun 1, 2024 · Transport processes are foremost controlled by the material's porosity. Cementitious materials, such as concrete and mortars, exhibit distinct changes in pore … rabbit\u0027s-foot pgWebDec 6, 2024 · This study intends to access the influence of the capillary action on electrical property of the concrete containing the coal gangue ceramsite. For this purpose, four kinds of concrete samples were prepared; the coal gangue ceramsite was adopted at four volume ratios of 0%, 30%, 60%, and 100%, respectively. The … rabbit\\u0027s-foot pmWebApr 11, 2024 · The transport of water and ionic chelators in the concrete was investigated by capillary absorption tests and ICP-OES (Inductively Coupled Plasma Optical Emission Spectrometer). shock characterWebMay 1, 1997 · Transport processes are foremost controlled by the material's porosity. Cementitious materials, such as concrete and mortars, exhibit distinct changes in … rabbit\u0027s-foot pmWebApr 14, 2024 · The mortars’ capillary water absorption capacity was analyzed as per the Fagerlund method, as described in ... Ferraris, C.F. Capillary transport in mortars and concrete. Cem. Concr. Res. 1997, 27, 747–760. [Google Scholar] Villagrán, I.A.; Alderete, N.M.; De Belie, N. Improved model for capillary absorption in cementitious materials ... shock chamber 1985WebJun 26, 2024 · According to equation (2.5), the capillary coefficient of mortar equals the slope of the fitted line, that is, ... transport in mortars and concrete using. sorption-diffusion approach. rabbit\u0027s foot prayer planthttp://ciks.cbt.nist.gov/~garbocz/captrans/node9.html shockcharge