نتایج جستجو برای: cement additive
تعداد نتایج: 94714 فیلتر نتایج به سال:
Abstract Carbonation curing of cement‐based materials has recently received increasing attention as a CO 2 utilization technology. This study aimed at investigating the effects carbonation on performance ordinary Portland cement (OPC) pastes with dolomite additive (DPC). The uptake capacity, after being normalized to active components, significantly increased larger mixing ratios. For DPC‐25% s...
The following work refers to the issues of increasing strength portland cement with pozzolanic additive due some multifunctional additive. Currently, it is multifactorial additives for ready-mixed concrete that are in demand, which differ from others their multicomponent composition. In this respect, lithoid pumice, a new type aluminosilicate raw material industry, can make worthy competition.
A chitosan gel additive modulates the initial vaterite dissolution–recrystallisation in injectable aragonite-based composite cement and promotes its vitro bioactivity.
The influence of elevated temperatures on the properties concrete is significant for study fire resistance as well identifying how isolated vessels, chimneys, and containers in nuclear reactors respond under service conditions. present experimental investigation assesses containing Metakaolin (MK) that has been exposed to temperatures. For this purpose, seven mixes were prepared, including one ...
cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...
Additive manufacturing technologies have been utilised in healthcare to create patient-specific implants. This study demonstrates the potential to add new implant functionality by further exploiting the design flexibility of these technologies. Selective laser melting was used to manufacture titanium-based (Ti-6Al-4V) implants containing a reservoir. Pore channels, connecting the implant surfac...
Additively manufactured cement-based structures for infrastructure applications suffer from in-construction shape deformations, which are a strong function of process conditions and the rheology printing material (cement paste, mortar, or concrete). Thus, characterization such objects is critical to establish ensure fidelity original CAD model. In this study, number quantitative metrics were us...
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