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The optimal formulations of these two materials are determined, and their performances are compared in terms of fluidity, strength and drying shrinkage.
The result shows that fluidity, strength and drying shrinkage of cement paste and cement mortar vary with their composition, and both of the two materials can meet the technical requirements in the appropriate formulations.
Results show that TH-928 polycarboxylate superplasticizer, UEA expansion admixture and ZY-99 saponin air-entraining agents have the different influences on the fluidity, strength and drying shrinkage of HPCP, and HPCP show good working capability with the compound addition of the three additives.
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A high-performance grout for use in these structural repairs should meet several performance criteria, including fluidity, strength, compatibility and durability.
Mortars also contain these prepared cements, tap water and/or tap water + super plasticizer (SP), and mortar sand in order to measure fluidity, flexural strength, and compressive strength according to present standard methods.
To assess the applicability of the developed mortar in the field, durability, fluidity and strength development of the mortar were characterized.
Meanwhile, fluidity, toughness, bonding strength and permeability of the MPC EA composite were enhanced.
Test cements were prepared using these clinkers and mixed with OPC for the evaluation of fluidity and strength.
It may suggest that overwhelming amount of fibre is limited due to clash between the fluidity and strength development.
Despite the high retention rates of both zinc oxide and dodecyl dimethyl benzyl ammonium chloride in concrete, their contents should be no more than 0.05%, otherwise, they will have a significant adverse effect on the fluidity and strength of concrete.
A fast converting technology was developed in this study to transform the existing ballasted tracks into concrete tracks using the developed quick-hardening mortar, which has high fluidity and strength development at an early stage, such that it could minimize the interruption of train operation.
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CEO of Professional Science Editing for Scientists @ prosciediting.com