Abstract
In order to improve the performance of cement mortar, using compression test, flexural strength test, splitting test, adhesion test and dynamic modulus test, the improvement effect of carboxylic styrene butadiene latex on the mechanical properties of cement mortar was explored, Research results showed that with the increases the polymer-cement ratio, the flexural strength, compressive strength, splitting strength and adhesive strength of mechanism mortar of modified cement mortar all increase, and the dynamic elastic modulus decreases. Carboxylic styrene butadiene latex enhances the flexibility and anti-deforming capability of cement mortar, thereby also improves the pavement performance. The results clarify the properties variation law of cement mortar before and after modification, this provides scientific guidance for polymer latex modified cement mortar mix design.
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