Abstract
The effects on the waterproofness, the flexural and compression strength of cement mortar were investigated under single mixing and complexes mixing conditions of 4 kinds of modifiers, Polycarboxylic water-reducing agent, composite waterproofing agent, Sulphoaluminate expansion agent and fly ash. The results show that it is better in improving the water-resisting property and impermeability of mortar when complexes mixing any two of the 4 kinds of modifiers than single mixing. The mortar has the best water-resisting property and impermeability with the contents of 0.75% Polycarboxylic water-reducing agent and 6% composite waterproofing agent.
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