▎ 摘　　要

NOVELTY - A graphene-based emulsion modified cement-based composite material comprises water, cement, graphene and emulsion at weight ratio of (3.5-4.5): 10: (0-1): (0-2). USE - Graphene-based emulsion modified cement-based composite material used for building and health monitoring strain sensor. ADVANTAGE - The material has good conductivity, mechanical property and pressure coefficient. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of graphene-based emulsion modified cement-based composite material comprising adding graphene into water, stirring, adding emulsion, uniformly stirring, adding cement, segmenting and stirring.