▎ 摘　　要

NOVELTY - A graphene oxide-reinforced carbon nanotube-coated sand concrete comprises 0.00001-0.001 part mass graphene oxide powder, 0-0.005 part mass graphene oxide dispersant, 0.00005-0.05 part mass carbon nanotube powder, 0.0001-0.05 part mass carbon nanotube dispersant, 0-0.15 part mass mineral admixture, 1.5-3 parts mass mountain sand, 0-0.02 part mass superplasticizer, 0-0.15 parts mass organic solvent, 0.05-0.5 part mass polymer emulsion, 0.25-0.5 part mass water and 1 part mass cement. USE - Graphene oxide-reinforced carbon nanotube-coated sand concrete is used for fabricating wireless sensor (all claimed) for monitoring engineering structure. ADVANTAGE - The wireless sensor fabricated using the graphene oxide-reinforced carbon nanotube-coated sand concrete has excellent durability and linearity, and high mechanical toughness and sensitivity. DETAILED DESCRIPTION - A graphene oxide-reinforced carbon nanotube-coated sand concrete comprises 0.00001-0.001 part mass graphene oxide powder, 0-0.005 part mass graphene oxide dispersant or directly containing 0.00001-0.001 part mass graphene oxide dispersion, 0.00005-0.05 part mass carbon nanotube powder, 0.0001-0.05 part mass carbon nanotube dispersant or directly containing 0.00005-0.05 part mass carbon nanotube dispersion, 0-0.15 part mass mineral admixture, 1.5-3 parts mass mountain sand, 0-0.02 part mass superplasticizer, 0-0.15 parts mass organic solvent, 0.05-0.5 part mass polymer emulsion, 0.25-0.5 part mass water and 1 part mass cement. INDEPENDENT CLAIMS are included for the following: (1) preparation of graphene oxide-reinforced carbon nanotube-coated sand concrete; and (2) fabrication of wireless sensor.