FIELD: chemistry.
SUBSTANCE: invention relates to construction, military and power industries, in particular to production of composite construction material with high electrical conductivity. Electrically conductive self-compacting concrete of normal hardening with high electrical conductivity includes portland cement, a polycarboxylate superplasticiser, a current-conducting component: technical carbon P-803, technical carbon K-354 and carbon fibre with length of 3 mm. Ratio of components is as follows, wt.%: portland cement 51.0-52.1, technical carbon P-803 19.6-21.3, technical carbon K-354 3.8-4.9, carbon fibre with length of 3 mm 0.4-0.5, polycarboxylate superplasticiser 1.63-1.67, water – the rest. Proposed concrete mixture can be used directly at the construction site without additional compaction. Further operation does not require additional measures for drying and waterproofing of finished product or structure. Conductivity of current-conducting concrete does not change during hardening and drying during storage and use in natural conditions.
EFFECT: reduction of specific electrical resistance of concrete and simplification of production of concrete mixture.
1 cl, 1 tbl, 4 ex
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