COMPOSITION FOR CIVIL ENGINEERING WORK Russian patent published in 1997 - IPC

FIELD: civil engineering; may be used in construction of buildings and structures - load bearing and guarding, both built up and cast-in-situ and also in production of mortar both for masonry and for finishing work and, in addition, covering of cast-in-situ floors. SUBSTANCE: composition contains the following components, mas%: cement, 12-33; fine filler - blast furnace granulated slag and/or expanded clay aggregate or mixture of one of above-mentioned fine fillers with quartz sand in ratio of (0.1-1):(1:0.1), 30-62; slime-waste of electroplating, 7-10; water, the balance. Fine filler has the following fraction composition: 2.5-1.25 mm, 10-15%; 1.25-0.63 mm, 20-25%; 0.63-0.315 mm, 20-25%; 0.315-0.15 mm, the balance. Composition features density of 1450-1650 kg/cu.m compression strength in 28 days of 38-52 MPa. EFFECT: higher efficiency. 2 tbl