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USE OF AMORPHOUS CALCIUM CARBONATE IN A FIRE-RESISTANT INORGANIC MORTAR SYSTEM BASED ON ALUMINOUS CEMENT TO INCREASE LOAD VALUES AT ELEVATED TEMPERATURES
USE OF AMORPHOUS CALCIUM CARBONATE IN A FIRE-RESISTANT INORGANIC MORTAR SYSTEM BASED ON ALUMINOUS CEMENT TO INCREASE LOAD VALUES AT ELEVATED TEMPERATURES
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机译:铝酸钙在耐火无机砂浆体系中的应用(基于铝硅酸盐水泥)以提高高温下的载荷值
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摘要
The present invention pertains to a use of amorphous calcium carbonate in a fire- resistant inorganic mortar system for a fire-resistant chemical fastening of anchors and post-installed reinforcing bars in mineral substrates, comprising a curable aluminous cement component A and an initiator component B for initiating the curing process, component A further comprising at least one blocking agent selected from the group consisting of phosphoric acid, metaphosphoric acid, phosphorous acid and phosphonic acids and at least one plasticizer and water, and component B comprising an initiator, at least one retarder, at least one mineral filler and water. Moreover, the present invention pertains to a use of amorphous calcium carbonate in a fire-resistant inorganic mortar to increase load values as well as to a method for a fire-resistant chemical fastening of anchors and post-installed reinforcing bars, preferably of metal anchors and post- installed reinforcing bars, in mineral substrates, such as structures made of brickwork, concrete, pervious concrete or natural stone.
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