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A fill, covering material and embedding material incorporating a hydraulic and a latent-hydraulic binder
A fill, covering material and embedding material incorporating a hydraulic and a latent-hydraulic binder
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机译:填充,覆盖材料和嵌入材料,结合了液压和潜液压粘合剂
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摘要
The present invention relates to the use of a fill and ground-binding agent for covering waste mounds, rubbish tips and other less harmful material consisting of 1-30 % by weight cement and 99-70 % by weight waste materials selected from one or more of the following materials: fly-ash, blast furnace slag, de-sulphurization product, various types of other waste, such as pyrite, metal-hydroxide slag, poor ash, etc., whereby the mound first is covered with a first layer of dry materials which can be sulphate-activated by or reacted with a cement solution extract selected from one and more of fly-ash, de-sulphurization product, granulated blast-furnace slag, and which material must not be allowed to react before providing an external second layer containing a basic reserve which can be leached out such as all types of concrete, fill with more than 10 % by weight of cement and a mixture of fly-ash, and/or granulated blast-furnace slag which has been activated with de-sulphurization product and cement.
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