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    • 9. 发明授权
    • Fill, covering material and embedding material incorporating a hydraulic
and a latent-hydraulic binder
    • 填充,覆盖材料和包含液压和潜在液压粘合剂的嵌入材料
    • US4731120A
    • 1988-03-15
    • US11420
    • 1987-02-03
    • Kyosti Tuutti
    • Kyosti Tuutti
    • B09B1/00C04B28/02C04B40/06E01C11/00C04B18/30C04B18/06
    • C04B40/0675B09B1/00C04B28/02C04B40/02E01C11/005C04B2111/0062C04B2111/00663C04B2111/00706C04B2111/0075C04B2111/72Y02W30/91Y02W30/92Y02W30/94Y10S106/01Y10S106/90Y10S588/901
    • The fill according to the invention comprises a mixture of 1-30% by weight cement with 99-70% by weight of various waste material, fly-ash, de-sulphurization product or granulated blast-furnace slag. The mixture can be used dry or mixed with water, and may also be mixed with air to form small bubbles, thereby rendering the mixture frost resistant. The fill can be used to fill different cavities and pits, such as pipe-laying and cable-laying trenches, floor cavities and holes in streets and roads, and for covering mounds of waste, rubbish dumps and for encapsulating harmful waste. When filling pipe-laying and cable-laying trenches, the intermediate layer of sand, and will thereby prevent water from entering into or leaking from the pipes, while at the same time holding the pipes in position and affording a stabilizing effect against ground movement. The fill hardens to a maximum strength of 10-15 MPa after one or more years, but retains sufficient softness to enable it to be dug-up without difficulty, this hardness becoming a maximum of 10-15 MPa after one or more years.
    • 根据本发明的填料包括1-30重量%的水泥和99-70重量%的各种废料,飞灰,脱硫产物或粒状高炉矿渣的混合物。 该混合物可以干燥或与水混合使用,也可与空气混合以形成小气泡,从而使混合物具有防冻性。 填充物可用于填充不同的空腔和凹坑,例如铺管和铺设电缆沟,街道和道路上的地板腔和孔,以及用于覆盖垃圾堆,垃圾堆和用于封装有害废物。 当填充铺管和敷设电缆的沟槽,中间层的沙子,从而防止水从管道进入或泄漏,同时将管道保持在适当位置,并提供对地面运动的稳定作用。 一年或多年后,填料硬化至10-15MPa的最大强度,但保持足够的柔软度,使其难以拔出,这种硬度在一年或多年后变为最大10-15MPa。