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Flowable Fill Using Waste Foundry Sand: A Substitute for Compacted or Stabilized Soil

机译:使用废铸造砂的可流动填料:压实或稳定土壤的替代品

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Flowable fill is generally a mixture of sand, fly ash, a small amount of cement, and water. Sand is the major component of most flowable fill mixes; consequently, using a waste material as a subtitute for natural sand results in the beneficial use of the waste material. Waste foundry sand (WFS) was used as a fine aggregate in this study. Three green sands from ferrous foundries and two class F fly ashes were used. The flow behavior, hardening characteristics, ultimate strength behavior, and permeability characteristics of flowable fill were investigated.
机译:可流动的填充物通常是沙子,粉煤灰,少量水泥和水的混合物。沙子是大多数可流动填充料的主要成分。因此,将废料用作天然砂的替代物导致了废料的有益使用。在这项研究中,使用废铸砂(WFS)作为细骨料。使用了三个来自黑色金属铸造厂的绿砂和两个F级飞灰。研究了可流动填料的流动特性,硬化特性,极限强度特性和渗透性。

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