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FLY-ASH-STABILIZED GYPSIFEROUS SOIL AS AN EMBANKMENT MATERIAL

机译:粉煤灰稳定的粉煤灰土作为路堤材料

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摘要

A highway expansion project was proposed at the boundary of Texas and New Mexico State, where gypsum deposits are overlaid almost the entire construction area. In order to use the local gypsiferous soil as a suitable embankment material, soil stabilization using fly ash as an admixture was proposed. Even though the application of fly ash as a soil stabilizer started around 1950s, there are not many case histories related to the stabilization of gypsiferous soils using fly ash. In this study, a series of laboratory testing on gypsiferous soils before and after the addition of fly ash is presented. Analysis is done on the physical and mechanical properties of the stabilized soils as well as the chemical processes involved in the stabilization.
机译:有人提议在得克萨斯州和新墨西哥州的交界处进行高速公路扩展项目,该处的石膏矿床几乎覆盖了整个建筑区域。为了使用当地的石膏形土壤作为合适的路堤材料,提出了使用粉煤灰作为掺合料的土壤稳定化方法。尽管粉煤灰作为土壤稳定剂的应用始于1950年代左右,但使用粉煤灰稳定吉普赛土壤的案例历史并不多。在这项研究中,提出了在粉煤灰添加之前和之后在石膏状土壤上进行的一系列实验室测试。对稳定土壤的物理和机械性能以及稳定过程涉及的化学过程进行了分析。

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  • 来源
  • 会议地点 Nanjing(CN)
  • 作者

    LI Bing;

  • 作者单位

    Jie Zhang@Civil Engineering Department, New Mexico State University, P.O. Box 30001, MSC-3CE Las Cruces, NM 88003-8001, U.S.A.--Ruben Solis@Civil Engineering Department, New Mexico State University, P.O. Box 30001, MSC-3CE Las Cruces, NM 88003-8001, U.S.A.--;

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  • 中图分类 灾害地质学;
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