| 生态混凝土在治理重金属污染岩质边坡中的应用 |
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| 引用本文： | 程峰,王星华,莫时雄,郭尚其,胡乔帆.生态混凝土在治理重金属污染岩质边坡中的应用[J].矿产与地质,2016(1):127-131. |
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| 作者姓名： | 程峰 王星华 莫时雄 郭尚其 胡乔帆 |
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| 作者单位： | 1. 中国有色桂林矿产地质研究院有限公司，广西 桂林 541004; 中南大学土建学院，湖南 长沙 410083;2. 中国有色桂林矿产地质研究院有限公司,广西 桂林,541004;3. 中南大学土建学院,湖南 长沙,410083 |
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| 基金项目： | 湖南省科技厅重点支持项目(04SK2008)，高等学校博士学科点专项科研基金(20120162110023)资助。 |
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| 摘 要： | 通过配合比试验研究了生态混凝土的性能指标并进行了工程应用。在不同级配条件下,对5种试样进行抗压强度与植物生长试验。强度试验结果表明:当生态混凝土原料(减水剂:沸石:水:水泥:石灰石)的配合比为1∶16∶19∶60∶235时,抗压强度满足护坡强度要求;植物生长试验结果表明:当容重为1.89g/cm3,孔隙率为29.1%,吸水率为3.2%时,是护坡植物最优的生长条件;在治理重金属污染岩质边坡工程的应用表明,生态混凝土能有效吸附岩体中的重金属元素,具有良好的护坡与绿化功能。
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| 关 键 词： | 重金属污染 岩质边坡 配合比 护坡强度 生长条件 |
Application of ecological concrete in governance rock slope with heavy metal pollution |
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| Abstract: | The performance indicators of ecological concrete was studied by mixing proportion test and applied to engineering.Under the condition of different graduation,compressive strength test and plant growth test were done with 5 kinds of specimen compressive strength test showed that the compressive strength meet re-quirements of slope protection strength when the mix proportion of ecological concrete (water reducing agent:zeolite:water:cement:limestone)was 1 ∶ 1 6 ∶ 1 9 ∶ 60 ∶ 235,plant growth test showed that the growing conditions of slope protection plant was optimal.When the bulk density was 1.89g/cm3 ,porosity was 29.1%,bibulous rate was 3.2%.The application of engineering showed that ecological concrete can adsorb heavy metal elements in rock mass effectively and has good slope protection and greening function. |
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| Keywords: | heavy metal contaminated rock slope proportion intensity of slope protection growing condi-tions |
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