[1]陈述悦,顾卫,戴泉玉.无机粘结剂对工程弃渣的物理性状和稳定性的影响[J].水土保持研究,2013,20(05):86-91.
　CHEN Shu-yue,GU Wei,DAI Quan-yu.Influence of Inorganic Adhesive on the Physical Properties and Stability of Engineering Spoil[J].Research of Soil and Water Conservation,2013,20(05):86-91.
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无机粘结剂对工程弃渣的物理性状和稳定性的影响

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 20 期数: 2013年05期 页码: 86-91 栏目: 出版日期: 2013-10-28
Title:
Influence of Inorganic Adhesive on the Physical Properties and Stability of Engineering Spoil
作者:
陈述悦1, 顾卫1, 戴泉玉2
1. 北京师范大学 地表过程与资源生态国家重点实验室, 北京 100875;
2. 中国农村技术开发中心, 北京 100045
Author(s):
CHEN Shu-yue1, GU Wei1, DAI Quan-yu2
1. State Key Laboratory of Earth Processes and Resource Ecology, Beijing Normal University, Beijing 100875, China;
2. China Rural Technology Development Center, Beijing 100045, China
关键词:
自然资源; 植生基材; 人工模拟降雨; 无机粘结剂; 工程弃渣
Keywords:
natural resource; plant growth substrate; artificial simulation of rainfall; inorganic adhesive; engineering spoil
分类号:
S152.3
摘要:
为了确定无机粘结剂对工程弃渣物理性状和抗雨水侵蚀能力的影响，将工程弃渣与自然土壤混合配制成植物生长基质喷附在坡面模型上，开展不同降雨强度下的侵蚀实验。结果表明：无机粘结剂用量小于40 kg/m3时，提高了工程弃渣的水分渗透但对水分蒸发有抑制作用，用量大于40 kg/m3时无机粘结剂增加了工程弃渣的透气性，但导致工程弃渣保墒能力下降，硬度随之增加。少量的无机粘结剂对于工程弃渣的抗雨蚀能力并无提高，只有在无机粘结剂用量增加到50 kg/m3（含）以上时才会显著降低泥沙流失量。无机粘结剂40 kg/m3的用量为对工程弃渣物理性状影响的分水岭。而当用量达到50 kg/m3临界值时，无机粘结剂开始起到帮助工程弃渣抵御雨水侵蚀的作用。
Abstract:
The engineering spoil and natural soil were mixed into a plant growth substrate. In order to determine the influence of inorganic adhesive on engineering spoil’s physical properties and ability of resistance to rain erosion, the plant growth substrate was sprayed onto the rock-slope model and erosion experiments were carried out under different rain intensity. The results are as follows: when the amount of inorganic binder was less than 40 kg/m3, inorganic adhesive could inhibit water evaporation and improve the engineering spoil’s water penetration and hardness; however, more inorganic adhesive (≥40 kg/m3) would increase breathability, decrease ability of moisture conservation, and increase hardness. The amount of sediment loss showed no reduction until the inorganic adhesive concentrations reached to 50 kg/m3. It could be concluded that the dosage of 40 kg/m3 was division of the impact of inorganic binder on the physical properties. And when the amount reached critical value of 50 kg/m3, the inorganic adhesive started to help the engineering spoil resisting rain erosion.

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备注/Memo

收稿日期:2013-01-27;改回日期:2013-04-07。
基金项目:国家自然科学基金面上项目（30870467）
作者简介:陈述悦(1978-),男,河北邢台人,工程师,博士研究生,研究方向为公路路域生态恢复与重建技术。E-mail:chenshuyue@163.com
通讯作者:顾卫(1956-),男,吉林长春人,教授,博士,研究方向为公路路域生态恢复与重建技术。E-mail:weigu@bnu.edu.cn

更新日期/Last Update: 1900-01-01