Influence of anions on the geotechnical properties of soils treated with hydraulic binders: Individual and coupling effects
Influence of anions on the geotechnical properties of soils treated with hydraulic binders: Individual and coupling effects
复制标题
阴离子对水硬性粘合剂处理土壤岩土性能的影响：单独效应和耦合效应
DOI：
10.1016/j.conbuildmat.2014.04.109
复制
发表时间：
2014
影响因子：
7.4
通讯作者：
L. Leleyter
中科院分区：
文献类型：
--
作者：
L. Saussaye;M. Boutouil;F. Baraud;L. Leleyter
用水硬性粘合剂处理土壤可改善其物理和机械特性，使土壤可在道路建设等几种岩土工程应用中重复使用。本研究的目的是评估硫酸根，氯离子，硝酸根和磷酸根离子，引入CaSO4·2H2O，NaCl，NH4NO3和KH2PO4，在加速固化条件下处理的土壤的物理和力学性质的影响。然后，在存在另一种阴离子的情况下测定硫酸根离子的影响。考虑到每种阴离子对土壤的影响，只有磷酸根离子在3至10 g kg− 1干土壤浓度下对稳定化有有害影响。硫酸根离子在10 g kg− 1时引起重要的体积膨胀。然而，一种阴离子与硫酸根离子的结合引起对体积膨胀和间接拉伸强度的重要干扰：在确定破坏性参数的稳定性时必须考虑这些相互作用。
The treatment of soils with hydraulic binders improves their physical and mechanical characteristics, allowing the soils to be reused in several geotechnical applications such as road construction. The aim of this research study is to assess the influence of sulfate, chloride, nitrate and phosphate ions, introduced as CaSO4·2H2O, NaCl, NH4NO3and KH2PO4, on the physical and mechanical properties of a treated soil under accelerated curing conditions. Then, the influence of sulfate ions is determined in the presence of another anion.Regarding the influence of each anion on the soil considered, only phosphate ions have a deleterious effect on the stabilization at concentrations between 3 and 10 g kg−1of dry soil. The sulfate ions induce an important volumetric swelling at 10 g kg−1.However, the combination of one anion with sulfate ion induces important disturbances on both volumetric swelling and indirect tensile strength: these interactions must be taken into account in the determination of the stabilization of disruptive parameters.
影响因子：
11.4
作者：
Elakneswaran, Y.;Nawa, T.;Kurumisawa, K.
通讯作者：
Kurumisawa, K.