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灌注式半柔性路面用CA砂浆配合比优化设计 被引量:2
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作者 赵炜 《北方交通》 2020年第6期52-54,共3页
对灌注式半柔性路面材料当中所用的普通水泥砂浆进行性能优化,在普通水泥砂浆中添加乳化沥青、橡胶粉等作为改性材料,最终制备形成CA砂浆。以流动度、泌水率、抗折抗压强度、体积收缩率作为主要控制指标,通过一系列配合比优化试验制备... 对灌注式半柔性路面材料当中所用的普通水泥砂浆进行性能优化,在普通水泥砂浆中添加乳化沥青、橡胶粉等作为改性材料,最终制备形成CA砂浆。以流动度、泌水率、抗折抗压强度、体积收缩率作为主要控制指标,通过一系列配合比优化试验制备出性能最佳的CA砂浆。 展开更多
关键词 半柔性路面 普通水泥砂浆 橡胶粉-水泥砂浆 CA砂浆
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Improved Resistance to Cracking of a Cement Mortar through the Incorporation of Crumb Rubber
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作者 Moulay Smaine Ghembaza Mbaye Seck 《Journal of Physical Science and Application》 2017年第3期37-40,共4页
Within a context of sustainable development, innovative processes for various applications to recycle rubber are put in place to make aggregates or crumb rubber. These uses include sports floor coverings, to manufactu... Within a context of sustainable development, innovative processes for various applications to recycle rubber are put in place to make aggregates or crumb rubber. These uses include sports floor coverings, to manufacture of sealants, sound absorbing walls, to make roads, as an alternative fuel in cement kilns, etc. In this study, the addition of crumb rubber to mortar was investigated through optical and mechanical tests. The results showed that the incorporation of crumb rubber from used tires into mortar produced a better resistance to shrinkage cracking, but a compressive strength/tensile is reduced. This feature could lend itself to making playgrounds and sports grounds more absorbing and flexible, which would allow a more significant fall to be withstood without injury and consequently enhance the safety of playgrounds. 展开更多
关键词 Max. resistance CRACKING cement mortar crumb rubber.
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