沸石对胶结砂压实性能及加州承载比的影响

IF 1.3 Q3 ENGINEERING, MULTIDISCIPLINARY

International Journal of Engineering and Technology Innovation Pub Date : 2021-01-01 DOI:10.46604/ijeti.2021.7086

G. Norouznejad, I. Shooshpasha, S. Mirhosseini, M. Afzalirad

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引用次数: 4

摘要

研究了沸石对胶结砂压实性能和加州承载比(CBR)的影响。为此，首先将砂、水泥(按砂干重的2、4、6和8%)和沸石(水泥含量的0%、30%、60%和90%作为替代材料)混合。然后分别制备尺寸为101×116 mm和119×152 mm的各种圆柱形试样进行压实和CBR试验。养护28d后，按压实试验和CBR试验标准进行试验。结果表明，沸石的使用降低了胶结砂的最大干密度(MDD)，提高了最佳含水率(OMC)。此外，沸石的掺入量达到水泥含量的30%，由于火山灰和化学反应，CBR值最高。最后，提出了沸石胶结砂CBR与MDD之间具有高相关系数的相关关系。

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Effect of Zeolite on the Compaction Properties and California Bearing Ratio (CBR) of Cemented Sand

This research investigates the impact of zeolite on the compaction properties and California Bearing Ratio (CBR) of cemented sand. For this purpose, firstly, sand, cement (2, 4, 6, and 8% by the sand dry weight), and zeolite (0%, 30%, 60%, and 90% of cement content, as a replacement material) are mixed. Then, various cylindrical samples with sizes of 101×116 mm and 119×152 mm are prepared for compaction and CBR tests, respectively. After curing for 28 days, the samples are tested according to the standards of compaction and CBR tests. The results depict that the use of zeolite reduces Maximum Dry Density (MDD) while it increases Optimum Moisture Content (OMC) of cemented sand. Furthermore, the inclusion of zeolite up to 30% of cement content contributes to the highest CBR values due to the pozzolanic and chemical reactions. Finally, some correlations with high correlation coefficients are proposed between the CBR and MDD of zeolite-cemented sand.

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来源期刊

International Journal of Engineering and Technology Innovation ENGINEERING, MULTIDISCIPLINARY-

CiteScore

2.80

自引率

0.00%

发文量

审稿时长

12 weeks

期刊介绍： The IJETI journal focus on the field of engineering and technology Innovation. And it publishes original papers including but not limited to the following fields: Automation Engineering Civil Engineering Control Engineering Electric Engineering Electronic Engineering Green Technology Information Engineering Mechanical Engineering Material Engineering Mechatronics and Robotics Engineering Nanotechnology Optic Engineering Sport Science and Technology Innovation Management Other Engineering and Technology Related Topics.