| 粘土增强剂对黄壤土砂工艺性能的影响 |
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| 引用本文： | 邹令,骆祎岚,朱世根.粘土增强剂对黄壤土砂工艺性能的影响[J].铸造,2011,60(8). |
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| 作者姓名： | 邹令 骆祎岚 朱世根 |
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| 作者单位： | 东华大学机械工程学院教育部纺织装备工程研究中心,上海,201620 |
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| 基金项目： | 浙江省重大科技专项资助项目 |
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| 摘 要： | 研究了在两种不同混砂工艺条件下,不同含量的粘土增强剂对黄壤土天然粘土砂工艺性能的影响.结果表明,混砂工艺不同,对含有粘土增强剂的黄壤土砂达到最佳湿压强度时间有影响,但对黄壤土砂达到的强度最佳值的影响基本相同.随着粘土增强剂含量的增加,黄壤土天然粘土砂的强度也随之增大；但当增强剂含量达到一定量时,强度不再增加；粘土增强剂对黄壤土砂干强度的影响也是如此.混砂工艺不同,对黄壤土砂的紧实率、透气性、紧实度及发气量没有影响.随着粘土增强剂含量的增加,黄壤土砂的紧实率、透气性均下降；黄壤土砂标准试样质量增加,增加到一定量后质量趋于稳定；粘土增强剂对黄壤土砂的发气性的影响不显著.
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| 关 键 词： | 黄壤土砂 粘土增强剂 强度 紧实率 透气性 紧实度 发气量 |
Influence of Clay Additive on Performance of Natural Yellow Loam Clay-Bonded Sand |
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| ZOU Ling,LUO Yi-lan,ZHU Shi-gen.Influence of Clay Additive on Performance of Natural Yellow Loam Clay-Bonded Sand[J].Foundry,2011,60(8). |
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| Authors: | ZOU Ling LUO Yi-lan ZHU Shi-gen |
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| Affiliation: | ZOU Ling,LUO Yi-lan,ZHU Shi-gen(College of Mechanical Engineering of Donghua University,Engineering Research Center of Advanced Textile Machinery of the Ministry of Education,Shanghai 201620,China) |
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| Abstract: | This paper presents the influence of different amount of clay additive on performances of natural yellow loam clay-bonded sand under two different sand preparation processes.The results show that under different sand preparation process the natural yellow loam clay-bonded sands need different time to reach the optimal green strength,but the optimal green strength values are almost the same.The green strength of the natural yellow loam clay-bonded sand increases with the increasing amount of clay additive,bu... |
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| Keywords: | natural yellow loam clay-bonded sand clay additive strength compactability permeability compactness gas evolution |
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