铸造2011，Vol.60Issue(8)：796-801,6.
粘土增强剂对黄壤土砂工艺性能的影响
Influence of Clay Additive on Performance of Natural Yellow Loam Clay-Bonded Sand
摘要
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, but when the clay additive reaches a certain amount, the strength does not increase further, and the clay additive has the same effect on the dry strength of the sand. The sand preparation process has no influence on compactability, permeability, compactness and gas evolution of the sand. The compactability and permeability of natural yellow loam clay-bonded sand decreases with the increasing amount of clay additive, while the mass of the standard sample of the sand increases. The clay additive has no obvious effect on gas evolution of the sand.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Key words
natural yellow loam clay-bonded sand/clay additive/strength/compactability/permeability/compactness/gas evolution分类
矿业与冶金引用本文复制引用
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):796-801,6.基金项目
浙江省重大科技专项资助项目(2008c01010-2) （2008c01010-2）
