共查询到19条相似文献,搜索用时 640 毫秒
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介绍了福州档案馆新馆人工湖防水工程应用LAKEMAT誖膨润土防水毯的防水施工技术,阐述了人工湖基面处理、膨润土防水毯材料准备事项,以及自然放坡驳岸与室内水系的防水施工工艺、膨润土防水毯搭接与固定、斜坡管道穿透位置防水处理等重要环节。 相似文献
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本文作者从事膨润土研究多年,所在的公司也从事膨润土防水毯的研发、生产和销售,有感于本刊"关于JG/T 193-2006〈钠基膨润土防水毯〉有关问题的讨论",也将一些问题提出,并希望能和同行一起讨论。 相似文献
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膨润土防水毯既具有土工材料的特性,又具有优异的防水性能。本文介绍了膨润土防水毯在新乡医学院人工湖工程中的应用,分析了基面处理、材料裁剪、节点处理等关键环节,介绍了重点、难点以及不同部位的施工要点。 相似文献
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本文主要是从膨润土的基本特性,分析了膨润土防水施工技术和方法,阐述了其防水特性、种类,是值得建筑工程的广泛应用。 相似文献
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Gaomiaozi (GMZ) bentonite has been chosen as a possible matrix material of buffers/backfills in the deep geological disposal to isolate the high-level radioactive waste (HLRW) in China. In the Gaomiaozi deposit area, calcium bentonite in the near surface zone and sodium bentonite in the deeper zone are observed. The swelling characteristics of GMZ sodium and calcium bentonites and their mixtures with sand wetted with distilled water were studied in the present work. The test results show that the relationship be- tween the void ratio and swelling pressure of compacted GMZ bentonite-sand mixtures at full saturation is independent of the initial conditions such as the initial dry density and water content, hut dependent on the ratio of bentonite to sand. An empirical method was accordingly proposed allowing the prediction of the swelling deformation and swelling pressure with different initial densities and bentonite-sand ratios when in saturated conditions. Finally, the swelling capacities of GMZ Na- and Ca-bentonites and Kunigel Na-bentonite are compared. 相似文献
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钙基膨润土钠化改型及其应用 总被引:3,自引:0,他引:3
采用碳酸钠或其它钠盐作改型剂,可将天然的钙基膨润土转化为人工钠基膨润土,从而提高钙基膨润土的物理、化学性能。将钠化改型的钙基膨润土直接用于建筑涂料中,不但能明显地改善涂料的性能,而且可大幅度地降低涂料的生产成本。 相似文献
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Viruses were removed from various types of water by flocculation with natural bentonite clays from the banks of the Nile as well as with pure bentonite. The flocculation technique employed corresponds to that used to clarify Nile water in Sudanese villages. If proper flocculation occurred 3 to 4 log10 units of virus could be removed. Some of the conditions for floc formation were examined. 相似文献
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以湖北鄂州低品位钙基膨润土为试验研究对象,采用湿法提纯工艺,选用0.5%六偏磷酸钠为分散剂,矿浆浓度25.0%,将膨润土纯度从75.43%提高到89.91%。对提纯后的膨润土进行钠化改型试验,确定了影响钠化的主要因素和钠化最佳工艺条件,制备的钠基膨润土d(001)为1.237 0nm,膨胀容和胶质价分别为72mL/g及500mL/15g,为优质的钠基膨润土。 相似文献
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以北京地铁5号线某区间隧道为例,介绍了膨润土注浆材料的性能及其在工程中的注浆施工工艺。 相似文献