生土活化胶凝材料的制备及性能研究.pdfVIP

学兔兔 杆癯建魄 全国中文核心期刊 生土 活化胶 凝材料昀制备及牲雒研究 王立久，谭晓倩，汪振双 (大连理工大学 土木水利学院，辽宁 大连 1 16024) 摘要：为开发新型乡村经济建筑材料，大力提倡低碳节能，常温条件下利用自配激发剂激发生土和矿渣，研制成功一种新型生 士水泥。通过SEM、XRD等测试手段对其水化产物进行分析，结果表明其生成物主要为低碱性水化硅酸钙、水化铝酸钙凝胶及方沸 石。该水泥3 d、28 d胶砂抗压强度分别可达3O、45 MPa，满足42．5普通硅酸盐水泥强度等级要求，并具有优异的耐水性能、耐酸侵 蚀性能、抗冻性能。是价格低廉、节能环保的乡村新型建筑材料。 关键词：生土；秸秆；矿渣；水泥；新型乡村建材 中图分类号：TU521．3 文献标识码：A 文章编号：1001—702X(2010)10—0083—04 Preparation and properties of raw soil cementitious materials WANG Lijiu， ⅣXiaoqiart，WANG Zhenshuang (School of Civil and Hydraulic Engineering，Dalian University of Technology，Dalian 1 16024，Liaoning，China) Abstract：In order to develop new rural economic building material，strongly advocate low carbon and energy saving，a new form of cement was produced by activating raw soil and slag with self—prepared activator under normal temperature condition．Its hydration product was analyzed by means of SEM and XRD．The results show that the main products are C-S—H with less Ca(OH)2， hydrated calcium aluminum gel and zeolite．Compressive strength of 30 MPa and 45 MPa can be achieved respectively after 3 days and 28 days curing，meeting the requirement of 42．5 Portland cement on cement strength grade．This kind of cement also has excellent resistance to water，acid as well as freezing attack．It is an excellent economical energy-saving building material for China new countryside construction applications． Key words：raw soil：straw；slag；cement；new rural building material “十一五”国家科技支撑计划大力提倡“新型乡村经济建 护结构，虽然这种结构可以达到冬暖夏凉的功效}lj，但其强度、 筑材料研究与开发”。对于农村建材开发，首先应该考虑造价， 耐水性和