泡沫混凝土整体现浇墙体工程应用研究[J].pdfVIP

1 斩 建巍粉 全国中文核心期刊 泡沫混凝土整体现浇墙体工程应用研究 牛云辉，卢忠远，严云，何顺爱，周顺鄂 (四川省非金属复合与功能材料重点实验室一省部共建国家重点实验室培育基地，西南科技大学，四Jil绵阳 621010) 摘要：泡沫混凝土具有质轻、保温隔声等优异性能，但易开裂、强度低和易塌模等问题制约了其在现浇承重墙体上的应用。以 P·032．5R水泥、Ⅲ级粉煤灰为主要原料，制备出用于现浇承重保温为一体的免蒸压泡沫混凝土：采用单因素试验研究了外加剂对泡 沫混凝士性能的影响，并结合工程应用实例，对泡沫混凝土整浇墙易出现的问题进行分析并提出解决建议。制备的泡沫混凝土能有 效地解决泡沫混凝土现浇承重墙体时容易出现的塌模、开裂等问题。 关键词：泡沫混凝土；现浇；外加剂；工程应用 中图分类号：TU528．2 文献标识码：B 文章编号：1001—702X(2011)03—0025—05 Study on engineering application of foamed concrete for integrated cast--in——place wall NlU Yunhui，LU Zhongyutm，YAN Yun，HE Shun hi．ZHOU Shun (State Key Laboratory Cultivation Base for Nonmetal Composites and Functional Materials， Southwest University of Science and Technology，Mianyang 621010，Sichuan，China) Abstract：Foamed concrete has excellent performance of lightweight and noise insulation．But the problems of easily to crack and rupture constraint the application of foamed concrete for cast-in-place bearing wal1．In this paper，taking P。032．5R cement，m grade fly ash as main raw material，non-autoclaved foamed concrete for cast-in-place bearing and insulation wall is prepared；the effects of admixture on foamed concrete properties are studied through single-factor test．With the example of engineering appliea— tion，the problems easily found in foamed concrete cast—in—place wall are analyzed and solution is proposed．The prepared foamed concrete can effectively solve the problems of rupture and crack when applied for integrated cast—in—place bearing wal1． Key words：foamed concrete；cast—in-place：admixture；engineering application 泡沫混凝土具有轻质、保温、隔热、隔声等优异性能，而且 本文以普通硅酸盐水泥、粉煤灰和自制复合发泡剂为主 生产投资少、可大量利用工业废渣，它的应用对建筑节能及环 要原料，通过单因素试验研究了外加剂对泡沫混凝土强度、保 保都有重要意义。有研究表明 ]，随着粉煤