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高强混凝土的原材料选择 被引量:4

Selection of Raw Materials for High Strength Concrete
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摘要 本文提出了高强混凝土的原材料必须精心优选 ,以确保高强混凝土的成功配制和高强混凝土强度的稳定性。材料的选择包括水泥的品质、集料粒径、集料强度、颗粒形状和质地、化学外加剂、矿物掺合料等。此外 ,胶凝材料质量的稳定性和与高效减水剂的相容性也是原材料选择中不容忽视的重要内容。 In this paper,it is emphasized that the raw materials for high strength concrete should be elaborately selected in order for its successful design and strength stability. Selection of materials include characteristics of cement, particle size,intrinsic strength, shape and texture of aggregate, chemical admixtures and mineral admixtures, etc. Furthermore, quality stability of cementitious materials and conformability between superplasticizers and cementitious materials are also important for material selection.
作者 姚武
出处 《中国港湾建设》 2000年第1期18-21,共4页 China Harbour Engineering
基金 上海市建设技术发展基金会青年基金资助项目! Q960 610 3
关键词 高强混凝土 高效减水剂 矿物掺合料 原材料 high strength superplasticizer mineral admixture
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  • 1Hiroshi Uchikawa et al ,Effect of Admixture on Hydration of Cement,Adsorptive Behavior of Admixture and Fluidity and Setting of Fresh Cement Faste. Cement and Concrete Research Vol 22,Pl115-- 1129,1992. 被引量:1
  • 2C.Jolicoeur,P.C.Nkinamubanzi et al.,Progress in Understanding the Fuctional Properties of Superplasticizers in Fresh Concrete ACI SP 148-4 1994. 被引量:1
  • 3Dan Ravina. Slump Retention of Concrete With al Without Chemical Admixtures, Concrete International April.1995. 被引量:1
  • 4E.Hanna.K.Luke.et al.Rheologic al Behavior of Portland Cement In the Presence of a Superplasticizer.,ACI SP--119-9.CANMET 1989. 被引量:1
  • 5Richard Gagne et al. Effect of Superplasticizer Dosage on Mechanical Properties, Permeability. and Freeze-Thaw Durability of High-Strength Concretes With and Without Silica Fume ACI Materials JournaIMarch-April 1996. 被引量:1

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