矿物掺合料对水泥基材料自收缩变形行为的影响及机理研究

刘加平; 缪昌文; 田倩; 孙伟

doi:10.13204/j.gyjz200607017

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矿物掺合料对水泥基材料自收缩变形行为的影响及机理研究

doi: 10.13204/j.gyjz200607017

1.
1. 江苏省建筑科学研究院有限公司南京 210008;
2.
2. 东南大学材料科学与工程系南京 210008

详细信息

作者简介:
田倩、孙伟同志分别为第二、第三作者;刘加平男 1967年1月出生教授级高工 E-mail:ljp@cnjsjk.cn

田倩、孙伟同志分别为第二、第三作者;刘加平男 1967年1月出生教授级高工 E-mail:ljp@cnjsjk.cn

田倩、孙伟同志分别为第二、第三作者;刘加平男 1967年1月出生教授级高工 E-mail:ljp@cnjsjk.cn

中图分类号: TU528.041
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- 文章访问数: 49
- HTML全文浏览量: 4
- PDF下载量: 135
- 被引次数: 0
出版历程
- 收稿日期: 2005-11-01
- 刊出日期: 2006-07-20

STUDY ON THE EFFECT OF MINERAL ADMIXTURES ON AUTOGENOUS-SHRINAGE DEFORMATION OF CEMENT-BASED MATERIALS AND ITS MECHANISM

1.
1. Jiangsu Building Research Institute Co.,Ltd Nanjing 210008;
2.
2. Department of Material Science and Engineering,Southeast University Nanjing 210096

摘要

摘要: 采用体积测量和长度测量相结合的试验手段,对高性能水泥基材料的自收缩变形规律进行了分阶段、全过程的研究分析,研究了矿物掺合料的种类(粉煤灰和磨细矿渣)、掺入比以及细度对自收缩的影响。结合毛细管张力理论,探讨了粉煤灰和磨细矿渣对自收缩的影响机理。
- 矿物掺合料 /
- 高性能水泥基材 /
- 自收缩
Abstract: The whole-course of autogenous shrinkage deformation of high performance cement based materials was in vestigated by stages with the combining of volume measurement and length measurement.The effects of the type of mineral admixtures,including fly ash and ground blast furnace slag,addition rate and fineness on the autogenous shrinkage were studied.The mechanism was discussed on the basis of capillary tension theory.
- mineral admixtures /
- high performance cement-based material /
- autogenous shrinage

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参考文献(6)

Ole Mejlhede Jensen,Per Freiesleben Hansen.Autogenous Deformation and RH-Change in Perspective.Cement and Concrete Research,2001,31:1 859-1 865

[2] Lura P.Autogenous Deformation and Internal Curing of Concrete:[Phd Thesis].of Uni.Delft 63-75

[3] Escalantea JI,Go'meza LY,Johalb KK,et al.Reactivity of Blast-Furnace Slag in Portland Cement Blends Hydrated under Different Conditions.Cement and Concrete Research,2001,31:1 403-1 409

[4] Hinrichs W,Odler I,Investigation of the Hydration of Portland Blast Furnace Slag Cement:Hydration Kinetics.Adv.Cem.Res.1989,2:9 -13

[5] Lam L,Wong Y L,Poon C S.Degree of Hydration and Gel/Space Ratio of High-Volume Fly Ash/Cement Systems.Cement and Concrete Research,2000,30:747-756

[6] Bentz D P.On the Mitigation of Early Age Cracking//Proc.3rd Int.Sem.on Self-Desiccation and Its Importance in Concrete Technology.Lund,195-204

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