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增稠剂对新拌水泥基材料性能影响的研究进展
Study Progress of Effects of Viscosity-enhancing Admixtures on Fresh Cementitious Materials
2018年第1期
增稠剂;水泥基材料;流变性;含气量;凝结时间;抗离析性能
Viscosity-enhancing admixtures(VEA); Cement-based materials; Rheology; Setting time; Air content; Anti-segregability
2018年第1期
1000-4637(2018)01-17-05
国家自然科学基金资助项目(51578545、51378499);中国铁道科学研究院院基金(2016YJ038
孙德易1,2,李化建1,2,易忠来1,2,黄法礼1,2,王 振1,2,谢永江1,2
1.中国铁道科学研究院, 北京100081;2.高速铁路轨道技术国家重点实验室,北京100081

孙德易1,2,李化建1,2,易忠来1,2,黄法礼1,2,王 振1,2,谢永江1,2

孙德易,李化建,易忠来,等.增稠剂对新拌水泥基材料性能影响的研究进展[J].混凝土与水泥制品,2018(1):17-21.

SUN D Y,LI H J,YI Z L,et al.Study Progress of Effects of Viscosity-enhancing Admixtures on Fresh Cementitious Materials[J].China Concrete and Cement Products,2018(1):17-21.

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摘 要:从工程适用性出发,介绍了水泥基材料用增稠剂的发展历程、类型及其特点等,探讨了增稠剂对水泥基材料抗离析性能改善机制,总结了增稠剂对水泥基材料流变性能、含气量、凝结时间的影响规律,指出了掺增稠剂水泥基材料的研究趋势。 Abstract: The history, type and thickening mechanism of cement-based materials were introduced from the practical point of view. The mechanism of improving the anti-segregatio performance of viscosity-enhancing admixtures to cement-based materials was explained.The rheological properties, the air content and the setting time of the cement-based materials were put forward, and the research trend of cement-based materials with viscosity-enhancing admixtures was pointed out.
英文名 : Study Progress of Effects of Viscosity-enhancing Admixtures on Fresh Cementitious Materials
刊期 : 2018年第1期
关键词 : 增稠剂;水泥基材料;流变性;含气量;凝结时间;抗离析性能
Key words : Viscosity-enhancing admixtures(VEA); Cement-based materials; Rheology; Setting time; Air content; Anti-segregability
刊期 : 2018年第1期
DOI :
文章编号 : 1000-4637(2018)01-17-05
基金项目 : 国家自然科学基金资助项目(51578545、51378499);中国铁道科学研究院院基金(2016YJ038
作者 : 孙德易1,2,李化建1,2,易忠来1,2,黄法礼1,2,王 振1,2,谢永江1,2
单位 : 1.中国铁道科学研究院, 北京100081;2.高速铁路轨道技术国家重点实验室,北京100081

孙德易1,2,李化建1,2,易忠来1,2,黄法礼1,2,王 振1,2,谢永江1,2

孙德易,李化建,易忠来,等.增稠剂对新拌水泥基材料性能影响的研究进展[J].混凝土与水泥制品,2018(1):17-21.

SUN D Y,LI H J,YI Z L,et al.Study Progress of Effects of Viscosity-enhancing Admixtures on Fresh Cementitious Materials[J].China Concrete and Cement Products,2018(1):17-21.

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引用本文

摘   要:从工程适用性出发,介绍了水泥基材料用增稠剂的发展历程、类型及其特点等,探讨了增稠剂对水泥基材料抗离析性能改善机制,总结了增稠剂对水泥基材料流变性能、含气量、凝结时间的影响规律,指出了掺增稠剂水泥基材料的研究趋势。
Abstract: The history, type and thickening mechanism of cement-based materials were introduced from the practical point of view. The mechanism of improving the anti-segregatio performance of viscosity-enhancing admixtures to cement-based materials was explained.The rheological properties, the air content and the setting time of the cement-based materials were put forward, and the research trend of cement-based materials with viscosity-enhancing admixtures was pointed out.

关键词:
增稠剂;水泥基材料;流变性;含气量;凝结时间;抗离析性能
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作为改善水泥基材料施工性能的重要外加剂——增稠剂,其应用领域越来越广,适用于水泥基材料的增稠剂也逐渐成为国内外研究热点,但尚存在以下问题:
(1)缺少适用于水泥基材料用增稠剂的相关标准:与其他外加剂相比,水泥基材料增稠剂标准还不够完善,尚缺少明确的技术指标、检验方法和应用指南,急需补充研究适用于指定水泥基材料的增稠剂技术标准规范。
(2)没有适用于不同要求水泥基材料用增稠剂的应用技术:增稠剂在水下灌注桩、自密实混凝土、喷射混凝土、自流平砂浆、低品质骨料混凝土等领域均已有应用,但不同领域之间性能要求不同,需开发面向不同结构要求的水泥基材料用增稠剂。
(3)增稠剂与其他外加剂相互作用机理不清:增稠剂在实际应用中不可避免的要与其他外加剂共同使用,如减水剂、消泡剂等,研究各种外加剂之间的相容性是高效利用这些组分的前提,但是由于目前增稠剂与其他各种外加剂种类繁多,相互作用机理尚不清楚。
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孙德易,李化建,易忠来,.增稠剂对新拌水泥基材料性能影响的研究进展[J].混凝土与水泥制品,2018(1):17-21.

SUN D Y,LI H J,YI Z L,et al.Study Progress of Effects of Viscosity-enhancing Admixtures on Fresh Cementitious Materials[J].China Concrete and Cement Products,2018(1):17-21.

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