何锦华,冉千平,费治华
减缩抗裂型超塑化剂对免振捣自密实混凝土收缩性能的影响
Influences of Superplasticizer with Type of Reduced Contraction and Anti-cracking on the Shrinkage Behaviors of Free-vibrat
2008年第1期
减缩抗裂;超塑化剂;免振捣;自密实混凝土
Reduced contraction and anti-cracking; Superplasticizer; Free-vibration; Self-compacted concrete
2008年第1期
1000-4637(2008)01-01-04
何锦华,冉千平,费治华
江苏省建筑科学研究院有限公司,南京 210008
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减缩抗裂型超塑化剂对免振捣自密实混凝土收缩性能的影响
英文名 :
Influences of Superplasticizer with Type of Reduced Contraction and Anti-cracking on the Shrinkage Behaviors of Free-vibrat
刊期 :
2008年第1期
关键词 :
减缩抗裂;超塑化剂;免振捣;自密实混凝土
Key words :
Reduced contraction and anti-cracking; Superplasticizer; Free-vibration; Self-compacted concrete
刊期 :
2008年第1期
DOI :
文章编号 :
1000-4637(2008)01-01-04
基金项目 :
作者 :
何锦华,冉千平,费治华
单位 :
江苏省建筑科学研究院有限公司,南京 210008
何锦华,冉千平,费治华
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摘 要:通过试验,研究了不同外加剂对免振捣自密实混凝土收缩变形的影响。结果表明,掺入减缩抗裂型超塑化剂(JM-PCAⅣ)可以有效减少免振捣自密实混凝土的凝缩、早期收缩、干燥收缩及自收缩变形。
Abstract: The influences of different type of chamical admixtures on contracted deformations of free-vibration and self-compacted concrete are studied by testing. The rezults show that, it is able to effectively reduce the contractional deformation, including the setting contracts, early age contracts, dry shrinbage and self-shrinkege, when the superplasticizer of JM-PCA(Ⅳ), a type of reduced contraction and anti-cracking admixture, is added.
关键词:
减缩抗裂;超塑化剂;免振捣;自密实混凝土
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