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山东大学学报(工学版) ›› 2016, Vol. 46 ›› Issue (4): 60-67.doi: 10.6040/j.issn.1672-3961.0.2015.251

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抗分散透水性混凝土性能研究

宋修广1,周健1,侯越2*,葛智1,孙仁娟1   

  1. 1. 山东大学土建与水利学院, 山东 济南 250061;2.北京科技大学国家材料服役安全科学中心, 北京 100083
  • 收稿日期:2015-07-31 出版日期:2016-08-20 发布日期:2015-07-31
  • 通讯作者: 侯越(1987—),男,江苏东台人,副教授,博士,主要研究方向为道路工程材料. E-mail:alladin@outlook.com E-mail:songxiuguang@sdu.edu.cn
  • 作者简介:宋修广(1967— ),男,山东威海人,教授,博士,主要研究方向为路基加固材料及技术,边坡加固,土动力学. E-mail: songxiuguang@sdu.edu.cn
  • 基金资助:
    国家自然科学基金资助项目(51478252)

Properties of anti-dispersing pervious concrete

SONG Xiuguang1, ZHOU Jian1, HOU Yue2*, GE Zhi1, SUN Renjuan1   

  1. 1. School of Civil Engineering, Shandong University, Jinan 250061, Shandong, China;
    2. National Center for Materials Service Safety, University of Science &
    Technology Beijing, Beijing 100083, China
  • Received:2015-07-31 Online:2016-08-20 Published:2015-07-31

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摘要： 对透水混凝土的水泥浆进行改性,得出耐离析、高流动性能的透水混凝土。通过室内研究系统研究了灰骨比、水灰比、骨料级配对透水混凝土强度、密度、孔隙率、渗透性的影响规律。试验结果表明:抗分散剂可有效解决水泥浆下沉及离析的问题;抗分散透水混凝土的灰骨比对混凝土的性能有显著影响,水灰比的影响较小;集料级配对混凝土的强度及孔隙率具有一定的影响。基于上述试验,得出适用于现场施工的透水混凝土配合比,通过现场试验验证了振动沉管法施工透水性混凝土桩的可行性,并验证了透水性混凝土桩具有较高承载力。

关键词: 透水混凝土, 透水混凝土桩复合地基, 集料级配, 耐离析, 水灰比, 灰骨比

Abstract: The cement paste was first modified to obtain high segregation resistance and high fluidity performance. The impacts of cement-aggregate ratio, water-cement ratio and aggregate gradation on pervious concrete strength, density, porosity, and permeability were studied systematically. Experimental results showed that the anti-dispersion agent could effectively solve the problems of cement grout sinking and segregation. The cement-aggregate ratio could significantly affect pervious concrete performance, compared with a small impact by the water-cement ratio. The aggregate gradation also had impacts on the strength and porosity of pervious concrete. Based on the tests above, the mix proportion of pervious concrete for field construction was got. Field testing indicated that pervious concrete pile could be constructed by vibration method. The pervious concrete pile had good bearing capacity.

Key words: cement aggregate ratio, pervious concrete pile composite foundation, segregation resistance, water cement ratio, aggregate gradation, pervious concrete

中图分类号: 

  • U416.1
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