水泥基透水混凝土的配合比优化设计研究
PDF下载 (316)黄国阳,许浩锋,黄樊峰,孙彬峰,巴明芳.水泥基透水混凝土的配合比优化设计研究[J].宁波大学学报(理工版),2019,32(5):59-64.DOI:
HUNAG Guoyang,XU Haofeng,HUANG Fanfeng,SUN Binfeng,BA Mingfang.Optimization design of mixture proportion of cement-based pervious concrete[J].Journal of Ningbo University(Natural Science & Engineering Edition),2019,32(5):59-64.DOI:
| Title: | Optimization design of mixture proportion of cement-based pervious concrete |
| 作者: | 黄国阳, 许浩锋, 黄樊峰, 孙彬峰, 巴明芳 |
| Author(s): | HUNAG Guoyang, XU Haofeng, HUANG Fanfeng, SUN Binfeng, BA Mingfang |
| 关键词: | 透水混凝土; 水灰比; 浆骨比; 矿物掺合料; 化学外加剂 |
| Keywords: | pervious concrete; water-cement ratio; paste-aggregate ratio; mineral admixture; chemical additives |
| 分类号: | TQ52 |
| 文献标识码: | A |
| 摘要: | 为了优化通用硅酸盐水泥基透水混凝土的配合比设计, 研究了水灰比、浆骨比、矿物掺合料、外加剂对普通硅酸盐水泥基透水混凝土性能的影响规律. 结果表明: 水灰比在0.20~0.25, 浆骨比为0.43~0.45时, 透水混凝土的各项性能最优. 研究结果还表明, II级粉煤灰和S95矿粉单掺掺量分别为胶凝材料总量的30%~40%和10%~20%时, 可以有效提高透水混凝土的后期强度, 并且单掺粉煤灰的效果好于单掺矿粉, 而单掺矿粉的透水混凝土透水性能好于单掺粉煤灰; 透水混凝土胶结剂对透水混凝土性能提高的效果优于聚羧酸外加剂, 并存在适宜掺量范围. |
| Abstract: | In order to optimize the mixture proportion of cement-based pervious concrete, the influences of water-cement ratio, paste-aggregate ratio, mineral admixture and chemical admixtures on the performance of Ordinary Portland cement-based pervious concrete were studied. The results show that when the water-cement ratio is between 0.20 and 0.25, and the paste-aggregate ratio is 0.43 to 0.45, the pervious concrete obtains the optimal performance. The results also show that the Grade II fly ash and S95 slag powder can effectively increase the later strength of pervious concrete when the amount of fly ash is 30%~40% and slag is 10%~20% of the total amount of cementitious materials respectively and the effect of single fly ash is better than that of single slag. Pervious concrete mixed with only slag powder has better effect on permeability than that mixed with only fly ash. The properties of pervious concrete cementing agent are superior to those of polycarboxylic acids agent, which has an appropriate dosage range. |
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| 备注/Memo: | 收稿日期: 2018－11－02. 宁波大学学报（理工版）网址: http://journallg.nbu.edu.cn/ 基金项目: 国家自然科学基金（51478227, 51778302）; 浙江省自然科学基金（LY17E080009）; 宁波市自然科学基金（2017A610311）; 宁波大学校级一般项目（2019SRIP1425）. 第一作者: 黄国阳（1995－）, 男, 浙江东阳人, 在读硕士研究生, 主要研究方向: 高性能绿色建筑材料. E-mail: 724169602@qq.com *通信作者: 巴明芳（1975－）, 女, 山东滨州人, 博士/副教授, 主要研究方向: 高性能绿色建筑材料. E-mail: bamingfang@nbu.edu.cn 宁波大学学报（理工版）网址：http://journallg.nbu.edu.cn/ |
