|Table of Contents|

Properties and simulation analysis of foamed concrete with polypropylene fiber

《南京理工大学学报》（自然科学版）[ISSN:1005-9830/CN:32-1397/N]

Issue:
2016年04期
Page:
504-
Research Field:
Publishing date:

Info

Title:
Properties and simulation analysis of foamed concrete with polypropylene fiber
Author(s):
Sun Yafei1; 2; Geng Fei1; Gao Peiwei1; Li Haoran1; Zhang Lifang1; Liu Hongwei1; 2
1.Department of Civil Engineering,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China; 2.Department of Civil Engineering,Yancheng Institute of Technology,Yancheng 224051,China
Keywords:
foamed concretes;  mix proportion;  polypropylene fiber;  property;  finite element
PACS:
TU528
DOI:
10.14177/j.cnki.32-1397n.2016.40.04.020
Abstract:
The effect of water binder ratio and dosages of polypropylene fiber and fly ash on the properties of grade-400 foam concretes are investigated by orthogonal test.The results show that the optimum mix proportion for grade-400 foam concretes is:water binder ratio of 0.58,0.10% of polypropylene fiber and 0% of fly ash.The compressive strengths of foam concretes are 0.76 MPa at 7 days and 1.32 MPa at 28 days,respectively.The foam concretes possesse a water absorption rate of 17.5%,a dry shrinkage value of 0.98 mm/m and a thermal conductivity of 0.072 W/(m·K).The stress and displacement of in-cast-in foamed concretes enclosing wall are all satisfied under the wind load or the horizontal seismic load,providing theoretical basis for its application.

References:

[1] 孙亚飞.节能建筑外墙保温材料的应用研究[J].四川建筑科学研究,2009,35(6):244-247.
Sun Yafei.Applied research on external wall thermal insulation materials of energy saving building[J].Sichuan Building Science,2009,35(6):244-247.
[2]李浩然,高稳定发泡剂与泡沫混凝土的优化设计及性能研究[D].南京:南京航空航天大学,2014.
[3]Kunhanandan E K,Ramamurthy K.Air-void characterization of foam concrete[J].Cement and Concrete Research,2007,37:221-230.
[4]Kearsley E P,Wainwright P J.The effect of porosity on the strength of foamed concrete[J].Cement and Concrete Research,2002,32:233-239.
[5]Gao Peiwei,Wu Zhongru,Tang Mingshu.Effect of fly ash on deformation of roller-compacted concrete[J].ACI Materials Journal,2006,105(5):336-339.
[6]Pan Zhihua,Li Hengzhi,Liu Weiqing.Preparation and characterization of super low density foamed concrete from Portland cement and admixtures[J].Construction and Building Materials,2014,72:256-261
[7]陈兵,刘睫.纤维增强泡沫混凝土性能试验研究[J].建筑材料学报,2010,13(3):286-290.
Chen Bing,Liu Jie.Experimental research on properties of foamed concrete reinforced with polypropylene fibers[J].Journal of Building Materials,2010,13(3):286-290.
[8]Yang Keun-Hyeok,Lee Kyung-Ho,Song Jin-Kyu,et al.Properties and sustainability of alkali-activated slag foamed concrete[J].Journal of Cleaner Production,2014,68:226-233.
[9]牛云辉,卢忠远,严云,等.外加剂对泡沫混凝土性能的影响[J].混凝土与水泥制品,2011(3):12-13.
Niu Yunhui,Lu Zhongyuan,Yan Yun,et al.The properties effect of foamed concrete by additives[J].China Concrete and Cement Products,2011(3):12-13.
[10]Gao Peiwei,Deng Min,Feng Naiqian.The influence of superplasticizer and superfine mineral powder on the fluidity,strength and durability of HPC[J].Cement and Concrete Research,2001,31:703-706.
[11]刘晓军,杨杰,李浩然,等.泡沫混凝土强度性能提升研究[J].低温建筑技术,2014(9):8-11.
Liu Xiaojun,Yang Jie,Li Haoran,et al.The research to improve the compressive strength of foamed concrete[J].Low Temperature Architecture Technology,2014(9):8-11.
[12]赖建中,徐升,杨春梅,等.聚乙烯醇纤维对超高性能混凝土高温性能的影响[J].南京理工大学学报,2013,37(4):633-639.
Lai Jianzhong,Xu Sheng,Yang Chunmei,et al.Influence of polyvinyl alcohol fibers on the properties of ultra high performance concrete at high temperature[J].Journal of Nanjing University of Science and Technology,2013,37(4):633-639.

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Last Update: 2016-06-30