[1]张天军,王 乾,羽 玥,等.矸石膏体粗集料级配优化试验研究[J].西安科技大学学报,2017,(04):492-499.[doi:10.13800/j.cnki.xakjdxxb.2017.0407]
 ZHANG Tian-jun,WANG Qian,YU Yue,et al.Experimental investigation on coaras materal gradation optimization of gangue paste[J].Journal of Xi'an University of Science and Technology,2017,(04):492-499.[doi:10.13800/j.cnki.xakjdxxb.2017.0407]
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矸石膏体粗集料级配优化试验研究(/HTML)
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西安科技大学学报[ISSN:1672-9315/CN:61-1434/N]

卷:
期数:
2017年04期
页码:
492-499
栏目:
出版日期:
2017-07-30

文章信息/Info

Title:
Experimental investigation on coaras materal gradation optimization of gangue paste
文章编号:
1672-9315(2017)04-0492-08
作者:
张天军王 乾羽 玥陈 阁
西安科技大学 理学院,陕西 西安 710054
Author(s):
ZHANG Tian-junWANG QianYU YueCHEN Ge
College of Sciences,Xi'an University of Science and Technology,Xi'an 710054,China
关键词:
矸石膏体 粗集料 级配优化 可泵性 力学特性
Keywords:
Key words:waste paste coarse material optimal ratio pumpability mechanical characteristics
分类号:
TD 823.7
DOI:
10.13800/j.cnki.xakjdxxb.2017.0407
文献标志码:
A
摘要:
在矸石膏体充填开采中,粒径为5~25 mm的矸石占矸石膏体总质量的30%~40%,其粒径级配对矸石膏体力学性能具有重要影响。为了得到粒径为5~25 mm矸石的最佳级配,根据Talbol理论进行连续级配设计,制得矸石膏体浆料,对其可泵性进行测定; 然后将其制成矸石膏体试样,标准养护28 d后,对其进行单轴压缩试验以测定其抗压强度、弹性模量等。结果表明,保持矸石、粉煤灰、水泥占膏体总质量的62.5%,29.2%,8.3%,并取粒径为0~5 mm的矸石占矸石总质量的40%时,随着Talbol幂指数逐渐增大,膏体浆料的坍落度及扩展度具有先增大后减小的变化趋势; 泌水率具有逐渐增大的变化趋势; 膏体试样的抗压强度和弹性模量具有先增大后减小的变化趋势。结合膏体可泵性及力学性能测定结果,当Talbol幂指数为0.5时,粒径为5~10,10~15,15~20,20~25 mm的矸石分别占矸石总质量的37.9%,8.5%,7.2%,6.4%,即为矸石膏体粗集料最佳级配。
Abstract:
Abstract:In the process of the gangue paste filling and mining project,the grain size of gangue which is 5~25 mm makes up about 30%~40% of the total mass of the gangue paste,and the size distribution of it is of great importance to the mechnical performance of the gangue paste.In order to get the 5~25 mm of grain size of gangue paste in a suitable gradation,based on the theory of Talbol,a sample of gangue paste is made to measure their pumpability.Then we need contiguous gradation design,standard curing the sample of gangue paste in 28 days and uniaxial compression test to determine the compressive strength,elastic modulus,etc.Results show that keep coal gangue,fly ash,cement accounted for 62.5%,29.2% and 8.3% of the total quality of gangue paste as well as the grain size of 0~5 mm accounted for 40% of the total quality of gangue.Meanwhile,with the gradual increase of Talbol's power index,slump and extension firstly increased and then decrease,and exudation rate increased gradually; the compressive strength and elastic modulus of the paste sample firstly increased and then decrease.When Talbol's power index of 0.5 and combined the results of the paste pumpability and mechanical property,the gangue grain size of 0~5,5~10,10~15,15~20 and 20~25 mm accounted respectively for 37.9%,8.5%,7.2% and 6.4% of the total mass of the gangue is the suitable gradation of the gangue.

参考文献/References:

[1] 唐 海,赵海龙,黄靖龙,等.煤矿膏体充填材料配比试验研究[J].华北科技学院学报,2015,12(4):43-47. TANG Hai,ZHAO Hai-long,HUANG Jing-long,et al.Study on proportion experiment of paste filling material in coal mine[J].Journal of North China Institute of Science and Technology,2015,12(4):43-47.
[2] 吴金刚,杨书召,王公忠.膏体充填矸石级配优化试验研究[J].中州煤炭,2013(9):27-29. WU Jin-gang,YANG Shu-zhao,WANG Gong-zhong.Experimental investigation on gangue gradation optimization of paste filling[J].Zhong Zhou Coal,2013(9):27-29.
[3] 郭晓彦.充填膏体性能影响因素试验研究[D].太原:太原理工大学,2013. GUO Xiao-yan.The study of influencing factors of paste filling performance[D].Taiyuan:Taiyuan University of Technology,2013.
[4] 郑保才,周华强,何荣军.煤矸石膏体充填材料的试验研究[J].采矿与安全工程学报,2006,23(4):460-463. ZHENG Bao-cai,ZHOU Hua-qiang,HE Rong-jun.Experimental research on coal gangue engineering paste filling material[J].Journal of Mining and Safety Engineering,2006,23(4):460-463.
[5] WANG Xin-min,ZHAO Jian-wen,XUE Jun-hua.Features of pipe transportation of paste-like backfilling in deep mine[J].Journal of Central South University of Technology,2011,18(5):1 413-1 417.
[6] LI Wen-guang.Performance computations of centrifugal pumphandling viscous oils[J].Drainage and Irrigation Machinery,2008,29(4):78-85.
[7] JIANG Qing-qing.Strength reduction method for slope based on a ubiquitous-joint criterion and its application[J].Mining Science and Technology,2009,19(4):452-456.
[8] 刘进晓,刘伟韬,穆玉兵,等.矸石膏体优化配比及其力学性能基础试验研究[J].矿业安全与环保,2014,41(2):28-31. LIU Jin-xiao,LIU Wei-tao,MU Yu-bing,et al.Basic experiment and study on optimal proportioning and mechanical properties of waste paste[J].Mining Safety and Environmental Protection,2014,41(2):28-31.
[9] 张若江,张新国,白继文,等.膏体充填材料配比试验与水化反应机理研究[J].山东科技大学学报,2012,31(6):62-68. ZHANG Ruo-jiang,ZHANG Xin-guo,BAI Ji-wen,et al.Research on proportion test and hydration mechanism of paste filling material[J].Journal of Shandong University of Science and Technology,2012,31(6):62-68.
[10]张新国,王华玲,李杨杨,等.膏体充填材料性能影响因素试验研究[J].山东科技大学学报,2012,31(3):53-58. ZHANG Xin-guo,WANG Hua-ling,LI Yang-yang,et al.Experimental research for influencing factors on properties of paste filling materials[J].Journal of Shandong University of Science and Technology,2012,31(3):53-58.
[11]赵才智,周华强,柏建彪.等.膏体充填材料强度影响因素分析[J].辽宁工程技术大学学报,2006,25(6):904-906. ZHAO Cai-zhi,ZHOU Hua-qiang,BO Jian-biao,et al.Influence factor analysis of paste filling material strength[J].Journal of Liaoning Technical University,2006,25(6):904-906.
[12]刘 浪.矿山充填膏体配比优化与流动特性研究[D].长沙:中南大学,2013. LIU Lang.Research on proportion optimization and flow characteristic of backfill paste in mine sites[D].Changsha:Central South University,2013.
[13]王海龙,郭惟嘉,陈绍杰,等.煤矿充填膏体力学性质试验研究[J].矿业研究与开发,2012,32(4):8-10. WANG Hai-long,GUO Wei-jia,CHEN Shao-jie,et al.Experimental study on mechanical properties of paste filling in coal mine[J].Mining Research and Development,2012,32(4):8-10.
[14]Fall M,Celestinr J C,Pokharel M.A contribution to understanding the effects of curing temperature on the mechanical properties of mine cemented tailings backfill[J].Engineering Geology,2010,114:397-413.
[15]Thonmpson Ben D,Bawden W F,Grabinsky M W.In situ measyrements of cemented paste backfill at the Cayeli mine[J].Canadian Geotechnical Journal,2012,49(7):755-772.
[16]史俊伟,陈绍杰,张新国,等.矸石膏体充填体控制地表沉陷力学性能试验研究[J].矿治工程,2014,34(5):10-13. SHI Jun-wei,CHEN Shao-jie,ZHANG Xin-guo,et al.Experimental research on mechanical properties of gangue-paste backfill material in mine[J].Mining and Metallurgical Engineering,2014,34(5):10-13.
[17]吴金刚,王公忠,郭志磊,等.矸石膏体充填实验指标确定[J].辽宁工程技术大学学报,2013,32(8):1 071-1 075. WU Jin-gang,WANG Gong-zhong,GUO Zhi-lei,et al.Determination of experiment index on coal gangue paste filling[J].Journal of Liaoning Technical University,2013,32(8):1 071-1 075.
[18]孙 琦.膏体充填开采胶结体的强度和蠕变特性研究及应用[D].阜新:辽宁工程技术大学,2012. SUN Qi.The research and application on strength and creep characters of cemented body used in backfilling mining[D].Fuxin:Liaoning Technical University,2012.
[19]GB/T 50080-2002,普通混凝土拌和物性能试验方法标准[S].北京:中国建筑工业出版社,2003. GB/T 50080-2002,Standard for test method of performance on ordinary fresh concrete[S].Beijing:China Architecture and Building Press,2003.
[20]JTG E30-2005,公路工程水泥及水泥混凝土试验规程[S].北京:中华人民共和国交通部,2005. JTG E30-2005,Test Methods of Cement and Concrete for Highway Engineering[S].Beijing:China Architecture and Building Press,2005.
[21]GB/T 50081-2002,普通混凝土力学性能试验方法标准[S].北京:中国建筑工业出版社,2002. GB/T 50081-2002,Standard for test method of mechanical properties on ordinary concrete[S].Beijing:China Architecture and Building Press,2002.
[22]GB/T 50107-2010,混凝土强度检验评定标准[S].北京:中国建筑工业出版社,2010. GB/T 50107-2010,Standard for evaluation of concrete compressive strength[S].Beijing:China Architecture and Building Press,2010.
[23]彭祖强.考虑骨料级配及密度的混凝土配合比设计研究[D].昆明:昆明理工大学,2010. PENG Zu-qiang.Research on design of the concrete proportion considering aggregate gradation and the density[D].Kunming:Kunming University of Science and Technology,2010.
[24]牛 雷.矸石膏体充填开采充填体物理力学性质研究[D].邯郸:河北工程大学,2014. NIU Lei.Study on physical and mechanical properties of gangue paste filling mining backfill[D].Handan:Hebei University of Engineering,2014.
[25]曹建新,王哲人.连续级配的级配碎石材料试验研究[J].公路交通科技,2005,22(5):14-16.

备注/Memo

备注/Memo:
基金项目:国家自然科学基金(51374168,51174158,51174157,51104118,51474172) 通讯作者:张天军(1971 ),男,陕西临潼人,教授,博士生导师,E-mail:tianjun_zhang@126.com
更新日期/Last Update: 1900-01-01