2011煤矿膏体充填材料力学变形性能的试验的研究何利辉.pdfVIP

20 ( 42 5) 1 1 1 1 2 何利辉 , 贾尚昆, 陈超群 , 匡中文 , 李 梦 ( 1. 中国矿业大学 矿业工程学院, 江苏 徐州; 2. 中矿大福克贝尔有 责任公司, 江苏 徐州221116) : 力学变形性能的研究在煤矿膏体充填材料压缩变形研究中居于十分重要的位置通过 实验室正交试验, 得出了膏体充填材料的弹性模量横向应变纵向应变和泊松比, 并首次利用数 字图像测量软件绘制了材料在单轴压缩过程中的全应力- 应变曲线和泊松比曲线, 为选择最佳 配比的充填材料提供依据 : 充填材料; 弹性模量; 变形; 应变; 泊松比 : TD823. 7 : A : 1003- 496X ( 2011) 05- 0020- 04 Exp erim en tal Study on M echan ica l D eform ation Prop erties of M in e Paste F illingM aterial 1 1 1 1 2 HE L i- hui , JIA Sha g- ku , CHEN Chao- qu , KUANG Zho g- we , LIM e g ( 1. School of M inesEng ineering, China University of M ining and Technoogy,X uzhou 221116, China; 2.Backf ill of CUMT Co pany Ltd. ,X uzhou 221116, China) A bstrac t: Research of m echa ical deform atio properties is at a very mi porta t positio i m i e paste filli g material com press io de form atio research. Through laboratory orthogo al test, elastic modu lus, horizo tal strai , vertical strai a d poisso s ratio of paste filli gm aterial are gotte . For the first tmi e through d igital mi agem easu rem e t sofwt are, com plete stress- strai curve a d poisso s ra tio curve of wh ich paste filli g material is i the u id irectio al compress io process are draw . A ll those provide the bas is for selecti g the best ratio filli gm aterial. K ey w ord s: filli gm aterial; elastic modu lus; deform atio ; strai ; poisso s ratio , , , , , , , 2 , 1 , , , 1. 1 实验材料 , , ( 1),