松软厚煤层开切眼锚网索支护技术研究及其应用.pdf

1、null l :2007- 01- 30null T e :f S (1973- ), 3 , ,p V , = . 18 6 2007 M 12 null null null null null null null null JOURNAL OF ZHONGYUAN UNIVERSITY OF TECHNOLOGYnull null null null null nullVol.18null No. 6Dec.,2007null null c I | :1671- 6906(2007)06- 0035- 05 7 M / # 张玉国1,张佃春2,祝彦知1(1.中原工学院,郑州null 450

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8、 v , 7 l F .V 1null M mmZ / K v l 190 108 87 90 177 217 113 99 101 200# 204 113 99 101 200 212 116 109 111 220% 217 153 111 113 224Z - % 9 ,i ,Y V 1 s , Z - % ,Z # e r T K z .Z # Z M 1 , M 9 F v 4% 14%.V n , z 7 M M ,1 o F 7 M e , 5 z | Y 8 M f . , s v t . Z - % , s K v 1.8E+ 05 N, s K v 1. 713E+ 05

9、N, Y s f 1. 473E+ 05 N 1.8E+ 05 N W . , , s f v Y , ; F % T T , O M 1 , T A F l ; Z - % , T M , 1 Y t . , V n m 4-m 5.m 4null Z ( ) _ s mm 5null Z # ( ) _ s m PT 1 100 kN/m H , M 1 “ ; ( ) ( )M W T 1 “ .3 f 9 S T m 6- m 8 U .Y V s m w L V : , e M r T z ; r B H X YV v 4 A r T d 4 . m 8A U : B H , , /

10、 l ; r B H , t , M ? A h l ; P- SE w L V , Y Y .2null 现场试验 9 s ,i I n 6 y , h 92111 T 7 M Z I k . 8 4 T m 9 U .m A U , Z I H , 7 M l q 14.45%, / 212 mm,M v , M $ r e , l 1 v , l H W ( 7d) t , 5 15 dP t . V n , 8 b 7 M Z V r e M , L C 8 b ! ! y .m 9null V M 3null 结null 语(1)9 V , Z T V e M , e 7 M M 1

11、 o e M ;(2) Z T M 1 A Y , Y v ,8C e T ; Z T V A “ , r e 7 M ;(3)Y V C k , 8 b 7 M ! 9 Z I, ? L C M r e ,; 1 p , 6 ,9 V 9 , L C y .9 ,Y V 9 s , Z V L C 8 b 7 M r e , 7 M e Z ,i H q / 5 B k T .2.Shandong Zoucheng Institute of architecturaldesign,Zoucheng 273500,China)Abstract: null Basedon the charact

12、eristics of large crossnullsection and intense deformationnullfailure of surroundnulling rock withstarting cut in soft and thick coalseam, the structure calculating modelof originalrocks around astarting cut is constructed by knowledge of mechanics, and various boltnullmeshnullanchor supporting sche

13、mes aresimulated andsupporting parameters optimized, supporting schemes are proposed, which are secure and econullnomic. Theinnullsitu testing resultsshow that this supporting technology can satisfy the requirement of engineernulling, and better economic and social profits have been achieved.Key wor

14、ds: null starting cut; boltnullmeshnullanchor supporting; lengthening bolt; numerical calculation; innullsitutesting( 29: ) I D :1 null (日)江守一郎.模型试验的理论和应用M.郭庭玮,李安定,译.北京:科学技术出版社,1984.2 null 陈孟英,周丰峻.关于弹- 靶侵彻效应模型试验问题J.防护工程,2000(2): 10- 15.3 null 张中国.弹体侵彻带加强筋结构靶的实验和数值模拟研究D.北京:北京理工大学, 2004.The Equivalenc

15、e Method of Structural TargetZHANG Zhongnullguo,XU Junnullfeng, WANG Jinnullyan(Zhongyuan University of Technology, Zhengzhou 450007,China)null null Abstract: null In thispaper, according to the structure ofwarships, the equivalence method of the structuraltarget with rebar ispresentedabidedby thepr

16、incipalof equivalence inrigidity .The minimizedmodeland the enullquivalence modelof thestructural target with rebar penetrated by projectiles are investigatedin experiment andnumerical simulations and the result shows that the equivalence method of the structural target with rebar isreasonable.Key words: null structuraltarget;numerical simulations;equivalence method&39& 6 null null null null null null null null null null null null null null null null f S : 7 M / #