高温及双向约束下岩石膨胀应力测试装置的研制
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摘要
关于高温及双向约束下岩石的膨胀力的研究并没有完善的、现成的仪器设备可以用,为研究煤炭地下气化炉顶、底板岩石在高温下的膨胀力与温度的关系,本文研制了双向约束框架.文中主要结合高温及双向约束下岩石试件的膨胀特点进行了岩石试件膨胀力计算,对框架结构进行了参数选取、计算模型简化、变形验算、强度验算,并按照机械设计规范对双向约束框架的某些部件选取规格,此装置和静态应变仪、压力传感器结合使用可以用来测试高达900℃时岩石的双向约束下的膨胀力.
With regard to the research on the expansibility of rock with both directions restricted,there is no ready and perfect apparatus to use.In order to obtain the relations between expansibility of temperature and rock which belong to roof and motherboard of stove used for subterranean gasification of coal,the both direction restriction frame is developed in the paper.Pansibility of rock sample was calculated integrating to expanding characteristic,parameter of the frame was choosed,calculation model was predigested,distortion,and intension were checked.Then,some parts'standard of the frame were selected according to mechanism design criterion.The apparatus could be used to test the expansibility of rock which is under 900℃ combined with static state strain apparatus and stress sensor.
With regard to the research on the expansibility of rock with both directions restricted,there is no ready and perfect apparatus to use.In order to obtain the relations between expansibility of temperature and rock which belong to roof and motherboard of stove used for subterranean gasification of coal,the both direction restriction frame is developed in the paper.Pansibility of rock sample was calculated integrating to expanding characteristic,parameter of the frame was choosed,calculation model was predigested,distortion,and intension were checked.Then,some parts'standard of the frame were selected according to mechanism design criterion.The apparatus could be used to test the expansibility of rock which is under 900℃ combined with static state strain apparatus and stress sensor.
引文
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[2]SIRNPSON C.Deformation of granitic rock CIDSS the britytle-buctile transitionc[J].J.struc.Geo,1985,18(7):503-511.
[3]王靖涛,赵爱国,黄明昌.花岗岩断裂韧度的高温效应[J].岩石工程学报,1989,11(6):113-118.
[4]北野晃一,新孝一,木下直人,等.高温下岩石力学特性、热特性和渗透特性的综合评述[C]//世界地震译丛.1991,10(1):59-68.
[5]普资讯.http://www.cqvip.com.[2008-03-16].
[6]锦州锦太石英玻璃有限公司.http://www.jzjtsy.com/jlzc.htm.[2008-04-19].
[7]上海石创光学玻璃有限公司.http://www.shichuangguangxue.com/prductsc5.html.[2008-01-10].
[8]王文斌,林忠钦,严隽琪,等.机械设计手册2[M].北京:机械工业出版社,2004.
[9]全国螺纹标准化技术委员会.中国机械工业标准汇编[M].北京:中国标准出版社,1999.
[10]李世平,吴振业.岩石力学简明教程[M].北京:煤炭工业出版社,1996:8-9.
[11]魏明忠.钢结构[M].武汉:武汉理工大学出版社,2004.
[12]蔡美峰,何满潮,刘东燕.岩石力学与工程[M.北京:科学出版社,2002.
[13]孙训方,方孝淑,关来泰,等.材料力学教程[M].北京:高等教育出版社.
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