传感器与微系统
傳感器與微繫統
전감기여미계통
Transducer and Microsystem Technologies
2015年
10期
158-160
,共3页
田素辉%熊新%李英娜%赵振刚%谢涛%李川
田素輝%熊新%李英娜%趙振剛%謝濤%李川
전소휘%웅신%리영나%조진강%사도%리천
重力墙%监测%位移%光纤Bragg光栅
重力牆%鑑測%位移%光纖Bragg光柵
중력장%감측%위이%광섬Bragg광책
gravity wall%monitoring%displacement%fiber Bragg grating( FBG)
山区公路运营过程中,须掌握重力墙位移的变化,保障公路的安全。通过对重力墙作有限元分析,确定监测区域,并在墙监测区域的表面安装10只光纤光栅位移传感器,横向每隔2m安装一只,设置2个监测段,每段安装5只光纤光栅位移传感器。长期监测表明:重力墙在距离监测起始点0,8,18 m监测点处出现位移的变化较大,最大分别为0.86,0.99,0.69 mm。
山區公路運營過程中,鬚掌握重力牆位移的變化,保障公路的安全。通過對重力牆作有限元分析,確定鑑測區域,併在牆鑑測區域的錶麵安裝10隻光纖光柵位移傳感器,橫嚮每隔2m安裝一隻,設置2箇鑑測段,每段安裝5隻光纖光柵位移傳感器。長期鑑測錶明:重力牆在距離鑑測起始點0,8,18 m鑑測點處齣現位移的變化較大,最大分彆為0.86,0.99,0.69 mm。
산구공로운영과정중,수장악중력장위이적변화,보장공로적안전。통과대중력장작유한원분석,학정감측구역,병재장감측구역적표면안장10지광섬광책위이전감기,횡향매격2m안장일지,설치2개감측단,매단안장5지광섬광책위이전감기。장기감측표명:중력장재거리감측기시점0,8,18 m감측점처출현위이적변화교대,최대분별위0.86,0.99,0.69 mm。
In process of mountain road operator,change of gravity wall displacement must be mastered. By finite element analysis on gravity walls determine monitoring region,10 fiber grating displacement sensors are mounted on the wall surface of the monitoring region,a lateral installation intervals of 2 m,two monitoring sections are set,each section is installed 5 fiber grating displacement sensors. Long-term monitoring show that gravity walls occurs a larger displacement changes 0,8 and 18 m away from monitor point,the biggest difference is 0. 86,0. 99,0. 69 mm.