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钢结构检测 > 企业新闻 > 隧道监测外业中常存在的12个问题
隧道监测外业中常存在的12个问题
日期:2019-12-28 9:14:31 作者:佚名 来源:本站原创
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隧道监控量测在某种程度上和体温计是一个道理。人生没生病,有没有感冒发烧用体温计量一量,同样隧道有没有大的沉降收敛变形,有没坍塌安全风险也是量一量,只是测量工具不同,用的是收敛仪或是全站仪,而这种测量方式就叫做隧道的监控量测。

YINWEIJIANKONGLIANGCEYOUYIDINGDEYUJINGZUOYONG,ZAIDANGQIANANQUANDARUTIANDESHIGONGGUANLILINIANXIA,JIANKONGLIANGCEJIHUCHENGLEGEJILINGDAOJIANCHADEBIJIANXIANG,TEBIESHIZAIWEIYANDIZHITIAOJIANCHADELICHENGDUANLUOYINGJIWEIZHONGSHI。DANSHIYIHANDEHEN,SUIRANSUIDAOJIANKONGLIANGCEBEISHOUZHUMU,CHENGJIANDANWEIYETOURULEJIAODADERENLIHEWULI,DANSHIWENTIQUESHIBUSHAO,SHENZHICHULEBUSHAOXIAOHUA。YANLIANZAIBENWENZHONGDIANJIANGSUIDAOJIANKONGLIANGCEWAIYEZHONGCHANGCUNZAIDEWENTIJINXINGFENXIJIANGJIE,XIAMIANSHIXIANGXIFENXI:

隧道监控量测外业中常存在的问题

1、监控量测点布设不正确

JIANKONGLIANGCEDUANMIANERTAIJIE、SANTAIJIEKAIWABUSHEJUNWEIWUGEDIAN。JISHUGUICHENGZHONGYAOQIUERTAIJIEBUSHEWUGEDIAN、SANTAIJIEBUSHEQIGEDIAN,QISHIZHISHICHUGONGDINGBUSHEYIGECHENJIANGDIANWAI,MEIKAIWAYITAIJIEZENGJIAYITIAOSHOULIANBIANXINGCEXIAN,JILIANGGECEDIAN,YIBIANDUIMEICIKAIWAZHUANGTAIJINXINGANQUANJIANKONGCE。

2、浅埋段洞内外监测点不在一个断面上

DONGNEIWAIJIANCEDIANMAISHEZAITONGYIDUANMIANSHANGSHIWEILEDUIDONGNEIWAIDEGUANCECHENGGUONENGGOUXIANGHUYINZHENG,DUIYUKENENGDAILAISHENXIANHUODADEBIANXINGDIDUANJINXINGZONGHEFENXI,QUDEYIGEKEXUEDEPANDUAN。

3、洞内监控量测点布设不在一个断面上

YOUDEJIANKONGLIANGCEDIANQIANHOULICHENGSHANGKENENGHUICHASHANG1mDUO,ZAIⅤJIWEIYANYAOMEICIKAIWA1PINJI0.6mDEYUANZESHANGLAISHUO,BUDIANKENENGYIGEZAIYILIHAODEDUANMIANSHANG,YIGEZAIGANGKAIWADEDUANMIANSHANG,NEIMEGUANCESHIJIANSHANGJIUBUYIZHI,GUANCESHUJUSHIZHEN,JIHOUXUFENXIDAILAIJIAXIANGHUOSHIKUNNAN,DANSHIJIQINGKUANGJUEBUKENENGRUCIBUDIAN,ZHEIZHINENGSHUOMINGBUDIANSHANGCUNZAINONGXUZUOJIA。RUGUOZHENSHIRUCIBUDIANDEHUANEIMEZESHUOMINGYICIXINGKAIWACHAOGUO1mDUO,GONGYIWEIGUI。

4、监控量测点预埋件深度不足。

ZAICHUQIDEJIANCHAGUOCHENGFAXIAN,YUMAIJIANCHANGCHANGZHIYOU20~30cmZUOYOU。JISHUGUICHENGZHONGSUIWUMINGQUEZHANGDU,DANYAOQIUZHISHAOMAIRUJIYAN20cmYISHANG。ERZAIⅤJIZHUANYAN,CHUZHIHOUDUJIYOU28cm(20cmDEGANGGONGJIAHOUDU+8cmDEPENTONGHOUDU),JIASHANGKAOLVYAOMAIRUJIYAN20cmYISHANG,ZEYUMAIJIANZHISHAOYINGBUXIAOYU50cm。

5、监测标埋设位置不正确。

ZAICHUQIDEJIANCHAGUOCHENGZHONGFAXIAN,YOUDEYUMAIJIANMAISHEZAIGANGGONGJIASHANG。ZHEISHUOMINGBULIJIEJIANKONGLIANGCEDEYIYI。JIANKONGLIANGCESHIDUIKAIWAHOUWEIYANZAIYINGLISHIFANGHOULIANGCEWEIYANDEBIANXINGQINGKUANG。SUOYIBUNENGMAISHEZAIGANGGONGJIASHANG,GENGBUNENGMAISHEZAITUOKONGCHU。RUGUOMAISHEZAIGANGJIASHANG,RUGUOBIANXINGLE,SHUOMINGWEIYANSONGCHIYIJINRUSUXINGBIANXINGZHUANGTAI,GANGJIAYISHOUHEYANZHONG。RUOMAISHEZAITUOKONGCHU,ZEJISHIWEIYANFASHENGLEMINGXIANDEBIANXINGYEBUNENGCHAJUE。(ZHEISHIZHENGSHUO,QISHIBENRENYOUXIEYIYI,HUITOUXIEPIANWENZHANGZAILIAOLIAO)

6、监测标埋设不牢固

JIANCHAGUOCHENGZHONGFAXIANYOUDEJIANCEBIAOMAISHEBULAOGU,YONGLIDEQINGKUANGXIANENGGOUHUANGDONGSHENZHISHIBACHU,ZAIZHEIZHONGQINGKUANGXIAZUODEWEIYANSHOULIAN,QISHUJUDEKEKAOXINGHENZHIDEHUAIYI。

7、地表观测断面埋设及起始观测滞后

ZAIQIANMAIDUANSHIGONGDANWEIJINGCHANGZAIZHANGZIMIANDAOLESHICAIBUDIAN,CAIJINXINGQISHIGUANCE。ZHEISHIDIBIAOJIANCESHIQULEYIDINGDEYIYI。JISHUGUICHENGZHONGYAOQIUJIANCEDIANDEYINGCHAOQIANZHANGZIMIANYIDINGJULIBUSHE(JULIZHIWEIDONGJINGJIAFUGAICENGHOUDU)。GAIJULIBIAOSHISUIDAOKAIWADIBIAOKENENGSHOURAODONGYINGXIANGDEFANWEI,RUWEIYANQINGKUANGBUHAOHUODIBIAOYOUKONGDONGTAXIANDENGCENENGQIYIDINGDEYUCEZUOYONG,RUGUOZHIHOUZECHAOSHIDIANDEGAOCHENGZEYIKENENGFASHENGCHENJIANGQUEMEIYOUJIANCEDAO,JIUSHIQULEYIDINGDEJIANKONGLIANGCEDEYIYI。

8、洞内断面布设及观测滞后

GUICHENGJIYOUGUANWENJIANZHONGYAOQIUBUSHEYINGZAIDONGSHIKAIWAHOU12XIAOSHINEIBUSHEBINGCEQUCHUSHIZHI。YINWEIWEIYANDEDADEBIANXINGFASHENGZAIKAIWAHOUDEZUICHUDELIANGTIANSHIJIANNEI,RUGUOZAIZHIHOUYIDAOLIANGGEDUANMIANBUSHE,NEIMEDADEBIANXINGYIJINGWANCHENG,RUYUDAOFENGXIANZEYICUOGUOZUIJIADEJIANCESHIJI,SHIJIANKONGLIANGCEGONGZUOSHIQUYUJINGDEZUOYONG。

9、监测点位及反射贴片反复破坏和修复

JIANCEDIANPOHUAIHEHUIFUHUIZAOCHENGGUANCESHUJUDEZHONGDUAN,XINXICAIJISHIZHEN。FANSHETIEPIANDEZHENLUOHEBUSHANGKENENGHUIZAOCHENGJIANCEDIANYIFASHENGLEYIDONG,CAIJISHUJUTONGYANGSHIZHEN,CHENGGUODEJIANCEXIAOGUODADAZHEKOU。

10、地表陡峭处布设的沉降变形点仍以水准形式观测

SHIGONGDANWEIJINGCHANGHUIYIDIBIAODOUQIAO,SHUIZHUNGUANCEBUFANGBIANERKUNAO。SHIJIQINGKUANGSHIZAIZHEIYANGDOUQIAODEDIXINGSHANGLICHIDESHUIZHUNQIPAOHENNANBAOZHENGJUZHONG,NEIMEZHEIZHONGFANGFACELIANGDEJINGDUJIUHENNANBAOZHENG,ERZAIJISHUGUICHENGZHONGJIUYOUCHENJIANGGUANCEKEYONGJINGMISHUIZHUNYIHUOQUANZHANYI,SUOYICISHIYINGYONGQUANZHANYIJINXINGGUANCE。

11、洞外浅埋段地表基准点布设在影响范围内

DONGWAIDIBIAOCHENJIANGBIANXINGGUANCE,JIANCEDIANDECHENJIANGBIANXINGSHIYIJIZHUNDIANWEICANZHAODE,SUOYIJIZHUNDIANDEYINGSHEZHIZAIWENDINGBUSHOURAODONGDETUCENGZHONG,SUOYIJISHUGUICHENGLIYOUZHUANMENYAOQIUBUDIANYINGSHEZHIZAIDONGYUANLIANGCEYIWAIDONGGAOJIAFUGAICENGHOUDUZHIHEDEJULICHU。

12、忽视洞内外观察项

SHIGONGDANWEIDUIJIANKONGLIANGCEDEGAINIANWANGWANGTINGLIUZAIYIQILIANGCESHANG,ERHUSHILEZUIWEIZHONGYAODEYIXIANG,DONGNEIWAIGUANCHA。SHIJISHANGDONGNEIWAIGUANCHASHIJIANKONGLIANGZHONGZUIWEIZHONGYAODEYIXIANG,TASHIDUIDIBIAOMINGXIANDETAXIANBIANXINGDENGJIDONGNEIWEIYANYOUWUDIAOKUAI,PENTONGYOUWULIEFENGJIXIXIAODEBOLUO,GANGGONGJIALIANJIEBANYOUWUYIXIANGDENGRICHANGANQUANXUNSHISHIDEYIZHONGGUANCHA,RUCHUXIANYISHANGQINGKUANGZESHUOMINGWEIYANBIANXINGYANZHONG,GANGGONGJIAYICHENGSHOUXIANGDANGZHONGDEHEZAI,SHIWEIXIANDEQIANZHAO,SUOYIZAIANQUANJIANKONGSHANGQIDAOXIANGDANGZHONGYAODEZUOYONG,RUGUOCIXIANGZHONGSHIHUIBIMIANHENDUOTANTADENGANQUANSHIGU。RUGUOBINGSHIBUZHONGSHINEIMEWEIXIANBIJINSHIJIUKENENGSHIRUOWUDU,MAMUBUREN,XINLISHANGDEMABICAIZUIDADEANQUANYINHUAN。


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