测绘工程
測繪工程
측회공정
ENGINEERING OF SURVEYING AND MAPPING
2015年
8期
40-43
,共4页
聂松广%刘成龙%周凌焱%张强%刘爽
聶鬆廣%劉成龍%週凌焱%張彊%劉爽
섭송엄%류성룡%주릉염%장강%류상
洞内平面控制测量%经验定权%方差分量估计定权%横向贯通误差
洞內平麵控製測量%經驗定權%方差分量估計定權%橫嚮貫通誤差
동내평면공제측량%경험정권%방차분량고계정권%횡향관통오차
tunnel plane control surveying%experience weighting%variance component estimation weighting%lateral transfixion error
传统隧道洞内平面控制网平差定权分为经验定权和方差分量估计定权两种。采用哪种定权方法更能反映出洞内控制网的实际精度，业内一直没有定论。文中通过对长大隧道洞内平面控制网平差时不同定权方法的研究，并进行多座长大隧道洞内控制网实测数据的计算分析对比，得出在隧道洞内平面控制测量平差计算中，经验定权优于方差分量估计定权的结论。
傳統隧道洞內平麵控製網平差定權分為經驗定權和方差分量估計定權兩種。採用哪種定權方法更能反映齣洞內控製網的實際精度，業內一直沒有定論。文中通過對長大隧道洞內平麵控製網平差時不同定權方法的研究，併進行多座長大隧道洞內控製網實測數據的計算分析對比，得齣在隧道洞內平麵控製測量平差計算中，經驗定權優于方差分量估計定權的結論。
전통수도동내평면공제망평차정권분위경험정권화방차분량고계정권량충。채용나충정권방법경능반영출동내공제망적실제정도，업내일직몰유정론。문중통과대장대수도동내평면공제망평차시불동정권방법적연구，병진행다좌장대수도동내공제망실측수거적계산분석대비，득출재수도동내평면공제측량평차계산중，경험정권우우방차분량고계정권적결론。
Traditional tunnel cave plane control network adjustment falls into experience weighting and variance component estimation weighting .Which one of the two can refect the right adjustment calculation method has been yet debated .To solve this problem ,this paper studies different weighting methods in horizontal control network adjustment of several tunnel caves inside and carris out the calculation and analysis of the real data . Conclusion is obtained in the tunnel plan control adjustment the experience weighting is better than variance component estimation weighting .
