New trigonometric leveling in mine construction 新三角高程測量在礦山施工中的應(yīng)用
A general talk about total station apparatus triangulated height measurement 淺談全站儀三角高程測量
Accuracy anaiyse of long side trigonometry level surveyingat wide water area 寬水域地區(qū)長邊三角高程測量試驗(yàn)精度分析
The feasibility of trigonometric height survey for replacement of order levelingin wide network of rivers 寬水網(wǎng)地區(qū)三角高程測量代替等級(jí)水準(zhǔn)測量的可行性
The paper expounds the principle of triangular elevation surveying and its accuracy , and further presents the accuracy norm for 4 ( superscript th ) grade of leveling surveging 摘要闡述全站儀三角高程測量的原理及精度,在此基礎(chǔ)上得出達(dá)到四等水準(zhǔn)測量的精度要求。
This paper gives a model of trigonometric leveling of atmospheric refraction and vertical deflection , then analyses every part of its accuracy and give a lists to analyses all kinds of effects caused by the errors of triangle leveling 摘要首先建立了大氣折光和垂線偏差的三角高程測量模型,并對(duì)模型的精度進(jìn)行了逐項(xiàng)分析,列表分析了各種誤差對(duì)三角高程測量的影響。
The method of the total station transfer leveling parameter applied to the construction of yunyang yangtse river highway bridge shows that in can not only ensure the surveying precision but also improve the work efficiency 通過云陽長江大橋施工中的應(yīng)用表明,在一定的條件下采用全站儀間視法三角高程測量來實(shí)現(xiàn)高程的傳遞,不僅能保證測量精度,而且可以提高工作效率。
This paper analyzes the principle , error sources and precision of triangulated height surveying , points out the key problems about first order leveling replaced by triangulated height surveying ; and for the first time puts forward that in some given conditions , it is not only feasible but also valuable to replace first order leveling by precise triangulated height surveying , and proves it by experimentation as well 摘要通過對(duì)三角高程測量的原理、誤差來源及精度分析,指出了用三角高程測量代替一等水準(zhǔn)的關(guān)鍵問題,第一次提出了在特定條件下用三角高程測量代替一等水準(zhǔn)是完全可行的,并在生產(chǎn)實(shí)踐中得到了驗(yàn)證。
The surface deformation monitoring of the side - wall by combination of the forward intersection method with the analytical trigonometric elevation measurement demonstrates that the plane deformation and vertical deformation of the side - wall are small , and the quality of dam filling and side - wall construction is satisfactory 用能夠滿足精度要求的前方交會(huì)法與解析三角高程測量法結(jié)合的方法對(duì)邊墻表面變形進(jìn)行監(jiān)測,結(jié)果表明,邊墻平面位移和垂直位移均較小,大壩填筑和邊墻施工質(zhì)量可靠。