gboredpilepilecapthelofti
ga
ddeformatio
mo
itori
gtoe
suretheco
structio
qualityi
troducesthecharacteristicsmeasureme
ta
dco
trol
etworkco
structio
etworkpri
ciplea
dmethodaccordi
gtotheco
structio
surveyi
gco
trol
etworkprecisio
desig
forbridgebridgea
dtheapplicatio
ofvaria
cecovaria
cepropagatio
lawofestimati
gthedesig
schemeca
meettheprecisio
requireme
tsApplicatio
ofpolarcoordi
ateslofti
gofpiera
dabutme
tmeasureme
tofthecrosssectio
oftheearthworkcalculatio
Theestablishme
tofco
trol
etworka
dgivefullplaytothecharacteristicsofthe
etworka
dthe
etworksidea
glea
glemeasureme
t
etworkishelpfultoco
troltheazimutherrora
dthesideedge
etsishelpfultoco
trolthesizeerrorWiththeco
trol
etworksurveyi
gco
trolpoi
tabouttheselectio
a
dobservatio
ofco
trol
etworka
ddataprocessi
gco
trolrefere
ceaboutthechoice
Keywords
bridge，co
structio
co
trol
etwork，measureme
t，GPSmeasureme
t，data
processi
g，qualityco
trol
目
录
III
f中铁十五局集团有限公式宁西二线（郑州局管段）NX4标施工测量方案
1工程概况1
11线路概况112主要工程内容113用地拆迁114工程设计特点115控制工程及重、难点工程2
2铁路主要技术标准33测量技术规范34建设项目所在地区自然特征3
41气候条件342地形地貌443水文资料444工程地质445水文地质446地震效应r