测距三角高程隔点设站法及其工程应用  

Method of Distance Trigonometric Leveling by Setting Station between Two Points and Its Engineering Application

作　　者：张成增[1] 芦小勇 杨振胤 ZHANG Chengzeng;LU Xiaoyong;YANG Zhenyin(PowerChina Northwest Engineering Corporation Limited,Xi 'an 710065,China)

机构地区：[1]中国电建集团西北勘测设计研究院有限公司,西安710065

出　　处：《西北水电》2021年第5期56-59,共4页Northwest Hydropower

基　　金：中国电建集团西北勘测设计研究院有限公司科技项目(XBY-KJ-2019-06).

摘　　要：分析了测距三角高程隔点设站法的原理及精度估算方法,结合工程案例,研究了该方法使用时边长及垂直角的范围条件,验证了隔点设站法代替等级水准测量的可行性,为隔点设站法的精度估算提供了一种可行方法。This paper analyzes the method of distance trigonometric leveling by setting station between two points and its precision estimation method.Combining with engineering projects,the paper studied the range conditions of the side length and vertical angle when the method was used,and verified the feasibility of replacing grade leveling with the method of setting station between two points.The paper provides a feasible method for replacing graded leveling in areas with medium access difficulty and major elevation changes.

关 键 词：三角高程测量 隔点设站法 精度估算 

分 类 号：TV221.1[水利工程—水工结构工程]