黄河小浪底工程孔板洞弯曲渐变段的放样方法  

Setting out Method of Orifice Plate Opening Gradual Bending Sector in Yellow River Xiaolangdi Project

作　　者：岳计林[1] 

机构地区：[1]中国煤炭地质总局第一勘探局119勘探队,河北邯郸056004

出　　处：《中国煤炭地质》2008年第B09期54-55,共2页Coal Geology of China

摘　　要：通过分析小浪底工程孔板洞下弯段圆心以及各断面半径的变化规律,建立了弯曲段数学模型,编写了卡西欧fx-4500p计算程序,计算出断面理论点半径和断面实测点半径的差距,进而探讨了利用电子全站仪指挥棱镜移动就位进行渐变段施工放样的新方法。After analyzed the variation pattern of orifice plate opening bending sector center of circle and radius of each section in Xiaolangdi project, have established bending sector mathematical model, programmed Casio FX-4500p computational procedure and calculated the difference between section theoretical radius and measured radius. Then proceed to discuss a new method of gradual bending sector construction setting out through electronic total station directed prism moving.

关 键 词：施工放样 孔板洞 下弯段 渐变段 小浪底工程 

分 类 号：TV551[水利工程—水利水电工程] O242[理学—计算数学]