桥梁控制网的优化设计

摘要

The main task of measuring is setting out the precise location of the bridge and it' s various structures In bridge construction. The High - speed railway provides a stable and smooth foundation for the trains, It puts a higher demand to the bridge, so we should establish a high - precision bridge control network . we use a section of Beijing - Shanghai High - Speed Rail as a example to research the method to establish a bridge control network, then optimize the initial bridge control network finally, we included that in high -precision engineering, it is necessary to optimize the control network.%在桥梁建设中,测量工作的主要任务是精确地放样桥墩桥台的位置和跨越结构的各个部分.高速铁路为列车的高速行驶提供一个高平顺性和高稳定性的轨下基础,这对高速铁路中的桥梁提出了更高的要求.为此需建立较高精度的桥梁施工控制网.本文以京沪高铁泰安凤凰台段一桥梁为例,研究建立桥梁控制网的方法,并对初步建立的桥梁控制网进行优化.认为在高精度的工程控制网设计时,有必要对控制网进行优化,以减少建网费用.