论文部分内容阅读
前言 Φ5.2M玻璃钢半圆顶(以下简称半圆顶)是我国首次兴建的“中华人民共和国大地原点”工程的一个半球屋顶。半圆顶平时盖着保护室内测量仪器,测量时半圆顶能自由翻转,翻转角度从0°到150°。整个半圆顶除了连接件用金属件而外,其余结构材料都用玻璃钢制造而成。 半圆顶于1980年年底正式安装在陕西省泾阳县“中华人民共和国大地原点”基地,安装
Preface Φ5.2M FRP Half Dome (hereinafter referred to as the Half Dome) is a hemispherical roof of “the origin of the Earth of the People’s Republic of China” first constructed in our country. Semi-dome usually covered with protection of indoor measuring instruments, semi-dome measurements can be freely flip, flip angle from 0 ° to 150 °. In addition to the entire half-dome connector with metal parts, the other structural materials are made of glass fiber reinforced plastic. Dome at the end of 1980 was officially installed in Jingyang County, Shaanxi Province, “People’s Republic of China origin” base, installation