薄壁圆筒形压力容器是工程中广泛应用的一种器件,诸如各种气瓶、贮槽、管道以及锅炉机组中的许多受压元件等。为了确保其运行中的安全性,有关检验标准往往规定对这些容器必须进行水压试验,并采用电阻应变测量法测定有关部位的主应力值,从而确定工作压力,检验工艺质量以及改进设计。因此,必须首先测定材料弹性常数,即弹性模量E和泊 Thin-walled cylindrical pressure vessels are a widely used device in engineering, such as various gas cylinders, tanks, pipes, and many compression elements in boiler units and the like. In order to ensure the safety during operation, the inspection standards usually require that these containers be hydrostatically tested, and the principal stress values ​​of the relevant parts should be determined by resistance strain measurement to determine the working pressure, test the quality of the process and improve the design. Therefore, you must first determine the material elastic constants, namely the elastic modulus E and poise