一、引言用脆性应力涂层法来测定结构物或模型表面的应力,早已被广泛采用了。这种试验方法的优点是测试方便,结果的直观性强。本文用脆性应力涂层进行了方栅孔板条的纯弯试验和简支方栅圆孔圆板的受均布压力的试验。试验的目的,是为了求得孔边的最大应力值和了解 I. INTRODUCTION The use of brittle stress coating methods to determine the stress of a structure or model surface has long been widely adopted. The advantage of this test method is that the test is convenient and the result is intuitive. In this paper, the pure bending test of the square grid plate and the uniform distribution pressure test of the simple grid circular plate were carried out with the brittle stress coating. The purpose of the test is to obtain the maximum stress value of the hole and to understand