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针对中国《钢结构设计规范》中对螺栓最小容许距离的规定与德国规范不同,选择普通螺栓连接的连接板作为研究对象,对比两国规范规定的效果差异;选择多种栓距进行拉伸对比分析,利用大型通用软件ANSYS对两国规范容许的最小距离即3倍和3.5倍螺栓孔径栓距的试件进行对比,分析两者的应力分布规律,并对两国容许栓距范围内的栓距进行研究。结果表明:栓距增大,试件的弹性极限和屈服极限承载力有所提高,在德国规范下试件承载力有所提高,结构更加稳定。
In view of the stipulation of the minimum allowable bolt distance in China’s “Code for Design of Steel Structures”, which is different from the German standard, the ordinary bolted connecting plate is selected as the research object to compare the effect differences stipulated by the two countries’ norms; Analysis and comparison of the specimen with 3 times and 3.5 times the bolt hole bolt spacing allowed by the two countries norms using the large common software ANSYS to analyze the stress distribution law between the two and to allow the bolt Research distance. The results show that the increase of the bolt plugging distance increases the elastic limit and the ultimate yield strength of the test piece. The bearing capacity of the test piece is improved under the German standard and the structure is more stable.