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卡尼法是近世出现的刚构计算方法。它是变形法的发展,采用内力连续迭代,逐次逼近。它不是近似法,只要逼近次数足够,可以达到任意理想的精确度。此法十分简便,能克服用力矩分配法计算刚构的繁冗,能自动除误,便于校核、因而博得学术和工程界的高度赞誉和广泛采用。卡尼方法有很多专著介绍,兹不赘述。本文仅就一些书籍中未曾详尽介绍,但确实又在实际运用中常常感到不足的问題简要的介绍,重点是卡尼法在起重机结构计算中的几例应用。我们也是初学试用,一定会有很多错误,希望同志们批评指正。
Carney method appears in recent years rigid frame calculation method. It is the development of deformation method, using continuous internal force iteration, successive approximation. It is not an approximation and as long as the number of approximations is sufficient, any desired accuracy can be achieved. This method is very simple, can overcome the torque distribution method to calculate the complexity of rigid structure, can automatically remove errors, easy to check, which won the academic and engineering community highly acclaimed and widely used. There are many monographs on the Kani method, so I will not go into details. This article is only a brief introduction to the problems that are not described in detail in some books but do not always feel sufficient in practical application. The emphasis is on the application of Karnain in the structural calculation of cranes. We are also a beginner’s test. There are bound to be many mistakes. We hope that comrades will criticize and correct them.