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本文介绍了能够计算在任意荷载作用下梁的固端弯短的电模拟计算机。本计算机利用了克希荷夫第一定律及电学力学间的比拟关系，解决了多种荷载作用下固端弯短自动叠加问题。计算机可以一次计算出梁同时在多个集中荷载，均匀分布荷载、部分跨度内的均布荷载和三角形分布荷载作用下的固端弯矩。使用结果证明计算机误差在２％以内。利用此计算机线路原理，可制成土方量计算机，荷载累加计算机及简支梁跨中弯矩计算机。文内列举了例子。
This paper presents an electrical simulation computer that can calculate the bending of the fixed end of a beam under arbitrary loading. This computer utilizes the analogy between the first law of Kirchhoff and the electrical mechanics to solve the problem of automatic superposition of fixed end bends under various loads. The computer can calculate once the beam at multiple concentrated loads, uniformly distributed loads, uniformly distributed loads within a certain span, and fixed-end bending moments under the action of triangular distributed loads. The results show that the computer error is within 2%. Using this computer circuit principle, earthwork volume computers, load accumulation computers and simply-supported beam mid-span bending moment computers can be made. The article lists examples.