Abstract: This paper discusses the method of making accidental error by Montcaro.The result what accident error of simulates attend in adjustment is consistent with result of error transmit law.It is determination feasibility of Montcaro.

Key words: bridge network, optimization design, accidental error

摘要： 笔者讨论了蒙特卡罗法生成偶然误差的原理,并用模拟的偶然误差参于大地四边形平差计算,其结果与误差传播定律一致,从而验证了蒙特卡罗法用于大地四边形模拟计算的可行性,为大地四边形的优化提供了一种可行的有效方法

关键词: 桥梁控制网, 优化设计, 偶然误差