With the increases of the span length and the complexity of the structural style, the research on the construction control technology of such structure is becoming more and more important.
随着对斜拉桥跨径的增大的要求以及复杂多变的结构形式的应用，斜拉桥施工控制技术的研究愈发显得迫切和重要。
The large-scale model testing is one of the important methods to research style of structural internal force and stability of surrounding rock in double-arch tunnel.
利用地质力学模型试验方法，对上述两个问题进行了探讨，给出了确定开挖松弛区范围的方法，以及顺层岩质边坡的边坡走向与岩层走向夹角的上限值。
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