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两个构造体系的联合,实质上就是两个构造体系所代表的构造力联合作用。其结果是形成一种统一的、不可分的、新类型的构造体系,即联合构造体系。如果把反映简单构造力(简单拉力、压力或扭力)的构造体系叫做“基本构造体系”或“单式构造体系”,那么,反映复杂构造力(两种或两种以上的不同方向或不同方式的构造力同时同地联合作用)的构造体系就是“联合构造体系”或“复式构造体系”。从力学成因上说,它们是构造体系的两大类型。
The union of two structural systems is essentially the joint force of structural forces represented by the two structural systems. The result is the formation of a unified, indivisible, new type of construction system, namely a joint construction system. If the construction system that reflects the simple structural force (simple tension, pressure or torsion) is called the “basic construction system” or the “monostructured construction system”, the complex constructional force (two or more different directions or different ways The tectonic force at the same time combined with the role of the same) system is the “joint system” or “double system.” Mechanistically, they are the two major types of structural systems.