倒塌过程与整体结构体系关系紧密，因而数值模拟成为研究倒塌的主要手段。
The collapse process highly depends on the whole structural system, numerical simulation becomes a major method to study it.
本文在前人研究的基础上进行了预应力索桁架点式玻璃幕墙整体结构体系的动力响应分析。
This text has done the dynamic analysis of the whole curtain wall structure system on the basis of the forefathers' studys.
结果表明，当受火区域面积不大时，混凝土剥落对整体结构体系的抗连续倒塌能力影响有限。
The result indicates that the influence of spalling is unremarkable on collapse resistance of the whole structure when fire area is small.
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