Initial prestress, length of free-segment of anchor cable and the load value determine contribution value and action occasion of the anchor cable and tunnel anchorage.
岩锚初始预应力、自由段长度、外部荷载量值控制着锚索及锚碇在锚碇系统中参与的荷载贡献值和作用时机。
The purpose of this paper is to investigate characters, initial prestress distribution and its quick calculation method of Geiger dome with outer truss torus.
目的研究具有外环桁架的肋环型索穹顶的构件布置和特点，提出确定初始预应力分布的快速计算法。
The calculating of initial prestress distribution is basic and important for analyzing of double-layer cable structure.
初始预应力分布的计算是双层索结构受力分析的基础。
Taking the minimum initial-strain of the structure as the objective function of the optimal prestress design and the minimum light of the structure as the.
以初始应变能最小为预应力优化目标和重量最轻为截面优化目标进行了优化设计，获得了合理的初始预应力分布和截面大小。
During determining the initial prestress of the steel cable, such matters as the whole response of the structure, the deformation limit and economical efficiency etc. must be considered.
拉索预应力的取值要综合考虑结构的整体反应、变形要求和经济性等因素。
The analysis results indicate that initial prestress can affect the peak value of the interfacial stresses.
研究结果表明，初始预应力对界面应力最大值有较大影响。
The analysis results indicate that initial prestress can affect the peak value of the interfacial stresses.
研究结果表明，初始预应力对界面应力最大值有较大影响。
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