基于对模拟机理的认识，异型尖劈上部形状有助于模拟大比例模型试验要求的湍流风场。
Based on the knowledge of the mechanism, an improved spire shape has been proposed to simulate the required turbulence profiles for rather large scaled model tests.
通过两个大比例模型试验，研究了单拱面预应力混凝土系杆拱桥面内、面外稳定极限承载力及其影响因素。
Through two great model tests, this paper investigates the ultimate bearing capacity and its influence factor of the inside and outside face of prestressed concrete tied arch bridge with single arch.
为了降低缩尺模型对研究结果的不利影响，本试验设计采用了1：2的比例，模型试验在西南交通大学结构试验中心进行。
In order to decrease the adverse effect on the testing result from the reduced-scale model, this experiment adopts the proportion of 1:2 to carry out in the structure experimental centre of SWJTU.
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