Author USES SAP90 program to analyze the force in inclined leg section Change rigid frame in this paper.
本文论述了采用SAP90程序对斜腿变截面刚架的受力分析。
The effects of rigid polymers (PMMA, SAN) on the mechanical properties, impact section morphology and rheological behavior of PVC/CPE blends were studied.
研究了刚性聚合物（PMMA、SAN）对PVC/CPE共混体力学性能、冲击断面形貌及流变性的影响。
The Y-type rigid frame has diverse section and high percentage of reinforcement, moreover, the concrete is required high strength, big volume, and long distance for pumping.
该Y型刚构为变截面结构，配筋密集，混凝土强度等级高、体积大、输送距离长。
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