A large number of experimented researches and earthquake indicate that most damages belong to the areas of plasticity hinge of piers in server earthquake, because piers lack curve ductility.
大量的试验研究和地震震害表明，在强烈地震作用下，桥梁墩柱的塑性铰区域遭到破坏较多，是由于墩柱的弯曲延性不足而导致。
Steel ratio is one of the most important factors affecting the ductility of concrete-filled steel tubular frames.
含钢率是影响钢管混凝土框架结构延性的重要因素。
AZ31 magnesium alloy, one of the most widely used commercial deforming magnesium alloys, has good strength and ductility as well.
AZ 31镁合金具有良好的延展率和较高强度，是目前商业化应用最广的变形镁合金。
AZ31 magnesium alloy, one of the most widely used commercial deforming magnesium alloys, has good strength and ductility as well.
AZ 31镁合金具有良好的延展率和较高强度，是目前商业化应用最广的变形镁合金。
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