介绍了导致软式索具老化的主要环境因素和机理，采用4种环境试验对系留气球软式索具进行了抗老化性能研究。通过测量试样试验后的断裂强力，计算试件断裂强力下降率，评定了软式索具的抗老化性能，确定了软式索具对环境影响因素的敏感顺序。% The main environmental factors and mechanism of soft rigging ageing were introduced. The ageing resistant properties of the soft rigging were studied through four kinds of environment tests. The breaking strength of the soft rigging was measured to calculate the breaking strength declining rate after aging tests. The ageing resistant properties and the environment sensitivity of soft rigging were evaluated by the breaking strength declining rate.
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