The aging of concrete DAMS is manifested by surface carbonization, freeze-thaw, abrasion, weathering, internal corrosion, frost-heaving, cracks, water erosion and et al.
混凝土坝老化表现在表层碳化、冻融、风化、内部溶蚀、冻胀、裂缝发育以及体积改变等。
According to the classification, we can supervise the aging experiment under nature weathering and investigate the effects of the weathering on the properties of materials.
可以依据上述各站点的主要自然环境影响因素指导环境试验，研究不同环境因素对材料性能的影响。
Artificial weathering test shows that 6911 has better long term anti aging performances than that of BW 10ld and 944.
人工加速试验表明，6 911型光稳定剂与BW10ld和944相比，具有更为优异的长期防老化性能。
Artificial weathering test shows that 6911 has better long term anti aging performances than that of BW 10ld and 944.
人工加速试验表明，6 911型光稳定剂与BW10ld和944相比，具有更为优异的长期防老化性能。
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