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中文摘要：
选取25％和75％两种应力水平，对放置在室内、阳光照射、户外自然环境和土壤中的木塑地板，进行疲劳／蠕变性能研究。结果表明：相同的加栽方式，户外自然环境对材料疲劳／蠕变性能影响最大，其次是阳光照射，最后是土壤；25％应力水平作用后，室内环境中材料的剩余强度保留率最大，其次是土壤掩埋，最后是户外自然和阳光环境。
英文摘要：
Under 25% or 75% stress levels, wood-plastic floorings were evaluated for their creep and fatigue behavior after being subjected for two months to four different conditions （room temperature, sunshine, outdoor natural （dry and wet）, and soil isolated from oxygen）. It was found that the environmental conditions had considerable effect on the fatigue and creep behaviors of the specimens. Under the same stress level, conditioning at the outdoors natural location had the greatest effect on both fatigue and creep performance of the specimens while the room condition exhibited the least impact. Testing at the 25% stress level gave the following results： the average residual flexural strength of the specimens conditioned at room temperature was 94.2%-97.3% of the bending strength of the control specimens, 93. 1%-95.1% when conditioned in the soil, and 71.9%%84.5%when conditioned in the outdoors natural and sunshine locations.
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