在酷寒区域,工程中运用土工膜应充分考虑其易脆断的特点,确保建筑物安全运行.一般土工组成资料耐低可达(-45±2)℃,新疆区域最冷气温一般在-32℃左右,土工膜在不受扰动的情况下能够满足耐低温及防脆断要求.据实验室测定,土工膜在-5℃以下塑性消失,脆性添加,资料表现出被扰动后易开裂的特性.

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