求翻译：【摘要】：高原高寒高速铁路隧道防冻胀害施工技术是一门新型技术，在以往的高海拔隧道中施工中很难解决此问题，本文就高寒地区隧道冻胀害产生的机理及预防措施进行了技术探讨，尤其是对防水、泄水及保温措施及施工工艺要求的非常严格；此技术在大坂山隧道得到成功应用，各项指标都在控制范围之内，值得推广及参考借鉴。是什么意思？

"Summary": plateau Alpine high speed railway tunnel antifreeze expansion damage construction technology is a door new technology, in past of high altitude tunnel in the construction in the is difficult to resolve this problem, this article on Alpine area tunnel frozen expansion damage produced of me

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