This paper analyzed the aging of concrete DAMS and evaluated dam safety, for reference.
本文对混凝土坝老化现象进行分析，并对其安全评价进行探讨。
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。
The aging of concrete dam located on the regions with cold climate is characterized by resorption, destroyed by freeze-thaw and frozen-heave, scouring and etc. , but the carbonized depth is low.
寒冷地区混凝土坝老化主要表现在溶蚀、冻融和冻胀破坏、冲刷破坏等，其碳化深度不大。
The aim of this paper is to give a simulation of creep and relaxation laws of concrete with aging by using standard-linear-like body with fractional order derivatives.
本文的目的是采用含分数阶导数的类标准线性体来模拟考虑老化的混凝土的蠕变和松弛规律。
The practice has shown that the dam body should be covered by concrete outside followed by the steps of anti-seepage and drainage in order to prevent and prolong concrete dam aging.
工程实践表明，为防止或延缓混凝土坝的老化，在外包混凝土的同时必须采取防渗和排水措施。
On this basis, it mainly studies Hot In-Place recycling of asphalt Concrete (HIPR) and puts forward the method of asphalt recycling through the analysis of asphalt aging and recycling mechanism.
在此基础上，通过对沥青老化过程和再生机理的分析，提出了沥青再生的方法。
On this basis, it mainly studies Hot In-Place recycling of asphalt Concrete (HIPR) and puts forward the method of asphalt recycling through the analysis of asphalt aging and recycling mechanism.
在此基础上，通过对沥青老化过程和再生机理的分析，提出了沥青再生的方法。
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