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并对新老混凝土粘结面冻融损伤机理进行了探讨。
The freezing deteriorate mechanism of concrete itself and adherence of new-old concrete were discussed.
给出了沟槽式新老混凝土粘结的设计思路，并且应用于实际工程。
The design method of new to old concrete with cutting groove is given, and this is applied to the project strengthening.
从应力分析角度研究在劈拉荷载作用下，新老混凝土粘结的应力分布规律。
The stress distribution law of adherence of young on old concrete under splitting-tension load is studied as viewed from stress analysis.
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