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结合某办公楼的工程概况,分析了该建筑物的现状与表观质量缺陷,并采用钻芯取样法,检测了混凝土的强度,对其结构构件与子单元的正常使用性作了鉴定评级,为该办公楼的改造加固设计提供了依据。
Combined with the general situation of an office building, the status quo and apparent quality defects of the building were analyzed. The core sampling method was used to test the strength of the concrete, and the normal usability of its structural components and subunits was evaluated. For the renovation of the office building designed to provide a basis.