淮南矿务局望峰岗选煤厂主厂房，是建于1958年的钢筋混凝土无外饰框架结构，混凝土的设计标号是170号。1992年，发现该工程的框架梁柱上多处出现破坏，呈点状、片状和条状爆裂，混凝土块自然掉落，破坏处均有锈蚀钢筋外露，个别处柱箍筋已锈断，受力筋受损严重，已危及生产安全 The main plant of the Wangfenggang Coal Preparation Plant of the Huainan Coal Mining Bureau is a reinforced concrete non-exterior frame structure built in 1958. The concrete design number is No. 170. In 1992, it was found that the frame of the project was damaged in many places, with spots, sheets, and strips bursting, and the concrete blocks were naturally dropped. The corroded steel bars were exposed at the damaged parts, and the stirrups at individual posts were rusted. Severely damaged ribs have jeopardized production safety