如何科学应对塌方--杨远锋的博客

如何科学应对塌方

[ 2011-5-26 13:02:00 | By: 杨远锋 ]

夏季雨水偏多，容易发生建筑物坍塌事故。为避免灾难重演，专家提醒读者注意三点：
    塌方前的征兆：建筑物产生纵横向的裂纹或龟裂。在坑顶或坑壁发现不断掉下土块、小石块或构件支撑间隙不断变大、张开；岩层的原理、节理缝或裂隙变大、张开。支撑梁、柱变形或折断，楔子压扁劈，填塞木弯曲折断，扒钉受力变形，木支撑发出“劈啪”破裂声。
    预防塌方的施工措施：隧道施工预防塌方首先是要做好地质超前预报，选择安全合理的施工方法和措施。对于稳定性比较差的围岩，在雨季要按照“截、排、堵”原则解决好排水问题，而且要及时喷混凝土封闭掌子面，确保隧道施工安全。
    塌方后急救的注意事项：挖
出伤员注意不要让其再度受伤，动作要轻、准、快。如全部被埋应尽快将伤者的头部首先暴露出来，清理口鼻泥土砂石、血块，松解衣带，以利呼吸。使伤员平卧，头偏向一侧，防止误服呕吐物；伤口出血时应用布条止血和净水冲洗伤口，用干净毛巾包扎好以防感染。

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原创

[ 2016-9-6 17:13:12 | By: 原创(游客) ]

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原创

[ 2016-9-28 16:48:57 | By: 原创(游客) ]

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原创

[ 2016-9-30 11:25:34 | By: 原创(游客) ]

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Re:在漫画中识别身边的违章

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Re:在漫画中识别身边的违章

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Re:在漫画中识别身边的违章

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