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樂(lè )山大佛本體已全遮蔽胸腹開(kāi)裂病害原因基本查明

2018-12-14 10:10來(lái)源：中國青年網(wǎng)

　　據大佛體檢項目負責人、中鐵西北科學(xué)研究院文保中心副主任孫博介紹說(shuō)：主要是前期修繕材料出現耐久性問(wèn)題，造成胸腹部起鼓、開(kāi)裂、剝落。因為大佛主體結構從上到下整體是砂巖結構，但不同的砂巖層之間又有30厘米至50厘米厚的泥巖夾層，泥巖則相對較弱，那么泥巖夾層就變成了相對的隔水層。

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[責任編輯：李曉蕾]

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