某高速公路隧道的爆破振动对邻近民房开裂的影响分析  

Highway Tunnel Blasting Vibrations and Cracking of Adjacent Residential Houses

作　　者：邓涛[1] 金一平[1] 吴培贵 魏雯[1] 曹洋[1] DENG Tao;JIN Yiping;WU Peigui;WEI Wen;CAO Yang(College of Civil Engineering of Fuzhou University, Fuzhou 350108)

机构地区：[1]福州大学土木工程学院,福州350108

出　　处：《现代隧道技术》2018年第3期69-75,共7页Modern Tunnelling Technology

基　　金：国家自然科学基金(51008082)

摘　　要：文章以某高速公路隧道施工爆破振动导致邻近房屋开裂的评估工程为依托,通过爆破期间对邻近典型房屋的爆破振速测试、房屋裂缝的形态分析、性状监测和屋顶墙体温度应力计算等方法,对房屋裂缝成因进行了系统地分析和讨论。研究结果表明:该隧道邻近房屋的裂缝主要由温度变形引起,爆破施工不是邻近房屋产生裂缝的主要原因。A systematic analysis and discussion of the causes of house cracking are conducted by testing the blastvibration velocity of typical neighboring houses, analyzing the types of house cracking, monitoring the characteris-tics of house cracks and calculating the temperature stress at the roof and wall based on an assessment of highwaytunnel blasting vibrations leading to cracking of neighboring houses. The results show that the main cause of housecracking adjacent to the tunnel is temperature stress, not blasting vibration.

关 键 词：公路隧道 爆破振速 邻近民房 裂缝 温度应力 

分 类 号：U455.6[建筑科学—桥梁与隧道工程]