清华大学合肥公共安全研究院科研人员勘察应用现场。清华大学合肥公共安全研究院供图 城市更新，如何既能挖掘城市发展所需的宝贵空间，又能改善老建筑的功能环境？文脉赓续，如何 在保护城市古建筑传统风貌的同时，让其焕发出新的生机与活力？守住城市安全底线，城市发展过程中 的安全问题该怎样应对解决？在上海、合肥、拉萨等地，科技的创新应用，正在探索提供更加便捷和高 效的解决方案。 ——编 者 同步实现历史建筑保护与空间开发利用—— 数千吨的石库门建筑腾挪移动，又毫发无损地"归位" 雨后初晴，上海张园的石库门建筑群清丽雅致，老居民们发现，一年前被"移走"的"90多岁"华严里 建筑群，毫发无损地"归位"了。 为何要挪房子？ "在保护建筑的大前提下挪房子，能挖掘城市发展所需的宝贵空间，还能改善老建筑的功能环 境。"步进式自行走建筑移位装置主要发明人、同济大学建筑物移位技术研究中心副主任卢文胜说，比 如上海音乐厅，毗邻城市主要交通线，人来车往的噪声和振动严重影响其音质效果，通过平移、顶升、 增加地下室及功能空间，让"80多岁"的老音乐厅焕发新生。 老建筑移位有多难？ 科技装置助力石库门建筑群成功"归位"。周江坤摄 "这就像把一块老豆 ...

Urban Renewal and Historical Building Protection - The article discusses the challenges and innovations in urban renewal, focusing on the balance between space development and the preservation of historical buildings [1][4] - In Shanghai, the innovative "stepping walking" technology allows for the safe relocation of historical buildings, such as the 90-year-old Huayanli building, without damage [2][3] - The technology enhances safety margins, increases construction efficiency, and reduces costs compared to traditional methods [2][3] Technological Applications in Historical Preservation - The use of 3D scanning and drone photography provides precise data for the restoration of ancient buildings, ensuring scientific and accurate progress in preservation efforts [4] - In Lhasa's Barkhor Ancient City, over 1,300 buildings are preserved while integrating modern amenities, showcasing a blend of tradition and contemporary living [4][5] Safety Measures in Urban Infrastructure - In Hefei, the installation of gas leak alarms in commercial establishments enhances safety by automatically shutting off gas valves and notifying owners in case of leaks [6][7] - The Hefei city infrastructure safety project aims to address urban safety needs through a comprehensive monitoring network, utilizing advanced technologies for disaster prediction and response [7][8]