With the rapid development of the global economic construction, the utilization of the underground space has become a significant research topic in academic field. 随着全球经济建设的快速发展,地下空间的利用已经成为学术界重要的研究课题。
Madrid : a Global Example of the Development of Safe and Efficient Underground Urban Road and Rail Infrastructures 马德里:城市地下公路与铁路基础设施安全高效发展的全球典范
With the global resource shortage and enviroment deterioration, the development and utilization of underground space has been put on a very important position, and the scope of engineering construction has been extending. 伴随着全球资源短缺和环境恶化,地下空间的开发和利用以被提及极为重要的地位,地下工程实践活动的规模也在日益壮大;
The factors which affect ground subsidence are as follows : neotectonic movement, global sea level rising, natural soft soil foundation subsidence, excess underground liquid pumping, local subsidence resulting from building operation, etc. 影响沿海地区地面沉降的因素有新构造运动、全球海平面上升、软土地基自然沉降、过量抽取地下流体以及建筑施工造成的局部沉降等。
In recent years, global energy crisis is aggravated, more rock salt mines have been used for underground storage of national strategy energy. 近年来,全球能源危机日益严重,岩盐矿藏更多地被各国用于进行国家战略能源地下储存。