In a lot of tunnel's close construction, besides the static influence for the stress re-distribution by the reason of excavating tunnels, it must consider the vibration effect with which using the boring and blasting method in rock.
在大量的隧道近接施工中,除了由于隧道开挖引起应力重分布而带来的静力影响外,在岩石中利用钻爆法施工隧道而带来的振动效应也是必须考虑的因素。
参考来源 - 内昆铁路盐津1号隧道下穿楼房近接施工爆破控制技术研究·2,447,543篇论文数据,部分数据来源于NoteExpress
Though it doesn't come close to the emphasis on - big surprise - continued, massive infrastructure construction.
尽管这并没有达到巨大惊喜的水平,随之而来的是大规模的基础设施建设。
Over the last decade, Bank financing supported construction of close to 300 thousand km of roads and 13,000 Bridges, benefiting over 75 million people.
过去十年来,世行资金支持了近30万公里的道路和13,000座桥梁的建设,受益人口超过了7500万。
None of the Shanghai structures gets close in height to a tower in the United Arab Emirates called Burj Dubai that even amid construction has already stretched to 688 meters.
上海还没有哪座建筑能在高度上接近阿联酋的迪拜塔,这座超级建筑尚未完工,高度就已经达到了688米。
One of them was that the U.S. Government had shut down the construction industry during the war, so they didn't build any houses for close to five years; obviously we had a shortage of housing.
其一就是美国政府在战争时期,停止了建筑行业,那时他们已经快五年没有建造任何房屋了,显然,房屋资源是短缺的
应用推荐