Recently, Steve Cummer, Associate Professor of Electrical and Computer Engineering at Duke University announced that it is theoretically possible to create such a sound shield.
近日，杜克大学电子信息工程学院副教授SteveCummer声称，从理论上这种声音屏障是可造的。
But the poor geological adaptability, construction may face some problem, this paper discussed with an engineering example of shield method in urban subway construction strategies of the special area.
但其地质适应性太差，施工时会面临一些难题，本文结合工程实例探讨了盾构法在城市地铁特殊地段的施工对策。
Shield tunnelling through a mix ground has been always one of hard points annoying much the underground engineering community.
复合地层的盾构施工一直是困扰地下工程的难题之一。
Conservatory measures of three-tube parallel shield tunnel of subway approaching constructed in Mollisol have been brought forward, which have some reference value to the same kind of engineering.
提出了软土地铁三管并行盾构隧道近接施工的一些防护控制措施，对于同类的工程具有一定的参考价值。
The interval shield tunnel of Urban transit line 11 in Shanghai is situated closely under the group piles of the National Key Laboratory for Ocean Engineering of Shanghai Jiaotong University.
拟建的上海市轨道交通11号线区间盾构隧道近距离下穿交大海洋重点工程实验室群桩基础。
The ballistic limit equations, design equations, and application techniques applicable for the multilayer shock shield were summarized from the view of engineering application.
从工程应用角度，总结了适合于多层冲击防护结构的弹道极限方程、设计方程和应用技术。
Shield machine is a large mechanical device that is widely used in the construction of tunnel engineering such as subway, railway, roadway, city infrastructure, and water and electricity utility.
盾构掘进机是一种广泛应用于地铁、铁路、公路、市政、水电等隧道工程施工的大型机械设备。
Shield tunnel is an attractive excavation method in the construction of municipal underground engineering.
盾构法隧道施工在城市地下工程建设中有着广泛的应用前景。
Considering the present situation of shield tunneling on Beijing metro, the paper describes the construction stage division and the main points of engineering quality control for shield tunneling.
结合北京市地铁隧道盾构法施工的现状，对施工阶段的划分及各阶段的质量管理与控制要点进行阐述。
Soil pressure control is one of the most important technology of pipe pushing engineering with earth balance shield machine.
土压平衡式顶管掘进机机头泥土仓土压力控制是顶管工程中最关键的技术之一。
The shield tunnel be abroad application in the subway engineering in China by it's advantage of superior quality, construction safety, building speediness, small effect to environment etc.
盾构法施工以其质量好、施工安全、掘进快速、对环境影响小等优点，在我国地下铁道工程中得到广泛应用。
The shield driving method has been one of the main construction methods in the metro engineering of our country.
盾构法已经成为我国地铁工程中一种重要的施工方法。
With the superiority of technology and economy, EPB shield machine has been in the overwhelming dominance and become the mainstream in construction technology of urban underground engineering field.
而其中土压平衡式盾构机(epb)又以其技术及经济上的优越性，在盾构施工法中占有绝对的优势地位，成为城市地下工程施工技术的主流。
With the superiority of technology and economy, EPB shield machine has been in the overwhelming dominance and become the mainstream in construction technology of urban underground engineering field.
而其中土压平衡式盾构机(epb)又以其技术及经济上的优越性，在盾构施工法中占有绝对的优势地位，成为城市地下工程施工技术的主流。
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