Tunnel construction in hydro projects: the use of TBMs

R. Grandori

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Tunnel construction in hydro projects: the use of TBMs

机译：水利工程中的隧道建设：TBM的使用

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The development in TBM technology over the past 50 years has greatly influenced the design and feasibility of hydro plants. In the 1960s, hard rock gripper-type TBMs contributed to shortening the construction time of long tunnels, excavated mainly in good rock. In the early 1970s, Double shield TBMs were made for the first time, making it possible to install a precast final lining while excavating, and to bore through a wider range of geological formations and conditions. Recently, market demands on tunnels have increased, and completion times for hydro plants have been further reduced to shorten the investment repayment period. The TBM industry has responded by introducing more innovations and new types of TBM.

机译：过去50年来，TBM技术的发展极大地影响了水力发电厂的设计和可行性。在1960年代，硬岩抓斗式TBM缩短了长隧道的施工时间，而长隧道主要在优质岩石中开挖。 1970年代初，首次制造了双盾TBM，这使得在挖掘过程中安装预制的最终衬砌成为可能，并且可以钻穿更广泛的地质构造和条件。近来，对隧道的市场需求增加，并且水力发电厂的完工时间进一步缩短，以缩短投资回收期。 TBM行业通过引入更多创新和新型TBM做出了回应。

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《International Journal on Hydropower & Dams》 |2007年第6期|p.85-88|共4页
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R. Grandori;
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正文语种 eng
中图分类发电、发电厂;
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Tunnel construction in hydro projects: the use of TBMs

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