This paper introduces the application of the backfill grouting technique to block up the branch tunnel, the corresponding technology, technique request and result evaluation are given.

文章介绍了回填灌浆技术在支洞封堵中的应用，支洞回填灌浆的施工工艺、技术要求以及效果评价。

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Set up a new branch (1962), Mechanics of Underground Structure Engineering in the field of Tunnel and Underground Structure.

在隧道与地下结构学术领域开拓并建立了新的学科分支(1962)——地下结构工程力学。

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Turning or branch of cable inside tunnel;

隧道内电缆转向或分支处；

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The 17-mile (26km) route will follow an old Great Western Railway branch line through a tunnel at Grenofen built by Isambard Kingdom Brunel.

BBC: Grenofen tunnel

The Rail Accident Investigation Branch (RAIB) said the broken sections were part of an auger drill that had "penetrated the tunnel lining before falling on to the track".

BBC: Construction drill came from site above rail tunnel