Cross passage construction complete on HS2’s Northolt Tunnel in London
Cross passage construction complete on HS2’s Northolt Tunnel in London
3 周前
hs2.org.uk
A hidden stone passage in China holds towering carved figures
5:02
A hidden stone passage in China holds towering carved figures
1 个月前
MSNTime Walker
HS2 completes Northolt Tunnel cross passages
HS2 completes Northolt Tunnel cross passages
3 周前
concreteconnect.co.uk
In our live Q&A session, tunnelling expert Paul Thomas discussed the cross passages that are currently being constructed on the Metro Tunnel. Watch and learn about the 26 cross passages that serve as an important safety feature by allowing people (including emergency services) to move from one tunnel to the other in the event of an emergency. The cross passages are constructed using traditional mining techniques to connect the two tunnels. This involves saw cutting through the tunnel lining segm
1:26
In our live Q&A session, tunnelling expert Paul Thomas discussed the cross passages that are currently being constructed on the Metro Tunnel. Watch and learn about the 26 cross passages that serve as an important safety feature by allowing people (including emergency services) to move from one tunnel to the other in the event of an emergency. The cross passages are constructed using traditional mining techniques to connect the two tunnels. This involves saw cutting through the tunnel lining segm
已浏览 2070 次2020年10月6日
FacebookMetro Tunnel
Criss-Cross Passage Check out the cross passage between the two West Gate Tunnels. There are 21 cross passages in total, separated every 120 metres. This is a standard safety feature to provide emergency access. | West Gate Tunnel Project
0:15
Criss-Cross Passage Check out the cross passage between the two West Gate Tunnels. There are 21 cross passages in total, separated every 120 metres. This is a standard safety feature to provide emergency access. | West Gate Tunnel Project
已浏览 3057 次2024年8月7日
FacebookWest Gate Tunnel Project
Inside London’s deepest HS2 tunnel: 34 hidden passages revealed
2:23
Inside London’s deepest HS2 tunnel: 34 hidden passages revealed
已浏览 1.5万 次3 周前
YouTubeHS2 Ltd
Advin Gastric Balloon Retrieval Device | Intragastric Balloon Retrieval | Gastric Balloon Removal
2:24
Advin Gastric Balloon Retrieval Device | Intragastric Balloon Retrieval | Gastric Balloon Removal
已浏览 29 次5 个月之前
YouTubeAdvin Health Care
5:02
EQUATOR CROSSING || CEREMONY ||
已浏览 891 次2020年3月23日
YouTubeSkilled Mariner
53:04
Atlantic Crossing Guide
已浏览 40.1万 次2020年12月12日
YouTubeSailing Gently
3:01
VW Aerial Antenna Removal Simple, Easy, Steps
已浏览 49.5万 次2014年5月5日
YouTubeBMAC VAGS
10:41
How to Ride a Motorcycle Fast!
已浏览 43.4万 次2020年5月21日
YouTubeSidrozbiker
5:46
Cross -Back Apron | Easy Sewing Tutorial
已浏览 28.9万 次2019年5月9日
YouTubeOur Gabled Home
7:06
Rule 9: Narrow Channels | COLREGS In Depth
已浏览 13.1万 次2019年7月4日
YouTubeRefresh Maritime
57:15
Galops 4 : Préparation aux examens de la FFE - Equitation
已浏览 1.1万 次2015年5月13日
YouTubeimineo Cheval et équitation
5:06
1700's Slave Trade: The Middle Passage
已浏览 16.9万 次2015年8月25日
YouTubecoachdove
9:58
Crucifixion: The Cruelty of the Cross
已浏览 3.9万 次2019年10月10日
YouTubeCatholic Productions
20:34
Course dans la Boue Saint Maurice sur Moselle 2019
已浏览 4.2万 次2019年7月28日
YouTubejojorallye soixantedix
10:24
How to Adjust Line and Paragraph Spacing in Microsoft Word
已浏览 4.7万 次2020年8月20日
YouTubeLike A Boss Learning
1:00
Volkswagen - How to lower the passenger mirror when reversing?
已浏览 12.2万 次2019年5月14日
YouTubeLoKan Sardari
3:45
Brain Breaks | Crossover | Brain Breaks Song | Cross the Mid-line | Jack Hartmann
已浏览 130.5万 次2015年10月14日
YouTubeJack Hartmann Kids Music Channel
0:41
How To Connect a Cross Tee to a Main Runner From Different Manufacturers Part 2 | Ceiling Tiles UK
已浏览 2.1万 次2016年3月10日
YouTubeCeiling Tiles UK
3:03
Cross The Line Video - Inspire and Motivate People
已浏览 1万 次2021年2月28日
YouTubeInspireYourPeople.com
39:23
The importance of river crossings in the olden days
已浏览 53.2万 次2020年12月10日
YouTubeLindybeige
2:17
How we make the concrete segments lining Sydney Metro Northwest’s rail tunnels
已浏览 1.5万 次2015年7月10日
YouTubeTransport For NSW
20:32
Dewy Crossbody Bag - Sewing Tutorial - With adjustable strap and recessed zipper
已浏览 14.1万 次2021年2月26日
YouTubeYoanSewingStudio
11:08
[TUTORIAL] SWITCH TO 100% ETHANOL FOR €23 - Fuel pressure regulator
已浏览 22.5万 次2019年10月11日
YouTubeUnited Driver
4:54
How to fit an internal door frame part 2: fitting the new door frame
已浏览 100.9万 次2013年12月9日
YouTubeB&Q
11:07
How to sew a lining into a crochet bag/ how to make a zipper lining /crochet bag pattern
已浏览 68.4万 次2021年6月3日
YouTubeKnitcroAddict
7:01
Nasal cavity
已浏览 29.7万 次2015年11月5日
YouTubeThe Noted Anatomist
9:35
TUNNELS: Construction Methods
已浏览 1.2万 次2021年10月13日
YouTubeengiNERDing
展开
静态缩略图占位符