行业活动: 2018 北美隧道会议
活动日期: 2018年6月 24-27日
Event Name: WTC 2018
Dates: April 21-26, 2018
Location: Dubai, United Arab Emirates
Venue: Dubai World Trade Centre
The Robbins Company will be attending ITA-AITES World Tunnel Congress 2018 in Dubai, United Arab Emirates, April 21 through 26. Be sure to visit us at stand 70-71 between April 23 through 25 to learn more about Robbins TBMs operating world-wide.
Monday, April 23
14:20 – 14:40 Robbins Vice Present Doug Harding, “Excavating Turkey’s Hardest Rock at the Bahce-Nurdag Railway Tunnel”
Wednesday, April 25
9:40 – 10:00 Robbins Director of Engineering Brad Grothen, “Excavating Turkey’s Most Challenging Project – The Gerede Water Transmission Tunnel”
12:15 – 12:35 Robbins Mexico Managing Director Roberto Gonzalez, “Excavating Mexico City’s Mega-Tunnel in Mixed Ground at 150 Meters Deep: Emisor Oriente Wastewater Tunnel Lot 5”
Event Name: NASTT’s No-Dig Show 2018
Dates: March 25-29, 2018
Location: Palm Springs, CA, USA
Venue: Palm Springs Convention Center
The Robbins Company is looking forward to seeing you in Palm Springs, CA for NASTT’s No Dig 2018 March 25 through 29. Visit booth 470 during exhibit hours to discover how renting or owning a Robbins Small Boring Unit (SBU) can save you time and money on your next boring project.
Event Name: Congreso Nacional de Ingenieria Civil
Dates: March 1-8, 2018
Location: Mexico City, Mexico
Venue: World Trade Center
Join The Robbins Company at Congreso Nacional de Ingenieria Civil March 1 through 8, in Mexico City, Mexico. Visit our booth to learn more about current techniques being used on Robbins projects throughout the world.
Event Name: Underground Construction Technology (UCT) 2018
Dates: January 30-February 1, 2018
Location: New Orleans, LA, USA
Venue: Ernest N. Morial Convention Center
The Robbins Company will be attending Underground Construction Technology 2018 January 30 through February 1. Be sure to visit our booth to learn more about Robbins Small Boring Units (SBUs)—the most cost effective and time efficient way to bore through hard rock.
At any given time, Robbins TBMs are operating at dozens of jobsites around the world. Our dedicated Field Service personnel take video and pictures of the TBM progress often, so we’ve decided to offer a quarterly roundup of what’s going on in picture and video format–from deep TBM assembly in New York, USA to an epic TBM launch in the Himalayan mountains of Nepal. Read on to found out the latest.
TBM Assembly in a Deep Shaft in New York, USA
A 6.8 m (22.3 ft) Robbins Single Shield TBM, designed for water pressures up to 20 bar, is undergoing assembly and testing at the Delaware Aqueduct Repair Project. The TBM will be launched from a starter tunnel at the bottom of a 274 m (900 ft) deep shaft.
TBM Assembly Time Lapse
Epic TBM Launch in the Himalayan Mountains
In the Siwalik Range of the southern Himalayan Mountains of Nepal, a 5.06 m (16.6 ft) Robbins Double Shield embarked to bore the Bheri Babai Diversion Multipurpose Project (BBDMP). The TBM launched on October 14. See the drone footage taken by our own Field Service TBM Mechanic Thomas Fuchs:
Crossover Machine Startup in Akron, Ohio
On October 19, a Robbins 9.26 m (30.4 ft) diameter Crossover (XRE) TBM launched below Akron, Ohio, USA to bore the OCIT tunnel. The machine is excavating in soft soils that will transition into mixed face and then full face shale. Before its launch, personnel at the jobsite filmed the cutterhead testing in a unique way. Watch the video below for more:
Event Name: Tunnel Turkey 2017
Dates: December 2-3, 2017
Location: Istanbul, Turkey
Venue: Wyndham Grand Istanbul Levent Hotel
The Robbins Company will be exhibiting at the 2017 International Tunneling Symposium, also known as Tunnel Turkey, in Istanbul December 2-3. In keeping with this year’s theme, “Challenges in Tunneling,” stop by stand S-4 to learn more about how Robbins overcomes our own challenging projects.
During the conference, be sure to attend, “Use of dual mode, crossover TBM to excavate challenging geology at Mexico City’s Emisor Poniente II Waste Water Tunnel” presented by Robbins Public Relations Manager, Desiree Willis. The presentation will take place on Saturday, December 2 at 2:00 pm.
2017年10月18日，为美国俄亥俄州开挖阿克伦俄亥俄运河拦截隧道(Akron OCIT)的一台直径为9.26米的大直径跨模式掘进机始发。但这个始发并不是唯一的里程碑。在跨模式掘进机后运行用于出渣的，是第100台罗宾斯连续输送系统。侧置式输送机是一种设计标准，但它的里程碑意义重大:“这台输送机的诞生，让我们成为供应输送机数量最多的掘进机输送机供应商，”罗宾斯输送机、刀具及小型掘进机分布总裁Dean Workman说道。Workman补充说，罗宾斯按订单计算输送机的数量，包括准备发货的，数字现在已经超过了100台。
在阿克伦的输送机也是罗宾斯输送带的历史的一部分，这个产品是第一台在掘进机后使用的连续输送系统。该原型机由创始人詹姆斯·S·罗宾斯(James S. Robbins)于1963年发明，在当时被称为西巴基斯坦的曼格拉大坝项目中成功地在直径11.2米的主梁式掘进机中使用。虽然输送带在发明后来的多年没有被作为一种标准的出渣方法，但这个项目为未来的成功奠定了基础。
Over 20 years ago, a Robbins open-type machine set three world records while tunneling in the picturesque Blue Mountains in Australia. You may be asking yourself, why is this significant? Why drudge up a project that is surely outdated at this point in our industry’s history? The fact of the matter is, two decades have passed and the Robbins open-type TBM chosen for this project is still considered to be the world’s fastest TBM.
In 1993, the 3.4 m (11 ft) diameter TBM was chosen to bore two sewage tunnels in the Blue Mountains near Sydney, Australia. At the time, there had been a rapid expansion of urban developments within the Blue Mountain National Park, causing an influx of pollution to enter streams as the result of septic tank runoff and outdated sewage treatment plants.
The Blue Mountains Sewage Transfer Project comprised of approximately 40 km (25 mi) of tunnels, two of which were TBM-driven using the Robbins machine. The first, the Katoomba Carrier tunnel, was 13.4 km (8.3 mi) long and the second, the Lawson Carrier, was 3.5 km (2.1 mi) long. While the Lawson Carrier tunnel was finished five weeks prior to the expected completion date, it was during the Katoomba Carrier tunnel that all three records were set. During excavation the machine set the following world records: best day of 172.4 m (565.6 ft), best week of 702.8 m (2,305.7 ft), and a best monthly average of 1,189 m (39,000 ft) within its size range of 3 to 4 m (9.8 to 13.1 ft) diameter machine. Two of those records—the best day and best week—are the fastest ever recorded and have yet to be surpassed by any TBM of any size.
Custom Machine Design
There were many factors that played into this machine’s success—the system utilized on this project required a well-planned design, careful operation, and regular maintenance. As many people involved in tunneling know, choosing the right equipment for the geology can make or break a project. Detailed empirical data allowed the contractor to accurately predict what kind of ground they would encounter and prepare accordingly. The National Park is located within the Triassic Sydney Sedimentary Basin and is comprised primarily of sandstones and claystones. Anticipating this geology, the 3.4 m (11 ft) diameter machine’s cutterhead was dressed with 25 Robbins 17-inch diameter disc cutters designed for soft yet abrasive rock formations.
The 13.4 km (8.3 mi) long Katoomba Carrier tunnel was originally planned to comprise of multiple short tunnels, several kilometers in length each, with intermittent portals to shorten drives. Ultimately it was decided to make the project one continuous tunnel, which led to higher advance rates and deemed it—at the time—the longest single-drive TBM tunnel. Not only did this change save time, but it also allowed boring to be less disruptive to the landscape.
In addition, the project was the first in Australia to utilize a continuous conveyor system. Due to the length of the tunnel, the use of traditional muck cars for muck removal would have taken too much time and were seen as an inadequate solution. The 106-m (347.8 ft) long system boosted production rates, with a best day of 1,565 m³ (55,267 ft³) of in-situ material removed from the Katoomba tunnel.
Ground support throughout the tunnel comprised of a combination of resin grouted bolts, mesh, steel straps and steel sets. In the sturdier sandstone, however, the tunnel was left largely unlined and instead shotcrete was applied to areas of poorer, softer rock.
As boring progressed, the sandstone proved to be softer than expected. Instead of the predicted average of 80 MPa ranging from 20 MPa to 150 MPa, it averaged 40 MPa to 50 MPa with a range of 10 MPa to 100 MPa. This ideal material could also have contributed to the Robbins machine’s record breaking results and its early breakthrough, which occurred nine months ahead of schedule.
The Robbins Mk 12C’s performance on the tunnel boring portion of the project substantially surpassed all expectations. Not only did it set the previously mentioned world tunneling records, but it also helped the project as a whole finish 17 months ahead of schedule, saving not only on time but on significant financial costs.
- To Grout or Not to Grout? In Rock Tunnels encountering High Water Pressure, Grouting can offer Great Benefits over Slurry
- On the Move: Robbins TBMs Around the World
- What it’s Like to Live at a Jobsite for a Year (or More): An Interview
- 3 Ways to Bore More Efficiently in Extremely Hard Rock: Maximize your TBM Advance through Minimized Downtime