Contact Us

C o n t a c t U s

Introducing our TBMs Tunnel boring machines Metro Tunnel

A tunnel boring machine (TBM) is a machine that is used to excavate tunnels. TBMs can bore through a variety of ground conditions, from hard rock to sand. To construct the tunnels, the TBMs will progressively line each tunnel with curved concrete segments as they dig.

Construction Technology for Underground Metro Tunnel

One of the stretches in the 5-km underground metro will be tunneling through the Deccan plateau basalt strata, which is considered good for drilling tunnels. Tunnel Boring Machine (TBM) Tunnel boring machines, also known as TBM, are used as an alternative to drilling and blasting (D&B) methods in rock and conventional “hand mining” in soil.

Tunnel boring machine completes Metro Line 18 SHINE News

2020-10-29  Metro Line 18 was entirely dug through on Thursday with a tunnel boring machine pushing through a part near Huangpu River in Yangpu District. The 36.8-kilometer, 26-stations line starts at South Changjiang Road in the north and runs through Baoshan and Yangpu districts and the Pudong New Area.

Metro tunnel boring machine continues work underneath

2020-8-1  Metro tunnel boring machine continues work underneath Zamalek The Nefertiti Tunnel boring machine has continued crossing under the Bahrain embassy and the

How Metro Successfully Tunneled Through Challenging

2021-3-29  Metro’s twin WPLE1 tunnel boring machines (TBMs) initially dug east from La Brea Avenue to Western Avenue. The TBMs were then transported

Pune: Metro tunnel boring machine reaches Mumbai, work

2019-11-14  The machine is 120m long with a diameter of 6.65m. All four machines will be of international standard. Similar machines were used for underground tunnelling for the Metro in Delhi and Mumbai." A single TBM was expected to complete tunnelling

DOTr unveils first tunnel boring machine for Metro Manila

2021-2-5  “This Tunnel Boring Machine (TBM) symbolizes its name, ‘KAUNLARAN’. Today, as we applaud the coming of Kaunlaran, I ask you, join us in riding the

Melbourne’s Metro Tunnel Project Turns Its Focus to

2021-5-6  Last weekend Alice, the third tunnel boring machine (TBM) to finish work on the metro’s twin tunnels, broke through at Town Hall Station after successfully digging under the Yarra river. It leaves just one TBM to complete the final leg of the 9km tunnels from Kensington to South Yarra, which is due to be finished in the coming weeks.

First tunnel boring machine for metro line construction

2021-5-17  First tunnel boring machine for metro line construction installed Update: December, 30/2020 07:00 HÀ NỘI — After two months of transportation and installation, the last component of a tunnel boring machine (TBM) was scheduled to be placed at the S9 underground station of Metro Line No 3, Nhổn Hanoi Train Station, yesterday.

Tunnel boring machines for Metro Manila subway to arrive

2020-9-4  Tunnel boring machines for Metro Manila subway to arrive in early 2021 DOTr. Sep 4, 2020 10:54 PM PHT. Michelle Abad. A TBM is a machine that is

Regional Connector Tunnel Boring Machine (TBM) Go Metro

Meet Angeli. She’s connecting LA County. “Angeli” is the name given to the Regional Connector Tunnel Boring Machine (TBM). She will dig twin 1.1 mile underground light-rail tunnels that connect the Metro Blue, Expo and Gold Lines allowing passengers to travel seamlessly about LA County from Long Beach to Azusa and East Los Angeles to Santa Monica.

Boring machines finish digging Melbourne’s Metro Tunnel

2021-5-24  Metro Tunnel’s builders prepare to remove massive tunnelling machines and extract them from underground after they finished excavating twin nine-kilometre rail tunnels beneath the city.

How Metro Successfully Tunneled Through Challenging

2021-3-29  Westside Purple Line Extension Section 1 Tunnel Boring Machine heads, named Elsie (north, purple) and Soyeon (south, red) via Metro TBM fact sheet Right behind the cutterhead is the TBM shield, which houses several complex mechanisms.

L.A. Metro’s First Tunnel Boring Machine Breaks Through to

2019-6-12  Wednesday June 12, 2019. Marking a new construction milestone for the Metro Purple Line Extension project, the Los Angeles County Metropolitan Transportation Authority (Metro) announced that its first Tunnel Boring Machine (TBM) has officially broken through to connect with the Wilshire/Western subway station in Koreatown.

Metro Herrenknecht AG

The EPB (Earth Pressure Balance) Shield is excavating a metro tunnel to connect an intermodal traffic hub. The TBM achieves a high advance rate in cohesive soils, supporting the tunnel face using the loosened soil. More information

Largest part of first tunnel boring machine for Metro

2021-2-5  The tunnel boring machine, on the other hand, would be used to dig underground and lay out tunnels. Related Stories Metro Manila subway works still on track — DOTr

Metro Tunnel: Massive machines finish digging under CBD

2021-5-24  Massive machines have finished digging the Metro Tunnel after completing their journeys beneath the Yarra River, 1.5m under the City Loop and into the CBD.

Melbourne’s Metro Tunnel Project Turns Its Focus to

2021-5-6  The Metro Tunnel, previously known as the Melbourne Metro Rail Project or Melbourne Metro 1, has reported significant progress. Its twin nine-kilometre tunnels have moved closer to completion, switching the project’s focus on to its five new underground stations.

First tunnel boring machine for metro line construction

2021-5-17  First tunnel boring machine for metro line construction installed Update: December, 30/2020 07:00 HÀ NỘI — After two months of transportation and installation, the last component of a tunnel boring machine (TBM) was scheduled to be placed at the S9 underground station of Metro Line No 3, Nhổn Hanoi Train Station, yesterday.

L.A. Metro’s First Tunnel Boring Machine Breaks Through to

2019-6-12  Wednesday June 12, 2019. Marking a new construction milestone for the Metro Purple Line Extension project, the Los Angeles County Metropolitan Transportation Authority (Metro) announced that its first Tunnel Boring Machine (TBM) has officially broken through to connect with the Wilshire/Western subway station in Koreatown.

Metro Herrenknecht AG

The EPB (Earth Pressure Balance) Shield is excavating a metro tunnel to connect an intermodal traffic hub. The TBM achieves a high advance rate in cohesive soils, supporting the tunnel face using the loosened soil. More information

Largest part of first tunnel boring machine for Metro

2021-2-5  The tunnel boring machine, on the other hand, would be used to dig underground and lay out tunnels. Related Stories Metro Manila subway works still on track — DOTr

Metro Tunnel: Diggers make way under Yarra River Herald

2021-3-22  Metro Tunnel boring machine now digging 12m below Yarra River. Digging on the Metro Tunnel is now 85 per cent complete, with a massive tunnel boring machine reaching a milestone.

Sydney Metro Tunnel Construction Plans and Information

2021-5-21  The tunnel boring machines (TBM) tracker used to follow the historic dig by the five tunnel boring machines on the City & Southwest project can be found here. Sydney Metro West The tender process has started for tunnelling between Westmead and The Bays precinct with the first tunnel boring machine expected to be in the ground before the end of

Metro Tunnel hits tunnelling milestone Trenchless

2021-2-3  Metro Tunnel said major construction is continuing in Domain at the site of the future Anzac Station in its most recent tunnelling update report.. In a key milestone for the project, tunnel boring machine (TBM) Alice has now joined TBM Millie on the drive to the CBD after launching from the Anzac Station site in late January,

First tunnel boring machine for underground metro arrives

2019-12-2  PUNE (Metro Rail News): The Maharashtra Metro Rail Corporation (MahaMetro) has said that the work of underground metro stretch is likely to expedite in the coming months as first tunnel boring machine (TBM) which will be used for tunneling work has reached the city recently. A total of four machines are expected to be deployed for the tunneling work. The remaining machines will arrive in a

Melbourne’s Metro Tunnel Project Turns Its Focus to

2021-5-6  The Metro Tunnel, previously known as the Melbourne Metro Rail Project or Melbourne Metro 1, has reported significant progress. Its twin nine-kilometre tunnels have moved closer to completion, switching the project’s focus on to its five new underground stations.

Metro Tunnel Breaking Ground: Tunnelling under the Yarra

Metro Tunnel. March 29 · All of this data was used in the very early days to determine what type of tunnel boring machine was best suited for tunnelling in this type of geology. So, the Metro Tunnel Project is using mixed shield tunnel boring machines. Those machines are suited to tunnel both in a very soft mixed ground geology, but also