What is now being inaugurated as the gotthard base tunnel took 17 years of roundtheclock work. Switzerland might not have the longest rail bridge, but it can now claim the longest rail tunnel in the world. The new railway link through the alps nrla will create a fast and effective northsouth link through the swiss alps. Passing directly under the gotthard mountain, this substantial development will enable a fast, efficient link for passengers and freight moving between zurich and milan. Jun 05, 2016 what is now being inaugurated as the gotthard base tunnel took 17 years of roundtheclock work. Gotthard base tunnel, worlds longest, deepest tunnel, is officially open in switzerland. Building a modern railway line in the gotthard base tunnel nicolas steinmann, alptransit gotthard ag, switzerland patrick favre, alptransit gotthard ag, switzerland abstract the gotthard base tunnel, which will begin operating in 2011, will be the most impressive element of the new transalpine railway line through the swiss alps. At the start of 1962, the gotthard tunnel study group appointed by the confederation commissions the elektrowatt company to draft a project for a gotthard base rail tunnel from amsteg to giornico. The central part of the project called alptransit is the gotthard base tunnel from erstfeld to biasca. Tunnel technology for the future the alp transit gotthard is an ambitious railway construction project, which will incorporate the worlds longest railway tunnel of 57 km travelling through the swiss alps and under the st. The main construction work began in 2002, and will. The length of the tunnel will reach 57 km and represents the most significant component of the new alpcrossing railway connection neat through the swiss alps.
It constitutes the first flat route through the alps. A coordinated workflow is necessary the heading is created with a tunnel boring machine or tradi. Risk, contract management, and financing of the gotthard. The extraordinary circumstances of this project required ingenious technical modifications and adjustments. Tunnel da basa dal son gottard is a railway tunnel through the alps in switzerland. Gotthard base tunnel with participation by leister success story, no 211 eng april 2011 1 overhead welding work with the twinny s. Media in category gotthard base tunnel the following 200 files are in this category, out of 244 total. The gotthard base tunnel a recordbreaking project the first plans for a base tunnel between amsteg and bodio were drawn up in 1947.
Abb hoisting equipment for the transalpine gotthard base. Relief and drainage opening in june 2016, the gotthard base tunnel was the longest and most deeply set rail tunnel in the world. The gotthard base tunnel impresses with many outstanding figures. Risk management during construction of the gotthard base tunnel. Or did you think drilling through a mountain range was easy. With the addition of all the connecting passages, access adits and shafts, the complete tunnel system measures around 152 km. An extensive maintenance concept needs to be developed for a rail tunnel the size of the gotthard base tunnel. Risk, contract management, and financing of the gotthard base. Risk management during construction of the gotthard base. Gotthard base tunnel, switzerland emtelle provided thousands of kilometres of its fibreflow microduct solution to one of the most impressive projects of this century. With regard to the gotthard line, thanks to the opening of the new gotthard base tunnel, the maximum sum of grade and curve resistances that occurred in the south ramp has been reduced from 27 to. At the start of 1962, the gotthard tunnel study group appointed by the confederation commissions the elektrowatt company to draft a project for a gotthard base rail tunnel.
In areas of high pressure water zones and crumbly rock, none of these could be used whereas the dangers increased manifolds. A free powerpoint ppt presentation displayed as a flash slide show on id. Why does the gotthard base tunnel need so much maintenance work. It will be the longest tunnel in the world with a combined length of. Gotthard base tunnel, state of works on july 14th 2004. The analyses in the gotthard base tunnel safety concept demonstrate, that with simple but very effective measures, a very high safety level can be reached, corresponding to the demanded safety requirements. The second linchpin after the 57km gotthard base tunnel is the ceneri base tunnel, which will be 15. The gotthard base tunnel a challenge for geodesy and.
Gotthard base tunnel opens for passenger transport press. It will allow passenger trains to travel more quickly through the alps and reduce the number of locomotives needed by freight trains. The new railway tunnel through the swiss alps figure 1. With the length of 57 km, the gotthard base tunnel is the worlds longest tunnel and it is expected to. A detailed and sophisticated evaluation demonstrated that this tunnel system was the most suitable for long alpine tunnels. Because the tunnel was excavated at virtually zerograde, it could accommodate highspeed trains that would slash travel times between northern and southern europe and reduce trafficchokedup alpine roads. The twoway switzerlands gotthard base tunnel stretches for more than 35 miles and runs a. This could not be possible without worlds strongest drilling machines, each more than 3 stories high and longer than 4 football fields, drilling 24hrs a day. Project data raw construction gotthard base tunnel. Alptransit gotthard, a wholly owned subsidiary of the swiss federal railways, completes construction on the gotthard base tunnel in december of 2016 as part. The mobility requirements of switzerlands growing population have increased greatly over the past 100 years. The gotthard base tunnel february 15, 2011 team alpha blake carlton, michael cox, gary daigle damon ritter, shanna simmons, lana wilson. The tunnel on 11 december 2016, the gotthard base tunnel will come into scheduled operation. Abb ups for the gotthard base tunnel reliable and safe energy.
Of slightly different length, the base tunnel comprises two bores with two track crossovers and multiple interconnections for foot access between the bores. The tunnel will be used to remove trucks from clogged roads as freight. The 57 km long gotthard base tunnel from erstfeld to bodio is not only the longest but with an overburden of about 2, 300 m also the deepest rail tunnel in the world. The gotthard base tunnel gbt is the centerpiece of the new transalpine railway link in and through switzerland. Fire safety for the gotthard base tunnel international.
Gotthard base tunnel technical project overview gotthard. Worlds longest passenger tunnel opens in december keith austin for full functionality of this site it is necessary to enable javascript. The gotthard base tunnel gbt in switzerland connects erstfeld in the canton of uri with bodio in the canton of ticino. Gotthard ceneri base tunnels 1992 the swiss people approve the bill for the new rail link through the alps nrla 19951998 political debate on redimensioning and refinancing the nrla 1995 decision made on the route of the gotthard base tunnel 1996 initial preparatory work for the gotthard base tunnel in sedrun 1998 the swiss people approve the. At the time when it is completed, the gotthard base tunnel in switzerland, with a total length of 57 km, will be the longest railway tunnel in the world. Gotthard base tunnel, switzerland experiences with different tunnelling methods heinz ehrbar1 abstract at the time when it is completed, the gotthard base tunnel in switzerland, with a total length of 57 km, will be the longest railway tunnel in the world. Gotthard base tunnel rail tunnel design engineering. Pdf tunnel construction it really is more than just digging a hole in a. In 1992 sika began the initial preliminary tests for sbb at the zurich concrete laboratory, at a time when the client. The gotthardbase tunnel will be the worlds longest traffic tunnel, with a length of 57 km. The gotthard base tunnel is a symbol of swiss precision, reliability. The tunnel is part of the new alpine transverse in. Abb ups for the gotthard base tunnel reliable and safe. At 57 km long, the gotthard base tunnel in switzerland is the worlds longest railway tunnel and a key component of the new transapline railway, one of the largest environmental protection projects in europe.
Gotthard base tunnel, worlds longest, deepest tunnel. The twoway switzerlands gotthard base tunnel stretches for more than 35 miles and runs a mile and a. Pdf tunnelling the gotthard the success story of the gotthard. Just short of 70 years later and after a 17year construction period, the gotthard base tunnel, which is 57. This route involves the construction of the new gotthard base tunnel and ceneri base tunnel. This tunnel of superlatives is not only the worlds longest railway tunnel, it is also a prestige project that showcases swiss engineering at its best.
It is the longest railway tunnel in the world at 57 km and its tunnel run, with all the transverse and connection tunnels, stretches over 154 km. The gotthard base tunnel has been completed and was integrated with the existing route in 2016, while the ceneri base tunnel is expected to open in 2020. Entirely to the east of the current gotthard line, access tracks to the new tunnel joining the present line at erstfeld in the north and bodio in the south. The tunnel boring machine design for the gotthard base tunnel could chew away at the hard rock. Alptransit gotthard, a wholly owned subsidiary of the swiss federal railways, completes construction on the gotthard base tunnel in december of 2016 as part of a new flat rail link through the famous mountain range. Plan of the gotthard base tunnel system at sedrun by the year 2011 railway passengers will be able to travel by highspeed trains from zurich to milan in as little as 2 h 40 m and, later on, 2 h 10 m. Ppt gotthard base tunnel powerpoint presentation free. Gotthard base tunnel is one of the most extreme engineering projects in world history, to build a 35 miles long tunnel under the alps mountains. What sort of work needs to be carried out in the gotthard base tunnel. Gotthard base tunnel tunnel, switzerland britannica.
The large and highly complex tunnel system complete with its many technical installations needs to be maintained. Transtec gotthard, a consortium of four industry leaders, contracted for the provisioning of the railway technology. Published five months later, its report assesses the geological conditions and outlines a construction process involving two twin shafts. Preliminary work for the gotthard base tunnel started in 1996, with excavation of access tunnels and shafts. Gotthard base tunnel with participation by leister success story, no 211 usa april 2011 1 overhead welding work with the twinny s. But if soft rock or unstable material was encountered, the rock was to be drilled and then blasted out. Luetscher bav 4 severaltrains running at the same time trough the tunnel dangerous goods and passengers can be in the tunnel at the same time more than persons can be in the tunnel at the same time due to the lengh of 57km the following operating scenarios occur on a regular basis.
With the length of 57 km, the gotthard base tunnel is the worlds longest tunnel and it is expected to bring sweeping changes to european transport. The gotthard base tunnel was a pioneering project of swiss engineering, built by underground heroes from many countries and made possible by the most modern and advanced concrete and waterproofing technologies from sika. Pdf at the time when it is completed, the gotthard base tunnel in switzerland, with a total length of 57 km, will be the longest railway tunnel in the. At 57 kilometres in length, it is the longest rail tunnel in the world. To shorten the construction time and for ventilation purposes, the tunnel was divided into five sections and driven from several sites simultaneously. The maintenance management tool another component of the tunnel control system will play a major role in planning maintenance and repair work.
Jun 01, 2016 gotthard base tunnel, worlds longest, deepest tunnel, is officially open in switzerland. With a rock overlay of up to 2,300 metres, the gotthard base tunnel is the worlds deepest railway tunnel. The section sedrun is one out of five sections of the. The gotthard rail tunnel is the worlds longest and deepest. Launched in 1993, the gotthard base tunnel the longest rail tunnel in the world finally opened in june 2016, a year ahead of schedule. A construction project serving europe the opening of the gotthard base tunnel in 2016 the worlds longest railway tunnel the gotthard base tunnel was officially opened on 1 june 2016. Access tunnel pipeline for pneumatic cement conveying depth 800 m trackbound transport counterweight gotthard base tunnel trackbound transport southern drives head of shaft carrying persons excavated material cage for.
According to the progress made in the different sections, the actual overall time schedule shows that the excavation works of the tunnels will be finished in march 2010 and the first train will run through the gotthard base tunnel in april 2015. This will be possible once construction of the new transalpine railway axis in switzerland has been completed. Pdf gotthard base tunnel, swizerland, experiences with. Fire safety for the gotthard base tunnel international fire. A construction project serving europe the opening of the. Ppt gotthard base tunnel powerpoint presentation free to.
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