Water was modeled by smoothedparticle hydrodynamics sph. Under water a weight reduction takes place which lowers the loads to be carried by the tunnel. Civil submerged floating tunnels ppt view presentation slides online. Submerged floating tunnels sfts are a novel type of traffic structure for crossing long straits or deep lakes. The present template design of free tunnel powerpoint template would be a perfect match for your presentation relating to construction works. Submerged floating tunnel has a large number of design ch allenges as a new type of structure which up to now never has been built. Introduction it is a kind of innovative traffic structure, which is used to cross sea, large lakes or deep rivers it generally consists of tunnel tube suspended in water, anchor cables fixing displacement of tunnel, deep water foundations submerged floating tunnel sft, is also known as archimedes bridge 4. It is a high speed theoretical tunnel between newyork and london a free powerpoint ppt presentation displayed as a flash slide show on id. Submerged floating tunnels and the largest infrastructure. A submerged floating tunnel sft, also known as submerged floating tube bridge sftb, suspended tunnel, or archimedes bridge, is a proposed design for a tunnel that floats in water, supported by its buoyancy specifically, by employing the hydrostatic thrust, or archimedes principle. This forum provides unlimited free download of latest seminar reports and ppt on computer science, electronics, electrical, mechanical engineering, civil, bio medical, chemical, medicine,science in pdf and doc format. The submerged floating tunnel is an innovative concept for crossing waterways, utilizing the law of buoyancy to support the structure at a moderate and convenient depth. The submerged floating tunnel is a tubelike structure of steel or concrete made to through buoyancy and supported on columns or held in place by tethers attached to. Therefore, adhering to the natural conditions of qiongzhou strait, submerged floating tunnel is the best and most suitable scheme for crosssea passageway.
Submerged floating tunnels for crossing of wide and deep. Explore submerged floating tunnels with free download of seminar report and ppt in pdf and doc format. Based on the design technology of immersed tunnel, bridge and tunnel engineering, combining the current relevant design codes or specification of civil and offshore engineering in china, the conceptual design method of submerged floating tunnel tubular segment is presented according to safety, applicability, economy, fine appearance and environmental protection. Meanwhile, in the area with high earthquake risk, submerged floating tunnel, the structure with softness and hardness, has better adaptability. A submerged floating tunnel sft, sometimes also called a suspended tunnel or archimedes bridge, is a tunnel floating underneath the water surface supported by buoyancy and anchored into place either by moorings in the sea bed from below or using pontoons from above. Global response of submerged floating tunnel against. By performing a timedomain hydrodynamic analysis on the submerged floating structure under irregular waves, the motional characteristics, structural stresses, and fatigue damage of the floating tunnel and mooring members were analyzed to evaluate the. Tunnels in water are by no means new in civil engineering in some cases immersed tunnels also used which run beneath the sea or river bed. Feasibility study of submerged floating tunnels moored by. Submerged floating tunnel free download as powerpoint presentation.
Anchor cables, sft, and submarine were modeled by the finite element method fem. The tube is placed underwater, deep enough to avoid water traffic and weather. Flexible submerged tunnel has much less problems with earthquakes which can. Submerged floating tunnel seminar pdf report and ppt.
This page contains submerged floating tunnels seminar and ppt with pdf report. Response analysis of submerged floating tunnel hit by. In the second part of this chapter, the author proceeds to discuss the strategy of sft research and the. It is supported by cables either anchored to the earth or by pontoons floating of the. It is a great idea, but things could go wrong, fast. Submerged floating tunnel ppt free download as powerpoint presentation.
The submerged floating tunnel is a tube like structure made of steel and concrete utilizing the law of buoyancy. The submerged floating tunnel utilizes lakes and waterways to carry traffic under water and on to the other side. Jump to navigation jump to search see also category. Sumit thakur civil submerged floating tunnels seminar and ppt with pdf report. Underwater explosion is the most critical event to long submerged structures. Submerged floating tunnels seminar report,pdf,ppt,doc. Literature list on the subject of submerged floating tunnels including publications such as books, articles and conference papers. The big advantage of a floating submerged tunnel compared to a bridge is the lightly loaded construction. Free seminar reports, ppt presentation topics and abstract. It supported on columns or held in place by tethers attached to. Kristoffersen thinks the probability of soon seeing the worlds first submerged floating tunnel, also known as a tube. Research on type selection of submerged floating tunnel of qiongzhou strait. Challenge in design and construction of submerged floating.
In a bid to increase connectivity along the e39 road on norways west coast, engineers are planning to construct a number of fjord crossings, some of. Tunnels in water are by no means modern in civil engineering. A submerged floating tunnel sft, also called a suspended tunnel or archimedes bridge, is a tunnel that floats in water, supported by its buoyancy specifically, by employing the hydrostatic thrust, or archimedes principle. In this paper, first, shock waves and impulse pressures generated by an explosive away from the sft are expressed by the formulas coming from the experimental results. Crossing norways fjords is going to get easier with worlds first submerged floating tunnel this doesnt sound like the kind of thing you want to have the first one of. Transverse earthquake response and design analysis of. A free powerpoint ppt presentation displayed as a flash slide show on id. One of the proposed solutions is the construction of a submerged floating tube bridge sftb, that, when built, will be the first of its kind worldwide. Design of immersed tunnel and how we research submerged. In some cases immersed tunnels also used which run beneath the sea or river bed. Floating tunnel powerpoint presentation ground motions for design usgs powerpoint. Npra a pontoon solution is visible, but still free from noise pollution npra.
Submerged floating tunnel sft is an innovative crossingstrait transportation which is. Submerged floating tunnels seminar report, ppt, pdf for. Submerged floating tunnels from around the world structurae. Free tunnel powerpoint template free powerpoint templates. The norwegian public roads administration have made a promotion video concerning sftb and the ferry free e39 project npra promotion video. Penetrating phenomenon in the calculation process was achieved by the penalty function, and the fluidsolid coupling effect was. Structural configuration the main element of the submerged. After any problems are worked out they could end up being very reliable. But when the bed is too rocky, too deep or too undulating submerged floating tunnels are used. Also explore the seminar topics paper on submerged floating tunnels with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year civil engineering ce or ieee civil construction btech, be, mtech students for the year 2015. Research on type selection of submerged floating tunnel of. Ppt transatlantic tunnel powerpoint presentation free.
Also explore the seminar topics paper on submerged floating tunnels with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year civil engineering ce or ieee civil construction btech, be, mtech students for the year 2015 2016. Submerged floating tunnel wikipedia republished wiki 2. However, submerged floating tunnel will be free from all those obstacles. Download from so many useful civil engineering files for free. As the needs of society for regional growth and the protection of the environment have assumed increased importance, in this wider context the submerged floating tunnel offers new opportunities. Since about 1900, more than 100 merge tunnels have been extending. Transverse earthquake response and design analysis of submerged floating tunnels with various shore connections jian xiao, guojun huang laboratory of environmental engineering, institute of mechanics, chinese academy of sciences, beijing 100190, china. An ebook reader can be a software application for use on a computer such as microsofts free reader. The submerged floating tunnel concept was first conceived at the beginning of the. But when the bed is too rocky,too deep or too undulating submerged floating tunnels are used. Flexible submerged tunnel has much less problems with earthquakes which can happen in this area. Media in category submerged floating tunnels this category contains only the following file. Submerged floating tunnels sft for transportation must be designed to secure passengers safety in case of accidental events. Research on tubular segment design of submerged floating.
The submerged floating tunnel sft concept was first conceived at the beginning of the century, but no actual project was undertaken until recently. In authors opinion, the submerged floating tunnel sft technique will be the next generation of imt technique. The image of a tunnel is a related template design for presentation of civil works and construction of bridges and tunnels. The submerged floating tunnel will set up new trends in transportation engineering and which shows with the advances in technology that will reduce the time required for travelling. It supported on columns or held in place by tethers attached to the sea floor or by pontoons floating on the surface. Submerged floating tunnel ppt buoyancy civil engineering. This paper presents the theoretical investigation on the damage of the submerged floating tunnel sft under extreme loads. Immersed tunnels typically, an immersed tunnel is made by sinking precast concrete boxes into a dredged channel and joining them up under water. Ppt immersed tunnels powerpoint presentation free to. There have been significant progresses made and technologies accumulated on the development of submerged floating tunnel technology from 1960s through 1970s, however, no such commercially operating tunnels are yet built. The submerged floating tunnel is a tubelike structure of steel or concrete made to through buoyancy and supported on columns or held in place by tethers attached to the sea floor or by pontoons floating on the surface.