The submerged floating tunnel sft was patented in uk in 1886, and the first. Therefore, adhering to the natural conditions of qiongzhou strait, submerged floating tunnel is the best and most suitable scheme for crosssea passageway. The submerged floating tunnel is a tube like structure made of steel and concrete utilizing the law of buoyancy. Research on tubular segment design of submerged floating tunnel. The submerged floating tunnel concept was first conceived at the beginning of the century, but no actual project was undertaken until recently. Submerged floating tunnel ppt free download as powerpoint presentation.
Submerged floating tunnel is an innovative tunnel infrastructure passing through the deep sea independent of wave and wind so that high speed vehicle or train can run. In general, sft is a tubular structure that is floating at a certain depth below the surface of the water, exploiting bearing capacity derived from archimedes force, has a fixed position through a system of anchors made of cables connected to the seabed. Pdf design of the submerged floating tunnel operating under. Submerged floating tunnel sft is an innovative crossingstrait transportation which is. An arched submerged floating tunnel has shown to be a safe and sound concept well suited to fulfill its intended functions during its planned life time. This route crosses several fjords which are characterized by great widths up to 5 km and depths up to 1 km where nonconventional engineering solutions will be necessary. Performance evaluation of submerged floating tunnel. Introduction submerged floating tunnel sft or bridge floating in water is a new concept in the field of transport infrastructure. Immersed tunnels typically, an immersed tunnel is made by sinking precast concrete boxes into a dredged channel and joining them up under water. Huge list of civil engineering ce seminar topics 2019 ppt pdf reports, latest ieee civil construction seminars list, top advanced seminar papers 2018 2017, recent ieee essay topics, speech ideas, dissertation, ce new thesis, research ieee ce seminar topics, reports, synopsis, advantanges, disadvantages, abstracts, presentation slides free download pdf, doc and. The sftb has to be supported by floating pontoons or. T he sft is putting a tubularshaped structure at a certain depth below the surface of the water using buoyancy as its carrying capacity. It supported on columns or held in place by tethers attached to.
An underwater tunnel connecting geneva and lausanne epfl. It is supported by cables either anchored to the earth or by pontoons floating of the. Application of suction caissons to submerged floating tunnel. 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. By placing the tunnel at a certain depth the water traffic is not disrupted, while at the same time, protecting the structure from most of the environmental loads.
This report illustrates the outcome of the submerged floating tunnel sft analysis project, carried out by the danish road institute, the norwegian road research laboratory and the italian company ponte di archimede nello stretto di messina spa, with financial support by the european union. But when the bed is too rocky,too deep or too undulating submerged floating tunnels are used. Safety study on connection joint for submerged floating tunnel. Challenge in design and construction of submerged floating. In this chapter the concept of the submerged floating tunnel and the opportunities for possible locations are discussed. Meanwhile, in the area with high earthquake risk, submerged floating tunnel, the structure with softness and hardness, has better adaptability. Introduction tunnels in water are by no means new in civil engineering.
Underwater explosion is the most critical event to long submerged structures. With this advances in technology that will reduce the time required for travelling. Download full advanced civil engineering seminar topics in doc, pdf or ppt format. Submerged floating tunnels ppt video online download. 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. In some cases immersed tunnels also used which run beneath the sea or river bed. Mar, 2015 here we are giving you submerged floating tunnels seminar and ppt with pdf report. 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. Analysis of wave force induced dynamic response of. Introduction submerged floating tunnel sft, known as archimedes bridge in italy, is a kind of innovative traffic structure, which is used to cross straits, large lakes or deep rivers 1, 2. Ppt, pdf, doc,abstract, powerpoint presentation, free download for civil engineering students.
This page contains submerged floating tunnel seminar and ppt with pdf report. Tunnels in water are by no means modern in civil engineering. A floating tunnel structure is surrounded by water. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Make the transportation more effective by hiding the traffic under water by which the beauty of landscape is maintained. Since about 1900, more than 100 merge tunnels have been extending. Civil engineering ce seminar topics 2019, ppt pdf reports. Norway is looking into another option to link its fjords with its cities an underwater tunnel suspended at a series of floats that can be seen on the surface. Ppt transatlantic tunnel powerpoint presentation free. Design of the submerged floating tunnel operating under various conditions article pdf available in procedia engineering 4. This page contains submerged floating tunnels seminar and ppt with pdf report. Transverse earthquake response and design analysis of. The beauty of the bridge is that it takes over to the other side. Submerged floating tunnels ppt and seminar free download.
The equation of motion of the cable is obtained by a mathematical method utilizing the euler beam theory and the galerkin method. Submerged floating tunnel free download as powerpoint presentation. Dynamic response analysis of cable of submerged floating. 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. All you need to do is just click on the download link and get it. Submerged floating tunnels pdf report free download. The big advantage of a floating submerged tunnel compared to a bridge is the lightly loaded construction.
The submerged floating tunnel suggested by reinertsen olav olsen group 2012 consists of twoparallel submer ged concrete tubes with an outer diameter of 12. Design of the submerged floating tunnel operating under. Presentation slides for ieee final year civil engineering ce or ieee civil. The submerged floating tunnel utilizes lakes and waterways to carry traffic under water and on to the other side. Submerged floating tunnels seminar report, ppt, pdf for. Download submerged floating tunnel documentation with ppt and pdf for free. The analysis shows that the connection joint proposed in this paper satisfies the requirement of safety under water environment and will be a. Explore submerged floating tunnels with free download of. Stressed ribbon bridge a stress ribbon bridge is a tension structure similar in many ways to a simple suspension bridge. Archimedes bridge ab is a tubular structure that floats at a certain depth below the surface of the water carrying capacity exploiting derived from. Sumit thakur civil submerged floating tunnels seminar and ppt with pdf report. In contrast, a bored tunnel is usually only stable if its roof is at least its own diameter beneath the water. Under water a weight reduction takes place which lowers the loads to be carried by the tunnel. Introduction submerged floating tunnel sft is an innovative crossingstrait transportation which is usually suspended above the sea floor and anchored by the support system of either pontoons at the surface or the anchors fixed in the sea bed.
Submerged floating tunnel ppt buoyancy civil engineering. Transatlantic floating tunnel powerpoint presentation ground motions for design usgs powerpoint presentation. A free powerpoint ppt presentation displayed as a flash slide show on id. 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. Research on type selection of submerged floating tunnel of. Submerged floating tunnel ppt buoyancy civil engineering scribd.
Submerged floating tunnel seminar pdf report and ppt study mafia. The main sft configuration and dimensions are shown in figure 32, and principal tunnel data are given in sec. Nov 30, 2017 the submerged floating tunnel will set up new trends in transportation engineering. Submerged floating tunnels seminar report,pdf,ppt,doc. Submerged floating tunnel, design, construction, durability, risk analysis 1.
It supported on columns or held in place by tethers attached to the sea floor or by pontoons floating on the surface. Ppt transatlantic tunnel powerpoint presentation free to. Research on tubular segment design of submerged floating. Flexible submerged tunnel has much less problems with earthquakes which can happen in this area. Oct 30, 2016 model submerged floating tunnel ce student. Global response of submerged floating tunnel against. Submerged floating tunnel is an innovative tunnel infrastructure passing through the deep sea independent of. This allows submerged tunnel approaches to be shorter andor approach gradients to be flatter an advantage for all tunnels, but especially so for railways. Submerged floating tunnel seminar pdf report and ppt.
The hydrodynamic force induced by earthquake excitations is formulated to simulate real. 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. Ppt floating tunnel powerpoint presentation, free download. A simplified analysis model of cable for submerged floating tunnel subjected to parametrically excited vibrations in the ocean environment is proposed in this investigation. Explore submerged floating tunnels with free download of seminar report and ppt in pdf and doc format. Submerged floating tunnel sft is a new structural concept for crossing water. 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. The tunnel can, for example, be set under the ground, as is the case with eurostar, which was opened in 1994 across the channel and connects london with several cities in mainland europe. 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. Submerged floating tunnels seminar report, ppt, pdf for civil. Download submerged floating tunnel documentation with. To study the vibration response of submerged floating tunnel tether under the combined action of vortexinduced vibration and parametric vibration, a nonlinear vibration equation based on wake oscillator model is set up taking the geometric nonlinearity of tether into account, in which effect of tube on tether is simplified as axial excitation. 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. It is neither placed within nor bored through the ground.
Benefits can be obtained with respect to less energy. Submerged tunnels can be placed immediately beneath a waterway. Nov 08, 20 submerged tunnels can be placed immediately beneath a waterway. Application of suction caissons to submerged floating. Submerged floating tunnels sft for transportation must be designed to secure passengers safety in case of accidental events. Transatlantic floating tunnel powerpoint presentation. On the basis of working surroundings of submersed floating tunnelsft, a new type of connexion joint is designed to link its tubes, and its mechanical behavior and safety under water condition are also analyzed by means of finite element methodfem. Jan 21, 2015 submerged floating tunnels sft for transportation must be designed to secure passengers safety in case of accidental events. Submerged floating tunnels sfts are innovative structural. Download from so many useful civil engineering files for free.