The French city of Bordeaux was founded and built around its inner harbor on the River Garonne. The

The French city of Bordeaux was founded and built around its inner harbor on the River Garonne. The waterway is so wide that a city that has historically developed on the west bank of the river, had only limited access to the opposite bank, and two bridges, one of which is a little away from the city center.
But the new bridge Jacques Chaban-Delmas, which opened in March 2013, is designed not only with the intention to overcome the natural barrier formed by the river Garonne, but also to bring together the two parts of the city and stimulate urban development on the eastern shore. However, the Bordeaux Urban Community (Communauté Urbaine de Bordeaux), food truck bazaar the proponent of the construction of the bridge had to ensure that its presence did not restrict the operation of the port in the center of a bridge structure to allow the passage of large ocean-going ships under the bridge. Engineering design of the bridge and used construction technology had to offer solutions in the given conditions, ie to respect the behavior of 400 m wide river whose daily level height differences due to inflow and outflow reaches this point at the mouth of the river more than five meters; and also take into account the limited space for the construction site near the historic city center. Future owner has decided to enter the bridge project under the Design-Build contract, food truck bazaar ie "Vyprojektuj and characters." The main contractor, the company GTM, which belongs to the group VINCI, together with architectural firm Lavigne-Cheron a French consultant Egis JMI Cimolai contact the company, which was founded for the construction of the lift-bridge association. She was invited specialized engineering company Hardesty & Hanover to propose food truck bazaar a mechanism movable bridge, a part of the team also became renowned French engineer Michel Virlogeux. This association has proposed the construction food truck bazaar of a vertical-lift bridge, which is composed of concrete and steel parts. The proposal has been honored for its architectural elegance and apparent simplicity of lifting system, and in 2007 the team won the contract to design and build a bridge. New project connects the two banks of the river Garonne bridge structure, which has three structurally independent parts. The main field is spatially wedged between four concrete tower, which is located food truck bazaar in the system of ropes, pulleys and counterweights driven electromechanical winches located at the foot tower, which rises this field. The main structural frame supporting structure is made up of longitudinal steel "backbone" beam, which are like fish bones connected consoles that support walkways on both sides. This section was designed so as to comply food truck bazaar with the architectural concept department located in the middle of the road part of the bridge designed for pedestrians and cyclists. The length food truck bazaar of the deck, measured as the axial distance food truck bazaar between the bearings at the abutments is 433 m; main lift area has a length of 117.4 mA is connected to the left and right river bank two mA downstream side coupled steel-concrete structures. These structures are formed by continuous beams backed by three support; on the banks of the river, food truck bazaar at intermediate pillars and the pillars that form the base tower. The secondary structure connected to the left bank measures 133.7 mA on the right bank of 159.8 M. The construction of the main field consists of a steel beam chamber height of 3.7 meters, which are welded food truck bazaar to the side cantilever beams with variable length, which support food truck bazaar the walkways on both sides Bridge. Pavement structures are made smaller chamber steel beams with a height of 600 mm, with an orthotropic bridge deck width 4.8 mA curved thin bottom plate in the shape of a cylindrical surface segment. The main steel box girder, the top orthotropic bridge deck, which is designed food truck bazaar for motor vehicles and public transport - buses only for starters, even if the construction of the bridge was designed to be a prospective location tramway food truck bazaar - a lower orthotropic plate. Both parts are connected food truck bazaar by two lateral uprights and the reinforcing plates molded and welded so that a typical sectional view of a pallet box consists of a shape which is similar to a flat hexagon. The transverse food truck bazaar and torsional stiffness of the deck is ensured full-length food truck bazaar cross bars of steel plates welded to the upper and lower orthotropic deck orthotropic plate, which are mutually connected by diagonal struts L-shaped Secondary fields are composite structures which are composed food truck bazaar of the main steel beams and concrete slabs that were partially pre-fabricated using a system Prédalle. The upper part of the concrete slab is monolithic and is attached to the upper pásnicím main beams welded through the thorns. The steel parts of the structure is made up of two side and one main secondary beams that are connected every 4 m full-length headers. The outer sides of the main side beams are welded cantilever beams of variable length that support walkways. Orthotropic plates were welded to the outer edges of the bottom flange of the side of the main beams, connecting uprights cantilever beams and create the same side view as the lifting of the field. The height of the beams is variable from