Various experts have been carrying some of the concepts that would bridge connecting two islands. One of the proposed bridge concept Prof.Dr.Ir. Iswandi Imran, Expert Structural Engineering, Faculty of Civil and Environmental Engineering Institut Teknologi Bandung (ITB).
Assess the work design Iswandi sunda strait stretch 27.5 kilometers in length require a series of links that are planned suspension bridge model, cable stayed bridges, and bridge a thousand feet.
"The model that will be used later to follow the existing depth of the sea," said Iswandi at the Seminar on the Design and Build Case Study of the Development Plan in the Sunda Strait Bridge Hall DPP Democratic Party, Jalan Kramat Raya, Jakarta, Wednesday, June 22, 2011.
Stretch of the longest bridge in the form of a series of planned JSS teridiri suspension bridges with spans over the edge of an area of 2 x 800 meters, spans the middle of 2200 meters, and width of bridges along the 60 m
This bridge was designed will have a function as a traffic lane wide highway 2X3 meters, emergency lane 2 x 1 meter, double track railway and rail lines.
Bridge JSS also accommodate utility lines such as gas pipelines, oil pipelines, fiber optic cable, electrical cables and others.
Iswandi explained stretch of the bridge at the JSS series longer than the bridges had been built to date. Some segments of the bridge are at sea will be used in the foundation structure is high.
"This is why the planning and construction becomes relatively simple, complex and extraordinary challenges," said Iswandi
Bridge ConstructionJSS will be a series of bridge length and width so that it takes a few segments with long span bridges, high pylon structures, and structures deep and massive foundations.
Jembaan is also expected to have environmental loads such as wind, the potential for earthquakes and other special expenses. Moreover, the JSS was built in the aggressive environment of being in the marine environment (with levels of sulfate and kloridaq high).In fact, some segments of the bridge in the deep sea.
"South Bridge Design Sunda Strait have a minimum eligibility age of 150 years," said Iswandi.
ConsequenceTo build a magnificent bridge JSS then need a large volume of construction materials and high quality materials technology. To that end, consideration needs Oswandi assess special construction material selection with a strong ratio / high weight and are sustainable.
In addition, bridge construction and design aspects of the system requires a special structure with the use of third-generation bridge deck and others.
JSS construction methods must also consider things like the terrain is relatively difficult because it involves casting under water and the deep sea, and the casting mass concerate
Construction MaterialsReinforced concrete, steel structures, steel wire, prestressing tendon. "Construction material used must be of high quality.
Estimated Minimum Requirements Per Kilometer Bridge Concrete Materials
The minimum concrete volume = 50 thousand cubic meters.The minimum weight of cement = 25 thousand tonsAK minimum weight = 50 thousand tonsThe minimum weight of AH = 40 thousand tons
"This is a very large volume yan" said Iswandi
Iswandi reveals the development of construction material technology that takes into account local natural resources, is indispensable in supporting the development plans JSS. In addition, the survey also needed to assess the potential of existing materials in the area around the bridge site.
He emphasizes the preparation of human resources should be made as early as to support the planning and Sunda strait bridge construction. "Do not let the moment the gong was beaten (for pembangunn) we are not ready and most of the process is done by foreigners. We attempt as much as possible throughout labor and meterial from the local" firm Iswandi.• VIVAnews
source : http://bisnis.vivanews.com
