Jembatan Koror-Babeldaob: Perbedaan antara revisi
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[[Berkas:Palau Koror-Babeldaob bridge map-en.svg|
'''Jembatan Koror-Babeldaob''' adalah sebuah jembatan di [[Palau]] yang menghubungkan [[Koror]] dan [[Kepulauan Babeldaob]]. Jembatan ini beton bertulang, rangka portal, kabel jembatan dengan total panjang 413 m. Dibangun oleh [[Kajima]]
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== Collapse of the former KB Bridge ==
The original '''Koror-Babeldaob Bridge''' was a [[cantilever bridge|balanced cantilever]] [[prestressed concrete]] [[box girder bridge]] with a main [[span (architecture)|span]] of 240.8 m and total length of 385.6 m (1265 ft). It was designed by [[Dyckerhoff_%26_Widmann_(Dywidag)|Dyckerhoff & Widmann AG]] and Alfred A. Yee and Associates. It was constructed by Dyckerhoff & Widmann AG, contractor was Palau based<ref>[http://www.surangel.com/socio/ Socio Website]<br>...Welcome to Socio's website. Socio is a construction and engineering
firm located in Koror, Palau and operated under Surangel and Sons Co.</ref><ref>[http://www.surangel.com/contactus1.html Locate and HeadQuarter of Surangel and Sons Company]</ref> Korean company, Socio Construction Co.<ref>[http://megalodon.jp/contents/017/600/893.mime4 A picture of the plate] in [[Hangul]] and English which is recessed at the former KB Bridge.</ref><ref>According to [http://en.structurae.de/structures/data/index.cfm?ID=s0001026 Structurae database], the bridge was completed in 1978. However, there are also sources which describe it as in 1977.</ref> It was the world's largest bridge of its type,<ref>Troyano, L.F., "Bridge Engineering: A Global Perspective", Thomas Telford Publishing, 2003, p.426</ref> until its record was broken by the 260 m span of the Gateway Bridge in [[Brisbane]], [[Australia]], finished in [[1985]].
This led to two studies carried out by Louis Berger International and the [[Japan]] international Co-operation Agency. They concluded that the bridge was "safe" and the large deflections were due to creep and the modulus of elasticity of the concrete in place being lower than anticipated.<ref name=Pilz>[http://aspdin.wifa.uni-leipzig.de/institut/lacer/lacer02/l02_06.pdf The Collapse of the K-B Bridge in 1996] Matthias Pilz, Institut für Massivbau und Baustofftechnologie, Universität Leipzig</ref>
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On September 26, 1996, the bridge suddenly collapsed and shut off fresh water and electricity between the islands. In addition, the collapse killed two people and injured four more. This caused the government to declare a [[state of emergency]]. By request of [[Kuniwo Nakamura]], then the country's [[President of Palau|President]] and foreign minister, [[Japan]] provided emergency aid as well as a temporary bridge.<ref>[http://www.britannica.com/eb/article-9114428 Pontoon Type (Floating Structure with Flat Plates) bridge, Palau History; page 1] Britannica Online Encyclopedia</ref>
<ref>[http://stuffedwombat.com/gallery2.html Picture of the temporary bridge] Stuffedwombat.com</ref>-->
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[[Kategori:Jembatan di Palau]]
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