[33]:116–8, During the American Civil War various forms of pontoon bridges were tried and discarded. When the Lacey V. Murrow Memorial Bridge sank, it severed the anchor cables of the bridge parallel to it. The M4 bridge featured a lightweight aluminum balk deck supported by rigid aluminum hull pontoons. Each spans 17.7m and is 3.3m wide. US $189.00-$239.00 / Piece 1 Piece (Min. To increase weight bearing capacity, they used bigger floats to add buoyancy. 34 in. 120 ft. Span 16ft. Smaller, lighter pneumatic pontons piggy-backed upon large aluminum heavy pontons for combined transport, Pneumatic pontons support a treadway bridge, Pneumatic pontons being carried by heavy 6×6 transports, Heavy ponton bridge supported by large aluminum pontons, Infantry support bridge supported by light aluminum pontoons, Treadway being installed using truck mounted crane, Treadway style infantry support bridge built on light aluminum pontons, M2 Treadway bridge supported by pneumatic floats, British troops crossing the Seine at Vernon, France on 28 August 1944, German pioneers construct a pontoon bridge across the Dnieper during the battle of Kiev, September 1941, German engineers building a pontoon bridge across the Prut River during the advance towards Uman, July 1941. A pontoon bridge (or ponton bridge), also known as a floating bridge, uses floats or shallow-draft boats to support a continuous deck for pedestrian and vehicle travel. The system was developed by the West German firm Eisenwerke-Kaiserslauter (EWK) and entered production by the French-German consortium Pontesa. For Emperor Darius I The Great of Persia (522–485 BC), the Greek Mandrocles of Samos once engineered a pontoon bridge that stretched across the Bosporus, linking Asia to Europe, so that Darius could pursue the fleeing Scythians as well as move his army into position in the Balkans to overwhelm Macedon. The spelling "ponton" in English dates from at least 1870. A pontoon bridge is something that can be put into place quickly, and they are also inexpensive in terms of cost. HSS runner skid. The MFAB-F remained in service into the early 1980s before being replaced by a simpler continuous pontoon or "ribbon bridge" system. Structurally Sound Although earlier temporary ponto… [26] Tenth-Century German Ottonian capitularies demanded that royal fiscal estates maintain watertight, river-fordable wagons for purposes of war.[26]. ... Cheng Khang Chheng says that the Zhou people invented it and used it whenever they had occasion to do so, but the Qin people, to whom they handed it down, were the first to fasten it securely together (for permanent use).[16]. 4 in. The water used in this process was temporarily stored in the hollow chambers in the pontoons of the bridge in order to prevent it from contaminating the lake. They placed them together thus, and let down very large anchors, those on the one side towards the Pontus because of the winds which blow from within outwards, and on the other side, towards the West and the Egean, because of the South-East and South Winds. They were moored in position using wires attached to "Kite" anchors which were also designed by Allan Beckett. During the Peninsular War the British army transported "tin pontoons"[29]:353 that were lightweight and could be quickly turned into a floating bridge. America created their own version. 10 ft. tall. We offer used steel vehicle bridge structures, many of which are pre-engineered and prefabricated to ship and install quickly with local crews and equipment. Copper was used in preference to fast-corroding tin. Pontoon bridges have been in use since ancient times and have been used to great advantage in many battles throughout history, among them the Battle of Garigliano, the Battle of Oudenarde, the crossing of the Rhine during World War II, and during the Iran–Iraq War Operation Dawn 8. In the early Cold War period the Soviet Red Army began development of a new kind of continuous pontoon bridge made up of short folding sections or bays that could be transported and deployed rapidly, automatically unfold in the water, and quickly be assembled into a floating bridge of variable length. x 21 in. 3 Sections - Originally 200 Plus Feet  The bridge can be induced to sway or oscillate in a hazardous manner from the swell, from a storm, a flood or a fast moving load. The M1940 could carry up to 25 short tons (23 t). The new SR floating bridge, the longest floating bridge in the world, connects Seattle with King County's Eastside communities. EWK further developed the EFA system into the M2 "Alligator" Amphibious Bridging Vehicle equipped with fold-out aluminum flotation pontoons, which was produced from 1967 to 1970 and sold to the West German, British and Singapore militaries. The sinking began the morning of November 25, 1990, with pontoon "A5," centrally located in the bridge. A modern pontoon bridge can also offer the type of durability associated with a fixed bridge. We are also able to offer custom prefabricated bridges with steel trusses or beams as the main load carrying members. [47], By 1943, combat engineers faced the need for bridges to bear weights of 35 tons or more. The 18 short tons (16 t) capacity float was 8 feet 3 inches (2.51 m) wide, 33 feet (10 m) long, 2 feet 9 inches (0.84 m) deep.[44]. [43] The pneumatic float consisted of an outer perimeter tube, a floor, and a removable center tube. Location: Western USA The PMP proved its viability in combat when it was used by Egyptian forces to cross the Suez Canal in 1973. Operation Badr, which opened the Yom Kippur War between Egypt and Israel, involved the erection of at least 10 pontoon bridges to cross the Canal.[50]. 2 Lane Bridge New & Used Pedestrian and Vehicle Steel Bridges For SaleSavona Equipment will buy, sell and consign your new or used steel bridges. It was removed in 34 minutes the next day.[33]:122–124. Arrange your floating pontoon hire now with floating Pontoon Solutions on 01253 921352. There was also the rebellion of Gongsun Shu in 33 AD, where a large pontoon bridge with fortified posts was constructed across the Yangtze River, eventually broken through with ramming ships by official Han troops under Commander Cen Peng. While undergoing reconstruction in 1990, an 850-m-long section of the bridge sank when a storm filled one pontoon. However, the historian Joseph Needham has pointed out that in all likely scenarios, the temporary pontoon bridge was invented during the 9th or 8th century BC in China, as this part was perhaps a later addition to the book (considering how the book had been edited up until the Han Dynasty, 202 BC – 220 AD).