Vehicular pollution is also a factor,” an expert said. Under the head, Asia, it recorded: “Late in the year a new railway bridge over the river Meghna at Bhairab Bazar, in Bengal, was formally opened and named the King George VI Bridge. The Howrah Bridge was thus decked up in protective gear for war. Both rocker and pin bearings are mainly employed in steel bridge structure. Business listings of Steel Structure manufacturers, suppliers and exporters in Howrah, West Bengal along with their contact details & address. The Howrah Bridge was the targeted bridge for a bombing. These values for high-tensile structural steel are the same as those subsequently adopted in BSS No 548, in 1934. Such guiding visionaries were inspiration enough but the department received further impetus when the company was tasked with making a suitable low-alloy structural steel for the New Howrah Bridge Tata Steel records show that the final specification called for the use of high-tensile structural steel having a specified tensile strength between 5.82 and 6.77 metric tons per square millimeter (37 and 43 tons per square inch—1 kilogram is equal to 0.001 metric tonnes, or 0.00110231 tons) and it had to launch a comprehensive R&D initiative to produce steel that would comply with the specifications. Standing tall, watching over life in Kolkata. Built during WWII, it’s one of the world’s busiest bridges and a Kokatan architectural icon. It carries daily traffic of over one Lac … “I remember the bombing of Calcutta by the Japanese, the target being Howrah Bridge”, said Katyum Randhawa, then a young Parsi girl, in a later submission to WW2 People’s War. The Howrah Bridge is a classic example of a balanced cantilever bridge. The constriction cost of the bridge’s new structure was 25 million Indian rupees. 2014-5060 Under The Guidance Of Mr. SOUMEN ROY 2. Bombard the city they did on December 20, 1942, and again but, destined for great glories, the set-to-be-inaugurated Howrah Bridge managed to stay out of the air-raiders’ radar. Tata Steel supplied this alloy steel. Copyright © document.write(new Date().getFullYear()). Excerpted from Howrah Bridge: A Icon In Steel, (2018) published on the 75th anniversary of the inauguration by Tata Steel. Overcoming problems, Tata Steel delivered. The structure that will pass over the railway tracks will be a look-alike of the famous Howrah Bridge." The bridge connects the Western and Southern parts of Mumbai and has contributed to reducing the travel time from an hour to just 10-15 minutes. For most of 21st century Bengal, focused on its “glorious past”, this is the 20th century engineering marvel that could only have been possible in ‘Calcutta’; the colossus, straddling the Hooghly, a distributary of the mighty Ganges. The bridge helps to reduce traffic and accidents, all bridge building designs are not similar, its different construction types of bridges. Find here Steel Structure, suppliers, manufacturers, wholesalers, traders with Steel Structure prices for buying. Even Herge’s Tintin finds himself placed before the Howrah Bridge, on the Facebook page of the Belgian Embassy, without the boy detective ever having visited the city. Such guiding visionaries were inspiration enough but the department received further impetus when the company was tasked with making a suitable low-alloy structural steel for the New Howrah Bridge Tata Steel records show that the final specification called for the use of high-tensile structural steel having a specified tensile strength between 5.82 and 6.77 metric tons per square millimeter (37 and 43 tons per … Tata Steel is a leading global steel company with an annual production capacity of 33 MnTPA, How Tata Steel is regaining its place as India’s largest steel maker, They check the pulse of the city's lifeline, Sir Bradford's Pontoon Bridge, the precursor to the icon, During World War II, the bridge was believed to be a target. Times of IndiaTimes Travel Editor|SIGHTSEEING IN KOLKATA These were barrage balloons, large kite balloon, used to defend installations against aircraft attack by raising aloft cables that created a collision risk and stymied the bomber’s intentions. Much like the Bay Bridge in San Francisco, the Howrah Bridge is a landmark that has become the very identity of Kolkata. How did Tata Steel manage to deliver to the required specifications? © 2019-2021 Tata Sons Private Limited. The archives of Rendel Palmer and Tritton say: “James Meadows Rendel, the 6th President of the Institution of Civil Engineers (ICE) 1851–1853 formed Rendel & Partners in 1838 in London, U.K. In its early years, any Bollywood depiction of “Kullkutta” had to include the silver festoon across the city’s skyline. For this bridge is theirs for safekeeping; it is not merely a bridge for passing but an emotion writ in shining silver. The steel consumed amounts to whopping 8.26,500 tons, during its construction. Times Internet Limited. Fig.4: Pin Bearing for Bridges. About thousand of tons of high-tensile alloy steel was procured from Tata Steel, for the Howrah Bridge. HOWRAH BRIDGE Places to visit in Kolkata . More than 75 years ago, on February 3, 1943, the Howrah Bridge was opened to the public. There is a popular bridge in Kolkata which is over the Hoogly river, today we are going to see the Autobiography of that bridge. In those dark days of World War II, there was no opportunity to celebrate the marvellous piece of engineering; a bridge of steel made in India; almost the entire steel produced by Tata Steel and fabricated by Indian engineering firms and built by Indians to a sophisticated international design. A bridge is a structure made over a river, rail track, road, or something else so that vehicles and peoples cross over those obstacles without much effort. An iconic landmark of Kolkata, Howrah Bridge is a massive steel bridge constructed over the Hooghly River. Also called as Rabindra Setu, it extends across the Hooghly River and connects Howrah and Kolkata. Some famous steel structures are- WALT DISNEY CONCERT HALL,US TYNE BRIDGE,UK HOWRAH BRIDGE,INDIA 3. It required 26,500 tons of steel, out of which 23,000 tons of high-tensile alloy steel, known as Tiscrom, were supplied by Tata Steel. 1. There were also the Nepalis, Gurkhas and even Pathans making valiant contributions. A structure which is made from organised combination of structural STEEL members designed to carry loads and provide adequate rigidity Steel structures involve a sub-structure or members in a building made from structural steel. You have been successfully added to the mailing list of Times of India Travel. steelstructures-130906015820-.pptx - Free download as Powerpoint Presentation (.ppt / .pptx), PDF File (.pdf), Text File (.txt) or view presentation slides online. HOWRAH BRIDGE(ESTD-1943) PRESENTED BY SOURAV ROY HOWRAH BRIDGE(ESTD-1943) PRESENTED BY SOURAV ROY ROLL NO. Popularly referred to as Rabindra Setu and even the gateway of Kolkata, this st... 20/2B, K.P. All rights reservedAbout Us | Sitemap | Authors | Contact Us | Advertise with Us | Privacy Policy | Terms of Use and Grievance Redressal Policy | Feedback A Times of India initiative | Weather powered by Skymet Weather. Out of 26,000 tons of steel… THE DEFINITIVE GUIDE TO DESTINATIONS, ITINERARIES, THINGS TO DO, RESTAURANTS, NIGHTLIFE and LOTS MORE! He had recently established the company's rail terminus in Howrah. Howrah bridge is situated in above the Ganga river called babughat but there is one disadvantages in the bridge traffic jam continue one special thing to note that it is made of pure steel “They looked like Zeppelins to a child”, recalls Ashoke Chatterjee.. All Rights Reserved. High-tensile rivet steel was specified to have an ultimate sheer. Jamsetji, Dorabji and RD Tata defied sceptics to give India her first steel enterprise. The central span of the bridge is 457 m along with a suspended span of 171 m, and cantilever arms of 142 m. The length of the anchor spans is 99 m. The truss formation for the cantilever arm and anchorage arm is a K-type, and that for the suspended span is an N-type. They are checking the pulse of this lifeline to the city of Kolkata, its iconic Howrah Bridge. Today, the Howrah Bridge is a cultural emblem. Its report was available by 1929 and commented upon by the technical media. This Howrah bridge is a landmark in Kolkata. “The steel structure faces regular corrosion because of moisture from the river and the generally high humidity in this part of the country. The iconic landmark of Kolkata, Howrah Bridge is a massive steel structure which is considered as one of the longest cantilever bridges of its type in the world. A cantilever bridge is a bridge built using cantilevers, structures that project horizontally into space, supported on only one end.For small footbridges, the cantilevers may be simple beams; however, large cantilever bridges designed to handle road or rail traffic use trusses built from structural steel, or box girders built from prestressed concrete. Over more than 75 years, the Howrah Bridge has been the grand keeper of the City of Joy. The Technology apart, the Howrah Bridge was built in an environment of religious bonhomie between Hindus, Muslims and Sikhs. Howrah Bridge is a tramway, light or metro rail bridge, road bridge, road bridge, cantilever truss bridge and steel bridge that was built from 1936 until 1943. The bridge bears the load of 100,000 vehicles and more than 150,000 pedestrians every day. The development was managed by the Howrah Bridge Commissioners under the direction of the Commissioners of the Port of Calcutta. The project was assigned to India’s Braithwaite Burn and Jessop Construction Company Limited. Almost unheralded as the bridge itself that was thrown open to the public of ‘Calcutta’, as it was then called, in the dead of the night on February 3, 1943, a tramcar rolling down from the city end to the station end. Of course, the participation became possible thanks to the metallurgical department for process control started by the company in 1925, which was constantly improving steel quality and addressing customer feedback. The bridge officially opened in 1943 when it was the world’s third longest cantilever bridge. to give you a better experience. The bridge officially started for use in 1943 when it was the world’s third-longest cantilever bridge. By 1938, the British Balloon Command was set to work to protect industrial areas and cities, ports and harbours. There were problems with the rolling of sections in the mills. Howrah Bridge is the most famous landmark of Kolkata. The official cantilever design made use of such high-tensile steel wherever it would deliver lower costs. It was the amazing foresight, visionary investment in research and development by the early leaders in Tata Steel; India’s technical competence and the confidence in the country’s ability to deliver the fabulous cantilever structure that Tata Steel celebrates today as it rededicates itself to the task of 21st century nation-building. List of relevant publications and sources such as journal articles, books and conference papers for the structure Howrah Bridge (1936-1943). The main tower was constructed with single monolith caissons of di- 26,000 MT of steel work with Monolith piers having a Central Span of 1,500 feet with approximate truss height of 300 feet Also known as Rabindra Setu, it connects Howrah and Kolkata. For such others as the celebrated but irreverent Geoffrey Moorhouse, it was something of a monstrosity: “There never was a bridge that dominated a landscape as much and in so ungainly a fashion as this one”. The bridge does not have nuts and bolts but was formed by riveting the whole structure. Coming into ‘Calcutta’ in 1945, Ashoke Chatterjee, now 83, found this incredible structure with what seemed to have “dirigibles” flying above it. Howrah Bridge is a 705m-long abstraction of steel cantilevers, sweat and traffic fumes. It is considered one of the longest cantilever bridges in the world. They were the unheralded heroes working under the overall supervision of Britain’s technology experts. the first vehicle over the bridge was a tram. “If they had to rely on import of steel, the construction would have been enormously delayed. Roll pass designers had to step in and to modify the pass design so that it was possible to roll sections in this special alloy steel quality as well as in plain carbon quality on the same roll-setting. The Howrah Bridge was thus decked up in protective gear for war. Howrah Bridge, also known as The bridge constructed for the purpose of providing passage over the obstacle. Shubhankar.sengupta19 / WikiCommons The sight of the bridge deck hanging from 39 pairs of hangers suspended from the main trusses is quite mind-blowing. Built without nuts and bolts, the Howrah Bridge was framed by riveting the whole steel structure. It is considered to be among the longest cantilever bridges in the world. Constructed in 1941 over the river Hooghly, the bridge joins the twin cities of Howrah and Kolkata (Calcutta). Also known as Rabindra Setu, it connects Howrah and Kolkata. The design of bridge has 39 spans of 125 m and a superstructure of composite welded steel truss and reinforced concrete. Roy Lane, Sahid Nagar, Dhakuria, Kolkata 700031, (For more than one recipient, type addresses separated by commas). It had earlier proved its credentials as had local engineering fabricators in the construction of the £450,000 (Rs 60 lakh) King George VI Bridge. The going was not easy and there were difficulties galore though none that its metallurgists and engineers could not overcome. Every festival was celebrated with great gusto, bringing work to a halt. WHAT ARE STEEL STRUCTURES ? The fabricators were Braithwaite, Burn & Jessop Construction Company (BBJ) and the consulting engineers, Messrs Rendel, Palmer and Tritton, of Westminster. The panel points are located in the lower chord of the main trusses through hungers. In 2006, Kolkata port authority repairs some parts of the structure which cost around 5 million. Read excerpts from Howrah Bridge: An Icon in Steel, a coffee table book produced by Tata Steel on the occasion of the 75th anniversary of the inauguration of the bridge. All the steel work, amounting to some 3,400 tons, was manufactured by the Tata Iron and Steel Company”. HappyTrips Editors. Evidence of this is to be had on Page 12, of the Engineer of January 7, 1938. It was all taken in good spirit and never was a day lost to labour trouble of which the city was beginning to get a taste. High-tensile rivet steel was specified to have an ultimate sheer strength, on driven rivets, of 26 tons per square inch. Rocker and pin bearing should be considered when the bridge movement is adequately known and described, since such bearings can make rooms for both translational and … These values for high-tensile structural steel are the same as those subsequently adopted in BSS No 548, in 1934. The official cantilever design made use of such high-tensile steel wherever it would deliver lower costs. How Tata Steel’s IJmuiden emerged a great employer and neighbour over a 100 years. Nevertheless, the design specification was effectively drawn up to cover the use of both ordinary structural steel to BSS 153 and high-tensile structural steel having an ultimate tensile strength of from 37 tons to 43 tons per square inch, “a yield-point of not less than 23 tons per square inch, and an elongation of not less than 18 per cent”, said Maurice and Bateson. Yet other equally discerning European observers have been quite wonderstuck by its majesty with a Frenchman likening it to a supine Eiffel Tower. Thank You for sharing!Your friend will receive the point of interest link on email mentioned. In 1862, the Government of Bengal asked George Turnbull, chief engineer of the East Indian Railway Company to study the feasibility of bridging the Hooghly River. In doing so, it also considered navigational aspects at the Hooghly, hydraulics and its tidal conditions. Terms of Use and Grievance Redressal Policy. HOWRAH BRIDGE - Rabindra Setu (1941) (Cantilever Suspension Bridge) BRAHMAPUTRA BRIDGE is a combined road and rail bridge over the Brahmaputra river in the north eastern Indian state of Assam. The design of the bridge called for high tensile steel. For all purposes, 'Make In India' was born in that era. Three young lads, Sangram, Tapas and Bishu, sure-footed as arboreals, traverse the majestic latticed expanse of over 457.50 metres. Sir Jehanghir Ghandy was knighted because of this contribution”, says Dr Tridibesh Mukherjee, former Deputy Managing Director, Tata Steel. You will rarely find a movie filmed in Kolkata without a flattering shot of the iconic structure in all its glory. The bridge deck descends from panel points placed in the middle of the towers. This bridge consumed 26,500 tons of steel, out of which 23,000 tons of high-tensile alloy steel, known as Tiscrom. Construction of the bridge involved approx. The Howler Bridge is a type of steel bridge called the cantilever system. For the average citizen of this passionate city, it is a magnificent obsession; as it is for the global aficionado. He reported on 19 March, with large-scale drawings and estimates, that: 1943 ‘Calcutta’ was in the vortex of World War II and the Imperial Japanese Army Air Force was eyeing the looming silver structure. Source 2. The Pearl Harbour experience weighed heavily on every mind. It is a 705 meter long steel cantilever bridge.It is said that about 150000 people cross everyday. ELEMENTS IN A STEEL STRUCTURE Structural member is physically distinguishable part of structure with independent structural … India had proved its brilliance in the world and Howrah bridge is stading tall to speak volumes about it. The Howrah Bridge is the first cantilever suspension bridge of its type. Metallurgy scientists say a steel structure like Howrah bridge requires a fresh coat of paints every five to six years. By using our website you agree to our policies. By the time the bridge was being built it had a fully-fledged research and control laboratory that was formally inaugurated on September 14, 1937 by Chairman, Sir Nowroji Saklatvala, and Sir M Visvesvaraya. The Howrah Bridge connects Calcutta with the Howrah district on the opposite bank. This was the company that was asked to design the cantilever bridge of 1,500 feet span, with a fixed height, a 71 feet wide roadway with two 15 feet cantilever footways. To complete the subscription process, kindly open your inbox and click on the confirmation link which has been emailed to you. there are different types of bridge-constructions design. Updated : Jan 4, 2018, 14.52 IST. In 1943 the new Howrah bridge was opened for general people. High-tensile structured steel had by then proven itself. Steel is indeed suitable for most span ranges, but particularly for longer spans. Made in India; skill India…it all began with the Howrah Bridge, says Ashoke Chatterjee, a design guru and the acknowledged master of India’s creative space, who has literally “experienced” the bridge since the age of 10. Today, the young trio is the unheralded hero of the bridge…. The project is located in Kolkata, West Bengal, India. 1 beam bridge 2 truss bridge 3 arch bridge 4 suspension bridge 5 cable stayed bridge 6 cantilever bridge Not even the registers of the Port Commissioners dared log an entry. Even during this period, Tata Steel had to sell steel to support the war effort; steel was sold at controlled prices! Structural steel has been the natural solution for long span bridges since 1890, when the Firth of Forth cantilever bridge, the world's major steel bridge at that time was completed. The company later changed its name to Rendel, Palmer & Tritton”. The Howrah Bridge does not have nuts and bolts,but was formed by riveting the whole structure. The bridge’s length is 655.94m, and the total length is 705m, including the access road. Read below excerpts from Howrah Bridge: An Icon in Steel, a coffee table book produced by Tata Steel on the occasion of the 75th  anniversary of the inauguration of the bridge in 2018. The Howrah Bridge is a suspension type balanced cantilever bridge with the central span between the two main towers of the bridge measuring about 1500 ft, … Howrah Bridge, Kolkata When one thinks of Kolkata, the image of the Howrah bridge pops into one's head. “The name Tata Iron and Steel Co is embossed on the steel structural”, he says. They inspect every nook and corner for any tell-tale sign of potential harm to the bridge; from bird nests to any suspicious corrosive ‘brownish red’ stain. Nevertheless, the design specification was effectively drawn up to cover the use of both ordinary structural steel to BSS 153 and high-tensile structural steel having an ultimate tensile strength of from 37 tons to 43 tons per square inch, “a yield-point of not less than 23 tons per square inch, and an elongation of not less than 18 per cent”, said Maurice and Bateson. The 1933 estimates for a self-anchored suspension bridge and, optionally, for a comparable cantilever bridge, clearly demonstrated their faith in the strength and value for money propositions of high-tensile structured steel. The degree of spread of the steel under the rolls was different from the plain carbon steel. Constructed without nuts and bolts, the Howrah Bridge was formed by riveting the entire steel structure. “They looked like Zeppelins to a child”, recalls Ashoke Chatterjee... An Indian enterprise was ready with the ability to supply steel to the required specifications. Today, it is the sixth longest bridge of its type in the world. For a technological marvel that had given rise to much discussion in technology circles the world over, ever since the designs—for what was then to be the longest cantilever bridge—were being worked on, the eerie silence upon completion was a testament to the terrifying oppressiveness of war. KOLKATA,WEST BENGAL/INDIA-MARCH 20 2018:At the enntrance to Howrah bridge a bus and other traffic converges to cross the busy structure that crosses t Women running water into a steel dish from a stand pipe at Norbulingka institute. It is indeed an engineering marvel. “The Howrah Bridge is a suspension type balanced cantilever bridge.” The super-structure is built up with riveted sections made of a combination of high tensile and mild steel. An iconic landmark of Kolkata, Howrah Bridge is a massive steel bridge constructed over the Hooghly River. 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