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Επεισόδια
- Σ1 Ε1 – Learning from Failure: Three Vignettes21 Ιουνίου 202335 λεπτάWhat does a 19th-century British railway disaster have in common with the 21st-century destruction caused by Hurricane Katrina in New Orleans? All were engineering failures that resulted in important improvements in the engineering process. Discover the very human issues that contributed to poor engineering decisions in these three cases, with disastrous consequences.Δωρεάν δοκιμή του The Great Courses Signature Collection ή αγορά
- Σ1 Ε2 – Flawed Design Concept: The Dee Bridge21 Ιουνίου 202337 λεπτάOne spring evening in the mid-19th century, a three-span iron bridge across England’s River Dee collapsed just as a locomotive reached the middle of the third span. Railroad technology was only just coming of age, and this collapse was one of its most serious accidents to date. Discover how this accident inquiry led to improved bridge safety throughout the country.Δωρεάν δοκιμή του The Great Courses Signature Collection ή αγορά
- Σ1 Ε3 – Wind Loading: The Tay Bridge21 Ιουνίου 202337 λεπτάWhen the Tay Bridge in Scotland was completed in 1878, it became the longest bridge in the world. Discover the behind-the-scenes details of the bridge design and construction, and how the failure of one single, simple connection triggered a chain of events that brought down a 4,000-ton structure.Δωρεάν δοκιμή του The Great Courses Signature Collection ή αγορά
- Σ1 Ε4 – Rainwater Loading: Kemper Arena21 Ιουνίου 202331 λεπτάIn 1976, the American Institute of Architects presented an Honor Award to Helmut Jahn for his innovative design of the Kemper Arena in Kansas City. Three years later, a 43,000-square-foot section of the roof collapsed. Follow the forensic engineers as they painstakingly analyze the arena’s innovative design and identify four major factors that contributed to the roof’s collapse.Δωρεάν δοκιμή του The Great Courses Signature Collection ή αγορά
- Σ1 Ε5 – Earthquake Loading: The Cypress Structure21 Ιουνίου 202337 λεπτάWhile the Loma Prieta earthquake caused many fires, landslides, and structural failures, two thirds of the fatalities were caused by the collapse of the Cypress Structure, a two-level elevated highway. Explore the complex effects of earthquakes on structures and learn the role resonance and sediment-induced amplification played in this catastrophe.Δωρεάν δοκιμή του The Great Courses Signature Collection ή αγορά
- Σ1 Ε6 – Vehicle Collisions: Land and Sea21 Ιουνίου 202332 λεπτάWhen an unexpected squall limited visibility to near zero, the Summit Venture freighter collided with Tampa’s Sunshine Skyway Bridge on May 9, 1980, shearing off a reinforced concrete pier and toppling 1,300 feet of the bridge into the bay. Was this an engineering failure? Or was it just an accident? Discover how high-quality engineering design can account for and minimize accidental catastrophe.Δωρεάν δοκιμή του The Great Courses Signature Collection ή αγορά
- Σ1 Ε7 – Blast Loading: The Murrah Federal Building21 Ιουνίου 202331 λεπτάOn April 19, 1995, Timothy McVeigh’s bomb demolished almost half of the Alfred P. Murrah Federal Building in Oklahoma City, killing 168 people. Explore details of the building’s design and specific ways in which various structural elements responded to the blast. Is it possible that modest changes to the steel reinforcement might have allowed the building to survive with only localized damage?Δωρεάν δοκιμή του The Great Courses Signature Collection ή αγορά
- Σ1 Ε8 – Structural Response: The Hyatt Regency Walkways21 Ιουνίου 202335 λεπτάIn 1978, a developer chose to build a hotel in Kansas City using a management technique called fast-tracking, in which construction begins before the design is complete. What can happen when each principal assumes that someone else has designed a critical structural connection? Explore the series of mistakes that led to the tragic collapse of two suspended walkways and the deaths of 114 people.Δωρεάν δοκιμή του The Great Courses Signature Collection ή αγορά
- Σ1 Ε9 – Bridge Aerodynamics: Galloping Gertie21 Ιουνίου 202340 λεπτάOne of the most epic engineering failures in history was the collapse of the Tacoma Narrows Bridge in 1940. Nicknamed “Galloping Gertie,” the bridge undulated so strongly that thrill-seekers came from all over just to drive across it. Explore the inherent structural inefficiency of the suspension bridge, and why this bridge failed spectacularly only four months after its opening.Δωρεάν δοκιμή του The Great Courses Signature Collection ή αγορά
- Σ1 Ε10 – Dynamic Response: London’s Wobbly Bridge21 Ιουνίου 202333 λεπτάOn June 10, 2000, Londoners celebrated the opening of a state-of-the-art pedestrian bridge over the Thames River. Two days later, the Millennium Bridge was vibrating so intensely that it was closed and did not reopen for more than two years. Explore the phenomenon of synchronous lateral excitation and learn how engineers fixed “The Wobbly Bridge” and prevented similar failures in other bridges.Δωρεάν δοκιμή του The Great Courses Signature Collection ή αγορά
- Σ1 Ε11 – Dynamic Response: Boston’s Plywood Palace21 Ιουνίου 202335 λεπτάBoston’s John Hancock Tower was still under construction when winds of 75 miles per hour struck on January 20, 1973. By morning, 65 exterior glass panels lay shattered on the ground. Around that time, construction workers reported severe swaying of the structure during winds. Discover how tuned-mass damper technology became an effective tool for controlling wind- and earthquake-induced sway.Δωρεάν δοκιμή του The Great Courses Signature Collection ή αγορά
- Σ1 Ε12 – Stone Masonry: Beauvais Cathedral21 Ιουνίου 202338 λεπτάOn November 29, 1284, much of the Cathedral of Saint-Pierre at Beauvais collapsed without warning. Had this Gothic church simply exceeded the inherent maximum height of a stone structural system, as some historians have suggested? Watch fascinating demonstrations that both explain the function of the medieval flying buttress and point to the design flaws that most likely caused the collapse.Δωρεάν δοκιμή του The Great Courses Signature Collection ή αγορά
- Σ1 Ε13 – Experiment in Iron: The Ashtabula Bridge21 Ιουνίου 202339 λεπτάHanding lucrative contracts to family members rarely has it led to such a public catastrophe as the 1876 Ashtabula Bridge disaster. As you learn the fascinating history of entrepreneur Amasa Stone—who built an iron bridge using a structural concept specifically developed for wood—you’ll follow the mistakes that led to America’s worst rail accident and worst bridge failure up to that time.Δωρεάν δοκιμή του The Great Courses Signature Collection ή αγορά
- Σ1 Ε14 – Shear in Concrete: The FIU Pedestrian Bridge21 Ιουνίου 202335 λεπτάThe Florida International University Pedestrian Bridge was created with long-span trusses made of reinforced concrete, using post-tensioning to prevent cracking. Cracks that appeared were said to be “not a safety issue”—until a truss collapsed, killing six people. Explore what led to this tragedy, including problems with the most sophisticated engineering tool of all—human judgment.Δωρεάν δοκιμή του The Great Courses Signature Collection ή αγορά
- Σ1 Ε15 – House of Cards: Ronan Point21 Ιουνίου 202334 λεπτάModular, reinforced-concrete components can be manufactured in a factory, transported to the job site, and then assembled into multi-story buildings. But in one such 22-story development, a minor gas explosion dislodged a load-bearing wall, triggering a major collapse. Discover how this could happen in a building that was in full compliance with the governing building code.Δωρεάν δοκιμή του The Great Courses Signature Collection ή αγορά
- Σ1 Ε16 – Brittle Fracture: The Great Molasses Flood21 Ιουνίου 202333 λεπτάIn December 1915, United States Industrial Alcohol (USIA) built—without any formal engineering design—a massive cylindrical steel tank along Boston’s North End waterfront to store incoming shipments of molasses. When the tank ruptured three years later, 21 people died. Explore the phenomena of metal fatigue and brittle fracture and learn what role they played in the Great Boston Molasses Flood.Δωρεάν δοκιμή του The Great Courses Signature Collection ή αγορά
- Σ1 Ε17 – Stress Corrosion: The Silver Bridge21 Ιουνίου 202330 λεπτάIn 1967, the Silver Bridge in West Virginia collapsed into the Ohio River, killing 46 people. For 39 years, the bridge had been hailed as an engineering triumph with its cost-saving, innovative structural concept. Follow this fascinating story of forensic engineering as investigators eventually determined that the 1,965-foot bridge failed because one eyebar in a suspension chain fractured.Δωρεάν δοκιμή του The Great Courses Signature Collection ή αγορά
- Σ1 Ε18 – Soil and Settlement: The Leaning Tower of Pisa21 Ιουνίου 202330 λεπτάWhat would the Tower of Pisa be if it weren’t leaning? Certainly not as attractive to tourists. That was the issue faced by the late-20th-century engineers who devised a way to reduce the tower’s angle of tilt. Take a journey through the centuries to explore how various engineers tried to stabilize the leaning tower, but only succeeded in making the problem worse.Δωρεάν δοκιμή του The Great Courses Signature Collection ή αγορά
- Σ1 Ε19 – Water in Soil: Teton Dam and Niigata21 Ιουνίου 202331 λεπτάWithin days of filling its reservoir, the Teton Dam began to leak. By the end of the day the dam had been breached and the reservoir poured down the Teton Valley in a tidal wave. Explore the potentially catastrophic effects of water moving through soil under pressure—whether in dams and levees or in the liquefaction caused by earthquakes.Δωρεάν δοκιμή του The Great Courses Signature Collection ή αγορά
- Σ1 Ε20 – Construction Engineering: Two Failed Lifts21 Ιουνίου 202332 λεπτάSome engineering failures occur when the construction process goes badly awry. Explore two such cases: one in which five people died trying to implement an ad hoc solution to an unexpected construction challenge and one in which a building collapse was caused by a flawed technology that was intended solely to improve construction efficiency.Δωρεάν δοκιμή του The Great Courses Signature Collection ή αγορά
- Σ1 Ε21 – Maintenance Malpractice: The Mianus River Bridge21 Ιουνίου 202335 λεπτάYou know that if you don’t maintain your car, it can stop working. But we have often overlooked that lesson when it comes to bridges. Follow the fascinating case of the Mianus River Bridge and discover how lack of maintenance caused its collapse in 1983, although the bridge had just been inspected. What happened to those pin-and-hanger connections? And exactly, whose fault was it?Δωρεάν δοκιμή του The Great Courses Signature Collection ή αγορά
- Σ1 Ε22 – Decision-Making: The Challenger Disaster21 Ιουνίου 202337 λεπτάUnlike most structural catastrophes, the 1986 Challenger disaster occurred on live TV. Explore behind the scenes to learn about what led to this catastrophic result. It will become clear that this disaster—which killed seven people and threw the entire US space program into crisis—was as much a failure of organizational decision-making as it was an engineering failure.Δωρεάν δοκιμή του The Great Courses Signature Collection ή αγορά
- Σ1 Ε23 – Nuclear Meltdown: Chernobyl21 Ιουνίου 202343 λεπτάNo engineering failure in history had more world-changing consequences than the 1986 accident at the Chernobyl Nuclear Power Plant in the former Soviet Union. Discover the numerous design, personnel, and bureaucratic flaws that resulted in the explosion of Reactor 4 during a routine safety test—releasing 800 times more radioactive material than the atomic bombings of Hiroshima and Nagasaki.Δωρεάν δοκιμή του The Great Courses Signature Collection ή αγορά
- Σ1 Ε24 – Blowout: Deepwater Horizon21 Ιουνίου 202340 λεπτάIt's easy to imagine the technical difficulties that come with drilling an exploratory well miles below a floating platform on the high seas. Explore the step-by-step sequence of failures—flawed design decisions, careless oversights, deliberate procedural shortcuts, and prioritizing profits over safety—that led to the worst environmental disaster in US history.Δωρεάν δοκιμή του The Great Courses Signature Collection ή αγορά
- Σ1 Ε25 – Corporate Culture: The Boeing 737 MAX21 Ιουνίου 202339 λεπτάWhat role should corporate culture play in the development of an airplane? Discover what went wrong in the development of Boeing’s 737 MAX and how the flawed design of the airplane’s flight control system led to 346 deaths in two separate crashes. Have we learned the apparently difficult lesson that prioritizing the corporate bottom line over technological excellence does not work?Δωρεάν δοκιμή του The Great Courses Signature Collection ή αγορά
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