Civil engineering

People re-created the historic photo of the meeting of the rails from May 10, 1869, during the commemoration of the 150th anniversary of the Transcontinental Railroad completion at the Golden Spike National Historical Park Friday, May 10, 2019, in Promontory, Utah. (AP Photo/Rick Bowmer)
May 10, 2019 - 7:34 pm
PROMONTORY, Utah (AP) — Music, bells and cannon fire rang out Friday at a remote spot in the Utah desert where the final spikes of the Transcontinental Railroad were hammered 150 years ago, uniting a nation long separated by vast expanses of desert, mountains and forests and fresh off the Civil War...
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A person walks along the lakeshore, Wednesday, Jan. 30, 2019, in Chicago. A deadly arctic deep freeze enveloped the Midwest with record-breaking temperatures on Wednesday, triggering widespread closures of schools and businesses, and prompting the U.S. Postal Service to take the rare step of suspending mail delivery to a wide swath of the region. (AP Photo/Kiichiro Sato)
January 30, 2019 - 5:04 pm
CHICAGO (AP) — A blast of polar air enveloped much of the Midwest on Wednesday, closing schools and businesses and straining infrastructure across the Rust Belt with some of the lowest temperatures in a generation. The deep freeze snapped rail lines and canceled hundreds of flights in the nation's...
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The Hong Kong-Zhuhai-Macau Bridge is seen in Hong Kong, Monday, Oct. 22, 2018. The bridge, the world's longest cross-sea project, which has a total length of 55 kilometers (34 miles), will have opening ceremony in Zhuhai on Oct. 23. (AP Photo/Kin Cheung)
October 23, 2018 - 1:31 am
ZHUHAI, China (AP) — China on Tuesday opened the world's longest sea-crossing bridge linking Hong Kong to the mainland, a feat of engineering carrying immense economic and political significance. Chinese President Xi Jinping presided over a ceremony in the city of Zhuhai to open the 55-kilometer (...
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In this July 2, 2018, photo, traffic moves on the old Gerald Desmond Bridge next to its replacement bridge under construction in Long Beach, Calif. The new Gerald Desmond Bridge stretching over the Port of Long Beach is being built with about 75 seismic sensors called accelerometers. They’ll measure the forces imparted on the bridge during an earthquake. It’s slated to open next year. (AP Photo/Jae C. Hong)
September 04, 2018 - 2:01 am
LONG BEACH, Calif. (AP) — A replacement bridge under construction at the nation's second-busiest port isn't just a crucial route for cargo trucks and Southern California commuters — it's a concrete-and-steel science experiment for engineers and seismologists. The new Gerald Desmond Bridge...
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A view of the partially collapsed Morandi highway bridge, in Genoa, Italy, Sunday, Aug. 19, 2018. The unofficial death toll in Tuesday's collapse rose to 43 Saturday. (Luca Zennaro/ANSA via AP)
August 20, 2018 - 12:46 pm
GENOA, Italy (AP) — Engineering experts determined in February that corrosion of the metal cables supporting the Genoa highway bridge had reduced the bridge's strength by 20 percent — a finding that came months before it collapsed last week, an Italian newsmagazine reported Monday. Despite the...
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A view of the partially collapsed Morandi highway bridge, in Genoa, Italy, Sunday, Aug. 19, 2018. The unofficial death toll in Tuesday's collapse rose to 43 Saturday. (Luca Zennaro/ANSA via AP)
August 19, 2018 - 3:54 pm
ROME (AP) — The Italian engineer who designed the Genoa bridge that collapsed and killed dozens warned four decades ago that it would require constant maintenance to remove rust given the effects of corrosion from sea air and pollution on the concrete. RAI state television broadcast excerpts Sunday...
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A view of the partially collapsed Morandi highway bridge in Genoa, Italy, Thursday, Aug. 16, 2018. Italian authorities have lowered the death to 38 from 39 in the collapse of a highway bridge in Genoa. Genoa Prefect Office official Raffaella Corsaro told AP that there had been a "misunderstanding" about information from ambulance dispatchers. Earlier, Interior Minister Matteo Salvini said that as rescuers comb through the rubble for more bodies it will be "inevitable" that the death toll will eventually rise. Dozens of vehicles plunged into a dry river bed after the collapse Tuesday. (Luca Zennaro/ANSA via AP)
August 16, 2018 - 5:09 pm
MILAN (AP) — Collapsed concrete, twisted metal, crushed cars. While the disaster in Genoa was the deadliest in recent years, Italy has seen other bridge and highway collapses that have raised alarm about the state of its aging transportation infrastructure. The 51-year-old Morandi Bridge was a key...
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Cars and trucks are left on a section of the collapsed Morandi highway bridge in Genoa, northern Italy, Wednesday, Aug. 15, 2018. A bridge on a main highway linking Italy with France collapsed in the Italian port city of Genoa during a sudden, violent storm, sending vehicles plunging 90 meters (nearly 300 feet) into a heap of rubble below. (AP Photo/Nicola Marfisi)
August 15, 2018 - 9:34 am
GENOA, Italy (AP) — Italian prosecutors on Wednesday focused their investigation into the Genoa highway bridge collapse on possible design flaws or inadequate maintenance, as the death toll rose to 39 and Italian politicians looked for someone to blame. Fears mounted that a part of the Morandi...
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Rescuers work to recover an injured person after the Morandi highway bridge collapsed in Genoa, northern Italy, Tuesday, Aug. 14, 2018. The highway bridge collapsed during a violent storm, sending vehicles plunging 45 meters (nearly 150 feet) into a heap of rubble. Authorities said at least 20 people were killed, although some people were found alive in the debris. (Luca Zennaro/ANSA via AP)
August 14, 2018 - 6:19 pm
MILAN (AP) — A 51-year-old highway bridge in the Italian port city of Genoa collapsed in a driving rain Tuesday, killing at least 26 people and injuring 15 others as it sent dozens of vehicles tumbling into a heap of concrete and twisted steel. Italian Premier Giuseppe Conte called it "an immense...
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Rescues work among the debris of the collapsed Morandi highway bridge in Genoa, Tuesday, Aug. 14, 2018. Italian authorities say that about 10 vehicles were involved when the raised highway collapsed during a sudden and violent storm in the northern port city of Genoa, while private broadcaster Sky TG24 said the collapsed section was about 200-meter long (650 feet). (Luca Zennaro/ANSA via AP)
August 14, 2018 - 1:14 pm
MILAN (AP) — The Latest on the collapse of a bridge in Italy (all times local): 7 p.m. A man who was under the highway bridge that collapsed in Italy calls it "a miracle" that he survived. The middle-aged man tells local Italian TV that he was standing in front of his truck under the bridge in the...
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