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When a new road bridge was constructed alongside it, plans were made to demolish the Conwy Suspension Bridge. There was a national outcry and, since 1958, the bridge has been in the care of the National Trust and closed to vehicular traffic.
Designed by Thomas Telford in the gothic style to emulate the Conwy Castle and built between 1822 and 1826, Telford used the same technology to build this bridge as he did the Menai Suspension Bridge. This bridge has two pairs of solid ashlar limestone towers that are 12 feet 4 inches in diameter and 40 feet high. They support chains which span 327 feet between their supports on the towers. They are linked by castellated walls containing the ten feet wide carriageway ches. The wrought iron chains are arranged in two tiers of five nine feet long links joined by deeper plates, the joints of which are alternated. While the original deck had to be replaced in 1896, the Conwy Suspension bridge still has its original iron chains.
For more civil engineering history, go to www.asce.org/history.
Taken during a two-week, 9 hours a day, intensive class for civil engineers at Michigan Tech. Probably the least boring class I've ever taken.
Civil engineering sophomore Alison Willie talks about the danger of ocean waste and ways to clean up the sea.
In a special summer UrbanPlan Scholars program, four teams presented their proposals for a six-acre parcel next to UH West Oahu. They had to address zoning requirements, affordable housing/workforce housing, rail/transit issues, agriculture, and energy.
UrbanPlan is a global competition run by the international Urban Land Institute. Hawaii schools have taken top honors in the global competition two years in a row, including Iolani School last month, and Iolani and Kalani two years ago.
Teams were made up of local high school students from Iolani, Kalani, LeJardin, MidPac, Punahou, and St. Andrews.
They conducted outreach to stakeholders and residents in West Oahu and found affordable housing to be the number one community need.
Ideas ranged from rooftop greenhouses and beekeeping to fully solar-powered facilities to integrating UHWO student and campus life.
Judges included Bob Harrison (FHB), Duff Janus (ASB), Brennon Morioka (UH), Mike Gabbard (Senate), Jim Houchens (Mitre), and Alana Kobayashi.
Bernice Glenn Bowers helped them plan for future high-tech industry in the area, doubled the size of the cash prize to $1,500.
Milwaukee, Wisconsin
Completed in 1906
Designed by Claude A. P. Turner, a pioneer of reinforced concrete construction, the Marshall Building was constructed originally in 1906 as a five-story building. In 1911 the sixth floor of the building was added as per Turner's original design. This building is the oldest extant example of Turner's "mushroom" flat-slab system which transformed the design and construction of reinforced-concrete floors worldwide.
Turner's flat-slab system differed from previous reinforced-concrete construction in that it consisted of only a slab and supporting columns, eliminating the time and expense of formed beams on the underside of the floor. This new system was the subject of intense debate and controversy when it was introduced. But, due to Turner's persistent promotion, application, and defense of his system, it was embraced by the civil engineering community within a few years.
The flat slab design pioneered by C.A.P. Turner is still a common and popular design option in building construction. The construction methods developed and technology used for flat-slab buildings have contributed to the efficiency and versatility of the construction industry. Turner's design from the early 1900's is still a design of choice for many buildings in the United States. It is a safe and economical choice for building owners.
In addition to previously mentioned economies gained from this flat-slab design, other economies introduced included the following:
-Improving fire protection by reducing the number of sprinkler heads required and allowing more latitude in their placement.
-Lowering both floor-to-floor heights and construction costs through reduction in cladding and column construction.
Improving illumination from windows and overhead lights.
-Increasing the number of opportunities for shafts and other floor openings.
For more information on civil engineering history, go to www.asce.org/history.
Fort Peck, Montana
Constructed 1933-1940
The Fort Peck Dam was a cornerstone project of the Works Progress Administration of Franklin D. Roosevelt's New Deal. It required the largest construction plant and workforce since the construction of the Panama Canal and peaked at 11,000 workers. It was the largest dam of any type in the world for over 30 years.
The record-setting, hydraulic-filled structure required the excavation of over 14 million cubic yards of earth, mixing it with water and then transporting it to the site. Its steel sheetpile foundations, installed to prevent water from seeping through the earth under the dam, extended to a record depth of 163 feet.
For more information on civil engineering history, go to www.asce.org/history.
MSA Professional Services served as the lead architect and engineer throughout the design of 519 E. Green for Bankier Apartments in Champaign, Illinois. The 14-story design makes a bold statement in the heart of the University of Illinois Urbana-Champaign Campustown area.
After mixing, pouring, reinforcing and rising early each morning to water their concrete cylinder experiments for the past week, 55 students from Hudson Bend Middle School traveled to a University of Texas at Austin civil engineering laboratory to destroy their work.
The old road bridge was destoyed by the floods of November 2009. Now at last the new bridge is nearing completion: the final span was being carefully slotted in to place when we were there, Thursday 3rd May 2012.