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Waynesboro, Virginia
Completed 1858
The railroad system is the triumph of the age. The ultimate effects of its introduction are incalculable ....
- Claudius Crozet, in an address to Virginia legislators, late 1820s
One of four single-track tunnels built by the Blue Ridge Railroad, the 4,273-foot Crozet Tunnel was constructed at a time when hand drills, pickaxes, and black powder amounted to state-of-the-art tunneling technology. At the time of its completion, it was the longest railroad tunnel in the world. Envisioned and built by Claudius Crozet, a French-born educator and civil engineer, the tunnel remains a testament to his belief in advancing rail transportation even when faced with numerous difficulties.
In the nearly 10 years required to build the tunnel, Crozet was forced to deal with fighting between laborers, a cholera outbreak, a national financial crisis, and persistent personal criticism. Overseeing work crews boring from each end, Crozet encountered hard rock, frequent rock slides, unusually heavy winter snows, and problems with ventilation and drainage that adversely affected working conditions. To honor Crozet's accomplishment, a nearby town was named after him.
Facts
- Located at the junction of I-64, U.S. 250 and the Blue Ridge Parkway, in an area known locally as Rockfish Gap, the Crozet Tunnel was replaced by a new railroad tunnel with a larger bore in 1944 and is no longer in use.
- The 17-mile Blue Ridge Railroad -- purchased by the Chesapeake and Ohio Railroad in 1869 -- was created by the state of Virginia to provide a rail link across the Appalachian mountains and help establish the first rail connection between Virginia seaports and the Ohio Valley.
- Having determined that intermediate, vertical shafts would not be practical, Crozet faced the problem of ventilating noxious black-powder fumes during construction, at least until the tunnel borings met. He devised an exhaust system in which inverted tubs trapped the fumes and, after being submersed in water, expelled them into a network of pipes and valves.
- To deal with drainage, he connected hand- and horse-powered pumps to a 2,000-foot length of three-inch cast iron pipe which discharged 60 gallons a minute and is believed to be the longest siphon on record.
- During construction, Crozet faced continued professional and personal criticism. As digging progressed, for example, bets were placed on whether or not the tunnels bored by each of his crews along a curved path would actually meet. When the crews finally "holed through" on Christmas Day, 1856, not only did the tunnels meet exactly, but Crozet's calculations were found to be so precise that only one-half-inch separated their alignment.
Resources
- Henry S. Drinker, Tunneling; John Wiley & Son, 1978
- The Claudius Crozet Story (90-minute video), Morning Sun Productions, P.O. Box 184, Crozet, VA 22932, 1-800-823-4827
For more information on civil engineering history, go to www.asce.org/history.
The City of Hoover has seen enormous growth in its sports programs over the past 10 years and needed a new complex that would fulfill their existing needs, allow for growth and give the City the ability to create new revenue streams and take advantage of sports tourism by hosting large tournament events. Hoover had not built any new athletic facilities in 15 years. At the same time the City’s sports participation had increased by multiples of 200% - 500% depending on the sport. The growth was caused by increases in both youth and adult sports leagues, as well as the relatively recent popularity of additional sports.
The multi-purpose Finley Center, which connects to the existing Hoover Met baseball stadium with a covered walkway, is able to accommodate a full-size football or soccer field, nine regulation-size basketball courts, 12 regulation-size volleyball courts or six indoor tennis courts. It can also seat 2,400 for banquets and 5,000 for events with general seating, such as a graduation ceremony or concert. Additional features of the indoor facility include a recreational walking track suspended 14 feet in the air, an athletic training and rehab center, and a food court.
The Finley Center sits on a 120 acre site that GMC master planned and includes fields for soccer, lacrosse, football, baseball and softball, tennis courts, a play ground walking track and splash pad.
Goodwyn, Mills and Cawood (GMC) provided master planning, architecture, interior design, civil engineering, construction materials testing, and environmental engineering services for this project.
Poids en ordre de marche : 77 300 - 97 700 kg
Hauteur de travail : 33 m
Démolition d'un ancien château d'eau construit dans les années 1960 à Mondelange pour la construction une chaufferie biomasse de 222 m² pour le nouveau réseau de chaleur municipale.
Pays : France 🇫🇷
Région : Grand Est (Alsace)
Département : Moselle (57)
Ville : Mondelange (57300)
Adresse : rue du Cimetière
Construction : ≈1965
Déconstruction : 2024 → 2025
Permis de construire n° PC 57 474 24 N0003
▻ Délivré le 09/09/2024
Hauteur : ≈40,00 m
Superficie du terrain : 943 m²
Announcement about the closure of the footbridge between Reading railway station and the car park. This has been a great vantage point for taking photos of the redevelopment of Reading Station.
The City of Hoover has seen enormous growth in its sports programs over the past 10 years and needed a new complex that would fulfill their existing needs, allow for growth and give the City the ability to create new revenue streams and take advantage of sports tourism by hosting large tournament events. Hoover had not built any new athletic facilities in 15 years. At the same time the City’s sports participation had increased by multiples of 200% - 500% depending on the sport. The growth was caused by increases in both youth and adult sports leagues, as well as the relatively recent popularity of additional sports.
The multi-purpose Finley Center, which connects to the existing Hoover Met baseball stadium with a covered walkway, is able to accommodate a full-size football or soccer field, nine regulation-size basketball courts, 12 regulation-size volleyball courts or six indoor tennis courts. It can also seat 2,400 for banquets and 5,000 for events with general seating, such as a graduation ceremony or concert. Additional features of the indoor facility include a recreational walking track suspended 14 feet in the air, an athletic training and rehab center, and a food court.
The Finley Center sits on a 120 acre site that GMC master planned and includes fields for soccer, lacrosse, football, baseball and softball, tennis courts, a play ground walking track and splash pad.
Goodwyn, Mills and Cawood (GMC) provided master planning, architecture, interior design, civil engineering, construction materials testing, and environmental engineering services for this project.
New York State to Ontario, Canada
Constructed 1848-Present
Through nearly 150 years, a system of bridges has been built across the Niagara River near the famous falls that cross the American-Canadian border. The effort to bridge the two nations began in the mid-1800s and continues to this day; in total, 15 structures have been created, though some did not stand the test of time. Collapses caused by natural forces plagued many of the early structures.
Those that stand today include the Peace Bridge (steel arch), the International Railway Bridge (iron truss), the Rainbow Bridge (steel arch), the Railway Steel Arch Bridge, Whirlpool Bridge (spandrel-braced arch), and the Queenston-Lewiston Bridge (steel arch).
Facts
In 1846, permission from the Governments of Upper Canada and the State of New York allowed the formation of the Niagara Falls Suspension Bridge Company and the International Bridge Company of New York to jointly build and own the first bridge crossing.
- They chose the site along the Niagara Gorge above the Whirlpool Rapids, which was the narrowest point from shore to shore.
- In 1896, the Railway Suspension Bridge was replaced by steel arch structure that could better handle the increasing weight and frequency of rail traffic. Steel pylons, beams, and trusses replaced the original wood and stone. The anchorages and cables from the original bridge were upgraded and served as the sole reminders of the previous Roebling design. After 10 years of use, the new bridge was again replaced by a more durable steel arch structure.
- The Lower Arch Bridge, renamed the Whirlpool Rapids Bridge in 1939, was constructed in 1897. The two-hinged spandrel-braced arch structure proved capable of handling greater loads than originally anticipated and is still in use today.
- In 1883, the Michigan Central Railway Cantilever Bridge was completed just south of the Whirlpool Bridge. The $700,000 structure was 910 feet long. The main span extended 495 feet, with 395-foot cantilevers from the abutments. This left a 120-foot gap, which was filled by a typical truss bridge, hung from the ends of the cantilever. The bridge was replaced after 40 years, by the Michigan Central Railway Steel Arch Bridge, to accommodate the weight of modern trains. It remains in use today.
Resources
Spanning Niagara: The International Bridges, 1848-1962 (Niagara, NY: Niagara University, 1984).
For more information on civil engineering history, go to www.asce.org/history.
Dernière tranche de l'aménagement du contournement de Malzéville entre la rue Pasteur et le viaduc Louis Marin.
Pays : France 🇫🇷
Région : Grand Est (Lorraine)
Département : Meurthe-et-Moselle (54)
Villes : Malzéville (54220) / Saint-Max (54130)
Durée des travaux : 2020 → 2021
Inauguration : 18/12/2021
Loughborough University Business School site
This image is part of the CalVisual for Construction Image Archive. For more information visit www.engsc.ac.uk/resources/calvisual/index.asp
Author: Loughborough University
Copyright citation for reuse: © luf:240200:l0004
The City of Hoover has seen enormous growth in its sports programs over the past 10 years and needed a new complex that would fulfill their existing needs, allow for growth and give the City the ability to create new revenue streams and take advantage of sports tourism by hosting large tournament events. Hoover had not built any new athletic facilities in 15 years. At the same time the City’s sports participation had increased by multiples of 200% - 500% depending on the sport. The growth was caused by increases in both youth and adult sports leagues, as well as the relatively recent popularity of additional sports.
The multi-purpose Finley Center, which connects to the existing Hoover Met baseball stadium with a covered walkway, is able to accommodate a full-size football or soccer field, nine regulation-size basketball courts, 12 regulation-size volleyball courts or six indoor tennis courts. It can also seat 2,400 for banquets and 5,000 for events with general seating, such as a graduation ceremony or concert. Additional features of the indoor facility include a recreational walking track suspended 14 feet in the air, an athletic training and rehab center, and a food court.
The Finley Center sits on a 120 acre site that GMC master planned and includes fields for soccer, lacrosse, football, baseball and softball, tennis courts, a play ground walking track and splash pad.
Goodwyn, Mills and Cawood (GMC) provided master planning, architecture, interior design, civil engineering, construction materials testing, and environmental engineering services for this project.
This is a 3D model of the Four Lane Ends Interchange. It was taken from the ‘Ainsworth Spark Photo File.’ Compiled between the 8th of December 1975 to the 12th of May 1977 it consists of artist's impressions, tender drawings, photographs of 3 dimensional models and plans relating to various Metro projects. Ainsworth Spark were Newcastle based Architects.
The file is taken from the Mott, Hay and Anderson collection, consulting civil engineers responsible from the Tyneside Metro light rail system and the Tyne Pedestrian, cyclist and vehicular tunnels.
Reference no. DT.MHA/7/D4074
This image inspired ‘Interchange’, an experimental film and album of music by Warm Digits. More information can be found here www.twmuseums.org.uk/halfmemory/warm-digits-
interchange
(Copyright) We're happy for you to share this digital image within the spirit of The Commons. Please cite 'Tyne & Wear Archives & Museums' when reusing. Certain restrictions on high quality reproductions and commercial use of the original physical version apply though; if you're unsure please email archives@twmuseums.org.uk
Latest in my shots of the recording of the new Forth Crossing or Queensferry Crossing as it will be called. Coming on now.
This is a plan of the Regent Centre Metro Station Multi-story car park.
It was taken from the ‘Ainsworth Spark Photo File.’ Compiled between the 8th of December 1975 to the 12th of May 1977 it consists of artist's impressions, tender drawings, photographs of 3 dimensional models and plans relating to various Metro projects. Ainsworth Spark were Newcastle based Architects.
The file is taken from the Mott, Hay and Anderson collection, consulting civil engineers responsible from the Tyneside Metro light rail system and the Tyne Pedestrian, cyclist and vehicular tunnels.
Reference no. DT.MHA/7
This image inspired ‘Interchange’, an experimental film and album of music by Warm Digits. More information can be found here www.twmuseums.org.uk/halfmemory/warm-digits-
interchange
(Copyright) We're happy for you to share this digital image within the spirit of The Commons. Please cite 'Tyne & Wear Archives & Museums' when reusing. Certain restrictions on high quality reproductions and commercial use of the original physical version apply though; if you're unsure please email archives@twmuseums.org.uk
This is a plan of the Regent Centre Multi-storey car park. It was taken from the ‘Ainsworth Spark Photo File.’ Compiled between the 8th of December 1975 to the 12th of May 1977 it consists of artist's impressions, tender drawings, photographs of 3 dimensional models and plans relating to various Metro projects. Ainsworth Spark were Newcastle based Architects.
The file is taken from the Mott, Hay and Anderson collection, consulting civil engineers responsible from the Tyneside Metro light rail system and the Tyne Pedestrian, cyclist and vehicular tunnels.
Reference no. DT.MHA/7/D3987
This image inspired ‘Interchange’, an experimental film and album of music by Warm Digits. More information can be found here www.twmuseums.org.uk/halfmemory/warm-digits-
interchange
Copyright) We're happy for you to share this digital image within the spirit of The Commons. Please cite 'Tyne & Wear Archives & Museums' when reusing. Certain restrictions on high quality reproductions and commercial use of the original physical version apply though; if you're unsure please email archives@twmuseums.org.uk
The City of Hoover has seen enormous growth in its sports programs over the past 10 years and needed a new complex that would fulfill their existing needs, allow for growth and give the City the ability to create new revenue streams and take advantage of sports tourism by hosting large tournament events. Hoover had not built any new athletic facilities in 15 years. At the same time the City’s sports participation had increased by multiples of 200% - 500% depending on the sport. The growth was caused by increases in both youth and adult sports leagues, as well as the relatively recent popularity of additional sports.
The multi-purpose Finley Center, which connects to the existing Hoover Met baseball stadium with a covered walkway, is able to accommodate a full-size football or soccer field, nine regulation-size basketball courts, 12 regulation-size volleyball courts or six indoor tennis courts. It can also seat 2,400 for banquets and 5,000 for events with general seating, such as a graduation ceremony or concert. Additional features of the indoor facility include a recreational walking track suspended 14 feet in the air, an athletic training and rehab center, and a food court.
The Finley Center sits on a 120 acre site that GMC master planned and includes fields for soccer, lacrosse, football, baseball and softball, tennis courts, a play ground walking track and splash pad.
Goodwyn, Mills and Cawood (GMC) provided master planning, architecture, interior design, civil engineering, construction materials testing, and environmental engineering services for this project.
Sara Raines carefully adds sand to the bucket suspended under her Civil Engineering 101 team's spaghetti bridge. Her team's bridge supported the most weight in the competition, 20.98 pounds. Photo by Robert Jordan/Ole Miss Communications
The City of Hoover has seen enormous growth in its sports programs over the past 10 years and needed a new complex that would fulfill their existing needs, allow for growth and give the City the ability to create new revenue streams and take advantage of sports tourism by hosting large tournament events. Hoover had not built any new athletic facilities in 15 years. At the same time the City’s sports participation had increased by multiples of 200% - 500% depending on the sport. The growth was caused by increases in both youth and adult sports leagues, as well as the relatively recent popularity of additional sports.
The multi-purpose Finley Center, which connects to the existing Hoover Met baseball stadium with a covered walkway, is able to accommodate a full-size football or soccer field, nine regulation-size basketball courts, 12 regulation-size volleyball courts or six indoor tennis courts. It can also seat 2,400 for banquets and 5,000 for events with general seating, such as a graduation ceremony or concert. Additional features of the indoor facility include a recreational walking track suspended 14 feet in the air, an athletic training and rehab center, and a food court.
The Finley Center sits on a 120 acre site that GMC master planned and includes fields for soccer, lacrosse, football, baseball and softball, tennis courts, a play ground walking track and splash pad.
Goodwyn, Mills and Cawood (GMC) provided master planning, architecture, interior design, civil engineering, construction materials testing, and environmental engineering services for this project.
The City of Hoover has seen enormous growth in its sports programs over the past 10 years and needed a new complex that would fulfill their existing needs, allow for growth and give the City the ability to create new revenue streams and take advantage of sports tourism by hosting large tournament events. Hoover had not built any new athletic facilities in 15 years. At the same time the City’s sports participation had increased by multiples of 200% - 500% depending on the sport. The growth was caused by increases in both youth and adult sports leagues, as well as the relatively recent popularity of additional sports.
The multi-purpose Finley Center, which connects to the existing Hoover Met baseball stadium with a covered walkway, is able to accommodate a full-size football or soccer field, nine regulation-size basketball courts, 12 regulation-size volleyball courts or six indoor tennis courts. It can also seat 2,400 for banquets and 5,000 for events with general seating, such as a graduation ceremony or concert. Additional features of the indoor facility include a recreational walking track suspended 14 feet in the air, an athletic training and rehab center, and a food court.
The Finley Center sits on a 120 acre site that GMC master planned and includes fields for soccer, lacrosse, football, baseball and softball, tennis courts, a play ground walking track and splash pad.
Goodwyn, Mills and Cawood (GMC) provided master planning, architecture, interior design, civil engineering, construction materials testing, and environmental engineering services for this project.
A report that recommends steps to reduce hurricane damage in New Orleans was released today by an expert engineering panel of the American Society of Civil Engineers (ASCE). The 84-page report, “The New Orleans Hurricane Protection System: What Went Wrong and Why,” targets the public and policymakers, and complements and synthesizes the thousands of pages released so far by the U.S. Army Corps of Engineers during their post-Katrina investigation. Dr. Robert Gilbert, the risk expert on the ASCE panel and a civil engineering professor at The University of Texas at Austin, noted that their risk analysis confirms the vulnerable nature of the city’s hurricane protection system.
Construction de 32 logements collectifs, réhabilitation d'un immeuble en 6 logements individuels de fonction et construction de 4 maisons individuelles de fonction.
Pays : France 🇫🇷
Région : Grand Est (Lorraine)
Département : Meurthe-et-Moselle (54)
Ville : Nancy (54000)
Quartier : Nancy Sud
Adresse : avenue du Maréchal Juin
Fonction : Logements
Construction : 2025 → 2026
▻ Architecte : Bagard & Luron Architectes
Permis de construire n° PC 54 395 24 00017
▻ Délivré le 01/08/2024
Hauteur : 22,91 m
Superficie du terrain : 6 745 m²
Near Boulder City, Nevada
Constructed 1931-1935
In 1918, the U.S. Reclamation Service's director and chief engineer Arthur P. Davis proposed a dam of unprecedented height to control the devastating floods on the Colorado River, generate hydroelectric power, and store the river's ample waters for irrigation and other uses. A dam project of this monumental scale had never been built in America: diverting the Colorado River through four massive tunnels blasted out of hard rock; pouring 6.6 million tons of concrete to build the world's largest concrete dam; and building two giant spillways and four intake towers - all in a remote desert region.
In March 1931, the Bureau of Reclamation awarded the contract to a consortium of six large construction firms, called Six Companies, Inc., that bid together on the project because it was larger than any one could handle. Francis T. Crowe, Hon.M.ASCE was construction superintendent for Six Companies, Inc. and probably one of the premier dam construction engineers who ever worked in the United States. Working around the clock, they completed the dam two years ahead of schedule.
Facts
- Four 56-foot-diameter tunnels were driven through the canyon walls - 2 on either side - to divert the Colorado River around the dam work site. Ultimately, more than 1,500,000 cubic yards of soil and rock were removed from the tunnels.
- The dam is an arch gravity structure rising 726 feet above bedrock. It is 660 feet thick at its base, 45 feet thick at its crest, and stretches 1,244 feet across Black Canyon.
- Construction of the dam, powerhouse, and related structures required a total of 4,400,000 cubic yards of concrete, 45,000,000 pounds of reinforcing steel. The size of much of the equipment - including generators and steel plate penstock - was unparalleled.
To dissipate the heat generated as the concrete cured, over 650 miles of one-inch pipe were embedded in the concrete to convey refrigerated water. The cooling coils were cut off and filled with grout after each block had cured and cooled.
- On Septermber 30, 1935, Franklin D. Roosevelt officially dedicated the dam, saying, "I came, I saw, and I was conquered, as everyone will be who sees for the first time this great feat of mankind."
- The inscription at the base of the Hoover Dam flagpole reads, "It is fitting that the flag of our country should fly here in honor of those men who, inspired by a vision of lonely lands made fruitful, conceived this great work and of those others whose genius and labor made that vision a reality."
Resources
- Joseph Stevens, Hoover Dam: An American Adventure, University of Oklahoma Press (1988)
- PBS American Experience, Hoover Dam, video
- Patty Sullivan, A Pictorial History of Hoover Dam, Draco Publishing (1999)
For more information on civil engineering history, go to www.asce.org/history.
The UK's longest road tunnel and a new section of dual carriageway on the A3 near Hindhead in Surrey.
The City of Hoover has seen enormous growth in its sports programs over the past 10 years and needed a new complex that would fulfill their existing needs, allow for growth and give the City the ability to create new revenue streams and take advantage of sports tourism by hosting large tournament events. Hoover had not built any new athletic facilities in 15 years. At the same time the City’s sports participation had increased by multiples of 200% - 500% depending on the sport. The growth was caused by increases in both youth and adult sports leagues, as well as the relatively recent popularity of additional sports.
The multi-purpose Finley Center, which connects to the existing Hoover Met baseball stadium with a covered walkway, is able to accommodate a full-size football or soccer field, nine regulation-size basketball courts, 12 regulation-size volleyball courts or six indoor tennis courts. It can also seat 2,400 for banquets and 5,000 for events with general seating, such as a graduation ceremony or concert. Additional features of the indoor facility include a recreational walking track suspended 14 feet in the air, an athletic training and rehab center, and a food court.
The Finley Center sits on a 120 acre site that GMC master planned and includes fields for soccer, lacrosse, football, baseball and softball, tennis courts, a play ground walking track and splash pad.
Goodwyn, Mills and Cawood (GMC) provided master planning, architecture, interior design, civil engineering, construction materials testing, and environmental engineering services for this project.
This is a plan of the Four Lane Ends Interchange. It was taken from the ‘Ainsworth Spark Photo File.’ Compiled between the 8th of December 1975 to the 12th of May 1977 it consists of artist's impressions, tender drawings, photographs of 3 dimensional models and plans relating to various Metro projects. Ainsworth Spark were Newcastle based Architects.
The file is taken from the Mott, Hay and Anderson collection, consulting civil engineers responsible from the Tyneside Metro light rail system and the Tyne Pedestrian, cyclist and vehicular tunnels.
Reference no. DT.MHA/7
This image inspired ‘Interchange’, an experimental film and album of music by Warm Digits. More information can be found here www.twmuseums.org.uk/halfmemory/warm-digits-
interchange
(Copyright) We're happy for you to share this digital image within the spirit of The Commons. Please cite 'Tyne & Wear Archives & Museums' when reusing. Certain restrictions on high quality reproductions and commercial use of the original physical version apply though; if you're unsure please email archives@twmuseums.org.uk
The City of Hoover has seen enormous growth in its sports programs over the past 10 years and needed a new complex that would fulfill their existing needs, allow for growth and give the City the ability to create new revenue streams and take advantage of sports tourism by hosting large tournament events. Hoover had not built any new athletic facilities in 15 years. At the same time the City’s sports participation had increased by multiples of 200% - 500% depending on the sport. The growth was caused by increases in both youth and adult sports leagues, as well as the relatively recent popularity of additional sports.
The multi-purpose Finley Center, which connects to the existing Hoover Met baseball stadium with a covered walkway, is able to accommodate a full-size football or soccer field, nine regulation-size basketball courts, 12 regulation-size volleyball courts or six indoor tennis courts. It can also seat 2,400 for banquets and 5,000 for events with general seating, such as a graduation ceremony or concert. Additional features of the indoor facility include a recreational walking track suspended 14 feet in the air, an athletic training and rehab center, and a food court.
The Finley Center sits on a 120 acre site that GMC master planned and includes fields for soccer, lacrosse, football, baseball and softball, tennis courts, a play ground walking track and splash pad.
Goodwyn, Mills and Cawood (GMC) provided master planning, architecture, interior design, civil engineering, construction materials testing, and environmental engineering services for this project.
Portes ouvertes à la Carrière de Trapp de Raon-l'Étape lors des Journées européennes du patrimoine 2023.
Poids en ordre de marche : 104 500 kg
Capacité du godet : 10 - 14 m³
Window dummy frames
This image is part of the CalVisual for Construction Image Archive. For more information visit www.engsc.ac.uk/resources/calvisual/index.asp
Author: Loughborough University