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Engineers put the replacement bridge for the Bailey Bridge in Irvine in place. The Bailey Bridge was based on a World War II design and crossed the River Irvine from the early 70s until it was demolished in the spring of 2009.
The crane is weighed down by some large weights (see notes) each of which weighs 15 tonnes, making 90 tonnes in total and 5 smaller weights above them.
Principles of Web Design 6th Edition by Joel Sklar
ISBN-13:9781285852645 (978-1-285-85264-5)ISBN-10:1285852648 (1-285-85264-8)
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Photo shows UOW Professor of Civil Engineering and Research Director of Centre for Geomechanics and Railway Engineering, Buddhima Indraratnam with Phd Student, Mahdi Biabani and DR Sanjay Nimbalkar..
The University of Iowa, College of Engineering
Iowa City, Iowa
Completed 1919
The Hydraulics Laboratory at The University of Iowa, renovated in 2001 and in 2003 renamed the C. Maxwell Stanley Hydraulics Laboratory, is the oldest university-based hydraulics laboratory in the U.S. that continuously has focused on research, education, and service in hydraulic engineering. Since its initial construction in 1919, the facility and staff have produced a massive amount of research that has shaped water-related constructs around the world. Its efforts have been guided by noted directors such as Floyd Nagler (1920-1933), Hunter Rouse (1944-1965), and John F. Kennedy (1966-1991). Students trained here have come from and practiced around the world. The building provides the home base for IIHR-Hydroscience & Engineering, formerly the Iowa Institute of Hydraulic Research.
For more information on civil engineering history, go to www.asce.org/history.
Poids en ordre de marche : 14 400 - 18 300 kg
Travaux de renouvellement du site propre du trolley à Nancy dans le cadre des aménagements pour la ligne 1 du trolley.
Pays : France 🇫🇷
Région : Grand Est (Lorraine)
Département : Meurthe-et-Moselle (54)
Ville : Nancy (54000)
Quartier : Nancy Sud
Adresse : boulevard Jean-Jaurès
Tension test on (D500N32) 32mm reinforcing bar - setup with strain gauge (note this is removed prior to failure)
Southeastern United States
Surveyed 1728-1821
The boundary Charles II envisioned was one of the most grandiose in history. To decree an imaginary geographic straight line, 3,000 miles long, as a boundary across an unknown continent that he didn't even own was the height of royal pomposity.
- Lexington Herald-Leader July 28, 1990
The Royal Colonial Boundary of 1665 was decreed by England's King Charles II to demarcate his American colonies. It provided a survey from the Atlantic Ocean to the Mississippi River along 36 degrees, 30 minutes north latitude. The boundary now serves to divide Virginia from North Carolina and Kentucky from Tennessee.
The survey, completed in five stages, was one of the first times a surveyed line was so long that the curve of the Earth had to be taken into consideration. It drew attention both to the importance and to the difficulty of cadastral surveying (to delimit and identify property lines) and geodetic surveying (in which the form and size of the earth are considered). It demonstrated some of the first attempts to locate an exact geographical position on the ground.
The 1665 line of 36 degrees, 30 minutes north latitude was recognized as the de facto dividing line between the North and the South in the Missouri Compromise of 1820. Slavery was prohibited in new states north of this line.
For more information on civil engineering history, go to www.asce.org/history.
Istanbul, Turkey
Constructed between 532 and 537
The church of Hagia Sophia (literally Holy Wisdomin Constantinople, now Istanbul, was first dedicated in 360 by Emperor Constantius, son of the city's founder, Emperor Constantine. Hagia Sophia served as the cathedra, or bishop's seat, of the city. Originally called Megale Ekklesia (Great Church), the name Hagia Sophia came into use around 430. The first church structure was destroyed during riots in 404; the second church, built and dedicated in 415 by Emperor Theodosius II, burned down during the Nika revolt of 532, which caused vast destruction and death throughout the city.
Immediately after the riots, Emperor Justinian, who ruled from 527 - 565, ordered the church rebuilt. The new building was inaugurated on December 27, 537. Architects Anthemios of Tralles and Isidoros of Miletos most likely were influenced by the mathematical theories of Archimedes (ca. 287-212 B.C.) and Heron of Alexandria's writings on vaults and arch support (first century A.D.).
Anthemios was born in the ancient city of Tralles in Asia Minor (in the area encompassed by modern Turkey) and probably studied in Alexandria, speaking Greek. An experimental scientist and theoretician, he easily assumed mastery over the technical aspects of architecture. Isidoros was born in Miletus (in the area encompassed by modern Turkey) and presumably received his education in Constantinople. An architect, engineer, and scholar, he probably worked as an architect-engineer with Anthemios assuming the role of senior partner. Although the two probably worked on several projects together, their only certain conglomeration occurred with the Hagia Sophia. They designed and built the major monument of Byzantine architecture.
The vast, airy central basilica, with its technically complex system of vaults and semi-domes, culminates in a high central dome with a diameter of over 101 feet (31 meters) and a height of 160 feet (48.5 meters). Its weight is carried by four great arches, which rest on a series of tympana and semi-domes, which in turn rest on smaller semi-domes and arcades. This complicated structural system was prone to problems: the first dome collapsed in 558, to be rebuilt in 562 to a greater height. Earthquakes and earth subsidence have also taken their toll on the building over the centuries. However, the surviving main structure is essentially that which was first built between 532 and 537.
The Hagia Sophia is a major monument of Byzantine architecture. All the traditional churches of the Byzantine, Slavic, Orthodox worlds, built over the past 1400 years descend in some form or other from this original design.
Resources
Mainstone, R.J. Hagia Sophia: Architecture, Structure, and Liturgy of Justinian's Great Church, thames and Hudson, 1997.
Mark, Robert and Ahmet Ş Çakmak (eds). Hagia Sophia from the Age of Justinian to the Present, Cambridge: Cambridge University Press, 1992.
Placzek, Adolf K. Macmillan Encyclopedia of Architects. Vol. 1 & 2, London: The Free Press, 1982. p. 84-87, p. 467-468.
For more information on civil engineering history, go to www.asce.org/history.