Introduction to Engineering and Profession Ethics Lecture1-The History of Engineering-Dr.Khaled...
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Transcript of Introduction to Engineering and Profession Ethics Lecture1-The History of Engineering-Dr.Khaled...
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Lecture 1
Dr. Khaled Bakro
The History of Engineering
Introduction to Engineering and Profession Ethics
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Class Information
Introduction to Engineering and Computer Engineering Ethics
Meeting Time and Place Tuesday, 2:00 pm – 3:50 pm
Instructor: Dr. Khaled Bakro Office Hours: Mon-Fri 4-6 pm or By Appointment. E-Mail: [email protected]
Course text: Engineering Fundamentals: An Introduction to
Engineering, 6th Edition, Saeed Moaveni, Cengage Learning, 2016
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Course Overview
Introduce students to: the history of engineering. the engineering profession. engineering fundamentals and problem solving. engineering design principles. Engineering ethics. Computer engineering ethics.
Generate excitement by providing students. Hands-on group design projects; Hands-on individual petit projects Insights into contemporary engineering topics.
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Grading
Group Project:20%
Assiduity and participation: 10%
Final Exam:70%
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Objectives The student will be able to:
Explain the history of engineering Define Engineering
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Where Have We Been and Where are We Going?
To understand where we are going, we need to understand where we have been.
Let us take a quick look at the history of engineering.
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The History of Engineering
Who Are Our Engineering Forefathers?
Egyptian Engineers Mesopotamian Engineers Greek Engineers Roman Engineers The Oriental Engineers The European Engineers
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Who Are Our Engineering Forefathers?
Mesopotamian Engineers (4000-2000 B.C.) Egyptian Engineers (2700-2500 B.C.) Greek Engineers (400 B.C.) Roman Engineers (300 B.C.) Asian Engineers (200 B.C.) European Engineers (1000 A.D. and beyond)
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Mesopotamian Engineers
Mesopotamian is the name given to the land between the two rivers, Euphrates and Tigris.
The First canals were built by the Sumerians in southern Mesopotamia.
The Mesopotamian engineers made the first advances in bucket hoist for lifting water.
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Mesopotamian Engineers
The Assyrians developed fierce military machines like iron weapons and wagons.
The modern day four wheeled vehicle owes its beginning to the efforts of the Assyrian-Mesopotamian engineers.
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Mesopotamian Engineers
The King of Assyrians built an aqueduct and paved streets.
Mesopotamian engineers built the oldest stone bridge attributed to the Chaldeans.
Ziggurats were massive stepped cult platforms found in certain Mesopotamian sanctuaries.
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Mesopotamian Engineers
The materials used to build a Mesopotamian house were the same as those used today: mud (clay) brick, mud plaster and wooden doors, which were all naturally available around the city.
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Egyptian Engineers
Built with great perfection and accuracy.
Relied on physical labor and primitive tools.
Many structures were made from limestone blocks.
Took many years to complete.
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Egyptian Engineers
Largest pyramid constructed is the Great Pyramid of Giza at 481 feet.
Took 20 years to build, with 20,000 workers.
Consists of 2,400,000 stones, each weighing more than 2 tons.
Spanned a distance of 13 acres of land.
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Greek Engineers
Greece was similar to Egypt and Mesopotamia.
The connection between pure science and engineering was introduced by the Greeks.
Greek engineers were involved in projects such as drainage and tunnels.
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Greek Engineers
The Greeks gave us the science of hydrostatics and developed the theory of mechanical advantage
They were involved in projects such as digging a canal across the isthmus of Corinth Engineers invented things such as a mechanical bird that flew by compressed air and the screw fastener
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Roman Engineers
Romans contributed much to engineering and science that we are still using day.
Today’s Civil Engineers descended from Roman engineers’ great works such as roads, bridges, public buildings, aqueducts, and sewers.
In all of the work Romans did, the most significant advances of Roman engineers and architects was in building houses.
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Roman Engineers
Romans were the first to discover cement, which we use today for houses and bridges. Roman engineers made extensive use of the water wheel. Many wheel-shaped devices were use for hoisting water, and there were many improvements over time. The water-mills could be used to supply to the entire city.
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Roman Engineers
Other significant inventions during Roman Imperia period were trusses and pendentive.
Trusses Sewer Pendentive
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The Oriental Engineers
Oriental engineers built massive structures often as temples for religious uses.
Chinese engineers had distinctive architecture such as buildings with curved roofs.
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The Oriental Engineers
Chinese engineers built hanging bridges with bamboo cables.
They built canals for irrigation purposes.
Great Walls for protection from their enemies
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The Oriental Engineers
It is believed that the Chinese also built the wheelbarrow.
The Chinese, like many ancient engineers, improved upon existing inventions.
The Chinese improved the clock by using the escapement, a mechanism that made it possible to control the speed of the clock.
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The European Engineers Craftsmen worked through rule of
thumb after learning their trade through a system of apprenticeship.
Concentrated interests in the physical sciences, science of statistics and forces in load bearing walls.
Advances: flying machine, increase in use of water power, water powered hammer, and draw plates for drawing wire were all introduced.
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The European Engineers Advancements in structural forms
and trusses used in building. Allowed for building of large
cathedrals Notre Dame de Paris “Our Lady of
Paris” was built from 1160-1345 Colored glass and sheer greatness of construction were used to resemble the light and greatness of God. It was dedicated to the Virgin Mary.
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The European Engineers Power Machinery: water powered sawmills
and windmills Wheeled Traffic: the first omnibus capable of
carrying up to sixty passengers appeared around the 18th century.
Hydraulics Engineering: Canal building was more advanced than that of the Roman Engineers
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The European Engineers Ship Building: Greatly improved
ships to help lead to the age of exploration.
Development in the Middle Ages favored “round ships", with a broad beam and heavily curved at both ends.
Renaissance: Engineering schools started to appear as well as defined engineering disciplines.
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Secrets of the Success of Ancient Engineers
Made use of simple instruments and devices.
Unlimited manpower and the ability to organize it.
Infinite Patience.
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Resources
The following are a list of excellent reference sources which contain information on engineering disasters or failures and their consequences: "Breakdown: Deadly Technological Disasters",
by Neil Schlager, Visible Ink Press, Detroit, 1995 "Set Phasers on Stun",
by Steven Casey, Aegean Publishing Co., Santa Barbara, 1993 "To Engineer is Human",
by Henry Petroski, Vintage Books, New York, 1992 "Design Paradigms : Case Histories of Error and Judgment in Engineering",
by Henry Petroski, Cambridge University Press, Cambridge, 1994 "Civil Engineering Practice: Engineering Success by Analysis of Failure",
by David D.A. Piesold, McGraw-Hill Professional, New York, 1991 "When Technology Fails: Significant Technological Disasters, Accidents,
and Failures of the Twentieth Century", by Neil Schlager (Editor), Nell Y. Schlager (Editor), Gale Group, New York, 1994
"Inviting Disaster: Lessons From the Edge of Technology", by James R. Chiles, Harper Business, New York, 2002