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Intro to Eng - Notes_ - Introduction to Engineering Notes 1...

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Introduction to Engineering – Notes 1 ENGR 1010U Introduction to Engineering With Marc A. Rosen 0.1 History of Engineering In this part of the course you will study History of engineering Roles of engineering in society Learning and engineering approach Professionalism and ethics Occupational health and safety Engineering and environmental science History of Engineering: Introduction Has existed since the dawn of civilization Developed as a practical art and a profession over the past 5000 years (at least, probably 10 – 12000) Knowledge of this history teaches us to respect the past and its achievements Engineering has been about o Understanding the laws of nature o Developing a knowledge of math and science that regular people do not have o Applying this knowledge to benefit social need with creative works Our forebears attempted to o Control and use the materials and forces of nature o For the public benefit o Just as we do today Today we will trace the development of engineering from its earliest days Engineering in early civilizations: Mesopotamians The land between the Tigris and Euphrates Rivers (currently Iraq) o The first wheeled cart o Canals, temples and city walls (Sumerians) Example: as early as 5500 BCE – Astrolabe for astronomical observations Code of Hammurabi 228. If a builder has built a house for a man, and finished it, he shall pay him a fee of two shekels of silver for each SAR built on. 229. If a builder has built a house for a man, and has not made his work sound, and the house he built has fallen, and caused the death of its owner, that builder shall be put to death. 230. If it is the owner’s son that is killed, the builder’s son hall be put to death. 231. If it is the slave of the owner that is killed, the builder shall give for slave to the owner of the house.
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Introduction to Engineering – Notes 2 232. If he has caused the loss of goods, he shall render back whatever he has destroyed. Moreover, because he did not make sound the house he built, and it fell, at his own cost he shall rebuild the house that fell. 233. If a builder has built a house for man, and has bot keyed his work, and the wall has fallen, that builder shall make that wall firm at his own expense. … and lots more about slaves, surgeons, boatman, etc. Canals and irrigation The first aqueduct was built in 690 BC The water system of Nineveh eventually featured 150 km of canals, aqueducts and other water works. Although limited, the Assyrian aqueduct pre-dated the more famous Roman version by 500 years. Engineering in the early civilizations: Egyptians Experts in planning and construction emerged in ancient Egypt These engineers help top positions as trusted advisors to Egyptian kings The head of these was the “Chief of Works” Ancient Egyptian Engineering Some highlights: o The earliest known form of surveying, o Developed effective irrigation systems, and o Built remarkable edifices (huge structures) of stone.
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