Art of Construction

Unit 12: Strings and Sticks

compression members, wooden hangar, tension tie rod
"In some long span trusses, the sagging of the tie-rod under its own weight is reduced by supporting its mid-point from the top of the truss by means of
a hanger."

p. 96-97 Art of Construction

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Unit Navigation Unit 1: From Cave to Skyscraper Unit 2: Building a Tent Unit 3: What is a Beam? Unit 4: What Do We Build Structures With? Unit 5: The Floor of Your Room Unit 6: A Steel Frame Unit 7: Part of a Building You Don't See Unit 8: What Tornadoes, Earthquakes, and Temperature Can Do Unit 9: How to Fight Tornadoes and Earthquakes Unit 10: Ropes and Cables Salvadori Center Unit 13: Shape and Strength Unit 14: Barrels, Dishes, Butterflies, Bicycle Wheels and Eggs Unit 12: Strings and Sticks Unit 11: Sticks and Stones Unit 15: Balloons...and Back to the Tent