Civil Sprint Research by Kieran Tsang https://padlet.com/tsangkieran/e6iq65acb3njezn7 en-us 2021-05-10 12:18:18 UTC 2025-04-24 13:11:51 UTC hello@padlet.com Acessible Materials https://padlet.com/tsangkieran/e6iq65acb3njezn7/wish/1508747726 Craft Sticks
Nails
Pins
Wood]]> 2021-05-10 12:21:00 UTC https://padlet.com/tsangkieran/e6iq65acb3njezn7/wish/1508747726 Bridgecoin Materials https://padlet.com/tsangkieran/e6iq65acb3njezn7/wish/1508748251 Balsa wood sheets
Balsa wood strips
Split Pins
Paper Straws
Natural Jute Twine]]> 2021-05-10 12:21:11 UTC https://padlet.com/tsangkieran/e6iq65acb3njezn7/wish/1508748251 Bridge types tsangkieran https://padlet.com/tsangkieran/e6iq65acb3njezn7/wish/1516985728 Arch
Beam
Cantilever
Suspension 
Cable-Stayed
Truss]]> 2021-05-12 11:13:22 UTC https://padlet.com/tsangkieran/e6iq65acb3njezn7/wish/1516985728 Truss bridge tsangkieran https://padlet.com/tsangkieran/e6iq65acb3njezn7/wish/1516987959 Pratt, Warren, Howe, Baltimore

]]> 2021-05-12 11:14:39 UTC https://padlet.com/tsangkieran/e6iq65acb3njezn7/wish/1516987959 Strengthening tsangkieran https://padlet.com/tsangkieran/e6iq65acb3njezn7/wish/1516988091 Layering]]> 2021-05-12 11:14:45 UTC https://padlet.com/tsangkieran/e6iq65acb3njezn7/wish/1516988091 Joint Type tsangkieran https://padlet.com/tsangkieran/e6iq65acb3njezn7/wish/1517000951 String
Wire
Shoe Laces
Bolts
Rubber bands]]> 2021-05-12 11:23:01 UTC https://padlet.com/tsangkieran/e6iq65acb3njezn7/wish/1517000951 Environmental Effects https://padlet.com/tsangkieran/e6iq65acb3njezn7/wish/1517007757 Recyclable materials
Less material the better
Extra Points for Reversibility


]]> 2021-05-12 11:26:56 UTC https://padlet.com/tsangkieran/e6iq65acb3njezn7/wish/1517007757 Size https://padlet.com/tsangkieran/e6iq65acb3njezn7/wish/1517019149 Width?
Overall Length past 1.5m?
Effect on deflection?

]]> 2021-05-12 11:33:33 UTC https://padlet.com/tsangkieran/e6iq65acb3njezn7/wish/1517019149 Stiffness of bridge materials https://padlet.com/tsangkieran/e6iq65acb3njezn7/wish/1517023924 Vertical deflection when load applied must be less than 1:10 of total length of bridge
Beam deflection formulas

]]> 2021-05-12 11:36:03 UTC https://padlet.com/tsangkieran/e6iq65acb3njezn7/wish/1517023924 Properties of Materials https://padlet.com/tsangkieran/e6iq65acb3njezn7/wish/1517596734 Modulus of Elasticity of Balsa wood : 3.0-3.71 GPa]]> 2021-05-12 14:15:47 UTC https://padlet.com/tsangkieran/e6iq65acb3njezn7/wish/1517596734 Types of bridges (allowed to build) https://padlet.com/tsangkieran/e6iq65acb3njezn7/wish/1517936723 1) Suspension Bridge
2) Cable - Stayed Bridge
3) Truss Bridge
4) Tied Arch Bridge]]> 2021-05-12 15:29:03 UTC https://padlet.com/tsangkieran/e6iq65acb3njezn7/wish/1517936723 Jute Properties https://padlet.com/tsangkieran/e6iq65acb3njezn7/wish/1518297748 -1.82mm Diameter (Very Thin)
-1300kg/m^3 Density
-(3.5-4.5%) Elongation
-(393-723MPa) Tensile Strength
-26.5GPa Youngs Modulus

]]> 2021-05-12 16:48:12 UTC https://padlet.com/tsangkieran/e6iq65acb3njezn7/wish/1518297748 Balsa Wood Properties https://padlet.com/tsangkieran/e6iq65acb3njezn7/wish/1518307442 -(120-220kg/m^3) Density unless seasoned.
-Up to 15Nm Toughness
-300N Hardness
-3.71GPa Elastic Modulus
- CAN GET WATER SPOILED (weather)
-Flammable]]> 2021-05-12 16:50:20 UTC https://padlet.com/tsangkieran/e6iq65acb3njezn7/wish/1518307442 Constraints https://padlet.com/tsangkieran/e6iq65acb3njezn7/wish/1518332221 -Cover Distance of 1.5m
-No Intermediate Supports
-No Adhesives (Glue or Tape)
-Max Deflection
-(Lower Cost)
-(Reversibility of Own Materials)]]> 2021-05-12 16:55:41 UTC https://padlet.com/tsangkieran/e6iq65acb3njezn7/wish/1518332221