
structural engineering - Most efficient way to build a toothpick …
Feb 20, 2016 · In my stem class we are going to have a competition where we have to build a toothpick bridge that can support as must weight as possible, while using only toothpicks and …
Kinetic energy of a balloon - Engineering Stack Exchange
Jul 7, 2019 · How do I quantify how much kinetic energy would be released from popping a balloon? I believe that any additional kinetic energy that results from the balloon will come …
Is overpressure really an appropriate criteria for blast damage?
Jan 20, 2024 · After some distance, being hit by blast debris or 'wind' is almost impossible, and there are just 2 things that can reach you; pressure waves and radio waves. So pressure is …
How much deflection can/should I accept with Aluminum …
Jun 29, 2021 · Deflection in beams is a major issue in structural design. Engineers adopt deflection limits which suit the nature of the structures. For example, according to AS 1170.1 …
mechanical engineering - What is meant by Direct and indirect …
Dec 19, 2021 · to my experience the term direct and indirect stresses are not commonly used, and some times they depend very much on the context. E.g. in the following url direct stresses …
how to calculate the best possible equation of a parabola to hold …
Sep 9, 2021 · the rules are that the bridge must span 0.4 meters (40 cm) and can be held together by bolts and made out of popsicle sticks. currently, we have an equation of the parabola which …
How does the parabolic curve help in the integrity of a suspension …
Jan 1, 2021 · 3 A suspension bridge cable is the most effective use of material. Because it uses high tensile cables in a position where they are the most effective material: tension. The …
civil engineering - Why are earthfills fully covered in concrete …
Parts of the earthfill slopes are greenish - that's grass - and parts are whitish - that's concrete. The earthfill slope is fully covered in concrete where it joins the bridge but the rest of the earthfill is …
mechanical engineering - Tesla's resonator -- would that work ...
Apr 29, 2024 · From wikipedia: The oscillator/"earthquake machine" was explored in 2006 in Episode 60 – "Earthquake Machine". The MythBusters made a device powered by electricity …
bridges - What is the effect of end diaphragms on prestressed …
Sep 2, 2015 · 9 I'm encasing the abutment ends of prestressed concrete bridge girders in concrete before the deck pour. (For lateral stability and to prevent the soil from spilling …