Questions tagged [structural-engineering]
Questions related to the integrity, design requirements, or analysis of structures.
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What does the inside of an external wall look like?
I want to be able to simulate heat transfer through a wall, and to do that I need to know what the anatomy of the wall I'm simulating is. Preferably be simple e.g 1/2 inch ply wood to 4 in of fiber ...
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Which Timber LOK screws to reinforce shallow ridge, and how many?
I bought a tiny house shell that still needs some rafter reinforcement. I have chevron-shaped gussets from 1/2'' plywood that I'm going to glue and nail on either side of the middle gambrel joint on ...
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How to model fibre reinforced concrete on LUSAS?
As part of my dissertation, I need to cross verify my finite element analysis results using LUSAS using some experimental results, and although i can find some stress-strain relation in some articles, ...
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Design a string
Consider a string with a mass attached. The string is fixed to the support above, and the mass is hanged at the other end. Is it possible to design the string for the following two cases?
The mass is ...
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Tipping Point for Free Standing Wall
I work at a museum and we use weighted free standing walls to hang artwork in the center of rooms.
Could someone recommend how much weight to use inside our walls to ensure stability with the ...
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Glue type for HDPE
What type of glue should be used for HDPE sheet to glue to itself
And what type of glue for HDPE be glued to wood?
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Find out the loads acting per unit length on the beams supporting an open well stair
Please see the attached picture.
I want to find out the dead load per unit length and live load per unit length (both in kN/m), that will be acting on the floor beam (300 mm × 450 mm) and the landing ...
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King post truss question
Problem:
Sagging roof in the middle of a garage.
I could sister the bottom cord and/or add struts from bottom cord to the rafters but room is very limited.
Question:
After jacking the trusses at the ...
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Framing material for a pickup bed topper for overlanding
and thanks in advance for your comments. I am looking for a light weight framing solution, for a diy truck bed topper to use while overlanding.
The frame needs to hold about 300lbs dynamic load while ...
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Are mutli-story structure slabs poured on-center?
What exactly does it mean to have a multi-storey building where each storey is 2.4 meters?
I've read a lot of descriptions of buildings that say each storey is "2.4 meters" or "3 meters&...
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Why do period and damping ratio affect acceleration?
In the table above, the period of the structure $(T)$, the acceleration coefficient on the structure ($g$ in terms of gravitational acceleration) $Sa(T)$, The damping ratio is expressed as $ζ$ .
As ...
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How does one calculate the aerodynamic pressure on a spacecraft during Max Q?
Just as lift - off of a spacecraft commences, that spacecraft undergoes aerodynamic pressure. After a certain point, the spacecraft reaches Max Q or maximum aerodynamic pressure. I do know that Max Q ...
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Steel beam splice design
What is a good source of design recomendations for beam splices? I'm designing a structure and I need some help with getting proper splice strength for certain beam size. To make it simpler, I need ...
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Names for 3d tensile structure
A naive natural language description might be 'pole supported by tent-like 3d wire net' for the depicted playground climbing arrangement made of rope with a pole in the center.
Is there a more precise ...
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How to calculate the material and thickness I need for a certain force on it?
I am trying to figure out how to design how thick a material has to be so that the bar shown in picture 1 stays intact when a user is running on it.
Background: The project is a treadmill and the user ...
