Questions tagged [structural-engineering]
Questions related to the integrity, design requirements, or analysis of structures.
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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 ...
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USD beam to support ultimate moment of 650kN-m, limited to an effective depth of 600mm and 300mm width. Effective depth for compression steel is 60mm
I don't understand how exactly can a beam as described can support a 650kN-m ultimate moment. The only allowed bars are 28mm∅ bars. Consider 40mm side covering and bar spacing to be greater or equal ...
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Help with understanding needed rebar
I've received a structural engineer report where the engineer has defined the dimensions of the required padding. It's the padding that a steel column post will be bolted into. I noticed he's put some ...
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Is there any standard procedure or guideline to solve complex asymmetrical trusses such as saw tooth type of truss used for polyhouse construction?
I want to solve for the dead load,live load as well as wind load for a saw tooth type of truss, which is asymmetrical in nature....generally used for the construction of greenhouse. I also want to ...
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Mat Footing (Bending Moment Issue of the Short Strip)
Hi I'm a civil engineering student, I wanted to ask for help and clarification for the design of mat footing. I used the Rigid method and based my design on the ACI 336_2R and Foundation Engineering ...
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How to build bench with a rocking top rectangular section?
I want to build a metal bench, maybe 2m x 50cm x 40cm(W). A bit like a weights bench. The flat top rectangular section you sit or lay on should rock maybe 30 degrees to each side. What parts would be ...
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