Questions tagged [structural-engineering]
Questions related to the integrity, design requirements, or analysis of structures.
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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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How would you go about the steel columns being adjacent where an expansion joint is expected?
The building is a steel building with a composite slab.
The expansion joint is required because the building is 60m in length.
The problem is where the expansion joint is expected, the columns are ...
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Can't find correct reaction loads for statically indeterminate problem
been working on this problem all day and I feel as if I am going crazy. I am using SkyCiv to confirm the right answer and cannot get close to it, I have messed up both my attempts at superimposing and ...
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Static Equilibrium of Rigid Bodies
When we talk about the idea of static equilibrium in engineering mechanics we consider the idealized case of a body which is a rigid body, meaning it cannot deform. Then we solve for the 3 equilibrium ...
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How to calculate the height of the supporting structure of an arch and the thickness of an arch in relation to its span
Please refer to the attached image.
We know that if an arch is X unit wide then the supporting walls should not be less than X/4 unit width for the structural stability.
I would like to understand ...
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Find stresses involved and calculate magnitudes
I am new to mechanical design.What all forces and moments act on the hinge plate in following figure?How to find magnitude of stresses induced on the supports?
Note: The spring is an expansion spring ...
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Free body diagram problem: Linkage w/ magnets and friction hinge
I am a bit stumped on a IRL problem, which i simplified in the diagram below:
There are left and right beams (gray) linked together by a friction hinge. The bottom beam (black) is connected to the ...
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Analyzing shear stress of plate
I would like to conduct a nonlinear analysis to obtain the stress-strain curve of a plate subjected to shear force, as depicted in the figure below. However, I am encountering difficulties in setting ...
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Buckling length of continuous steel H columns in multi story buildings
I have seen that steel columns in multiple story buildings span multiple stories, in that case how do you calculate the buckling length for the column? do you take the whole column's height, or just ...
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I have a question about INISTATE Code (Analyzing a curved plate)
I'm studying welding-induced residual stresses for curved steel plates.
So, I need to use the INISTATE code taking initial stresses.
This is the picture that I want to analyze.
I divided a curved ...
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Determining the suitability of a timber joint in a given situation
There seems to be a lot of information around calculating the forces exerted on a structure. When joining wood, once the structural analysis is done, how is the performance limit of a certain type of ...
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