All Questions
Tagged with structural-engineering stresses
98
questions
0
votes
0
answers
18
views
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 ...
0
votes
0
answers
18
views
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 ...
- 1
0
votes
0
answers
22
views
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 ...
- 1
0
votes
1
answer
99
views
Combined shear stress due to shear force and torsion
Let's assume I have a rotating shaft supported with bearings at both ends. This shaft is exposed to a point load (by means of another bearing) at some point and a torque. I want to calculate shear ...
- 1
0
votes
2
answers
28
views
$𝛕_{xz}$ in the flanges of T and I Sections
When we have a T or I section under a shear force $V_y$ I usually must account for a horizontal shear force across the section's Z axis ($𝛕_{xz}$). I understand why a transverse shearing force would ...
-1
votes
1
answer
28
views
Find the internal bending moment, Mc
A 7meter,m, long cantilever beam whose weight per meter is 19Newton, N, carries a load that varies uniformly from 43N/m, (Newton/meter), at the inbuilt side, point A, to 0 at the free end, point B. ...
- 1
0
votes
0
answers
126
views
Dual Axle Tiny House Trailer Build; Question About Structural Integrity of Trailer Design
I have questions about the fabrication of a tiny house trailer I am building. The questions are focused primarily whether I am adding enough cross supports.
My overarching design principle:
That of a ...
- 1
0
votes
2
answers
223
views
Why is stress the same even if I change the material?
I was performing a simple static structural analysis using Ansys to check the stress value for different materials. I have kept the below parameters constant:
Geometry
Force (in N)
Area on which the ...
- 115
5
votes
1
answer
138
views
Creep of the materials
Does creep exists for all materials at any stress at room temperature? I searched for this and could not find any answer other than creep isn't significant at low stresses and low temperatures. What I ...
- 153
-1
votes
2
answers
62
views
What does cycle mean in fatigue strength diagram?
A shaft at an usual factory might rotate 2000-3000 (10^3-10^4) per day. So, its rotation cycle easily reaches numbers indicated on X axis below. What does number of cycles in the diagram below exactly ...
- 125
0
votes
3
answers
92
views
Resultant Forces in a vertical rod
This is a pretty basic question. So in the below figure is the representation of prismatic column. The forces are represented as P1 and P2. let x be an arbitrary cross section between A and B. The ...
0
votes
1
answer
70
views
Ideal design for a long fruit plucking pole
I need to design a long (6-7m) pole for plucking fruits from tall trees.
The following are the requirements:
The pole material needs to be as light as possible.
The pole should not be flexible ...
- 3
0
votes
3
answers
617
views
Shear Strain and no change in volume of the element
Consider that at a particular point of the body the state of stress was that of a pure shear one, with $\tau_{xy}$ and $\gamma_{xy}$ as the shear stress and strain. I read two statements in two ...
- 859
1
vote
2
answers
216
views
How to solve this complicated truss system?
Below is a truss I simulated in a truss calculator. I'm just wondering, how to solve for the compression and tension of each member and are there any method that can solve this?
My solution is I ...
- 31
1
vote
3
answers
706
views
How to use Mohr's circle to find stresses on a slanted plane?
Here is my attempt to the problem:
Does this make sense? rotation clockwise 60* from horizontal to normal of the slanted plane , therefore $2 \times 60$ clockwise as well on Mohr's circle.
I am ...
- 286