CSI ETABS - 12 - Beam (Moment 3-3, Shear 2-2) Column (Moment 33,22 Shear 33, Shear 22) part 2
ฝัง
- เผยแพร่เมื่อ 1 ต.ค. 2019
- In this lecture local axis Beams (Moment 3-3, Shear 2-2) Columns (Moment 33,22 Shear 33, Shear 22) part 2 are discussed in detail
DETAILS:
The local axes color convention for joints, frame elements, shell elements, etc. is as follows:
local 1 axis: red
local 2 axis: green
local 3 axis: blue
Local Axes - Frames::::::::
By default the local 1-axis of a frame object extends from the i-end of the element to the j-end (Along the length of the member). The default orientation of the local 2 and 3 axes depends on the frame-type (column, beam or brace) and in some instances the orientation of the frame element itself.
The default local axes orientation for frame objects is different for
Vertical Frame Objects:::::: ))))))))
Local axis 1 is along the frame object. The positive local 1-axis is in the same direction as the positive global Z-axis, upward.
Local axis 2 is perpendicular to the frame object. The projection of the positive local 2-axis onto the global X-axis is in the same direction as the positive global X-axis.
Local axis 3 is perpendicular to the frame object. The direction of the positive local 3-axis is determined from applying the right-hand rule using the directions of the 1 and 2 axes described in the preceding bullets.
Horizontal Frame Objects:::::: ))))))))
Local axis 1 is along the frame object. The projection of the positive local 1-axis onto the global X-axis is in the same direction as the positive global X-axis. If the frame object is parallel to the global Y-axis such that there is no projection onto the global X-axis, the positive direction of the local 1-axis is the same as the direction of the positive global Y-axis.
Local axis 2 is perpendicular to the frame object. The positive local 2-axis points in the same direction as the global Z-axis, upward.
Local axis 3 is perpendicular to the frame object and is horizontal. The direction of the positive local 3-axis is determined from applying the right-hand rule using the directions of the 1 and 2 axes described in the preceding bullets.
Other (neither vertical nor horizontal) Frame Objects:::::: ))))))))
For line objects that are not vertical and are not horizontal, the local axes have the following default orientation:
Local axis 1 is along the frame object. The positive local 1-axis has an upward sense. The projection of the positive local 1-axis onto the global Z-axis is in the same direction as the positive global Z-axis, upward.
Local axis 2 is perpendicular to the frame object. The local 1-2 plane is vertical. The positive local 2-axis has an upward sense. The projection of the positive local 2-axis onto the global Z-axis is in the same direction as the positive global Z-axis, upward.
Local axis 3 is perpendicular to the frame object and is horizontal. The direction of the positive local 3-axis is determined from applying the right-hand rule using the directions of the 1 and 2 axes described in the preceding bullets.
Local Axes - Shell Objects:::::: ))))))))
The local 3-2 plane is taken to be vertical; that is, parallel to the Z axis.
The local 2-axis is taken to have an upward (+Z) sense unless the element is horizontal, in which case the local 2-axis is taken to be horizontal along the global +Y direction.
The local 1-axis is always horizontal; that is, it lies in the X-Y plane.
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But how to solve this problem because every structure having same problem . please tell me....
I was confused about what moment 3-3 actually means, this video helps me to clear the confusion.thanks
👍
Learning alot from yuor videos
Thanks Buddy
Hi, I do not know exactly inplane shear and moment mean, it always equal 0. Would you explain it?
Thanks
excellent video!
Thanks dear....
Share with your friends and other students
Sir for design of footing , which one should we need to see ???
you have to take load from column
Axial + Moment 3-3 + Moment 2-2
I would like you to make an example about construction sequence using ETABS.
Sure, Please
Can I ask the program to only show moments in columns but not in beams? If positive, how can I do it??
Yes... You can hide the beams, then it will show the SFD, BMD for columns only
Very well explained, do you give provide online tutoring?
Yes in CSI ETABS CSI SAP2000 and CSI SAFE only
How can I contact you? Please send me the details.
@@omarsharief9500 civilmdcgroup@gmail.com send email or fill the form docs.google.com/forms/d/1CqQLGLzg47xtouA4plqXXzQojMbBfHUr7z499GajPJI
Please do videos on SAFE foundations design combined and raft
Here is a full course on CSI SAFE
th-cam.com/play/PL0h14oMuZXQ6l-O7aqF0hYsZbyJ7eFt1H.html
How to calculation detail soil pressure in retaining wall d water pressure in underground water reservoir,??? One Video upload
Can u use SI units in video lectures. It will be better to understand.
Dear, (Yes if you use SI units in daily life.... it will be good... but you can understand in FPS units also...)
Sir bottom story Ast is less than upper story etabs ia show so, how to fix this problem on etabs v16
It is okay.. It happens....
Due to more unbalanced moments in the upper storey as compared to lower...
@@civilmdc but sir how solve this problem please tell me sir because every structure having same problem..
@@SankhaSubhraSaha It's not a problem...... It's completely ok
It happens. Dont worry about it.
1st viewer 🤪