Author |
Message |
Topic: Calculation of Effective length factor of column as per IS 456 |
vikram.jeet
Replies: 2
Views: 481
|
Forum: SEFI General Discussion Posted: Fri Feb 14, 2025 6:11 am Subject: Calculation of Effective length factor of column as per IS 456 |
In Manual design Era :
We used to analyse frames using Kani's Method,,
The stiffnesses (I/L ) were taken as under:-
FRAME BEAMS MONOLITHIC TO COLUMNS :-
FOR T BEAMS - 2.0 I/L
FOR L BEAMS ... |
Topic: Release of Torsion in RCC Beam in structural model |
vikram.jeet
Replies: 1
Views: 633
|
Forum: SEFI General Discussion Posted: Sat Feb 08, 2025 5:12 pm Subject: Release of Torsion in RCC Beam in structural model |
Torsion effect :-
Carrying Load through associated torsion is costly,, but it is to be seen wether torsion is equilibrium torsion Or Compatibility Torsion.
In case it is Equilibrium Torsion - I. ... |
Topic: sub: Castellated steel beams |
vikram.jeet
Replies: 14
Views: 15106
|
Forum: SEFI General Discussion Posted: Sat Feb 01, 2025 4:57 am Subject: sub: Castellated steel beams |
Horizontal Shear Aspect :
Since welding length of two parts cut from Girder and to be joined at center (NA) is staggered and reduced,, this weld needs to be thick enough to facilitate horizontal sh ... |
Topic: Determination of General/Local shear failure of soil |
vikram.jeet
Replies: 2
Views: 811
|
Forum: SEFI General Discussion Posted: Sat Feb 01, 2025 4:43 am Subject: Determination of General/Local shear failure of soil |
Idea is :-
Loose,, Soft soils -- More prone to LSF
Dense Soils - Less prone to LSF |
Topic: Determination of General/Local shear failure of soil |
vikram.jeet
Replies: 2
Views: 811
|
Forum: SEFI General Discussion Posted: Fri Jan 31, 2025 3:22 pm Subject: Determination of General/Local shear failure of soil |
STRUCTURE AND GEOTECHNICAL COMBINE
ULTIMATE BC OF SHALLOW FOUNDATIONS ON SOILS
FOR COHESION LESS SOILS C=0
This needs to be calculated based on Relative density (RD)index of cohesion soil
If R ... |
Topic: Horizontal subgrade reaction of soil |
vikram.jeet
Replies: 3
Views: 1020
|
Forum: SEFI General Discussion Posted: Thu Jan 30, 2025 5:10 pm Subject: Horizontal subgrade reaction of soil |
MODULUS OF SUBGRADE REACTION
MODULUS K = (LOAD/AREA) /( CORRESPONDING SETTLEMENT)
Generally for field tests on 75cm circular plate , pressure for 1.25mm Settlement is taken .
Then K = p/0. ... |
Topic: Horizontal subgrade reaction of soil |
vikram.jeet
Replies: 3
Views: 1020
|
Forum: SEFI General Discussion Posted: Thu Jan 30, 2025 5:08 pm Subject: Horizontal subgrade reaction of soil |
Modulus of subgrade reaction is =( Load/area )/ settlement.
Bowels formula K = 40*SBC*FOS
The formula considers 25mm settlement of foundation
At ultimate Bearing capacity , settlement of 2 ... |
Topic: Horizontal subgrade reaction of soil |
vikram.jeet
Replies: 3
Views: 1020
|
Forum: SEFI General Discussion Posted: Thu Jan 30, 2025 5:07 pm Subject: Horizontal subgrade reaction of soil |
MODULUS OF SUBGRADE REACTION as per NBC
EMPIRICAL FORMULA FOR CALCULATING MODULUS K
K= 0.65 {(Es*B^4)/(E I)}^(1/12) * Es/(1 - u^2) * 1/B
Approximately K can be taken as
K = 0.65 * Es/(1 ... |
Topic: sub: Castellated steel beams |
vikram.jeet
Replies: 14
Views: 15106
|
Forum: SEFI General Discussion Posted: Thu Jan 30, 2025 4:55 pm Subject: sub: Castellated steel beams |
Castellated Steel Beams :-
To economise,, the practice of castellated beams came into the Structural design work - Long back ,,
Generally suitable for sloped roofs of metallic/ cement sheetings ... |
Topic: SEARCH FOR A MENTOR |
vikram.jeet
Replies: 77
Views: 76901
|
Forum: Speak Out Box Posted: Thu Jan 16, 2025 1:47 pm Subject: SEARCH FOR A MENTOR |
Search for Mentor :-
A General note
Mentor / Guide / Trainer / Guru / Coach -
To learn, practice and master a trade,, need for mentor is very much there - be it a mechanic, a musician, ... |
|