| Author |
Message |
 Topic: Mettur Tamilnadu-Seismic zone |
rajancivildesign@gmail.co
Replies: 4
Views: 1280
|
 Forum: SEFI General Discussion Posted: Wed Jun 24, 2020 2:34 pm Subject: Mettur Dam in Seismic zone III |
Sir,
Previously Salem was in seismic zone II. Now as per IS1893 part 1-2016 it comes under seismic zone III. Since Mettur Dam is part of Salem district it is under zone III only. in TNEB, in all o ... |
| Topic: Structural Design using Excell Spread sheet |
rajancivildesign@gmail.co
Replies: 72
Views: 132946
|
Forum: SEFI General Discussion Posted: Thu Apr 16, 2020 11:25 am Subject: Excell sheet for wind for open and closed structure |
i herewith attached wind calculation for closed and open structure as per IS875 part3 for reference.
V.M.RAJAN |
| Topic: Why this beam rebar is cranked like this? |
rajancivildesign@gmail.co
Replies: 7
Views: 1907
|
Forum: SEFI General Discussion Posted: Thu Apr 09, 2020 4:49 pm Subject: Beam rebar cranked |
| In beam design the shear has to be resisted by concrete and steel. After taking shear by concrete balance shear has to resisted by stirrups. To take some portion of shear say 50% of balance shear r ... |
| Topic: How to decide the Size of Column before calculating the load |
rajancivildesign@gmail.co
Replies: 2
Views: 1053
|
Forum: SEFI General Discussion Posted: Thu Apr 09, 2020 3:07 pm Subject: Size of rcc column for a building |
I herewith attached the details of choosing rcc size of column for a building for reference.
V. M. Rajan. |
| Topic: Circular column Vs Square column |
rajancivildesign@gmail.co
Replies: 14
Views: 3278
|
Forum: Speak Out Box Posted: Thu Apr 09, 2020 3:21 am Subject: Circular column in bridge design |
| For bridge design across river course, circular column is provided to divert waterway suitably in the upstream and downstream. For bridges in city like metro you can see only square column. Circular c ... |
| Topic: Circular column Vs Square column |
rajancivildesign@gmail.co
Replies: 14
Views: 3278
|
Forum: Speak Out Box Posted: Sat Apr 04, 2020 2:22 pm Subject: circular column design excell sheet |
| I herewith attached one excell sheet for circular column for M20 mix and steel grade Fy415 for reference. We can generalised the design sheet for any grade of concrete and any grade of steel by progr ... |
| Topic: Circular column Vs Square column |
rajancivildesign@gmail.co
Replies: 14
Views: 3278
|
Forum: Speak Out Box Posted: Tue Mar 31, 2020 4:19 am Subject: Comparison of moment of inertia |
| The area of square and circular are almost equal but moment of inertia for square column is 1/12 b^4 where as circular column is π/64 xb^4. You can compare which section have more moment of iner ... |
| Topic: Circular column Vs Square column |
rajancivildesign@gmail.co
Replies: 14
Views: 3278
|
Forum: Speak Out Box Posted: Mon Mar 30, 2020 4:29 pm Subject: Design of circular column |
| The circular column have less buckling than square column because the centroid is symmetry about all the axis. More over by design itself circular requires minimum 6 bars whereas square column requir ... |
| Topic: Truss models of various types using Staad pro |
rajancivildesign@gmail.co
Replies: 0
Views: 1025
|
Forum: SEFI General Discussion Posted: Tue Mar 17, 2020 5:30 pm Subject: Truss models of various types using Staad pro |
I herewith attached the various types of truss using staad pro for reference. V. M. Rajan
- Forwarded message
From: Rajan v.m. <rajancivildesign@gmail.com ([email]rajancivildesign@gmail.com[ ... |
| Topic: Proposed REVISION OF IS:456-2000- Inviting Comments |
rajancivildesign@gmail.co
Replies: 161
Views: 111565
|
Forum: SEFI General Discussion Posted: Tue Mar 17, 2020 2:57 pm Subject: Toilet slab without beam support |
Design of toilet slab without folding beam at intermediate support is attached for reference.
V.M.RAJAN |
| |
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