www.sefindia.org

STRUCTURAL ENGINEERING FORUM OF INDIA [SEFI]

 Forum SubscriptionsSubscriptions DigestDigest Preferences   FAQFAQ   SearchSearch   MemberlistMemberlist   UsergroupsUsergroups  RegisterRegister FAQSecurity Tips FAQDonate
 ProfileProfile   Log in to check your private messagesLog in to check your private messages   Log in to websiteLog in to websiteLog in to websiteLog in to forum 
Warning: Make sure you scan the downloaded attachment with updated antivirus tools  before opening them. They may contain viruses.
Use online scanners
here and here to upload downloaded attachment to check for safety.

Grade of concrete for bridges in snow bound areas

 
Post new topicReply to topic Thank Post    www.sefindia.org Forum Index -> Dams and Bridges
View previous topic :: View next topic  
Author Message
ankush_sharma
SEFI Member
SEFI Member


Joined: 07 Sep 2023
Posts: 1

PostPosted: Tue Oct 17, 2023 2:41 am    Post subject: Grade of concrete for bridges in snow bound areas Reply with quote

Dear Sefians,
Is it compulsory to provide minimum grade of concrete M-40 for bridges in snow bound areas or there are other considerations that may be accounted for proposing a lower grade of concrete in bridges in such areas
Back to top
View user's profile Send private message
vikram.jeet
General Sponsor
General Sponsor


Joined: 26 Jan 2003
Posts: 3843

PostPosted: Tue Oct 17, 2023 8:13 am    Post subject: Reply with quote

As per irc 21 (2000 ) version :-
For Pre stressed conc bridges,, bridges having length >60 m Or bridges constructed using innovative technology -

Moderate conditions
Pcc members M 25
Rcc members M30
PSC members M35

Severe conditions
Pcc members M 30
Rcc members M35
PSC members M40

For Other Bridges and Culverts

Moderate conditions
Pcc members M 15
Rcc members M20


Severe conditions
Pcc members M 20
Rcc members M 25



Snow bound areas can be taken in severe conditions
Back to top
View user's profile Send private message
vikram.jeet
General Sponsor
General Sponsor


Joined: 26 Jan 2003
Posts: 3843

PostPosted: Tue Oct 17, 2023 8:19 am    Post subject: Reply with quote

But latest IRC 21 to be checked for any change
Back to top
View user's profile Send private message
vikram.jeet
General Sponsor
General Sponsor


Joined: 26 Jan 2003
Posts: 3843

PostPosted: Wed Oct 18, 2023 4:07 am    Post subject: Reply with quote

If snowfall in area is less and most of year the structures are not in snow,, Moderate conditions of exposure can be nearly taken,,
Also pl see the bridge,, whether RCC or Pre stressed,,  and take minimum mix adopted as per IRC
Back to top
View user's profile Send private message
Display posts from previous:   
Post new topicReply to topic Thank Post    www.sefindia.org Forum Index -> Dams and Bridges All times are GMT
Page 1 of 1

 

 
Jump to:  
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum
You cannot attach files in this forum
You can download files in this forum


© 2003, 2008 SEFINDIA, Indian Domain Registration
Publishing or acceptance of an advertisement is neither a guarantee nor endorsement of the advertiser's product or service. advertisement policy