INTRODUCTION
LIVE TECHNICAL DISCUSSION SERIES
Thank you all for actively participating in the live technical discussion related to draft IS 1893 (Part 1) on 18-MAY-23. If you have missed out the session, then you may go through the recording at following link:
Recently, BIS has published draft standard of IS 1893 (Part 1) and IS 1893 (Part 2).
Doc. No. | Title |
CED 39(22343)WC | Draft Indian Standard Criteria for Earthquake Resistant Design of Structures Part 1 General Provisions [Seventh Revision of IS 1893 (Part 1)] |
CED 39(22345)WC | Draft Indian Standard Criteria for earthquake resistant design of structures Part 2 Buildings [Seventh revision of IS 1893 (Part 1)] |
Draft standard of IS 1893 (Part 1) contains general provisions on earthquake hazard applicable to all structures.
Draft standard of IS 1893 (Part 2) contains provisions specific to earthquake resistant design of buildings.
Links for downloading the documents:
https://www.services.bis.gov.in/tmp/WCCED21022345_26042023_1.pdf
https://www.services.bis.gov.in/tmp/WCCED21022343_26042023_2.pdf
There are significant changes proposed in the draft standards, few of the same are mentioned below:
IS 1893 (Part 1)
- Earthquake zone map is revised
- Design horizontal acceleration coefficients are specified for strength and serviceability
- Design methodology included for Architectural Elements and Utilities (AEU)
- Categories of structures are included with requirement of different return period of earthquakes for strength and serviceability
- Procedure included for site specific earthquake hazard
- Performance expectation of the structure is detailed out.
- Range of modulus of subgrade reaction is mentioned.
- Soil stiffness calculations are added, etc.
IS 1893 (Part 2)
- Criteria are added for masonry buildings and steel buildings
- Response reduction factors are modified and renamed as Elastic force reduction factors
- Provisions on torsion is updated
- Structural plan density of the structural walls is varied with earthquake zone
- For RCC buildings, stiffness modifiers have same values for strength and serviceability
- Limits on lateral storey drift in building is mentioned with respect to seismic zone
- Concept of torsional flexibility is added
- Provisions added for buildings on sloping ground
- Displacement calculations added for Architectural elements and utilities
- Admissible structural systems in RC buildings for different earthquake zone is added.
- Admissible structural systems in Steel buildings for different earthquake zone is added.
- For steel buildings, for seismic zone 4, SMRF and EBF are suggested. For zone 5 & 6, only EBF is allowed, etc.
Last date for sending the comments to BIS is 25-Jun-2023.
As there are significant changes in the draft standards, we are planning to conduct the multiple sessions for the same. 2nd session is planned on 01-JUN-23 wherein Bhavin Shah (Founder & CEO, SQVe Consultants) will share his understanding of the document IS 1893 (Part 2) from the perspective of practicing engineer.
In the following registration form, you may share the specific discussion points related to the draft standards which may be taken up during the live session.
If you are willing to address the audience as a speaker then please connect with us through email address: contact@sqveconsultants.com
Schedule
Title: Discussion on draft standards | IS 1893 (Part 2)
DATE : 01-JUN-23
TIME : 8:30PM to 10:00PM IST
Brief about Expert
Bhavin Shah – Founder & CEO, SQVe Consultants
He is passionate about Engineering profession with two decades of experience. He is having a dream for enhancing the engineering profession in different organisations. He completed graduation in Civil Engineering and Masters in Structures from Sardar Patel University. He is having unique experience of working in the specialized firm of civil / structural consultancy which grew as multidisciplinary firm (VMS), large multidisciplinary firm (L&T Chiyoda Ltd.) and owner based engineering set up (Adani Infra (I) Ltd.). He worked in different organisations at different levels, starting from junior design engineer to CEO. He is Founder & CEO of SQVe Consultants. He is pursuing Ph.D. in Structural Engineering related to earthquake resistant design of industrial steel structures.
HOW TO REGISTER FOR THE EVENT?
Registration is FREE. You may share the specific doubts/queries/discussion points which may be discussed during the session. It would help us to structure the discussion.
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