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How to calculate / estimate / the structural frame resistance against earthquake in-terms of Richter scale?

 
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Ravikumar
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Joined: 18 Oct 2015
Posts: 10

PostPosted: Mon Sep 09, 2019 3:02 pm    Post subject: How to calculate / estimate / the structural frame resistance against earthquake in-terms of Richter scale? Reply with quote

how to measure/ calculate the existing rcc frame structure earthquakeresistance as that, the given structures are capable to bear the interms ofRichter Scale, how the beam column joints are connected to richer scale,because as all of us designing structure to with stand the earthquake and I feltit how to connect the measurement of earthquake with structure capacity orresistance to withstand it  
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VPandya
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Joined: 09 Nov 2009
Posts: 766
Location: Ahmedabad

PostPosted: Mon Sep 09, 2019 3:37 pm    Post subject: ASCE/SEI 41-17 Strength Evaluation of EXisting Buidings . Reply with quote

Dear Engr. Ravikumar ,

See if this ASCE Publication helps . We use such documens to do STRENGTH EVALUATION OF  EXISTING  STRUCTURES. Code Seismic Zones break down ( Ranges ) defines the magnitude of RICHTER SCALE in a particular zone .

Prepared by the Seismic Retrofit of Existing Buildings Standards Committee of the Codes and Standards Activities Division of the Structural Engineering Institute o ASCE
Seismic Evaluation and Retrofit of Existing Buildings, Standard ASCE/SEI 41-17, describes deficiency-based and systematic procedures that use performance-based principles to evaluate and retrofit existing buildings to withstand the effects of earthquakes. The standard presents a three-tiered process for seismic evaluation according to a range of building performance levels by connecting targeted structural performance and the performance of nonstructural components with seismic hazard levels. The deficiency-based procedures allow evaluation and retrofit efforts to focus on specific potential deficiencies deemed to be of concern for a specified set of building types and heights. The systematic procedure, applicable to any building, sets forth a methodology to evaluate the entire building in a rigorous manner.
This standard establishes analysis procedures and acceptance criteria, and specifies requirements for foundations and geologic site hazards; components made of steel, concrete, masonry, wood, and cold-formed steel; architectural, mechanical, and electrical components and systems; and seismic isolation and energy dissipation systems. Checklists are provided for a variety of building types and seismicity levels in support of the Tier 1 screening process. This new edition, which updates and replaces previous editions of ASCE 41, introduces revisions to the basic performance objectives for existing buildings and to the evaluation of force-controlled actions. It revises the nonlinear dynamic procedure and changes provisions for steel and concrete columns, as well provisions as for unreinforced masonry.
Standard ASCE/SEI 41-17 is a primary reference for structural engineers addressing the seismic resilience of existing buildings  and for building code officials reviewing such work; it also will be of interest to architects, construction managers, academic researchers, and building owners.


Regards.

Vasudeo Pandya  P.E.
Structural Engineer




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ASCE/SEI 41-17 , Strength Evaluation of Existing Buildings .
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