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  Digital Catalogue for Technology and Products Development

   Technology and Product Development

    Basic Information

Technology developed: Hybrid buckling restrained brace (HyBRB) (TP19763247979)
Category: Product (Hardware/Material/Software)
Details of Inventor(s):
Inventor Institution/Organization/Company Department Designation
Prof. S.K. Deb et al. IIT Guwahati Dept of Civil Engg, Professor (HAG)
Technical Application Area: Civil Engineering
If 'Other', please specify:
High performance earthquake resistant design: Seismic response control protection of buildings using
Please give more details of new technical application area:
Buckling restrained braces are recognized as one of the most efficient energy dissipating devices BRB consists of an axially loadcarrying steel core restrained in a mortar filled steel tube and a debonding layer separating the core and restrainer The restrainer prevents global buckling of the core hence improves the buckling load BRBs are of two types namely mortar filled BRBs which are bigger heavier and relatively expensive while all steel BRBs are lighter provides option to inspect and replace the steel core if required Researchers investigated the efficiency of BRBs considering different demand aspects and concluded that flat core along with strong restrainers enables BRB to facilitate high mode buckling with stable hysteretic behaviour In the present study an inspectable and easily detachable steel BRB model with rubber like infill material between core and restrainer has been developed Soft infill material allow axial deformation of core Experimental and numerical studies have been carried out to evaluate their mechanical and energy dissipation characteristics This Hybrid BRB HyBRB is capable of providing stable hysteresis loops and dissipate sufficient energy without any deformation in the restrainer Therefore this device would be useful for high performance seismic design of buildings structures
Indian Institute of Technology (IIT) Guwahati
Affiliated Ministry: MHRD, Govt. of India
Type of technology development: Indigenous
Does the technology help in replacing any import items currently
procured from outside India?
Does the technology have export potential? Yes
Category of Technology developed: Immediate Deployment
Stage of Development: Lab-Scale
Please describe in detail including the TRL Level:



    Technology Inputs:

Imported Equipment/Spare Parts:
Equipment/Spare Parts Year ITC-HS Code
Indigenous Equipment/Spare Parts:
Equipment/Spare Parts Year ITC-HS Code
Imported Raw Materials:
Raw Materials Year ITC-HS Code
Indigenous Raw Materials:
Raw Materials Year ITC-HS Code
Existing R&D Facilities used:
Facilities Year ITC-HS Code

    R&D Investment:

R&D investment (Rs. in Lakhs):                    
Indian Source (Rs.) Foreign Source (Rs.) Year
0 0 NA

   Patents & Publications:

Filed Patents (No.) Granted Patents (No.) Year
0 0 NA
Submitted (No.) Published (No.) Year
0 0 NA

    Commercialization Potential:

Who are the Potential Licensees?
What commercially available products address
the same problem?
Company Product Problem Addressed
Would you like to develop this invention further with
corporate research support?
Would you be interested in participating in cluster based
programs for commercialization research or business
planning for your invention?
      Submitted by: Jinti Saikia Date of Submission: 5-8-2020

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