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Two solutions developed and implemented in NZ for seismic improvement of URM buildings - PowerPoint PPT Presentation


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Two solutions developed and implemented in NZ for seismic improvement of URM buildings. Engineered Cementious Composite (ECC) applied as shotcrete Carbon Fibre Strips applied Near Surface Mounted. Strengthening of URM buildings using ECC Shotcrete. Ultimate. Yield.

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Two solutions developed and implemented in nz for seismic improvement of urm buildings
Two solutions developed and implemented in NZ for seismic improvement of URM buildings

  • Engineered Cementious Composite (ECC) applied as shotcrete

  • Carbon Fibre Strips applied Near Surface Mounted


Strengthening of urm buildings using ecc shotcrete
Strengthening of URM buildings using ECC Shotcrete improvement of URM buildings

Ultimate

Yield


Test program to provide design methodology
Test program to provide design methodology improvement of URM buildings

6 out-of-plane test

51 in-plane test

25 clay brick masonry

26 concrete masonry

Yi-Wei Lin


Implementation
Implementation improvement of URM buildings

Wintec F block

Victoria Park Chimney


Nsm cfrp retrofit near surface mounted nsm carbon frp cfrp strips
NSM CFRP retrofit improvement of URM buildingsNear surface mounted (NSM) Carbon FRP (CFRP) strips

CFRP NSM

Groove preparation

15mm x 1.2mm CFRP strips

Retrofitted wall


Test results
Test results improvement of URM buildings

Close up – crack pattern

53 pull tests conducted


In plane wall panels
In-plane wall panels improvement of URM buildings


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