3 2012 diseno por desempeno

DISEÑO POR DESEMPEÑOBLED PUNTO DE REFERENCIA

Rubén L. Boroschek, Ph. D.Jefe División Estructuras Construcción Geotecnia

Universidad de Chile

Profesor Rose School, ItaliaProfesor Honorario Universidad San Antonio Abad del Cusco, Peru

Gerente de RBA

rborosch@ing.uchile.cl TWITTER @boroschek

BLED ESLOVENIA

BLED 4 HOMENAJE A KRAWINKLER Y FAJFAR

QUIENES

MAHIN

MAHIN

MAHIN

MAHIN

MAHIN

MAHIN

MAHIN

MAHIN

IBRAHIMBEGOVIC

IBRAHIMBEGOVIC

IBRAHIMBEGOVIC

Cyclic Load Plan

-16%-14%-12%-10%

-8%-6%-4%-2%0%2%4%6%8%

10%12%14%16%

0 5 10 15 20 25 30 35 40 45 50Cycle

Dri

ft R

atio

(%)

SAIIDI

10% Drift

ResidualAfter10% Drift

Conventional SMA/Conc. SMA/ECC

SAIIDI

NEW ELASTOMERIC PAD DEVELOPED AT UNR:SHIMMED PADS TO PREVENT BUCKLING AND RUPTURE OF LONGITUDINAL BARS

SAIIDI

SAIIDI

NAGAE

MAHIN

MAHIN

APPLIED SENSOR• Inexpensive sensor 24-bit control

• Minimum accuracy of 0.2 gal

• Network connection

KUSUNOKI

APPLIED STRUCTURE

Building for Department of Architecture

Yokohama National Univeristy

• SRC structure

• H= 30.8 m

• 8-story + 1 BF

KUSUNOKI

Measured earthqukaes (seismic intensity > 1)

A- 1 A- 6 A- 11 A- 16 B- 5 B- 10 B- 15

0

5

10

15

20

25

30

35

40 After retrofitting

PG

A (

cm

/sec

2)

Earthquake

X direc. Y direc. Z direc.

Before retrofitting

KUSUNOKI

PERFORMANCE CURVE AND SKELETON CURVE

- 0.10 - 0.08 - 0.06 - 0.04 - 0.02 0.00 0.02 0.04 0.06 0.08 0.10

- 15

- 10

- 5

0

5

10

15

R

epre

senta

tive

acc

. (c

m/s

ec2)

Representative disp. (cm)

Performance curve Skelton curve

KUSUNOKI

Equivalent Period (Y-direction)

A- 1 A- 6 A- 11 A- 16 B- 5 B- 10 B- 15

0.35

0.40

0.45

0.50

0.55

After retrofitting

Nat

ural

per

iod

(sec

)

Earthquake

Y Direction Max point Transfar func. CF FFT CF 1/ (2) 0̂.5 method

Before retrofitting

KUSUNOKI

KRAWINKLER

KRAWINKLER

REINHORN

REINHORN

REINHORN

REINHORN

KRAWINKLER