Institute of Industrial Science

0.0 0.5 1.0 1.5 2.0 2.5-20

0

20

40

60

80

Impa

ct fo

rce

[kN

]

Time [ms]0.0 0.5 1.0 1.5 2.0 2.5

-8

-6

-4

-2

0

2

4

6

8

Vel

ocity

[m/s

]

Time [ms]

Y. NAKANO LAB. ［Seismic Performance Evaluation of

RC Building Structures］

Department of Fundamental Engineering

http://sismo.iis.u-tokyo.ac.jp/

Earthquake Engineering / Structural Engineering

What happens to buildings during and after earthquakes? Be-202

Faculty of Engineering, Dept. of Architecture

Seismic Performance Evaluation of Reinforced Concrete Building Structures MEMBERS: Evaluation of Residual Axial Load Capacity of RC Columns after Shear Failure SUB-ASSEMBLAGE: Seismic Capacity Evaluation of Unreinforced Masonry Infilled RC Frames OVERALL STRUCTURE: Response Evaluation of RC Buildings due to Impact Loading by Tsunami Debris

Test Setup Principal Compressive Strain Distribution of Wall 3-Axis Strain Gauges of Concrete Block Wall

Investigation of seismic capacity （Diagonal strut mechanism・Shear strength）

Test Setup Specimen Overview after Axial Failure

Lateral actuator

Axial actuator

Specimen

Residual Axial Capacity vs. Lateral Displacement

Res

idua

l axi

al c

apac

ity

(kN

)

Lateral displacement (mm)

Loading

Measurement

Lateral actuator

Vertical actuator

Specimen

Pantograph

3-Axis strain gauge

Test Setup Velocity Curve before and after Impact Impact Force vs. Impact Duration

Building specimen

Tsunami debris

specimen

Impact duration

Max. impact force

Velocity before impact

Velocity after impact

: Evaluation results proposed in this study : Test results ×

High speed camera

Tsunami debris

specimen

Building specimen