On the Influence of the Vertical Earthquake Component on Structural Responses of High-Rise Buildings Isolated with Double Friction Pendulum Bearings
Abstract
:1. Introduction
2. Modelling of Base-Isolated Buildings with DFP Bearings
2.1. Bidirectional Behaviour
2.2. Considering the Vertical Excitation of Earthquakes
3. Description of Case Study and Ground Motion Inputs
- −
- effective radii = = 1968 mm,
- −
- displacement limits = = 250 mm,
- −
- friction coefficients = 0.02–0.06, = 0.06–0.1, ,
- −
- and constants in Equation (4) are selected based on the work of Constantinou [6], i.e., , , , , and .
4. Analysis Results
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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N. | Event | Station | Soil Type | PGA (g) | ||||
---|---|---|---|---|---|---|---|---|
X | Y | Z | ||||||
Record 1 | Northridge-01 (1994) | Rinaldi Receiving | 6.69 | 6.50 | D | 0.874 | 0.472 | 0.958 |
Record 2 | Northridge-01 (1994) | LA-Obregon Park | 6.69 | 37.36 | D | 0.568 | 0.514 | 0.217 |
Ground Motion | Response | Non-Isolated | Isolated (XY) | Per. of Reduc. (%) | Isolated (XYZ) | Per. of Reduc. (%) |
---|---|---|---|---|---|---|
Record 1 (near-source) | Roof accel.-X (g) | 4.285 | 1.038 | 76 | 1.690 | 61 |
Roof accel.-Y (g) | 1.760 | 0.608 | 65 | 1.038 | 41 | |
1st-floor shear-X (kN) | 1.331 × | 1.033 × | 92 | 1.409 × | 89 | |
1st-floor shear-Y (kN) | 5.988 × | 9.332 × | 84 | 1.197 × | 80 | |
Record 2 (far-field) | Roof accel.-X (g) | 1.741 | 0.582 | 67 | 0.617 | 65 |
Roof accel.-Y (g) | 1.890 | 0.610 | 68 | 0.623 | 67 | |
1st-floor shear-X (kN) | 4.546 × | 6.017 × | 87 | 6.788 × | 85 | |
1st-floor shear-Y (kN) | 6.564 × | 6.996 × | 89 | 7.255 × | 89 |
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Hoang, P.H.; Phan, H.N.; Nguyen, V.N. On the Influence of the Vertical Earthquake Component on Structural Responses of High-Rise Buildings Isolated with Double Friction Pendulum Bearings. Appl. Sci. 2021, 11, 3809. https://doi.org/10.3390/app11093809
Hoang PH, Phan HN, Nguyen VN. On the Influence of the Vertical Earthquake Component on Structural Responses of High-Rise Buildings Isolated with Double Friction Pendulum Bearings. Applied Sciences. 2021; 11(9):3809. https://doi.org/10.3390/app11093809
Chicago/Turabian StyleHoang, Phuong Hoa, Hoang Nam Phan, and Van Nam Nguyen. 2021. "On the Influence of the Vertical Earthquake Component on Structural Responses of High-Rise Buildings Isolated with Double Friction Pendulum Bearings" Applied Sciences 11, no. 9: 3809. https://doi.org/10.3390/app11093809
APA StyleHoang, P. H., Phan, H. N., & Nguyen, V. N. (2021). On the Influence of the Vertical Earthquake Component on Structural Responses of High-Rise Buildings Isolated with Double Friction Pendulum Bearings. Applied Sciences, 11(9), 3809. https://doi.org/10.3390/app11093809