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Probabilistic loss assessment of curved bridges considering the effect of ground motion directionality

期刊: EARTHQUAKE ENGINEERING & STRUCTURAL DYNAMICS, 2021; 50 (13)

This study aims to assess, in a probabilistic manner, the effect of seismic excitation direction on the performance of a 638 m-long, 12 span prestress......

Acceleration-based sliding mode hierarchical control algorithm for shake table tests

期刊: EARTHQUAKE ENGINEERING & STRUCTURAL DYNAMICS, 2021; 50 (13)

Existing control algorithms for seismic shake table tests (STTs) generally exhibit limitations such as poor acceleration tracking for displacement con......

A generalized seismic sliding model of slopes with multiple slip surfaces

期刊: EARTHQUAKE ENGINEERING & STRUCTURAL DYNAMICS, 2021; 50 (10)

Earthquake-induced permanent displacements of slopes are generally evaluated through the simplified sliding block analyses of a singular coherent mass......

Proportioning of self-centering energy dissipative braces

期刊: EARTHQUAKE ENGINEERING & STRUCTURAL DYNAMICS, 2021; 50 (10)

Self-centering energy dissipative (SCED) braces are designed to limit the maximum story drifts in buildings during earthquakes and to nearly eliminate......

Probabilistic seismic evaluation of SMA-based self-centering braced structures considering uncertainty of regional temperature

期刊: EARTHQUAKE ENGINEERING & STRUCTURAL DYNAMICS, 2021; 50 (13)

Smart materials such as shape memory alloys (SMAs) have unique material properties that can potentially mitigate structural damage against earthquake.......

Hybrid geotechnical and structural seismic isolation: Shake table tests

期刊: EARTHQUAKE ENGINEERING & STRUCTURAL DYNAMICS, 2021; 50 (12)

This paper proposes a hybrid seismic isolation system composed of geotechnical (a layer of sand or gravel as foundation soil) and structural isolation......

Structural optimal hybrid control strategies employing dynamic dual units: inerter and spring

期刊: EARTHQUAKE ENGINEERING & STRUCTURAL DYNAMICS, 2021; 50 (11)

The concepts of optimal hybrid control strategies in the time and frequency domains are proposed herein. The time-domain optimal hybrid control (also ......

Dynamic rocking response of a rigid planar block on a nonlinear hysteretic Winkler foundation

期刊: EARTHQUAKE ENGINEERING & STRUCTURAL DYNAMICS, 2021; 50 (10)

A new design philosophy termed "rocking isolation" has been advocated in recent studies on soil-structure interaction (SSI) toward utilizing nonlinear......

Experimental study of a new kind of double-layer shaking table

期刊: EARTHQUAKE ENGINEERING & STRUCTURAL DYNAMICS, 2021; 50 (11)

Existing large-scale electrohydraulic shaking tables (EHSTs) have limited frequency bandwidth because of the capacity of electrohydraulic systems. Her......

Free-rocking tests of a freestanding object with variation of center of gravity

期刊: EARTHQUAKE ENGINEERING & STRUCTURAL DYNAMICS, 2021; 50 (11)

Freestanding nonstructural objects are very common in various infrastructure systems, but their dynamic properties with variations in the center of gr......

Shake-table test of a two-storey low-damage concrete wall building

期刊: EARTHQUAKE ENGINEERING & STRUCTURAL DYNAMICS, 2021; 50 (12)

The increasing need to reduce damage and downtime in modern buildings has led to the development of a low-damage design philosophy, where the earthqua......

Seismic response and failure mechanism of underground frame structures based on dynamic centrifuge tests

期刊: EARTHQUAKE ENGINEERING & STRUCTURAL DYNAMICS, ; ()

During the 1995 Kobe earthquake in Japan, the Daikai subway station suffered total collapse, which made the research on the seismic failure mechanism ......

Parametric analysis and new design formulas of a prefabricated energy-dissipating composite slotted shear wall

期刊: EARTHQUAKE ENGINEERING & STRUCTURAL DYNAMICS, ; ()

In a conventional wall frame system, shear walls typically exhibit less deformation capacity under earthquakes than the frame. In this study, an innov......

Seismic response of a cross interchange metro station in soft soil: Physical and numerical modeling

期刊: EARTHQUAKE ENGINEERING & STRUCTURAL DYNAMICS, ; ()

The expansion of the Shanghai metro grid leads to a growing demand for underground stations. This paper studies the seismic performance of a typical c......

A new energy-compatible nonstationary stochastic ground-motion simulation method

期刊: EARTHQUAKE ENGINEERING & STRUCTURAL DYNAMICS, ; ()

A new time-frequency modulating function with a novel equivalent average-intensity envelope based on the instantaneous energy is proposed to simulate ......

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