shaking table effects

In this paper, the seismic amplification effect, the hydrodynamic effects, and the vibration control by a single TMD are investigated through a series of underwater shaking table tests based on a 1:20 scaled model of a 5 MW OWT. The "no water", "with water", and "with water and TMD" tests are evaluated and compared.

This paper presents the results of extensive shake table testing and finite element analyses of a small-scale, 1.5-meter-tall shaking table specimen that was designed and scaled to experimentally capture the higher-mode effects of a 125-meter-tall reference tall building.

Shaking table test results are discussed in the following five subsections. Effects of shaking frequency and acceleration are discussed in the light of results of tests from Set3 and Set4, for battered and vertical retaining walls. The results obtained from Latha and Manju have been considered in this analysis to represent Set3.

Dynamic shaking table testing has proven to be a robust methodology for exploring the dynamic characteristics and failure modes of gravity dams. ... The effect of reservoir length on seismic performance of gravity dams to near- and far-fault ground motions. Nat. Hazards 2010, 52, 257–275. [Google Scholar] Calayir, Y.; Karaton, M. …

Abstract. An analytical model is developed to evaluate performance characteristics of unidirectional seismic simulators (shaking tables). The validity of the model is verified …

The shaking table output motion frequency range is 0.1 Hz–50 Hz, so the seismic waves were filtered to remove signals above 50 Hz and was adjusted by baseline correction. ... The seismic isolation effect of the cushion can be measured quantitatively by comparing the peak acceleration of the sensors above and below the cushion (i.e., A9 …

Request PDF | Shaking table test and numerical analysis of dynamic coupling effect between suspended system and OLF1000 | Earthquake damage data show that substation long-span frames (LSFs) have ...

Shaking table is an equipment that realizes separation by using the differential action and slant flow of table. It is comprised of the transmission mechanism, table, and framework. The transmission mechanism is fitted at one lengthwise end of the table. The table is nearly rectangular or rhombic. The table is inclined by 3 °–8 ° laterally …

The seismic site effects of local valley are investigated by shaking table test. The influence of the valley with different depth-to-width ratios is considered. The surface dynamic response of valley site exhibits strong spatial variability. The arc-shaped valley top is more susceptible to damage during earthquakes.

Furthermore, shaking table tests have been utilized to study various aspects, such as the effects of excitation frequency and amplitude on the seismic response of anchored water-filled single-walled steel liquid storage tanks [29, 30], the stresses and base moment of elevated water-filled single-walled steel cylindrical liquid storage tanks [31 ...

SUMMARY An analytical model is developed to evaluate performance characteristics of unidirectional seismic simulators (shaking tables). The validity of the model is verified with experimental measurements of the frequency response of the shaking table at the Catholic University of Peru. Interaction effects between shaking table and structure are first …

Third, shaking table tests are carried out on pipeline structures controlled by an MPD subjected to harmonic excitation, and the control effects are verified. Finally, a parametric study is ...

In the context of earthquake simulation in laboratory research, shaking table tests play an increasingly important role and are widely accepted as a valuable tool for …

The effects on the earthquake simulation caused by the characteristics of the specimen in the shaking table tests-part 1: the effects on the stability of the system. J B Univ Technol 2010; 36(8): 1091–1098. Google Scholar. 25. Wang JK, Liu AW, Li XJ, et al. Effect assessment for the interaction between shaking table and eccentric load.

To investigate vibration control effects of a tuned mass damper (TMD) on the monopile offshore wind turbine tower under wind …

The shaking table test of the AMSES carried out in this paper was part of the shaking table test of a single-arch and large-span PSSS (Ding et al., 2019, Tao et al., 2019, Tao et al., 2020).In the previous research, the research team performed the shaking table test of an AMS and the same type of cast-in-place structure, as shown in Table …

Shaking table tests were performed to investigate whether the coupling effect of rainfall and earthquake induces the loess slope instability. The loess slope model was made by using the similarity ratio based on a real slope. Artificial rainfall was carried out, and then seismic waves were loaded step by step to adopt a large shaking table of …

At present, the shaking table array is commonly used to simulate the wave passage effect, and the time difference is set for the seismic wave input to each shaking table in the array 26,27,28 ...

Shaking table scaling laws of 1 g recommended by Iai (Iai 1989; Iai et al. 2005 ; Hokmabadi et al. 2015 ) are used to design and build the reduced scale physical model for this experimental study.

This shaking table model test uses the large-scale earthquake simulation shaking table of the Lanzhou Seismological Research Institute of Gansu Seismological Bureau. The size of the vibrating table is 4 m × 6 m, the maximum bearing capacity is 25 t, the maximum acceleration is 1.7 g, the maximum speed is 1.5 m/s, and the maximum …

Chen et al. [15] investigated the effect of the earthquake induced hydrodynamic pressure on a pile foundation bridge pier through centrifuge shaking table tests. Wei et al [16,17] reviewed the ...

In previous shake table tests of TTLSs [11, 36, 37], the strain towers (Towers 1 and 4) were typically placed on the ground, assuming that they had a negligible effect on the seismic responses of the tangent towers. However, this paper recognizes the potential for coupled vibration between the strain towers and tangent towers, which may affect ...

To study the effect of circular-shaped valley topography on the subway station structure, a series of shaking table tests were designed for the valley topography with three depth-to-width ratios, i.e. 1/8 (V1-site), 1/4 (V2-site) and 1/3 (V3-site), and for comparisons, the subway station test without the valley site (V0-site) was also involved.

Regarding the influence of boundary effects between the lining structure and the box inner steel plate, the experimental campaign on the shaking table described by 53 was used as an example. The physical models were constructed in a 0.8 m × 1.78 m × 1.20 m container made from rigid, transparent Plexiglass sheets and installed on a 1.2 m × 1. ...

Shaking table test mainly focused on the acceleration response, displacement response and stress response of strengthening steels. ... The effect of steel grid on enhancing seismic performance of bridge pier with low reinforcement ratio was verified using shaking table test and numerical simulation. The following conclusions …

Large-scale shaking table tests were conducted to reveal the seismic instability mechanism of a sandy cutting slope under strong seismic action during the construction of the Sichuan‒Tibet railway. The input peak ground acceleration (PGA) was gradually increased to observe the spatiotemporal characteristics of the acceleration, …

To assess the possible boundary effect due to the use of a rigid soil container, a large-scale shaking table test was simulated in which the Dafalias model was applied with the model parameters calibrated by the PSO method for the HN31 sand in a medium-dense state (I Dmat = 0.50). The "Nine Four Node Quad u-p" element of …

Wu et al. (2020) used a shaking table test to study the control effect of a hybrid system with energy dissipative devices installed between an isolated structure and an adjacent structure and ...

Request PDF | On Sep 12, 2023, Putri S. Firdaus and others published Shaking table test to investigate the size effect on the seismic response of a low-cost friction pendulum system | Find, read ...

The model identification and the damping effects exerted by the rotational blades and the TMD device are intensively investigated in shaking table tests. Additionally, a feasible and practical numerical …

The shaking table has three degrees of freedom and earthquake motion could be input in two directions horizontally using the shaking table. The maximum output acceleration is 1.5 g while the output frequency of the acceleration ranges from 0.1 to 50 Hz. ... Effects of pulse-like earthquake motions on the dynamic response of a column in the ...

This paper presents the results of extensive shake table testing and finite element analyses of a small-scale, 1.5-meter-tall shaking table specimen that was designed and scaled to experimentally ...

From the aspect of load characteristics, researchers have analysed the effects of mass, damping ratio, and frequency, 3, 21 rigidity and flexibility, 22 the …

Notwithstanding scale effects, shaking table testing is performed to allow detailed simulation of the complex structural system of the station. The structure is modelled using granular concrete ...

Published: 12 September 2022. Effect assessment for the interaction between shaking table and eccentric load. Juke Wang, Aiwen Liu, Xiaojun Li, Zhenghua Zhou, Su Chen & Jinbao Ji. Scientific...

13 rows4 Conclusions. Based on the shaking table test of the underground two-hole loess cave dwelling, the numerical model of three-dimensional ULC was established by …

A series of 1g shaking table tests were performed to investigate the response of Tabriz subway tunnel, a circle-type tunnels embedded in dry sand, under sinusoidal excitation. Effects of various parameters, including peak ground acceleration and frequency content of input motion on the behavior of tunnel was investigated.

Scaled shaking table testing of higher‐mode effects on the seismic response of tall and slender structures - Zhong - 2023 - Earthquake Engineering & …

A series of shaking table tests was conducted to investigate the seismic response mechanism of tunnel linings and the influence of surrounding rocks using the Wenchuan earthquake (magnitude 8.0 ...

Tang ZY, Li ZB, Zhou DX, et al. (2010) The effects on the earthquake simulation caused by the characteristics of the specimen in the shaking table tests – part 2: the effects on the replaying precision of the recorded seismic waves and the real-time compensation. Journal of Beijing University of Technology 36(9): 1199–1205 (in Chinese).