This paper presents a comprehensive evaluation on the applicability of similitude laws for scaled model design in underwater shaking table (UST) model tests. Scaled models of a sea-crossing bridge pier were first designed in this study, considering five similitude laws and adopting different values of key scale factors for each similitude law.
I wish to build a LEGO shaking table that simulates the motion of an earthquake. The design should consider factors like the ability to adjust parameters for varied shaking intensities. While I don't have extensive experience in such complex LEGO models, some YouTube videos have been very inspiring.
Wood et al. [16] emphasized the importance of scaling laws in physical modeling and discussed their application to shaking table modelling. As the studies on shaking table are 1-g model tests ...
The Timber3D modeling approach included analysis and parameterization of screw-slip data using the Evolutionary Parameter Hysteretic Model, formulation of two-dimensional wall component models, and nonlinear time history analysis of a three-dimensional model of the shake table specimen. The model was shown to reasonably predict the …
Fully Non-Linear Numerical Simulation of a Shaking Table Test of Dynamic Soil-Pile-Structure Interactions in Soft Clay Using ABAQUS Geo-Congress 2019 10.1061/9780784482100.026
13 rowsA shaking table test is a method used to simulate seismic performance by subjecting structures, such as curtain walls, to scaled ground motions on a shaking table to evaluate their …
Shaking table scale-model (Units: mm). 2.4. Sensor placements. The sensor configuration is depicted in Fig. 2, showcasing the placement of accelerometers, velocity sensors and strain gauges along the vertical axis of the tower. The accelerometers are piezoelectric sensors, while the velocity sensors are horizontally oriented 941-B sensors.
The method divides the shaking table and flexible connection characteristics into four important sub-models, including the mechanical model, the hydraulic drive model, the …
Shaking Table Model Tests on Pile Groups behind Quay Walls Subjected to Lateral Spreading Motamed, R.; Towhata, I. Journal of Geotechnical and Geoenvironmental Engineering 136(3): 477-489 2010. ISSN/ISBN: 1090-0241. DOI: 10.1061/(asce)gt.1943-5606.0000115 Accession: …
In recent years, earthquakes occur frequently in China. Slope instability induced by strong earthquakes are the most common secondary disasters, which makes the number of earthquake landslides in China ranks first in the world. For the dynamic response of rock slopes under strong earthquakes, this paper adopts iron powder, barite powder, quartz sand, gypsum and water as …
Fig. 14 shows the amplitude-frequency response curves of the test models, which are obtained from the transfer function of the recorded acceleration response of different measurement points on the models divided by that of the shaking table from the white noise tests [23]. The natural frequencies of Model A and Model Ba are close to each other ...
Due to limitations imposed by the size and load-bearing capacity of the shaking table, scaled models are typically used for experiments. In this study, a length scale ratio (S L) of 1/30 was adopted, and the specific dimensions of the model station are illustrated in Fig. 2. In the shaking table tests, the subway station model structure was ...
In this study, shaking table tests of a soil-symmetrical station and a soil-asymmetrical station were designed and conducted. A numerical model of the soil–structure interaction system was established, and the feasibility of the simulation method was verified. Then, the seismic responses of two kinds of stations were discussed and analysed.
This paper presents experimental results of 1-g shaking table model tests on a 3 × 3 pile group behind a sheet-pile quay wall. The main purpose was to understand the mechanisms of liquefaction-induced large ground deformation and the behavior of the pile group subjected to the lateral soil displacement.
The shaking table is an old and reliable technique widely used in the mining and recycling industry. The shaking table, also known as gravity separation, has different relative movements against gravitational forces, depending on factors such as weight, particle size, and shape by taking advantage of the density differences between mineral particles.
Electro-hydraulic shaking table is an essential experimental apparatus to evaluate structural performance under actual vibration condition. The control-structure …
Shaking Table Test with Finn Model: Simulation of the Liquefaction of a Layer. Note. To view this project in FLAC3D, ... In this simple example, a "shaking table" is modeled with FLAC3D —this consists of a box of sand that is given a periodic motion at its base. The motion of the sides follows that of the base, except that the amplitude ...
Integrating the shaking table conditions with the model material, a comprehensive gravity dam shaking table model test was devised to capture the dynamic response of the model under various dynamic loads. Multiple operational conditions were carefully selected for in-depth analysis. Leveraging the dynamic strain responses, the …
Many shaking table tests have been conducted to study the seismic performance of the U.S.-style SLSC with boundary ... of peak acceleration responses between the numerical simulation results and experimental results is listed in Table 5, Table 6. The proposed modeling method is not applicable when severe damage (many grid ends unseat from wall ...
Physical model test is an effective way to unveil the dynamic response of a slope under seismic condition. The similarity design is the key of physical model test. An isolated …
Shaking table model test platform system for the bridgetunnel lapping: (a) shaking table, (b) operating deck, (c) test data acquisition instrument, and (d) model. In recent years, the shaking table has also been applied in the field of cultural relic protection. Zhou et al.
˝e mechanical model is the shaking table moving mechanism part and the connection property. e model of the shaking table considering the connection properties is shown in Fig. 1b–d. e detailed ...
In order to study the seismic behavior of a 53-storey supertall building with a high-level transfer storey, Lu et al. 13 conducted shaking table tests on a 1/30-scale model of a …
Physical model experiments were performed on a 1 g shaking table with the principal goals of: (1) investigating the mechanisms of seismically induced permanent …
The physical model on shaking table: (a) front view, (b) top view. Additionally, the study incorporated four pore water pressure (PWP) sensors embedded within the soil layers to closely monitor excess pore water pressure during the shaking experiments. Specifically, PWP1 and PWP2 sensors were strategically situated within the same row as the ...
Based on the shaking table test of the underground two-hole loess cave dwelling, the numerical model of three-dimensional ULC was established by using ABAQUS software. The numerical simulation of the numerical model was carried out, and the comparative analyzed between the numerical calculation results and the shaking table test results.
In order to confirm the validity of the ideal elasto-plastic resistance model applied to the ballast track under seismic loading, this paper studies the seismic response of continuous welded ballast track on bridges through the shaking table test and presents a process of updating the model based on the test results. The results indicate that the track constraint can …
A series of 1-g shaking table tests using variable-amplitude harmonic excitations was performed on 0.8-m-high MSE/soil nail hybrid retaining (MSE/SN) wall models to investigate the seismic behavior of this innovative retaining earth structure. ... The main conclusions regarding the physical model 1-g shaking table tests can be summarized as ...
The containment vessel model was constructed on the shaking table at Dalian University of Technology (DUT). The dimensions of the shaking table were 3 m wide and 4 m long. The shaking table allowed to reproduce two translational components of motion: horizontal and vertical, plus one rotational component, namely pitch in the vertical plane.
1. Laboratory small shaker table, deck size 1100*500*430mm 2. Standard shaker table, deck size 2100*1050*850mm 3. 6S small shaker table, deck size 4500*1850*1560mm. According to different feed particle size, 6S shaker is separately suited for coarse sand, fine sand, slime. There are 5 different grooves available: 46/60/88/120/138.
The reduced-scale models were constructed for the shaking table tests in this study. The reduced-scale GESC composite foundation models were designed based on the similitude relationships proposed by Iai (1989), which have been adopted by many previous studies to investigate the dynamic response of geosynthetic reinforced soil ...