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conducted for the two cases of the tests. By comparing the test results and analysis results, it was confirmed that nonlinear responses of both the ground and the stru ctures were reasonably reproduced by the analysis. Keywords Centrifuge shaking table Test, Underground Structure, Pile Foundation, FEM Analysis 1. INTORODUCTION
Next, a series of shaking table tests of desaturated ground with and without rigid foundation resting on it is discussed. In the tests, vacuum pressure was introduced to the models to avoid distorted scaling factor. Recommended. Cited By . Cited By Recommended Comparison of Current Japanese Design Specifications for Pile Foundations in ...
Dec 01, 2012 A model test on a full system with a superstructure, a nine-pile foundation and a sandy ground was conducted with the shaking table test device. The model pile is made from aluminum and the model ground is made from Toyoura Sand. The shaking table test device is 120 cm in width and 160 cm in length.
Jun 01, 2013 Highlights Physical and numerical modelling and analysis of the entire soilfoundation system. Soil D r control a key-point for shaking table tests on DSFI. Settlements by soil sliding failure for massive foundations are the most important. Soil inertia for SLU evaluation is well estimated with a new method. Experimental, numerical and analytical
Sun and Xie 13 designed a 170 model for a 1,400m-long cable-stayed bridge, performed a multi-point shaking table test on the model, and simulated the foundation effect with a laminar shear soil box, revealing how the horizontal seismic response of the bridge is affected by different structure systems.
Dec 01, 2020 In this study, large-scale shaking table tests were performed on flexible structures supported by pile foundations in liquefiable and non-liquefiable sites as well as a rigid foundation. The results of the shaking table experiments are presented including accelerations and displacements of the structures for different foundation conditions and ...
LARGE-SCALE SHAKING TABLE TESTS ON PILE FOUNDATIONS IN LIQUEFIED GROUND Susumu YASUDA1, Kenji ISHIHARA2, Iwao MORIMOTO3, Rolando ORENSE4, Masatoshi IKEDA5 And Shuji TAMURA6 SUMMARY Large-scale shaking table tests on real-size piles were conducted to demonstrate the behavior of pile foundations in liquefied ground.
In this paper the results of shaking table tests on shallow foundations, using dry Hostun RF sand, are presented. These tests were performed in a
Jan 01, 2020 The present study presents the results of a series of 1 g shaking table tests modeling a 4 story building foundation overlying liquefiable soil reinforced by two different types of geosynthetics as liquefaction mitigation countermeasures. Models of geosynthetics including geogrid and geocomposite were used as reinforcement elements.
Shaking table tests on shallow foundations J. Estaire amp V. Cu llar Laboratorio de Geotecnia, CEDEX, M de Fomento, Madrid, Spain Abstract In this paper the results of shaking table tests on shallow foundations, using dry Hostun RF sand, are presented. These tests were performed in
3. Shaking Table Test of the Rebar Isolation Pier. The shaking table text of earthquake simulation is performed in the National Level Experiment Education Model Center of Civil Engineering of Shandong Jianzhu University. 3.1. Model Design. The experimental model is divided into two parts upper frame and lower isolation layer.
Jul 14, 2017 A series of shaking table tests were designed and conducted to study the seismic performance of an inverted T-shape cantilever retaining wall with an anti-sliding tooth at the base using EPS composite soil as backfills. For comparison, the same wall model retaining Nanjing fine sand was simultaneously excited. The macro phenomena and seismic behaviors of two
Effects of inertial and kinematic forces on pile stresses are studied based on large shaking table tests on pile-structure models with a foundation embedded in dry and liquefiable sand deposits.
The four vertical actuators which control pitch, roll and vertical displacement, are bolted between the foundation and the Shaking Table. The test structure is attached to the table by post-tensioning rods, inserted through a 3-foot by 3-foot matrix of 2-58-inch conduits, penetrating the Shaking Table surface.
The tests were performed by the E-Defense shaking table. E-Defense is the name of a full-scale three-dimensional earthquake testing facility operated by the National Research Institute for Earth Science and Disaster Prevention Ohtani et al. 2003 Tabata and Kajiwara 2009. Figure 1 shows an illustration and photo of the E-Defense shaking table ...
structural seismic testing technology, shaking table model test has played a more and more important role in the research of SSI. However, this kind of test is rather difficult because of its complexity. This paper presents the shaking table model tests with the dynamic SSI system in detail, including similitude design of test
Nov 11, 2019 In this study, a full-model shaking table test of a super-long-span cable-stayed bridge was conducted. The 170-scale model, which is of a preliminary-design cable-stayed bridge with a central span of 1,400 m, includes both superstructures and pile group foundations embedded in artificial soil contained in laminar shear boxes.
The superstructure and foundation is made of micro-concrete and fine steel bar. Shanghai soft soil is used as model soil. Properties of all materials are measured by material tests before the shaking table test. Fig.3 is typical Gd G0 d and D d curves of Shanghai soft soil in this test
Shaking Table Test and Effective Stress Analysis of Bridge Pile Foundation with Seismic Isolation Rubber in Liquefied Ground. In seismic design, the pile bearing capacity to the inertial force of a superstructure is checked in general, but the soil-pile-structure interaction is not extensively investigated.
Shaking table test on reinforcement effect of partial ground improvement for group-pile foundation and its numerical simulation Xiaohua Baoa, Yukihiro Morikawaa, Yoshimitsu Kondob, Keisuke Nakamuraa, Feng Zhangc,n aPostgraduate School, Nagoya Institute of Technology, Showa-ku, Gokiso-cho, Nagoya 466-8555, Japan bDepartment of Geotechnical Engineering,
Shaking table tests on a dynamic interaction system of hard layered soil, pile foundation and frame structure were carried out. The earthquake damage of the superstructure and foundation was reproduced. Based on these tests, several key issues about the seismic response of the dynamic soil-structure interaction SSI system were studied. The natural frequency of the
Large-Scale Shake Table Test on a Shallow Foundation in Liquefied Soils Introduction In this study, the effects of input ground motion as well as the level of ground water table on the liquefaction-induced settlement were evaluated. Previously, Bray and Dashti 2014 conducted Centrifuge tests to study the amount and
To study the dynamic soil-foundation-structure interaction, centrifuge shaking table tests on a composite caisson-piles foundation CCPF were carried out. A series of 150 scaled models were designed to simulate a 2 2 pile group connected with caisson.
DOI 10.1016j.soildyn.2019.105959 Corpus ID 210280331. Performance evaluation of a MICP-treated calcareous sandy foundation using shake table tests articleZhang2020PerformanceEO, titlePerformance evaluation of a MICP-treated calcareous sandy foundation using shake table tests, authorX. Zhang and Yumin Chen and H. Liu
a shaking table test of largea -scale model with liquefiable sand deposit was performed at the E-Defense shaking table testing facility. The model in a rigid container 16 meters long, 4 meters wide and 5 meters high had a pile-foundation structure behind caissontype - quay wall in
In this study, qualification of three possible mitigations against this problem is examined by conducting shaking table tests 1 installation of sheet-pile walls surrounding the buildings foundation. 2 Lowering ground water level and 3 installation of diagonal drainage pipes under the foundation.
This paper documents two shaking table test studies that characterized the key features of seismic soil-pile group-structure interaction systems involving the low-cap pile group and elevated-cap pile group in liquefiable ground. The shaking table tests were performed using the laminar shear box with depth of 2 m and plan dimensions of 2 m and 1 ...
Shaking table is important experimental equipment to carry out antiseismic research. Research, conclusion, comparison, and analysis concerning the developmental history, constructional situation, performance index, control algorithm, and experimental technique of the internal shaking table were reviewed and compared. Such functional parameters as internal shaking tableampx2019s table
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