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Acceleration Of Shaking Table In Half Scale

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  • Experimental Design For A Halfscale Shaking Table Test Of

    Experimental Design For A Halfscale Shaking Table Test Of

    This paper presents an experimental study on the seismic performance of a half-scale geosynthetic-reinforced soil (GRS) bridge abutment. Experimental design of the scale model followed established similitude relationships for shaking table testing in a 1 g gravitational field.

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  • Design Similitude Scaling And Simulation Of A Shake

    Design Similitude Scaling And Simulation Of A Shake

    Shake Table Training Workshop 2015 – San Diego, CA NHERI @ UCSD Workshop, 14-15 December, 2015 99 Design of Test Structure Direction of shake-table motion The shake-table test specimen represents one of the four wall assemblies in full-scale. The roof slab of the specimen has larger thickness to represent the actual tributary

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  • Shaking Table Tests On 13scale Model Of Wooden

    Shaking Table Tests On 13scale Model Of Wooden

    Aug 08, 2018 Shaking Table Tests on 1 / 3-Scale Model of Wooden Horizontal Hybrid Structure ... the acceleration amplifications of the three specimens were higher than normal due to the conservative design and potential bullwhip effect. Recommended. Cited By . Cited By ... Precast Diaphragm Response in Half-Scale Shake Table Test.

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  • Using Ae Technique To Monitor The Fracture Behavior In

    Using Ae Technique To Monitor The Fracture Behavior In

    amplified vibration also dragged the table with higher acceleration. The measurement indicated that the max acceleration on shaking table was +0.717/-0.724g in X-direction, which was higher than the original output. The max X-acceleration of the mockup was …

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  • Identi Cation Of Acceleration Harmonics For A Hydraulic

    Identi Cation Of Acceleration Harmonics For A Hydraulic

    motion for hydraulic shaking tables [24]. The three variables of TVC refer to displacement, velocity, and acceleration of the electro-hydraulic shaking table. The feedback velocity is synthesized from the feedback displacement and acceleration. The TVC scheme can Figure 1. The hydraulic shaking table system. Figure 2. The block diagram of TVC ...

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  • Earthquake Shaking Intensity

    Earthquake Shaking Intensity

    Shaking Intensity. Eventually, shaking intensity scales were developed to standardize the measurements and ease comparison of different earthquakes. Shaking intensity varied from barely perceptible to completely destructive. Since 1933, in the United States we have used what's called the Modified-Mercalli Intensity scale, a twelve-stage scale, numbered from I to XII.

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  • A Numerical Investigation On Scaling Rolling Friction

    A Numerical Investigation On Scaling Rolling Friction

    The unscaled gravity acceleration will cause an incorrect gravity force in the shaking table test, which will influence the seismic responses of scaled models. Therefore, both scaled and unscaled gravity accelerations are considered in this paper, and their scaling factors are listed in the rows “gravity acceleration 1” and “gravity ...

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  • Shaking Table Testing Of An Existing Masonry Building

    Shaking Table Testing Of An Existing Masonry Building

    Feb 01, 2014 Read Shaking table testing of an existing masonry building: assessment and improvement of the seismic performance, Earthquake Engineering and Structural Dynamics on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

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  • Shaking Table Tests Of A Rc Frame Structure Equipped

    Shaking Table Tests Of A Rc Frame Structure Equipped

    4. SHAKING TABLE TESTS 4.1. Test set-up The test model was clamped to the 3mx3m shaking table test at University of Granada as shown in Figure 3. The shaking table was calibrated by moving it with the specimen mounted on it under acceleration control as follows. First a flat-shape random signal of root mean square (RMS) amplitude

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  • A Shaking Table Test Design On Seismic Strengthened

    A Shaking Table Test Design On Seismic Strengthened

    structure, Shaking table test. Abstract. The 1:4 scale model for shaking table test was designed as a typical three-storey-office building strengthened with external steel reinforcement mesh mortar layer. The process of modeling was provided, including the relationship of model and proto structure, and the design principle of model components.

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  • Largescale Experimental And Numerical Study Of Blast

    Largescale Experimental And Numerical Study Of Blast

    Despite growing demands for structures in water transportation tunnels, underground installations, subsurface dams, and subterranean channels, there is limited field knowledge about the dynamic behavior of these structures in the face of near-fault earthquakes or impulse excitations. This study conducted a large-scale test on underground tunnel excited by two close-in subsurface explosions.

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  • Shaking Table Tests Of A Halfscale 2storey Urm Building

    Shaking Table Tests Of A Halfscale 2storey Urm Building

    Oct 15, 2019 In this study, a half-scale two-storey masonry building was designed to study the dynamic response and seismic behavior of buildings with URM walls after retrofitting with HDC overlay. 17 shaking table tests, divided into three phases, were conducted on the model building.

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  • Shaking Table Test On Seismic Response Of Reducedscale

    Shaking Table Test On Seismic Response Of Reducedscale

    vertical response acceleration, av. () θ ( ) θ ( )θ = + a u y i i g cos − + v sin ≈ + i g − +g a u y g a v (1) where u i is relative horizontal acceleration, y g is base (shaking table) horizontal acceleration. av is calculated by the measured acceleration parallel to the lowest unit’s VREs considering its inclination.

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  • Study On Seismic Stability And Performance Of Reinforced

    Study On Seismic Stability And Performance Of Reinforced

    Feb 01, 2020 The acceleration amplification factor is defined as the ratio of peak inward response acceleration to the peak inward acceleration on the shaking table (Guler and Selek, 2014). Results in Fig. 7a indicate that acceleration amplification factors in the reinforced zone increase nonlinearly over the height of the backfill. The acceleration amplification is intensified over the top half of the backfill …

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  • Performance Of Unreinforced Masonry Walls

    Performance Of Unreinforced Masonry Walls

    a half scale masonry room was constructed having dimension 1.83m x 1.52m (6’x5’) (length x width), height 1.52m (5’) and wall thickness 63mm (2.5”). Then the model was tested on an earthquake simulator. Dynamic testing was done using Imperial Valley Earthquake time history. The test shows that most of the cracks

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  • Shaking Table Model Test And Seismic Performance Analysis

    Shaking Table Model Test And Seismic Performance Analysis

    According to the dynamic characteristics and site condition of the prototype structure, three seismic runs are chosen for simulating the shaking table test input wave: (1) El Centro wave, with a peak acceleration of 3.41 m/s 2; (2) Taft wave, with a peak acceleration of 1.53 m/s 2; and (3) artificial seismic wave (USER1), supplied by the construction designers, with a peak acceleration of 0.18 m/s 2.

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  • Shaking Table Test Of Fibre Reinforced Masonry Walls Under

    Shaking Table Test Of Fibre Reinforced Masonry Walls Under

    Sep 01, 2016 This shaking table consists of four main parts including power pack, deck, hydraulic jack and control system. It can simulate harmonic waves up to 20 Hz frequency and 1.5 g acceleration and also earthquake motions in the acceptable range of frequency.

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  • Outofplane Shaking Table Tests On Seismic Response Of Rc

    Outofplane Shaking Table Tests On Seismic Response Of Rc

    The shaking table can simulate earthquake wave up to 50 Hz, with 1.5 g acceleration in x direction and 1.0 g acceleration in y and z directions. The table with 4.1 m   4.1 m dimension is characterized by three degrees of freedom, as shown in Figure 6.

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  • Scaling Laws For Shaking Table Testing Of Reinforced

    Scaling Laws For Shaking Table Testing Of Reinforced

    Jul 01, 2020 Moreover, modelling the crack patterns of the tunnel lining through reduced-scale shaking table testing necessitates ensuring similarity between model and prototype in the post-cracking regime, and hence, the behaviour of the model concrete and of the steel reinforcement comprises another important scale-modelling criterion.

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  • Correlation Between Seismic Ground Motions

    Correlation Between Seismic Ground Motions

    SMART-2013 (CEA, 2013) is a -scale model designed in accordance with current French nuclear regulations and tested in 2013 on the shaking table at the French Atomic Energy Agency (this structure is also object of an international blind contest). The mock-up (Fig. 1) is a trapezoidal, three-

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  • Shaking Table Test To Assess Seismic Response Differences

    Shaking Table Test To Assess Seismic Response Differences

    Dec 16, 2017 Model test configuration. In the present study, two large-scale shaking table tests were carried out to investigate the seismic response difference between steeply bedding and toppling rock slopes with an inclining angle of 65 , the profiles of which are shown in Fig. 2.The boxes that contained the geotechnical models have a length of 300 cm, a width of 120 cm, and a height of 205 cm.

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  • Shaking Table Tests Of A Halfscale 2storey Urm Building

    Shaking Table Tests Of A Halfscale 2storey Urm Building

    Oct 15, 2019 In this study, a half-scale two-storey masonry building was designed to study the dynamic response and seismic behavior of buildings with URM walls after retrofitting with HDC overlay. 17 shaking table tests, divided into three phases, were conducted on the model building.

    Oline Chat
  • Shaking Table Test On Seismic Response Of Reducedscale

    Shaking Table Test On Seismic Response Of Reducedscale

    excitation used in the shaking table test is 1940 El Centro NS component. The time scale is not changed but the input amplitude (I.A.) is selected at a wide range of intensities. Figure 2 shows pseudo velocity spectrum based on the acceleration measured on the shaking table. The measured structural response quantities were all horizontal floor

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  • Study On Seismic Stability And Performance Of Reinforced

    Study On Seismic Stability And Performance Of Reinforced

    Feb 01, 2020 The acceleration amplification factor is defined as the ratio of peak inward response acceleration to the peak inward acceleration on the shaking table (Guler and Selek, 2014). Results in Fig. 7a indicate that acceleration amplification factors in the reinforced zone increase nonlinearly over the height of the backfill. The acceleration amplification is intensified over the top half of the backfill …

    Oline Chat
  • Performance Of Unreinforced Masonry Walls

    Performance Of Unreinforced Masonry Walls

    a half scale masonry room was constructed having dimension 1.83m x 1.52m (6’x5’) (length x width), height 1.52m (5’) and wall thickness 63mm (2.5”). Then the model was tested on an earthquake simulator. Dynamic testing was done using Imperial Valley Earthquake time history. The test shows that most of the cracks

    Oline Chat
  • Shaking Table Model Test And Seismic Performance Analysis

    Shaking Table Model Test And Seismic Performance Analysis

    According to the dynamic characteristics and site condition of the prototype structure, three seismic runs are chosen for simulating the shaking table test input wave: (1) El Centro wave, with a peak acceleration of 3.41 m/s 2; (2) Taft wave, with a peak acceleration of 1.53 m/s 2; and (3) artificial seismic wave (USER1), supplied by the construction designers, with a peak acceleration of 0.18 m/s 2.

    Oline Chat
  • Shaking Table Test Of Fibre Reinforced Masonry Walls Under

    Shaking Table Test Of Fibre Reinforced Masonry Walls Under

    Sep 01, 2016 This shaking table consists of four main parts including power pack, deck, hydraulic jack and control system. It can simulate harmonic waves up to 20 Hz frequency and 1.5 g acceleration and also earthquake motions in the acceptable range of frequency.

    Oline Chat
  • Outofplane Shaking Table Tests On Seismic Response Of Rc

    Outofplane Shaking Table Tests On Seismic Response Of Rc

    The shaking table can simulate earthquake wave up to 50 Hz, with 1.5 g acceleration in x direction and 1.0 g acceleration in y and z directions. The table with 4.1 m   4.1 m dimension is characterized by three degrees of freedom, as shown in Figure 6.

    Oline Chat
  • Scaling Laws For Shaking Table Testing Of Reinforced

    Scaling Laws For Shaking Table Testing Of Reinforced

    Jul 01, 2020 Moreover, modelling the crack patterns of the tunnel lining through reduced-scale shaking table testing necessitates ensuring similarity between model and prototype in the post-cracking regime, and hence, the behaviour of the model concrete and of the steel reinforcement comprises another important scale-modelling criterion.

    Oline Chat
  • Shaking Table Test To Assess Seismic Response Differences

    Shaking Table Test To Assess Seismic Response Differences

    Dec 16, 2017 Model test configuration. In the present study, two large-scale shaking table tests were carried out to investigate the seismic response difference between steeply bedding and toppling rock slopes with an inclining angle of 65 , the profiles of which are shown in Fig. 2.The boxes that contained the geotechnical models have a length of 300 cm, a width of 120 cm, and a height of 205 cm.

    Oline Chat
  • Experimental Design For A Halfscale Shaking Table Test Of

    Experimental Design For A Halfscale Shaking Table Test Of

    This paper presents an experimental study on the seismic performance of a half-scale geosynthetic-reinforced soil (GRS) bridge abutment. Experimental design of the scale model followed established similitude relationships for shaking table testing in a 1 g gravitational field.

    Oline Chat
  • Correlation Between Seismic Ground Motions

    Correlation Between Seismic Ground Motions

    SMART-2013 (CEA, 2013) is a -scale model designed in accordance with current French nuclear regulations and tested in 2013 on the shaking table at the French Atomic Energy Agency (this structure is also object of an international blind contest). The mock-up (Fig. 1) is a trapezoidal, three-

    Oline Chat
  • Shaking Table Test On Seismic Response Of Reducedscale

    Shaking Table Test On Seismic Response Of Reducedscale

    vertical response acceleration, av. () θ ( ) θ ( )θ = + a u y i i g cos − + v sin ≈ + i g − +g a u y g a v (1) where u i is relative horizontal acceleration, y g is base (shaking table) horizontal acceleration. av is calculated by the measured acceleration parallel to the lowest unit’s VREs considering its inclination.

    Oline Chat
  • Performance Of Unreinforced Masonry Walls

    Performance Of Unreinforced Masonry Walls

    a half scale masonry room was constructed having dimension 1.83m x 1.52m (6’x5’) (length x width), height 1.52m (5’) and wall thickness 63mm (2.5”). Then the model was tested on an earthquake simulator. Dynamic testing was done using Imperial Valley Earthquake time history. The test shows that most of the cracks

    Oline Chat
  • Shaking Table Tests On Seismic Response Of Steel Braced

    Shaking Table Tests On Seismic Response Of Steel Braced

    This paper reports on the use of shaking table tests and numerical analyses to evaluate and compare the seismic response of base‐plate‐yielding rocking systems with columns allowed to uplift with that of fixed‐base systems. The study is performed using half‐scale three‐storey, 1 2 bay braced steel frames with a total height of 5.3 m.

    Oline Chat
  • Earthquake Shaking Intensity

    Earthquake Shaking Intensity

    Shaking Intensity. Eventually, shaking intensity scales were developed to standardize the measurements and ease comparison of different earthquakes. Shaking intensity varied from barely perceptible to completely destructive. Since 1933, in the United States we have used what's called the Modified-Mercalli Intensity scale, a twelve-stage scale, numbered from I to XII.

    Oline Chat
  • Largescale Shaking Table Test Study Of Acceleration

    Largescale Shaking Table Test Study Of Acceleration

    Large-scale shaking table test study of acceleration dynamic responses characteristics of slopes Qiang Xu, Hanxiang Liu, Wei Zou, Xuanmei Fan, and Jianjun Chen State Key Laboratory of Geohazard Prevention and Geoenvironment Protection, Chengdu University of Technology, China ([email protected])

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  • Shaking Table Tests On A Deepwater Highpier Whole Bridge

    Shaking Table Tests On A Deepwater Highpier Whole Bridge

    Oct 01, 2020 One acceleration sensor placed on the shaking table surface to record the original acceleration of the shaking table, the hydrodynamic pressure sensors are principally distributed underwater circumstances (Fig. 4.). The whole test process is to record with a digital video camera, and images are captured with a digital camera at any time.

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  • A Numerical Investigation On Scaling Rolling Friction

    A Numerical Investigation On Scaling Rolling Friction

    The unscaled gravity acceleration will cause an incorrect gravity force in the shaking table test, which will influence the seismic responses of scaled models. Therefore, both scaled and unscaled gravity accelerations are considered in this paper, and their scaling factors are listed in the rows “gravity acceleration 1” and “gravity ...

    Oline Chat
  • Pdf Experimental Study On Acceleration Response Laws Of

    Pdf Experimental Study On Acceleration Response Laws Of

    A physical shaking table test model of the shallow-bias tunnel with a small clear distance whose scale was 1:10 was performed to study the type, direction and acceleration peak of the seismic wave ...

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  • Transfer Function Analysis Of Earthquake Simulation

    Transfer Function Analysis Of Earthquake Simulation

    A large-scale shaking table model test of slope with the scale of 1:10 was introduced. The model slope was built by soil with a height of 2.15 m, length of 3.5 m, thickness of 1.5 m, and a slope ...

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  • Seismic Fragility Assessment Of An Isolated Multipylon

    Seismic Fragility Assessment Of An Isolated Multipylon

    The maximum payload of each table is 700 KN with a frequency ranging between 0.1 and 50 Hz, acceleration peak equal to 1.5 g, velocity peak equal to 1 m/s, and total displacement equal to 500 mm. All four shake tables are utilized for the present experiment. 2.1.

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  • Acceleration Response Of A Geosynthetic Reinforced Soil

    Acceleration Response Of A Geosynthetic Reinforced Soil

    This paper presents results from dynamic testing of a half-scale geosynthetic reinforced soil (GRS) bridge abutment using a shaking table, with the goal of understanding the acceleration response of the backfill soil, bridge seat, and bridge beam under dynamic loading.

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  • Study On Vibration Induced By The Shaking

    Study On Vibration Induced By The Shaking

    borne micro tremor is tested firstly and the vibration level on the foundation is about the half of the vibration level outside the foundation. As the shaking tables are still in the debugging stage, only one condition as a small table excited by horizontal acceleration of peak value 1.2g can be tested in site.

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  • Experimental Design For A Halfscale Shaking Table Test Of

    Experimental Design For A Halfscale Shaking Table Test Of

    This paper presents an experimental study on the seismic performance of a half-scale geosynthetic-reinforced soil (GRS) bridge abutment. Experimental design of the scale model followed established similitude relationships for shaking table testing in a 1 g gravitational field.

    Oline Chat
  • Using Ae Technique To Monitor The Fracture Behavior In

    Using Ae Technique To Monitor The Fracture Behavior In

    amplified vibration also dragged the table with higher acceleration. The measurement indicated that the max acceleration on shaking table was +0.717/-0.724g in X-direction, which was higher than the original output. The max X-acceleration of the mockup was …

    Oline Chat
  • Shaking Table Tests On 13scale Model Of Wooden

    Shaking Table Tests On 13scale Model Of Wooden

    Aug 08, 2018 Shaking Table Tests on 1 / 3-Scale Model of Wooden Horizontal Hybrid Structure ... the acceleration amplifications of the three specimens were higher than normal due to the conservative design and potential bullwhip effect. Recommended. Cited By . Cited By ... Precast Diaphragm Response in Half-Scale Shake Table Test.

    Oline Chat
  • Acceleration Response Of A Geosynthetic Reinforced Soil

    Acceleration Response Of A Geosynthetic Reinforced Soil

    This paper presents results from dynamic testing of a half-scale geosynthetic reinforced soil (GRS) bridge abutment using a shaking table, with the goal of understanding the acceleration response of the backfill soil, bridge seat, and bridge beam under dynamic loading.

    Oline Chat
  • Shaking Table Tests On Seismic Response Of Steel Braced

    Shaking Table Tests On Seismic Response Of Steel Braced

    This paper reports on the use of shaking table tests and numerical analyses to evaluate and compare the seismic response of base‐plate‐yielding rocking systems with columns allowed to uplift with that of fixed‐base systems. The study is performed using half‐scale three‐storey, 1 2 bay braced steel frames with a total height of 5.3 m.

    Oline Chat
  • Earthquake Shaking Intensity

    Earthquake Shaking Intensity

    Shaking Intensity. Eventually, shaking intensity scales were developed to standardize the measurements and ease comparison of different earthquakes. Shaking intensity varied from barely perceptible to completely destructive. Since 1933, in the United States we have used what's called the Modified-Mercalli Intensity scale, a twelve-stage scale, numbered from I to XII.

    Oline Chat
  • Dynamic Response And Failure Mechanisms Of A

    Dynamic Response And Failure Mechanisms Of A

    Large-scale shaking table tests were performed at NIED (National Research Institute for Earth Science and Disaster Prevention) in Tsukuba, Japan. The size of the shaking table is 15m by 15m and its capacity is 500 tons. A large-scale laminar shear box with …

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  • Inplane Strengthening Effect Of Prefabricated Concrete

    Inplane Strengthening Effect Of Prefabricated Concrete

    The improvement effect of a new strengthening strategy on dynamic action of masonry structure, by installing prefabricated concrete walls on the outer facades, is validated by shaking table test presented in this paper. We carried out dynamic tests of two geometrically identical five-story reduced scaled models, including an unstrengthened and a strengthened masonry model.

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