Shaking Table Tests of Columns

<h2>Shaking Table Tests of Columns</h2> <table> <tbody> <tr> <td width="40%"> <table> <tbody> <tr> <td><img alt="" src="/resources/14164/download/Elwood_2002-.png" style="width: 420px" /></td> </tr> <tr> <td><img 400px="" alt="" src="/resources/14164/download/Ghannoum_2006-_Frame_Collapse_State-_Dynamic_Test_3.png" /></td> </tr> <tr> </tr> <tr> <td><img alt="" src="/resources/14164/download/NCREE_2007-_Test_1-_Run_4_and_Run_6.png" style="height: 241px; width: 400px" /></td> </tr> </tbody> </table> </td> <td width="60%"> <p>Shaking Table Tests of Columns was compiled by Yaqiong Li and Dr. Kenneth J. Elwood from the University of Auckland . It includes 86 dynamic tests of reinforced concrete frames from 7 test sets.</p> <p>The database contains reports, parameters, and files including data, media, drawing and diagrams from tests. The parameter set includes five categories:</p> <ul> <li>Column Information</li> <li>Material Property</li> <li>Specimen Geometry</li> <li>Reinforcement Layout</li> <li>Experimental Results</li> </ul> <p>Each row in this dataset contains the following information: </p> <ol> <li>Title: Test Name (assigned by the compiler)- Title of the project, group of experiments, simulations or surveys (assigned by the source(s))</li> <li>Experiment or Case ID: Column ID (assigned by the compiler)- Test Series</li> <li>Keywords: Words describing the dataset</li> <li>Report(s): Related documentation</li> <li>Parameters: Variables and parameters chosen by the researcher, compiler, professional or scientific organization to describe the data</li> <li>Data: Data files generated through project.</li> <li>Photos, Videos, etc.: Media files including photos, videos, audio generated through project</li> <li>Drawings/Diagrams: Drawing and diagrams helpful to interpret the data</li> <li>Source: Names of the people who generated the data</li> <li>Compiled by: Names of the people who compiled the data</li> <li>Compiled on: Date when the dataset was compiled</li> </ol> <p>Parameter definitions and notations used in the database are as follows and are also available under supporting documentation:</p> </td> </tr> </tbody> </table> <p> </p> <table border="0" cellpadding="0" cellspacing="0" style="width: 100%"> <tbody> <tr> <td> </td> <td><strong>Notation</strong></td> <td><strong>Description</strong></td> <td><strong>Options</strong></td> <td><strong>  Comments/Formula  </strong></td> </tr> <tr> <td rowspan="9"><strong>Column<br /> Information</strong></td> <td>Specimen Name</td> <td>Name of specimen</td> <td>In accordance with the test papers</td> <td> </td> </tr> <tr> <td>Column Name</td> <td>Name of column</td> <td> </td> <td> </td> </tr> <tr> <td>Test Name</td> <td>Name of test</td> <td> </td> <td> </td> </tr> <tr> <td>Column Type</td> <td>The shape of the cross-section of column</td> <td>R: Rectangular<br /> S: Spiral</td> <td> </td> </tr> <tr> <td>Scale</td> <td>The scale of the specimen</td> <td> </td> <td> </td> </tr> <tr> <td>Lap Slices</td> <td>Whether the longitudinal reinforcement has lap slices</td> <td>Y: There are lap slices in the column<br /> N: No lap slices</td> <td> </td> </tr> <tr> <td>Concrete Cast Direction</td> <td>The direction in which the column is casted</td> <td>V: Vertically<br /> H: Horizontally</td> <td> </td> </tr> <tr> <td>Reference</td> <td> </td> <td> </td> <td> </td> </tr> <tr> <td>Comments</td> <td>General description or comments about the tests</td> <td> </td> <td> </td> </tr> <tr> <td rowspan="10"><strong>Material<br /> Property</strong></td> <td>fc'</td> <td>specified concrete compression strength</td> <td> </td> <td>Concrete compression strength on test day</td> </tr> <tr> <td>f<sub>yl</sub> Corner</td> <td>Yield stress of corner longitudinal bars</td> <td> </td> <td> </td> </tr> <tr> <td>f<sub>su</sub> Corner</td> <td>Ultimate stress of corner longitudinal bars</td> <td> </td> <td> </td> </tr> <tr> <td>e<sub>su</sub> Corner</td> <td>Ultimate strain of corner longitudinal bars</td> <td> </td> <td> </td> </tr> <tr> <td>f<sub>yl</sub> Interm</td> <td>Yield stress of intermediate longitudinal bars</td> <td> </td> <td> </td> </tr> <tr> <td>f<sub>su</sub> Interm</td> <td>Ultimate stress of intermediate longitudinal bars</td> <td> </td> <td> </td> </tr> <tr> <td>e<sub>su</sub> Interm</td> <td>Ultimate strain of intermediate longitudinal bars</td> <td> </td> <td> </td> </tr> <tr> <td>f<sub>yt</sub></td> <td>Yield stress of transverse reinforcement</td> <td> </td> <td> </td> </tr> <tr> <td>f<sub>su-trans </sub></td> <td>Ultimate stress of transverse reinforcement</td> <td> </td> <td> </td> </tr> <tr> <td>e<sub>su-trans </sub></td> <td>Ultimate strain of transverse reinforcement</td> <td> </td> <td> </td> </tr> <tr> <td rowspan="7"><strong>Specimen<br /> Geometry</strong></td> <td>D</td> <td>Column cross section depth</td> <td> </td> <td> </td> </tr> <tr> <td>b</td> <td>Column cross section width</td> <td> </td> <td> </td> </tr> <tr> <td>A<sub>g</sub></td> <td>Area of gross cross section</td> <td> </td> <td> </td> </tr> <tr> <td>I<sub>g</sub></td> <td>Area moments of inertia</td> <td> </td> <td> </td> </tr> <tr> <td>L</td> <td>The clear height of the column</td> <td> </td> <td> </td> </tr> <tr> <td>a</td> <td>The shear span of the column</td> <td> </td> <td>For column with fixed ends,<br /> a=L/2</td> </tr> <tr> <td>a/D</td> <td>The aspect ratio of the column</td> <td> </td> <td>a/D</td> </tr> <tr> <td rowspan="8"><strong>Longitudinal<br /> Reinforcement</strong></td> <td>Type of Bars</td> <td>The shape of the bars</td> <td>D: Deformed bars<br /> S: Smooth bars</td> <td> </td> </tr> <tr> <td>Total # Bars</td> <td>Number of longitudinal reinforcement bars<br /> in the cross section</td> <td> </td> <td> </td> </tr> <tr> <td>d<sub>long</sub> Corner</td> <td>Diameter of corner longitudinal bars</td> <td> </td> <td> </td> </tr> <tr> <td>d<sub>long</sub> Interm (Perp)</td> <td>In the direction perpendicular to the load, the diameter of intermediate longitudinal bar</td> <td> </td> <td> </td> </tr> <tr> <td>c (Perp)</td> <td>In the direction perpendicular to the load, the clear cover of the column section</td> <td> </td> <td>Distance from periphral of concrete to the outside of the longitudinal reinforcement</td> </tr> <tr> <td>d<sub>long</sub> Interm (Para)</td> <td>In the direction parallel to the load, the diameter of intermediate longitudinal bar</td> <td nowrap="nowrap" style="width: 21.04%; height: 46px"> </td> <td> </td> <td> </td> </tr> <tr> <td>c (Para)</td> <td>In the direction parallel to the load, the clear cover of the column section</td> <td> </td> <td>Distance from periphral of concrete to the outside of the longitudinal reinforcement</td> </tr> <tr> <td>r<sub>l</sub></td> <td>The longitudinal reinforcement ratio</td> <td> </td> <td>ρ<sub>long</sub>=A<sub>sl</sub>/bh<br /> A<sub>sl</sub>=area of Longitudinal reinforcement</td> </tr> <tr> <td rowspan="9"><strong>Transverse<br /> Reinforcement</strong></td> <td>d<sub>tran </sub> (Close)</td> <td>Diameter of tranverse reinforcement</td> <td> </td> <td> </td> </tr> <tr> <td>Type of the ties</td> <td> </td> <td>r90: rect.w/90° hooks;<br /> r135: rect.w/135° hooks;<br /> d90: rect. and diamond w/90° hooks;<br /> d135: rect. and diamond w/135° hooks</td> </tr> <tr> <td> <p>s (Close)</p> </td> <td>Hoop spacing in close spacing region</td> <td> </td> <td> </td> </tr> <tr> <td>L<sub>trans</sub> (Close)</td> <td>The length of the region with closely spaced hoops</td> <td> </td> <td> </td> </tr> <tr> <td>r<sub>t</sub> (Close)</td> <td>Transverse reinforcement ratio in close spacing region</td> <td> </td> <td>ρ"=nA<sub>st</sub>/bs<br /> n=shear leg<br /> A<sub>st</sub>=Area of transverse reinforcement</td> </tr> <tr> <td>d<sub>tran </sub> (Wide)</td> <td>The diameter of transverse reinforcement in widely spaced region</td> <td> </td> <td> </td> </tr> <tr> <td>s (Wide)</td> <td>Hoop spacing in wide spacing region</td> <td> </td> <td> </td> </tr> <tr> <td>L<sub>trans</sub> (Wide)</td> <td>The length of the region with widely spaced hoops</td> <td> </td> <td> </td> </tr> <tr> <td>r<sub>t</sub> (Wide)</td> <td>Transverse reinforcement ratio in wide spacing region</td> <td> </td> <td>ρ"=nA<sub>st</sub>/bs<br /> n=shear leg<br /> A<sub>st</sub>=Area of transverse reinforcement</td> </tr> <tr> <td rowspan="7"><strong>Axial Load</strong></td> <td>Prestressed force</td> <td>Whether the loading system includes the prestressing force</td> <td>Y: including prestressing force<br /> N: all the load coming from lead weight, etc.</td> <td> </td> </tr> <tr> <td>P<sub>ini</sub></td> <td>Initial axial load</td> <td> </td> <td> </td> </tr> <tr> <td>P<sub>max</sub></td> <td>Maximum axial load measured during the test</td> <td> </td> <td> </td> </tr> <tr> <td>P<sub>min</sub></td> <td>Minimum axial load measured during the test</td> <td> </td> <td> </td> </tr> <tr> <td>λ<sub>ini</sub></td> <td>The  initial axial load ratio</td> <td> </td> <td>λ<sub>ini</sub>=P<sub>ini</sub>/f<sub>c</sub>'A<sub>g</sub></td> </tr> <tr> <td>λ<sub>max</sub></td> <td>The  maximum axial load ratio</td> <td> </td> <td>λ<sub>max</sub>=P<sub>max</sub>/f<sub>c</sub>'A<sub>g</sub></td> </tr> <tr> <td>λ<sub>min</sub></td> <td>The  minimum axial load ratio</td> <td> </td> <td>λ<sub>min</sub>=P<sub>min</sub>/f<sub>c</sub>'A<sub>g</sub></td> </tr> <tr> <td rowspan="3"><strong>Test Results</strong></td> <td>PGA</td> <td>The maximum acceleration of achieved input ground motion</td> <td> </td> <td> </td> </tr> <tr> <td>>V<sub>p</sub></td> <td>Plastic shear demand</td> <td> </td> <td>Obtained from column section analysis; V<sub>p</sub>=M<sub>p</sub>/a, where M<sub>p</sub>=moment strength,<br /> a=shear span</td> </tr> <tr> <td>V<sub>0</sub>'</td> <td>Column shear strength</td> <td> </td> <td>Modified from ASCE/SEI 41 equation 6-4</td> </tr> </tbody> </table> <p> </p> <table> <tbody> <tr> <td><img alt="" src="/resources/14164/download/NCREE_2005-_Specimen_L.png" style="height: 310px; width: 500px" /></td> <td><img alt="" src="/resources/14164/download/NCREE_2007-_Test_4-_C1.png" style="height: 224px; width: 500px" /></td> </tr> </tbody> </table> <nb:citations></nb:citations>