Database of low-rise reinforced concrete buildings with earthquake damage

<table> <tbody> <tr> <td width="60%"> <a href="/app/site/resources/2015/01/00100/N4.jpg"> <img alt="image" src="/app/site/resources/2015/01/00100/N4.jpg" wdith="400" /></a></td> <td width="40%">This database contains building information of 616 low-rise reinforced concrete buildings with earthquake damage collected during seismic vulnerability assessment from 6 different earthquakes (Erzincan 1992, Duzce 1999, Bingol 2003, Peru 2007, Wenchuan 2008, and Haiti 2010). With a goal to evaluate the Priority Index proposed by Hassan and Sozen (1997), the reconnaissance team from 6 different earthquakes collected a total number of 7,044 photographs of 616 structures which were constructed with reinforced concrete or concrete masonry units.</td> </tr> </tbody> </table> <p>&nbsp;</p> <p>This database is presented as a spreadsheet with each row containing the following information of a building:</p> <ol> <li>Title: Title of the project, group of experiments, simulations or surveys</li> <li>Source: Names of the people who generated the data</li> <li>Keywords: Words describing the dataset, which can be used for searching</li> <li>Report(s): Related documentation</li> <li>Experiment or Case ID: ID assigned by the source to the sample, specimen, case, survey, site, experiment or simulation</li> <li>Latitude: Latitude of the location where data was collected, if applicable</li> <li>Longitude: Longitude of the location where data was collected, if applicable</li> <li>Parameters: Variables and parameters chosen by the researcher, compiler, professional or scientific organization to describe the data</li> <li>Drawings/Diagrams: Drawing and diagram files needed to interpret the data</li> <li>Data: Data files generated through project. Tabular text format is preferred (e.g., *.txt, *.csv).<br /> It is recommended that data files are organized in columns with each column having a descriptive header (e.g., sensor ID and unit)</li> <li>Photos, Videos, etc.: Media files including photos, videos, audio generated through project</li> <li>Compiled by: Names of the people who compiled the data</li> <li>Date: Date when the dataset was compiled. (format: yyyy-mm-dd)</li> </ol> <p>&nbsp;</p> <p>In addition, the following are the information presented in the parameter column:</p> <ol> <li>Event</li> <li>Building ID</li> <li>Priority Index (Hassan Index, %): PI = WI + CI (where, WI = Wall Index, CI = Column Index)</li> <li>No. of Floors</li> <li>1st Floor Area (m^2)</li> <li>Total Floor Area (m^2)</li> <li>Column Area (m^2)</li> <li>Concrete Wall Area (NS) (m^2):<br /> Data from Wenchuan collected as y-direction are assumed to be North-South direction</li> <li>Concrete Wall Area (EW) (m^2):<br /> Data from Wenchuan collected as x-direction are assumed to be East-West direction</li> <li>Masonry Wall Area (NS) (m^2):<br /> Data from Wenchuan collected as y-direction are assumed to be North-South direction</li> <li>Masonry Wall Area (EW) (m^2):<br /> Data from Wenchuan collected as x-direction are assumed to be East-West direction</li> <li>Structural Damage - Four classes of Damage<br /> a) Light: Hairline (crack width not exceeding approximate 0.13 mm) inclined and flexural cracks were observed in structural elements<br /> b) Moderate: Wider cracks or spalling of concrete were observed.<br /> c) Severe: At least one element had a structural failure.<br /> d) Collapse: At lease one floor slab or part of it lost its elevation</li> <li>Masonry Wall Damage - Damage to infill walls classified as follows:<br /> a) Light: Hairline cracks occurred.<br /> b) Moderate: Wider cracks appeared or large pieces of plaster flaked off.<br /> c) Severe: The element collapsed or cracks wide enough to see through the wall appeared.</li> <li>Captive Columns: Are there captive columns?</li> <li>Column Index (%)<br /> CI = 0.5 Acol/Af *100%<br /> where,<br /> Acol: the sum of cross-sectional areas of all columns at ground floor.<br /> Af: total areas above ground levels</li> <li>Wall Index (NS) (%)<br /> WI = (Acw + 0.1Amw)/Af *100%<br /> where,<br /> Acw: the sums of cross-sectional areas of reinforced concrete walls in north-south direction at ground floor<br /> Amw: the sums of cross-sectional areas of infill masonry walls in north-south direction at ground floor</li> <li>Wall Index (EW) (%)<br /> WI = (Acw + 0.1Amw)/Af *100%<br /> where,<br /> Acw: the sums of cross-sectional areas of reinforced concrete walls in east-west direction at ground floor<br /> Amw: the sums of cross-sectional areas of infill masonry walls in east-west direction at ground floor</li> <li>Min WI (%)<br /> Minimum Wall Index</li> <li>Priority Index (Hassan Index, %)<br /> PI = WI + CI<br /> where, WI = Wall Index, CI = Column Index</li> </ol> <nb:citations></nb:citations>

<table> <tbody> <tr> <td width="60%"> <a href="/app/site/resources/2015/01/00100/N4.jpg"> <img alt="image" src="/app/site/resources/2015/01/00100/N4.jpg" width="400" /></a></td> <td width="40%">本数据库收录了616栋低层钢筋混凝土（Reinforced Concrete）建筑的震害信息，这些数据源自针对6次不同地震（1992年埃尔津坎地震、1999年杜兹杰地震、2003年宾格尔地震、2007年秘鲁地震、2008年汶川地震以及2010年海地地震）开展的地震易损性评估（Seismic Vulnerability Assessment）工作。为评估哈桑与索曾（1997）提出的优先指数（Priority Index），来自6次地震的现场勘察团队（Reconnaissance Team）共拍摄了7044张照片，涵盖616栋采用钢筋混凝土或混凝土砌块（Concrete Masonry Units）建造的建筑。</td> </tr> </tbody> </table>
<p>&nbsp;</p>
<p>本数据库以电子表格形式呈现，每一行对应一栋建筑的如下信息：</p>
<ol>
<li>项目标题：对应试验、仿真或调研项目的名称</li>
<li>数据来源：生成该数据集的人员姓名</li>
<li>关键词：用于检索数据集的描述性词汇</li>
<li>相关文档：与数据集相关的报告文件</li>
<li>试验/案例编号：由数据来源方为样本、试件、案例、调研、场地、试验或仿真分配的唯一标识</li>
<li>纬度：数据采集地点的纬度，如适用</li>
<li>经度：数据采集地点的经度，如适用</li>
<li>参数：由研究者、整理者、专业人士或科研机构选取的、用于描述数据的变量与参数</li>
<li>图纸/图表：用于阐释该数据集所需的图纸与图表文件</li>
<li>数据文件：项目生成的数据文件，优先采用表格文本格式（如*.txt、*.csv）。建议数据文件按列组织，每一列配有描述性表头（如传感器编号与单位）</li>
<li>照片、视频等媒体文件：项目生成的照片、视频、音频等媒体资料</li>
<li>数据整理者：负责整理该数据集的人员姓名</li>
<li>数据集编制日期（格式：yyyy-mm-dd）</li>
</ol>
<p>&nbsp;</p>
<p>此外，参数列中包含以下信息：</p>
<ol>
<li>地震事件</li>
<li>建筑编号</li>
<li>优先指数（哈桑指数，%）：PI = WI + CI（其中WI为墙体指数，CI为柱体指数）</li>
<li>楼层数</li>
<li>首层建筑面积（m²）</li>
<li>总建筑面积（m²）</li>
<li>柱体总面积（m²）</li>
<li>混凝土墙体面积（南北向，m²）：汶川地震采集的y方向数据默认对应南北向</li>
<li>混凝土墙体面积（东西向，m²）：汶川地震采集的x方向数据默认对应东西向</li>
<li>砌体墙体面积（南北向，m²）：汶川地震采集的y方向数据默认对应南北向</li>
<li>砌体墙体面积（东西向，m²）：汶川地震采集的x方向数据默认对应东西向</li>
<li>结构损伤：分为4个损伤等级<br />
a) 轻微损伤：结构构件出现发丝状（裂缝宽度约≤0.13mm）斜向与弯曲裂缝<br />
b) 中等损伤：出现较宽裂缝或混凝土剥落<br />
c) 严重损伤：至少一个构件发生结构破坏<br />
d) 倒塌：至少一块楼板或其部分区域发生沉降失稳</li>
<li>填充墙损伤：填充墙损伤分为以下等级<br />
a) 轻微损伤：出现发丝状裂缝<br />
b) 中等损伤：出现较宽裂缝或大面积抹灰脱落<br />
c) 严重损伤：墙体完全倒塌，或出现足以贯穿墙体的宽裂缝</li>
<li>约束柱（Captive Columns）：是否存在约束柱？</li>
<li>柱体指数（%）：CI = 0.5×(Acol/Af)×100%，其中Acol为首层所有柱体的横截面面积之和，Af为地面以上总建筑面积</li>
<li>南北向墙体指数（%）：WI = (Acw + 0.1Amw)/Af×100%，其中Acw为首层南北向钢筋混凝土墙体的横截面面积之和，Amw为首层南北向填充砌体墙体的横截面面积之和</li>
<li>东西向墙体指数（%）：WI = (Acw + 0.1Amw)/Af×100%，其中Acw为首层东西向钢筋混凝土墙体的横截面面积之和，Amw为首层东西向填充砌体墙体的横截面面积之和</li>
<li>最小墙体指数（%）</li>
<li>优先指数（哈桑指数，%）：PI = WI + CI，其中WI为墙体指数，CI为柱体指数</li>
</ol>
<nb:citations></nb:citations>