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> </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> </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>

<p><img alt="image" src="/app/site/resources/2015/01/00100/N4.jpg" width="400" /></p>
<p>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年杜茨地震、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工作中收集的震害记录。为评估哈桑与索曾（Hassan and Sozen, 1997）提出的优先指数（Priority Index），来自6次地震现场的踏勘团队共为616栋采用钢筋混凝土或混凝土砌块（concrete masonry units）建造的建筑拍摄了总计7044张照片。</p>
<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：项目、实验组、模拟或调研的名称</li>
<li>数据来源：生成该数据集的人员姓名</li>
<li>关键词：用于描述数据集、可用于检索的词汇</li>
<li>报告文档：相关的技术文档</li>
<li>实验/案例编号：由数据来源方为样本、试件、案例、调研、场地、实验或模拟分配的唯一标识</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>参数项：由研究者、编译者、专业人员或科研机构选定的、用于描述数据的变量与参数</li>
<li>图纸/图表：用于阐释数据所需的图纸与图表文件</li>
<li>数据集文件：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，每一列配备描述性表头（如传感器编号与计量单位）</li>
<li>照片、视频等媒体文件：项目生成的照片、视频、音频等多媒体文件</li>
<li>编译人员：负责编译该数据集的人员姓名</li>
<li>编译日期：数据集的编译完成日期，格式为yyyy-mm-dd</li>
</ol>
<p>&nbsp;</p>
<p>此外，参数列中包含如下信息：</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>楼层总数</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方向数据默认为南北向</li>
<li>混凝土墙体面积（东西向，m²）：汶川地震采集的x方向数据默认为东西向</li>
<li>砌块墙体面积（南北向，m²）：汶川地震采集的y方向数据默认为南北向</li>
<li>砌块墙体面积（东西向，m²）：汶川地震采集的x方向数据默认为东西向</li>
<li>结构损伤：分为四个损伤等级<br />
a) 轻微：结构构件出现发丝状（裂缝宽度约不超过0.13mm）斜向与弯曲裂缝<br />
b) 中等：出现较宽裂缝或混凝土剥落现象<br />
c) 严重：至少一个构件发生结构性破坏<br />
d) 倒塌：至少一块楼板或其局部发生沉降失稳</li>
<li>砌块墙体损伤：填充墙的损伤分类如下：<br />
a) 轻微：出现发丝状裂缝<br />
b) 中等：出现较宽裂缝或大片抹灰层脱落<br />
c) 严重：构件发生倒塌，或出现可透过墙体的宽裂缝</li>
<li>约束柱：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总面积，Af为地面以上总建筑面积</li>
<li>墙体指数（南北向，%）：WI = (Acw + 0.1×Amw)/Af×100%，其中Acw为首层南北向钢筋混凝土墙体的横截面总面积，Amw为首层南北向填充砌块墙体的横截面总面积</li>
<li>墙体指数（东西向，%）：WI = (Acw + 0.1×Amw)/Af×100%，其中Acw为首层东西向钢筋混凝土墙体的横截面总面积，Amw为首层东西向填充砌块墙体的横截面总面积</li>
<li>最小墙体指数（%）：取最小的墙体指数值</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>

搜集汇总

背景与挑战

背景概述

该数据集是一个包含616栋低层钢筋混凝土建筑地震损伤信息的专业数据库，数据来源于1992年至2010年间全球6次重大地震的现场调查。数据集以结构化表格形式详细记录了每栋建筑的地理位置、结构参数（如楼层面积、墙柱指数）和损伤等级，并附有7,044张现场照片，主要用于评估地震工程中的Priority Index方法，为结构抗震性能研究提供实证基础。