{"id":"1fa3f4ad-8156-44e9-853a-eb48c5f79c22","title":"西藏地区高陡边坡抗滑桩四点弯试验声发射数据","title_en":"Acoustic emission data of four point bending test of anti slide pile on high and steep slope in Tibet","serial":"","user_limit":"为尊重知识产权、保障数据作者的权益、扩展数据中心的服务、评估数据的应用潜力，请数据使用者在使用数据所产生的研究成果中（包括公开发表的论文、论著、数据产品和未公开发表的研究报告、数据产品等成果），明确注明数据来源和数据作者。对于转载（二次或多次发布）的数据，作者还须注明原始数据来源。","instructions":"声发射数据以Excel格式储存，文件命名的格式为\"GJ-W.xlsx\"，\"GJX-J\"，其中GJ代表钢筋，GJX代表钢绞线，W代表抗弯破坏，J代表抗剪破坏，GJX-W就表示钢绞线抗滑桩抗弯破坏的声发射数据；该数据可用Excel直接打开，每一个Excel文件里有7个工作表，每一个工作表表示一个声发射通道的数据，每一张表里分别记录了声发射时间，通道 CHAN ，幅值 A，上升时间 R，持续时间 D， 振铃计数 CNTS， 能量  E，质心频率 FFT_CoG，峰值频率 FFT_FoM。","description":"对四种不同结构的抗滑桩进行了四点弯破坏试验（纯钢筋抗滑桩抗弯破坏，抗剪破坏；预应力抗滑桩抗弯破坏，抗剪破坏），对破坏全过程进行了声发射监测。监测设备为德国八通道Vallen声发射监测仪，布置了7个传感器对桩的破坏进行全域监测。采集到的声发射数据主要包括幅值，能量，振铃计数，频率等关键声发射指标。通过研究全过程的声发射信号特点，可以得出抗滑桩在不同阶段不同破坏形式的声发射特性，建立损伤模型，对结构破坏的预测预警提供了一种可行性方案。","doi":"10.11888/Terre.tpdc.272194","projection":"","language":"zh","share_type":"online","east":115.05,"west":113.41,"south":29.58,"north":31.22,"scale":null,"crs":null,"filesize":50.84,"share_policy":"a","ts_created":"2022-03-22T20:37:43.223494+08:00","doi_type":"拥有自主知识产权","ts_updated":"2022-03-25T11:19:11.091654+08:00","time_description":"","datas_group":3,"time_description_en":"","data_format":null,"project":[11],"specials":[],"cite":null,"review_status":5,"review_invite":[{"user_name":"胡桂胜","username":"2018YFC1505202","email":"huguisheng@imde.ac.cn","is_cancel_expert":false}],"review_editor":{"id":42421,"last_login":"2022-04-08T15:16:51.670544+08:00","username":"任慧霞","email":"510727846@qq.com","is_active":true,"is_staff":true,"user_name":"任慧霞"},"data_sources":null,"temporal_resolution":"Daily","spatial_resolution":"1m - 10m","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[],"subtopics":{"metadata":"1fa3f4ad-8156-44e9-853a-eb48c5f79c22","three_pole":null,"third_pole":null},"username":"姜清辉","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":25}