膨胀土岸坡和堤坝渗透滑动检测识别与评估
项目来源
国(略)研(略)((略)D(略)
项目主持人
王(略)
项目受资助机构
长(略)规(略)研(略)责(略)
项目编号
2(略)Y(略)5(略)0(略)
立项年度
2(略)
立项时间
未(略)
研究期限
未(略) (略)
项目级别
国(略)
受资助金额
4(略)0(略)
学科
重(略)灾(略)预(略)范
学科代码
未(略)
基金类别
“重(略)灾(略)预(略)范”重点专项
关键词
膨(略);(略)推(略) (略)法(略);(略)勘(略) (略)动(略)估(略);(略)a(略)v(略)o(略);(略)m(略)a(略) (略)e(略)o(略) (略)c(略)c(略)p(略)p(略)i(略);(略)i(略)c(略)s(略)a(略)n(略)d(略)s(略) (略)e(略)e(略)m(略)o(略)o(略)a(略) (略)i(略)a(略)n(略)i(略)g
参与者
张(略)涛(略)燊
参与机构
未(略)
项目标书摘要:本课(略)实施方案稳步推进,(略)中期研究任务。按照(略)土岸坡和堤坝渗透滑(略)作进展包括:完成了(略)移地震观测系统设计(略),其中“堤坝电阻率(略)国家发明专利授权;(略)震数据反演方法研究(略)合正则化约束反演方(略)相关时移地震数据分(略)坝隐患地球物理电性(略)模拟,确立了水体渗(略)球物理电性和弹性参(略)方法研究提供了理论(略)宋岗码头开展了膨胀(略)和时移地震检测野外(略)测观测系统、二次时(略)移数据反演方法,基(略)和时移地震检测有效(略)、测道数等观测系统(略);初步完成岸坡和堤(略)系统设计方案及关键(略)一套完整的时移电法(略)并已完成主机选型与(略)坡全生命期行为评定(略)非线性动力学判据,(略)透滑动灾变临界判据(略)渗透滑动灾变评估方(略)
Applicati(略): The res(略)of this s(略)dvancing (略) strict a(略)ith the p(略)ementatio(略) the inte(略)h task re(略)he assign(略)as been b(略)mpleted. (略)o the res(略)rements, (略)h progres(略)ion ident(略)nd safety(略) of water(略)on slidin(略) xpansive(略)kment and(略) includes(略)the desig(略)apse elec(略)pecting a(略)se seismi(略)on system(略)ment and (略)and submi(略)plication(略)cal inven(略),“The res(略)mputerize(略)y system (略)pe”has be(略)ed by the(略)nvention (略) inversio(略)of time-l(略)ical pros(略) time-lap(略)observati(略)prelimina(略)ed. A hyb(略)ized cons(略)ersion me(略)me-lapse (略)prospecti(略)proposed,(略)alysis me(略)e-lapse v(略)relation (略)ng seismi(略)lso propo(略)ry out th(略)rd modeli(略)ysical el(略)d elastic(略)haracteri(略)nk slope (略)zards is (略), and set(略)racterist(略)hysical e(略)nd elasti(略)s of bank(略)dyke caus(略) permeati(略) provide (略) guidance(略)dy of tim(略)ection. F(略)ments of (略)electric (略)time-shif(略)etection (略)e soil ar(略)ried out (略) Wharf of(略)u Reservo(略) time-lap(略)n and obs(略)stem, col(略)secondary(略) observat(略)d time-sh(略)version m(略)verified.(略) design s(略)ey functi(略)s of time(略)trical pr(略)echnology(略)ent have (略)inarily c(略)nd a comp(略) design s(略)me-lapse (略)thod dete(略)ment has (略)ed, and t(略)ection an(略)stomizati(略)n complet(略) with the(略)dynamic c(略) the whol(略)od behavi(略)on index (略) analysis(略)expansive(略)slope, th(略)criterion(略) slip dis(略) on time (略)tion is e(略) and the (略)sessment (略)eepage sl(略)kment and(略) and dam (略)arily for(略)
项目受资助省
湖(略)
1.膨胀土岸坡和堤坝渗透滑动检测识别与评估中期报告(Detection identification and safety assessment of water infiltration sliding occurs in xpansive soil embankment and bank slope—Interim Report)
- 关键词:
- 膨胀土、时移推移检测、电法勘探、地震勘探、渗透滑动灾变评估方法、xpansive soil、time lapse detection、electrical prospecting、seismic observation、disaster assessment method for water infiltration sliding
- 张智;徐涛;林永燊;
- 《长江勘测规划设计研究有限责任公司;长江勘测规划设计研究有限责任公司;长江勘测规划设计研究有限责任公司;》
- 2020年
- 报告
本课题研究工作严格按照课题实施方案稳步推进,基本完成了任务书要求的中期研究任务。按照课题研究要求,完成膨胀土岸坡和堤坝渗透滑动检测识别与评估研究工作进展包括:完成了岸坡和堤坝时移电法和时移地震观测系统设计并提交技术发明专利申请,其中“堤坝电阻率层析成像观测系统”已获国家发明专利授权;完成了时移电法和时移地震数据反演方法研究,提出了时移电法数据混合正则化约束反演方法,还提出了时变—速度相关时移地震数据分析方法;开展了岸坡和堤坝隐患地球物理电性及弹性响应特征模型正演模拟,确立了水体渗透过程引起岸坡和堤坝地球物理电性和弹性参数变化特征,为时移检测方法研究提供了理论指导;选取在丹江口水库宋岗码头开展了膨胀土地区岸坡现场时移电法和时移地震检测野外试验研究,验证了时移检测观测系统、二次时移观测数据的采集以及时移数据反演方法,基本完成了对岸坡时移电法和时移地震检测有效性、观测装置类型、极距、测道数等观测系统参数与现场检测方法研究;初步完成岸坡和堤坝时移电法检测技术装备系统设计方案及关键功能模块的开发,提出了一套完整的时移电法检测装备系统设计方案,并已完成主机选型与模块定制;联合膨胀土岸坡全生命期行为评定指标与动力学分析系统的非线性动力学判据,建立其基于时移检测的渗透滑动灾变临界判据,初步形成了岸坡和堤坝渗透滑动灾变评估方法。 The research work of this subject is advancing steadily in strict accordance with the project implementation plan,and the interim research task required by the assignment book has been basically completed.According to the research requirements,the research progress of detection identification and safety assessment of water infiltration sliding occurs in xpansive soil embankment and bank slope includes:Completed the design of time-lapse electrical prospecting and time-lapse seismic observation system for embankment and bank slope,and submitted the application for technical invention patent,“The resistivity computerized tomography system of bank slope”has been authorized by the national invention patent.The inversion research of time-lapse electrical prospecting and time-lapse seismic observation data is preliminarily finished.A hybrid regularized constrained inversion method for time-lapse electrical prospecting data is proposed,and the analysis method of time-lapse velocity correlation time-shifting seismic data is also proposed.To carry out the the forward modeling of geophysical electrical and elastic response characteristics of bank slope and dyke hazards is carried out,and set up the characteristics of geophysical electrical and elastic parameters of bank slope and dyke caused by water permeation process,provide theoretical guidance of the study of time lapse detection.Field experiments of time-shift electric method and time-shift seismic detection in expansive soil area were carried out at Songgang Wharf of Danjiangkou Reservoir,and the time-lapse detection and observation system,collection of secondary time-shift observation data and time-shift data inversion method were verified.The system design scheme and key functional modules of time-lapse electrical prospecting technology and equipment have been preliminarily completed,and a complete system design scheme of time-lapse electric method detection equipment has been proposed,and the host selection and module customization have been completed.Combined with the nonlinear dynamic criterion of the whole life period behavior evaluation index and dynamic analysis system of expansive soil bank slope,the critical criterion of seepage slip disaster based on time shift detection is established,and the disaster assessment method of seepage slip of embankment and bank slope and dam is preliminarily formed.
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