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公开(公告)号：US20170218757A1
公开(公告)日：2017-08-03
申请号：US15515475
申请日：2015-05-07
Applicant: SHANDONG UNIVERSITY
Inventor： Shucai LI , Bin LIU , Xinji XU , Jie SONG , Lichao NIE , Lei YANG , Chunjin LIN
Abstract: A rock breaking seismic source and active source three-dimensional seismic combined detection system uses a tunnel boring machine for three-dimensional seismic combined detection by active seismic source and rock breaking seismic source methods. Long-distance advanced prediction and position recognition of a geological anomalous body are realized using the active source seismic method. Machine construction is adjusted and optimized according to the detection result; real-time short-distance accurate prediction of the body is realized using the cutter head rock breaking vibration having weak energy but containing a high proportion of transverse wave components as seismic sources and adopting an unconventional rock breaking seismic source seism recording and handling method. An area surrounding rock quality to be excavated is represented and assessed. A comprehensive judgment is made to the geological condition in front of the working face with the results of active source and rock breaking seismic source three-dimensional seismic advanced detection.
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2.发明公开公开(公告)号：US20230384473A1
公开(公告)日：2023-11-30
申请号：US18031715
申请日：2021-10-15
Applicant: SHANDONG UNIVERSITY , SHANDONG HI-SPEED GROUP CO., LTD.
Inventor： Lichao NIE , Lei CHEN , Yong ZHOU , Chuan WANG , Xinji XU , Jian LI , Zhengyu LIU , Ning ZHANG , Peng BAI , Yongheng ZHANG , Dongdong XIE
Abstract: A method and system for advanced detection and optimization of tunnel resistivity based on depth resolution. The method includes integrating all acquired electrode measurement data into comprehensive set, calculating its model resolution matrix, and selecting plurality of electrode measurement data from comprehensive set to form initial set; adding measurement data of electrodes that are not in initial set to initial set to form plurality of temporary subsets; calculating depth resolution balance goodness function of temporary subset according to model resolution matrix, selecting temporary subset with optimal value of depth resolution balance goodness function as new initial set, and determining whether average relative model resolution of initial set meets optimization requirements; if requirements are not met, continuously updating temporary subset, otherwise outputting initial set; determining number and position of tunnel face measurement electrodes according to updated initial set, and obtaining effective observation mode of advanced detection of optimized borehole resistivity.
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Patent Agency Ranking
3.发明公开公开(公告)号：US20230305177A1
公开(公告)日：2023-09-28
申请号：US18031289
申请日：2021-12-14
Applicant: SHANDONG UNIVERSITY
Inventor： Bin LIU , Yuxiao REN , Peng JIANG , Senlin YANG , Qingyang WANG , Xinji XU , Duo LI
IPC: G01V1/30
CPC classification number: G01V1/303 , G01V2210/6222 , G01V2210/66
Abstract: A multi-scale unsupervised seismic velocity inversion method based on an autoencoder for observation data. Large-scale information is extracted by the autoencoder, which is used for guiding an inversion network to complete the recovery of different-scale features in a velocity model, thereby reducing the non-linearity degree of inversion. A trained encoder part is embedded into the network to complete the extraction of seismic observation data information at the front end, so it can better analyze the information contained in seismic data, the mapping relationship between the data and velocity model is established better, then the inversion method is unsupervised, and location codes are added to the observation data to assist the network in perceiving the layout form of an observation system, which facilitates practical engineering application. Thus a relatively accurate inversion result of the seismic velocity model when no real geological model serves as a network training label can be achieved.
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4.发明公开公开(公告)号：US20230384470A1
公开(公告)日：2023-11-30
申请号：US18031693
申请日：2021-10-15
Applicant: SHANDONG UNIVERSITY , SHANDONG HI-SPEED GROUP CO., LTD.
Inventor： Peng JIANG , Yuxiao REN , Qifeng WANG , Zhiwu ZUO , Xinji XU , Kai WANG , Lei CHEN , Chuanyi MA , Shuai CAO , Senlin YANG , Qingyang WANG , Xianglong MENG
IPC: G01V1/28
CPC classification number: G01V1/282 , G01V2210/642 , G01V2210/66 , G01V2210/6222
Abstract: A method for three-dimensional velocity geological modeling with structures and velocities randomly arranged, including determining base points in three-dimensional space, building equation according to the base points to determine planar layered model, complicating a tilt layer of planar layered model, and building a fold layer model of a surface in three-dimensional space; building three-dimensional fault folded model based on the three-dimensional surface fold layer model combined with a fault plane of a random reference point and displacement of each point in a global coordinate system; building a velocity model containing a salt body based on the three-dimensional fault folded model, and simulating salt body intrusion in a geological body of a certain depth; and performing a random velocity amplitude to realize three-dimensional velocity modeling according to the layered type which has been set and according to the set velocity range and the velocity difference range between each layer of geology.
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公开(公告)号：US20220390635A1
公开(公告)日：2022-12-08
申请号：US17769909
申请日：2020-12-08
Applicant: SHANDONG UNIVERSITY
Abstract: The present invention discloses a system and method for phased array sound wave advanced geological exploration for a shield tunneling machine. The system includes a phased array sound wave emitting and receiving apparatus, a probe automatic telescopic apparatus, an automatic protection and cleaning apparatus, and a signal processing and imaging system. Sonic probes are installed on a side wall of a main spoke, opposite to a rotation direction, of a cutterhead of the shield tunneling machine, on the basis of automatic detection of a telescopic state and a contact state, sonic array probes are enabled to make contact with a tunnel face by a hydraulic push rod, a focus sound wave is emitted by using a phased array emitting technology, and a reflected wave signal with front geological information reflected from the front of the tunnel face is received. A scanning direction of a sound wave beam is controlled and changed continuously through a host system, on the premise of obtaining a suspected abnormal body position, the suspected position is imaged in detail by using a focusing image till scanning of a whole two-dimensional section is completed, then the cutterhead is rotated to change an arrangement direction of an array to continue scanning of a next two-dimensional section, and finally three-dimensional geological exploration in front of the tunnel face is realized.
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6.发明申请公开(公告)号：US20220326403A1
公开(公告)日：2022-10-13
申请号：US17430545
申请日：2020-07-13
Applicant: SHANDONG UNIVERSITY
Inventor： Shucai LI , Bin LIU , Xinji XU , Lei CHEN , Jiansen WANG , Chao FU , Yuxiao REN
Abstract: A multi-wavefield seismic detection method and system based on construction noise of a shield machine. Multi-wavefield seismic information such as a body wave and a surface wave formed during propagation of a seismic wave generated by excitation in a stratum is obtained by using noise information caused by the construction of a shield machine as a seismic source, a stratum velocity model along a tunnel is constructed through joint inversion, and reflection wave information or the like is used for migration imaging, to eventually implement relatively accurate detection of a geological condition in front of a tunnel face of shield construction.
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7.发明申请TUNNEL CONSTRUCTION LARGE-SCALE INTEGRATED GEOPHYSICAL ADVANCED DETECTION MODEL TEST DEVICE 有权隧道施工大规模集成地球物理高级检测模型试验装置公开(公告)号：US20150338549A1
公开(公告)日：2015-11-26
申请号：US14397547
申请日：2014-01-26
Applicant: SHANDONG UNIVERSITY
Inventor： Shucai LI , Bin LIU , Lichao NIE , Lei XU , Xiangxue MA , Chuanwu WANG , Zhengyu Liu , Jie SONG , Huaifeng SUN , Xinji XU , Yao LI
IPC: G01V99/00
CPC classification number: G01V99/005 , G01V1/30 , G01V3/165 , G01V3/17 , G01V11/00
Abstract: The present invention discloses a tunnel construction large-scale integrated geophysical advanced detection model test device. The model test device includes a tunnel surrounding rock, a main tunnel model, a model test case, a water-containing geological structure device, a numerical control automated construction device and a main control chamber. The model test device is a large-scale integrated geophysical advanced detection model test device meeting the detection using a seismic wave method, an electromagnetic method and a direct-current electric method. By using the geophysical advanced detection model test device, the geophysical response features of the water-containing geological structure device in front of a tunnel face may be studied, multiple geophysical advanced detection forward and inversion methods for the water-containing geological structure device are verified, and the relationship between some geophysical detection method results and water burst quantity is studied, so as to lay a test foundation for the advanced prediction and water burst quantity prediction of the water-containing geological construction device in actual engineering.
Abstract translation: 本发明公开了一种隧道建设大型综合地球物理高级检测模型试验装置。 模型试验装置包括岩石隧道，主隧道模型，模型试验箱，含水地质结构装置，数控自动化施工装置和主控室。 模型试验装置是利用地震波法，电磁法和直流电法满足检测的大规模综合地球物理高级检测模型试验装置。 通过使用地球物理高级检测模型试验装置，可以研究隧道前面含水地质构造装置的地球物理响应特征，验证含水地质结构装置的多种地球物理进展检测正向和反演方法 研究了一些地球物理检测方法结果与水爆量之间的关系，为实际工程中含水地质施工装置的先进预测和水爆量预测奠定了考察基础。
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