Patents by Inventor Tongbin ZHAO
Tongbin ZHAO has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11860135Abstract: A three-dimensional dynamic and static load test system for simulating deep roadway excavation and a method thereof are provided, which relates to the technical field of indoor simulation testing in underground engineering. The system includes a mobile platform, a box body, a support frame, a roadway excavation device, and a data monitoring unit. The system and method of the disclosure can reproduce the whole process of roadway excavation, simulate the multi-directional loading of deep roadway, and restore the real stress state of deep roadway under the influence of dynamic and static load superimposed disturbance. The problem of insufficient research under the condition of unidirectional static loading and lack of multi-directional dynamic and static loading in current large-scale experimental devices has been solved, and the stress and deformation of the surrounding rock of the roadway are reflected in real-time through the data monitoring unit.Type: GrantFiled: May 15, 2023Date of Patent: January 2, 2024Assignee: SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Weiyao Guo, Yueying Zhang, Lexin Chen, Dongxiao Zhang, Yunliang Tan, Tongbin Zhao
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Patent number: 11834949Abstract: A collaborative erosion-control method of releasing-splitting-supporting based on coal mass pressure relief and roof pre-splitting provided by the disclosure includes the following steps: step 1, driving into a coal seam to release pressure; step 2, low roof pre-splitting during driving process; step 3, supporting of roadway surrounding rock and support reinforcement; step 4, floor destressing of the roadway; step 5, high roof pre-splitting before mining; step 6, destressing and supporting of the advanced roadway surrounding rock during the mining process of the working face. The collaborative erosion-control method of releasing-splitting-supporting based on coal mass pressure relief and roof pre-splitting, and to carry out local pressure relief, roof pre-splitting and reinforcement support construction in the whole cycle of the coal working face in a progressive manner, so as to achieve the prevention and control of rock burst in the working face.Type: GrantFiled: March 3, 2023Date of Patent: December 5, 2023Assignee: SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Weiyao Guo, Lexin Chen, Yan Tan, Yunliang Tan, Tongbin Zhao
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Publication number: 20230340878Abstract: A collaborative erosion-control method of releasing-splitting-supporting based on coal mass pressure relief and roof pre-splitting provided by the disclosure includes the following steps: step 1, driving into a coal seam to release pressure; step 2, low roof pre-splitting during driving process; step 3, supporting of roadway surrounding rock and support reinforcement; step 4, floor destressing of the roadway; step 5, high roof pre-splitting before mining; step 6, distress sing and supporting of the advanced roadway surrounding rock during the mining process of the working face. The collaborative erosion-control method of releasing-splitting-supporting based on coal mass pressure relief and roof pre-splitting, and to carry out local pressure relief, roof pre-splitting and reinforcement support construction in the whole cycle of the coal working face in a progressive manner, so as to achieve the prevention and control of rock burst in the working face.Type: ApplicationFiled: March 3, 2023Publication date: October 26, 2023Inventors: Weiyao GUO, Lexin CHEN, Yan TAN, Yunliang TAN, Tongbin ZHAO
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Publication number: 20230280251Abstract: A three-dimensional dynamic and static load test system for simulating deep roadway excavation and a method thereof are provided, which relates to the technical field of indoor simulation testing in underground engineering. The system includes a mobile platform, a box body, a support frame, a roadway excavation device, and a data monitoring unit. The system and method of the disclosure can reproduce the whole process of roadway excavation, simulate the multi-directional loading of deep roadway, and restore the real stress state of deep roadway under the influence of dynamic and static load superimposed disturbance. The problem of insufficient research under the condition of unidirectional static loading and lack of multi-directional dynamic and static loading in current large-scale experimental devices has been solved, and the stress and deformation of the surrounding rock of the roadway are reflected in real-time through the data monitoring unit.Type: ApplicationFiled: May 15, 2023Publication date: September 7, 2023Inventors: Weiyao GUO, Yueying ZHANG, Lexin CHEN, Dongxiao ZHANG, Yunliang TAN, Tongbin ZHAO
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Patent number: 11499897Abstract: The present invention discloses a deformation controllable compression ring-based mechanical test system for rocks with variable stiffness and a test method thereof, which comprises a loading device, a variable stiffness regulating device, a data monitoring system and a controlling system; the energy storing spring in the loading device allows the rebounding direction of the loading device to be contrary to the strain direction of the test-piece, which eliminates the energy supplement of the loading device to the test-piece and realizes the loading of an oversized stiffness on the test system; the variable stiffness regulating device precisely regulates the loaded stiffness by regulating the loaded stiffness of the test system according to test requirements, which realizes the test of loading different stiffness on the same test system and avoids the influences of differences to loading parameters between different test systems on the test results.Type: GrantFiled: April 7, 2022Date of Patent: November 15, 2022Assignee: SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Yanchun Yin, Tongbin Zhao, Yunliang Tan, Minglu Xing, Yubao Zhang, Kai Fang, Chen Yan
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Patent number: 11441982Abstract: The disclosure provides a variable dip fault slip simulation test method, which relates to the technical field of indoor simulation test of underground engineering. The variable dip fault slip simulation test method of the disclosure adopts a sample device and a loading device, which includes the following steps: Step 1. sample preparation; Step 2. sample assembly; Step 3. loading preparation; Step 4. sample loading. The variable dip fault slip simulation test method of the disclosure can prepare rock like samples with different dip interfaces, simulate the slip failure process of faults with different dip angles, as well as the normal dip slip and reverse dip slip of faults, facilitate the operation of slip simulation test, and collect test data automatically and accurately.Type: GrantFiled: January 13, 2022Date of Patent: September 13, 2022Inventors: Weiyao Guo, Yan Tan, Tongbin Zhao, Yunliang Tan, Dongxiao Zhang
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Publication number: 20220283064Abstract: The present invention discloses a deformation controllable compression ring-based mechanical test system for rocks with variable stiffness and a test method thereof, which comprises a loading device, a variable stiffness regulating device, a data monitoring system and a controlling system; the energy storing spring in the loading device allows the rebounding direction of the loading device to be contrary to the strain direction of the test-piece, which eliminates the energy supplement of the loading device to the test-piece and realizes the loading of an oversized stiffness on the test system; the variable stiffness regulating device precisely regulates the loaded stiffness by regulating the loaded stiffness of the test system according to test requirements, which realizes the test of loading different stiffness on the same test system and avoids the influences of differences to loading parameters between different test systems on the test results.Type: ApplicationFiled: April 7, 2022Publication date: September 8, 2022Inventors: Yanchun YIN, Tongbin ZHAO, Yunliang TAN, Minglu XING, Yubao ZHANG, Kai FANG, Chen YAN
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Publication number: 20220178802Abstract: The disclosure provides a variable dip fault slip simulation test method, which relates to the technical field of indoor simulation test of underground engineering. The variable dip fault slip simulation test method of the disclosure adopts a sample device and a loading device, which includes the following steps: Step 1. sample preparation; Step 2. sample assembly; Step 3. loading preparation; Step 4. sample loading. The variable dip fault slip simulation test method of the disclosure can prepare rock like samples with different dip interfaces, simulate the slip failure process of faults with different dip angles, as well as the normal dip slip and reverse dip slip of faults, facilitate the operation of slip simulation test, and collect test data automatically and accurately.Type: ApplicationFiled: January 13, 2022Publication date: June 9, 2022Inventors: Weiyao GUO, Yan TAN, Tongbin ZHAO, Yunliang TAN, Dongxiao ZHANG
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Patent number: 11085858Abstract: The present disclosure provides a true triaxial tester with adjustable loading stiffness and a test method, relating to the technical field of rock mechanics. The tester includes a first principal stress variable stiffness loading apparatus, a second principal stress variable stiffness loading apparatus, a third principal stress loading apparatus, a monitoring system, and a control system. The monitoring system includes a stiffness sensor, a pressure sensor, and a displacement sensor. Loading stiffness in a first principal stress direction and a second principal stress direction is adjustable. The tester has the following advantages: it has fixed loading stiffness, can complete stiffness loading of one side being free and five sides being variable, and is easy to operate.Type: GrantFiled: April 5, 2021Date of Patent: August 10, 2021Inventors: Yunliang Tan, Yanchun Yin, Tongbin Zhao, Yubao Zhang, Weiyao Guo, Xingxue Tang, Hongjie Zhou
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Publication number: 20210223152Abstract: The present disclosure provides an inner and outer framework combined variable stiffness rock mechanics tester and a testing method, relating to the technical field of rock mechanics. The tester includes a stiffness adjusting apparatus, a test loading apparatus, a monitoring system, and a control system. During a test, according to monitoring data, the load of the stiffness adjusting cylinder is controlled through the control system, and the displacement of the inner top beam is adjusted in real time, to ensure that the loading stiffness reaches a design value and remains constant, which solves the technical problem that the loading stiffness of the rock mechanics tester cannot be quantitatively adjusted, and is easy to operate.Type: ApplicationFiled: April 8, 2021Publication date: July 22, 2021Inventors: Tongbin ZHAO, Yanchun YIN, Yunliang TAN, Minglu XING, Yue QIU, Wuwei ZHENG, Xinyuan WANG
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Publication number: 20210223149Abstract: The present disclosure provides a true triaxial tester with adjustable loading stiffness and a test method, relating to the technical field of rock mechanics. The tester includes a first principal stress variable stiffness loading apparatus, a second principal stress variable stiffness loading apparatus, a third principal stress loading apparatus, a monitoring system, and a control system. The monitoring system includes a stiffness sensor, a pressure sensor, and a displacement sensor. Loading stiffness in a first principal stress direction and a second principal stress direction is adjustable. The tester has the following advantages: it has fixed loading stiffness, can complete stiffness loading of one side being free and five sides being variable, and is easy to operate.Type: ApplicationFiled: April 5, 2021Publication date: July 22, 2021Inventors: Yunliang TAN, Yanchun YIN, Tongbin ZHAO, Yubao ZHANG, Weiyao GUO, Xingxue TANG, Hongjie ZHOU
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Patent number: 11067488Abstract: The present disclosure provides an inner and outer framework combined variable stiffness rock mechanics tester and a testing method, relating to the technical field of rock mechanics. The tester includes a stiffness adjusting apparatus, a test loading apparatus, a monitoring system, and a control system. During a test, according to monitoring data, the load of the stiffness adjusting cylinder is controlled through the control system, and the displacement of the inner top beam is adjusted in real time, to ensure that the loading stiffness reaches a design value and remains constant, which solves the technical problem that the loading stiffness of the rock mechanics tester cannot be quantitatively adjusted, and is easy to operate.Type: GrantFiled: April 8, 2021Date of Patent: July 20, 2021Inventors: Tongbin Zhao, Yanchun Yin, Yunliang Tan, Minglu Xing, Yue Qiu, Wuwei Zheng, Xinyuan Wang
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Patent number: 11067392Abstract: An anchor bolt length determination method based on monitoring of a roof rock stratum horizontal extrusion force includes drilling a borehole in the middle of a roadway roof to determine a surrounding rock fracturing scope by a borehole television. The method includes selecting the number and locations of horizontal extrusion force measuring points according to the surrounding rock fracturing scope. The method includes monitoring and recording a change of the horizontal extrusion force over time in the borehole by a device for monitoring a roof rock stratum horizontal extrusion force. The method includes selecting a location with the largest horizontal extrusion force as a center of a anchoring segment of an anchor bolt to determine a distance between the anchoring center and the roof. The method includes calculating a total length of the anchor bolt.Type: GrantFiled: May 14, 2019Date of Patent: July 20, 2021Assignee: SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Yunliang Tan, Kai Zhou, Fenghai Yu, Tongbin Zhao
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Patent number: 11041790Abstract: The present disclosure provides a stress gradient loading test apparatus and a method of accurately determining loading energy, relating to the technical field of a rock mechanical test. The apparatus includes an upper pressure-bearing plate, a specimen fixing device, a stress transfer device, and a simulation specimen. A computer processes stress and strain monitoring data. The stress transfer device includes a plurality of plate-like high strength materials in combination. A simulation roadway is opened in the simulation specimen, and a strain gauge and a stress sensor are disposed on the simulation specimen. In a test using the apparatus, stress gradient loading is realized and elastic strain energy is calculated by the plate-like high strength materials with different stiffnesses of the stress transfer device, and loading energy acting on the simulation specimen is calculated in combination with energy applied by a tester.Type: GrantFiled: January 23, 2021Date of Patent: June 22, 2021Inventors: Weiyao Guo, Xuebin Gu, Tongbin Zhao, Yunliang Tan
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Publication number: 20210156775Abstract: The present disclosure provides a stress gradient loading test apparatus and a method of accurately determining loading energy, relating to the technical field of a rock mechanical test. The apparatus includes an upper pressure-bearing plate, a specimen fixing device, a stress transfer device, and a simulation specimen. A computer processes stress and strain monitoring data. The stress transfer device includes a plurality of plate-like high strength materials in combination. A simulation roadway is opened in the simulation specimen, and a strain gauge and a stress sensor are disposed on the simulation specimen. In a test using the apparatus, stress gradient loading is realized and elastic strain energy is calculated by the plate-like high strength materials with different stiffnesses of the stress transfer device, and loading energy acting on the simulation specimen is calculated in combination with energy applied by a tester.Type: ApplicationFiled: January 23, 2021Publication date: May 27, 2021Inventors: Weiyao GUO, Xuebin GU, Tongbin ZHAO, Yunliang TAN
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Patent number: 10969314Abstract: The present disclosure provides a device and a method for an anchor bolt (cable) supporting structure test and an anchoring system performance comprehensive experiment, and relates to the technical field of anchoring tests.Type: GrantFiled: December 19, 2019Date of Patent: April 6, 2021Assignee: SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Tongbin Zhao, Chunlin Li, Minglu Xing, Yunliang Tan, Chen Zhao, Zhi Wang, Xiaoliang Li, Fenghai Yu, Jinglong Jia
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Publication number: 20210018315Abstract: An anchor bolt length determination method based on monitoring of a roof rock stratum horizontal extrusion force includes drilling a borehole in the middle of a roadway roof to determine a surrounding rock fracturing scope by a borehole television. The method includes selecting the number and locations of horizontal extrusion force measuring points according to the surrounding rock fracturing scope. The method includes monitoring and recording a change of the horizontal extrusion force over time in the borehole by a device for monitoring a roof rock stratum horizontal extrusion force. The method includes selecting a location with the largest horizontal extrusion force as a center of a anchoring segment of an anchor bolt to determine a distance between the anchoring center and the roof. The method includes calculating a total length of the anchor bolt.Type: ApplicationFiled: May 14, 2019Publication date: January 21, 2021Inventors: Yunliang TAN, Kai ZHOU, Fenghai YU, Tongbin ZHAO
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Publication number: 20210003490Abstract: The present disclosure provides a device and a method for an anchor bolt (cable) supporting structure test and an anchoring system performance comprehensive experiment, and relates to the technical field of anchoring tests.Type: ApplicationFiled: December 19, 2019Publication date: January 7, 2021Inventors: Tongbin ZHAO, Chunlin LI, Minglu XING, Yunliang TAN, Chen ZHAO, Zhi WANG, Xiaoliang LI, Fenghai YU, Jinglong JIA