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公开(公告)号：US20240255286A1
公开(公告)日：2024-08-01
申请号：US18425197
申请日：2024-01-29
发明人： Zhichao LIU , Wei ZHOU , Wenliang LI , Liwei ZHU , Chen LI , Yujiang SONG , Xiao LI , Chen CAO , Qi ZHAN , Jin GAO , Huajian LI , Xuewen ZHANG , Jie JIN
摘要： A vehicle-road cooperation precise positioning method based on an electrified highway includes measuring position information of its own positioning point by using a roadside positioning module; determining absolute coordinates of all points on a communication line according to the position information; acquiring a contact signal when a vehicle-road connection information system comes into contact with the communication line, and determining position information of a contact point according to the contact signal and the absolute coordinates; and based on a conversion algorithm, determining current vehicle mass center position coordinate information according to the position information of the contact point and parameter information of the vehicle-road connection information system. In the process of real-time acquisition of vehicle dynamic position information, the method does not rely on a satellite positioning system at all and is based on a wired vehicle-road connection of the electrified highway, so that timeliness and reliability are higher.
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公开(公告)号：US11733153B1
公开(公告)日：2023-08-22
申请号：US18175150
申请日：2023-02-27
发明人： Xuefeng Li , Hualao Wang
CPC分类号： G01N17/00 , G01N33/1846 , G01N33/383
摘要： Disclosed is a method for evaluating environmental erosion of thaumasite in tunnel concrete, including: acquiring natural corrosion action parameters and environmental influence action parameters, and evaluating a natural corrosion situation based on the natural corrosion action parameters to obtain an initial evaluation result; and modifying the initial evaluation result based on the environmental influence action parameters to obtain a target evaluation result.
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3.发明申请公开(公告)号：US20230129027A1
公开(公告)日：2023-04-27
申请号：US17952798
申请日：2022-09-26
发明人： Chongbang XU , Xuefeng LI , Hualao WANG , Xiaojing GAO
IPC分类号： C04B40/00 , C04B28/04 , C04B14/28 , C04B14/14 , C04B18/08 , C04B22/14 , C04B24/26 , G01N33/38 , G01N23/20
摘要： Disclosed is a sulfate corrosion-resistant concrete, a method for optimizing proportion and application thereof. The concrete is formed by mixing and stirring base stocks, aggregates, admixtures, external additives and water. The base stock of the concrete is 17.4-17.5 parts of Portland cement; the aggregates include 38.9 parts of basalt with aggregate size of 5-10 mm and 33.1-33.2 parts of basalt medium sand; the admixtures are 1.9-1.95 parts of silica fume or fly ash, and further including 0.23-0.24 part of polycarboxylate water reducer and 1.34-1.35 part of sulfate corrosion-resistant liquid preservative. Optimized proportion method: according to the corrosion characteristics of sulfate and corrosion environment parameters, determine the composition and proportion of basic samples and comparison samples, make and cure sample components, test the deep components of the samples, and obtain the optimal composition and proportion according to the test results.
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公开(公告)号：US20210295684A1
公开(公告)日：2021-09-23
申请号：US17206048
申请日：2021-03-18
发明人： Yanqing CEN , Xianghui SONG , Ling SUN , Dongzhu WANG , Liwei ZHU , Dezao HOU , Liyang LU , Nan LIU , Jiahai ZHAO , Honghai LI , Yameng LI , Jian GAO , Fengman YANG
摘要： The present disclosure relates to an intelligent traffic cloud control system; by making full use of technologies such as cloud computing, edge computing, big data, and artificial intelligence, the present disclosure proposes a technical architecture of a cloud-edge-end cooperative road traffic cloud control platform, which can overcome the defects of the technical architecture of existing road traffic operation management and monitoring systems. The highway cloud control platform designed and developed based on this technical architecture can improve the operational efficiency of the road network under the premise of ensuring safety, so that highway users can obtain more timely, effective, and personalized driving and traveling assistance information; moreover, practical applications such as vehicle-road cooperative autonomous driving and other functions are supported.
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5.发明公开公开(公告)号：US20240264031A1
公开(公告)日：2024-08-08
申请号：US18564990
申请日：2022-04-02
发明人： Genqiang JING , Lu PENG , Bing ZHANG , Hongbo GUO
IPC分类号： G01M5/00
CPC分类号： G01M5/0041 , G01M5/0008
摘要： A passive excitation-based online calibration method for a bridge structural monitoring system, comprising: taking a dynamic load of a normal passing vehicle of a bridge as a passive excitation source to act on a bridge structure; an RS and an SMS to be calibrated continuously and synchronously acquiring strain data of the bridge structure, and forming measurement data sequences according to time sequencing; calculating an instantaneous measurement error, a period measurement error, and a basic error of the SMS according to the measurement data sequences respectively acquired by the RS and the SMS to be calibrated; and taking the instantaneous measurement error, and/or the period measurement error, and/or the basic error as a calibration basis to perform online calibration on the metrology performance of the SMS.
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公开(公告)号：US11828717B1
公开(公告)日：2023-11-28
申请号：US18322669
申请日：2023-05-24
发明人： Mingliang Li , Jun Li , Hao Wu
CPC分类号： G01N25/00 , E01C7/18 , E01C23/01 , G01N33/383
摘要： Provided is a method for evaluating and utilizing sonnenbrand basalt aggregate, including steps as follows: mixing a basalt aggregate defined as sonnenbrand basalt into an asphalt mixture; carrying out thermal aging experiments at different temperatures and durations to obtain a theoretical trigger time ti for the sonnenbrand phenomenon under a thermal aging temperature Ti; further calculating to obtain a theoretical thermal aging factor AF0 for the sonnenbrand phenomenon; statistically calculating a thermal aging factor AF for an actual construction to evaluate a performance of the basalt aggregate, if AF
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公开(公告)号：US11787381B1
公开(公告)日：2023-10-17
申请号：US18118123
申请日：2023-03-06
发明人： Lu Zhang , Wei Zhou , Wenliang Li , Chen Li , Jie Jin , Xuewen Zhang
IPC分类号： B60T17/22
CPC分类号： B60T17/22 , B60T2210/36 , B60T2250/02
摘要： A temperature monitoring method of a brake of a freight vehicle based on TBOX is provided, including: determining a weight of the freight vehicle based on OBD data of the freight vehicle collected by the TBOX; inputting the weight, the OBD data, a longitudinal slope in a high-precision map to determine the temperature of the brake of the freight vehicle; setting a temperature warning threshold of the brake based on its performance parameters of the freight vehicle, and determining a first driving state and a second driving state in a front road section with the determined temperature of the brake, and generating a warning signal and a forewarning signal of the freight vehicle. The monitoring method improves accuracy of the brake temperature by introducing altitude variation of the front road section and weight of the freight vehicle, and provides powerful data support for a safe driving.
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8.发明授权公开(公告)号：US11746063B2
公开(公告)日：2023-09-05
申请号：US17952798
申请日：2022-09-26
发明人： Chongbang Xu , Xuefeng Li , Hualao Wang , Xiaojing Gao
IPC分类号： C04B40/00 , C04B14/14 , C04B14/28 , C04B18/08 , C04B22/14 , C04B24/26 , C04B28/04 , G01N23/20 , G01N33/38 , C04B103/30 , C04B111/20
CPC分类号： C04B40/0096 , C04B14/14 , C04B14/28 , C04B18/08 , C04B22/142 , C04B24/2641 , C04B28/04 , G01N23/20 , G01N33/383 , C04B2103/302 , C04B2111/2015 , G01N2223/056 , G01N2223/60
摘要： Disclosed is a sulfate corrosion-resistant concrete, a method for optimizing proportion and application thereof. The concrete is formed by mixing and stirring base stocks, aggregates, admixtures, external additives and water. The base stock of the concrete is 17.4-17.5 parts of Portland cement; the aggregates include 38.9 parts of basalt with aggregate size of 5-10 mm and 33.1-33.2 parts of basalt medium sand; the admixtures are 1.9-1.95 parts of silica fume or fly ash, and further including 0.23-0.24 part of polycarboxylate water reducer and 1.34-1.35 part of sulfate corrosion-resistant liquid preservative. Optimized proportion method: according to the corrosion characteristics of sulfate and corrosion environment parameters, determine the composition and proportion of basic samples and comparison samples, make and cure sample components, test the deep components of the samples, and obtain the optimal composition and proportion according to the test results.
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9.发明申请公开(公告)号：US20220326053A1
公开(公告)日：2022-10-13
申请号：US17713011
申请日：2022-04-04
发明人： Chongbang XU , Xiaojing GAO , Lei LI , Youlin QIN , Xuan ZHANG
摘要： The invention discloses a method for analyzing the expansive stress and expansive strain of tunnel surrounding rock, including: (1) determining the surrounding rock state of the tunnel surrounding rock before expansion and the surrounding rock state after expansion; (2) according to the determined state of the surrounding rock, determining the expansive stress and expansive strain of the tunnel surrounding rock before expansion, and determining the expansive stress and expansive strain of the tunnel surrounding rock after expansion; (3) according to the surrounding rock state of the tunnel surrounding rock after expansion, the expansive deformation radius of the tunnel surrounding rock is determined, so as to determine the expansive deformation displacement of the tunnel surrounding rock. The invention introduces the expansive behavior characteristics of the tunnel surrounding rock into the analysis of the expansive stress and expansive strain of the tunnel surrounding rock of the expansive rock tunnel, which can truly reflect the changes of the expansive stress and expansive strain of the tunnel surrounding rock during the expansion process, and can realize the quantitative calculation of expansive stress and expansive strain on the state change of surrounding rock.
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公开(公告)号：US20220317333A1
公开(公告)日：2022-10-06
申请号：US17712846
申请日：2022-04-04
发明人： Chongbang XU , Xiaojing GAO , Youlin QIN , Xuan ZHANG
摘要： The invention discloses a method for analyzing the constitutive relationship of confined rock expansion, including: (1) determining parameters that affect rock expansive properties, wherein the parameters comprise category, density, and water content; (2) establishing an expression of the relationship between the parameters and rock expansive capacity; (3) establishing an expression of the relationship among the rock expansive capacity, rock expansive stress and rock expansive strain; and (4) determining an expression of the relationship among the parameters, the rock expansive stress and the rock expansive strain according to the rock expansive capacity. The present invention introduces parameters comprising category, density, and water content that affect the rock expansive properties into the analysis of rock expansive stress and rock expansive strain, which can truly reflect the variation of rock expansive stress and rock expansive strain, and can achieve quantized calculation of the rock expansive state.
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