WO2020181923A1 - 基于tbm岩-机参数动态交互机制的隧洞可掘进预测方法及系统 - Google Patents
基于tbm岩-机参数动态交互机制的隧洞可掘进预测方法及系统 Download PDFInfo
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- WO2020181923A1 WO2020181923A1 PCT/CN2020/072864 CN2020072864W WO2020181923A1 WO 2020181923 A1 WO2020181923 A1 WO 2020181923A1 CN 2020072864 W CN2020072864 W CN 2020072864W WO 2020181923 A1 WO2020181923 A1 WO 2020181923A1
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
- G06N3/00—Computing arrangements based on biological models
- G06N3/004—Artificial life, i.e. computing arrangements simulating life
- G06N3/006—Artificial life, i.e. computing arrangements simulating life based on simulated virtual individual or collective life forms, e.g. social simulations or particle swarm optimisation [PSO]
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/21—Design, administration or maintenance of databases
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V20/00—Geomodelling in general
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2111/00—Details relating to CAD techniques
- G06F2111/06—Multi-objective optimisation, e.g. Pareto optimisation using simulated annealing [SA], ant colony algorithms or genetic algorithms [GA]
Definitions
- the present disclosure relates to the technical field of tunnel engineering, in particular to a method and system for predicting tunnel excavation based on a dynamic interaction mechanism of TBM rock-machine parameters.
- TBM construction rock mass information such as compressive strength, completeness and other parameters are obtained through manual on-site sketching, sampling, and indoor tests.
- the acquisition methods are relatively backward, and it is impossible to perceive and predict the state of the rock mass in real time.
- tunneling parameters in TBM construction basically rely on human experience to make judgments and adjustments.
- the matching of tunneling parameters and rock mass state parameters is poor. Once stratigraphic changes or complex geological conditions are encountered, it is difficult to adjust the tunneling plan and control parameters in a timely and effective manner. It is prone to accidents such as machine jams, geological disasters, and even casualties.
- TBM intelligent tunneling classification and prediction has become a major technical challenge and frontier hot issue in the field of tunnel engineering.
- the embodiment of the present disclosure provides a tunnel excavation prediction method based on the dynamic interaction mechanism of TBM rock-machine parameters, carries out the feasibility classification of TBM excavation, and combines the dynamic interaction mechanism of TBM rock-machine parameters to carry out TBM excavation. Efficiency is predicted.
- the embodiment of the present disclosure discloses a tunnel excavation prediction method based on the dynamic interaction mechanism of TBM rock-machine parameters, including:
- the optimal tunneling formula suitable for TBM tunneling is established, and the feasibility of TBM tunneling is classified according to the tunneling formula, and the TBM tunneling efficiency is predicted.
- Implementation example of the present disclosure selects equipment excavation indicators and rock mass information indicators based on TBM construction characteristics, and collects a large amount of data to form a sample database. Compared with other subjective weighting methods, the entropy weighting method adopted by this method has higher accuracy, stronger objectivity, and more accurate results.
- the quantum particle swarm algorithm used avoids the poor global optimization capability and slow convergence speed of the traditional particle swarm algorithm, and greatly improves the global optimization capability and optimization efficiency of the particle swarm algorithm.
- the present invention implements the quantum particle swarm algorithm Further improvements are made to avoid falling into the local optimum in the later stage of the calculation, and greatly increase the diversity of the population, resulting in higher quality and more accurate results. Therefore, this method has very rich evaluation information, high efficiency and high accuracy of results.
- Another embodiment of the present disclosure discloses a tunnel advancement prediction system based on a dynamic interaction mechanism of TBM rock-machine parameters, including:
- the database establishment unit is configured to: establish an equipment information sample database and a rock mass information sample database according to the dynamic interaction law of surrounding rock parameters and machine parameters in the TBM tunneling process;
- the rock mass information weight calculation unit is configured to analyze and calculate the rock mass information sample database of the ascending section of the TBM excavation parameter to obtain the weight of each rock mass information under different equipment conditions;
- the optimal solution calculation unit is configured to determine the convergence conditions under different equipment information states through the rock-machine parameter dynamic interaction mechanism, and obtain the optimal TBM excavation parameters in the stable section under different rock mass information conditions according to the convergence conditions solution;
- the prediction unit is configured to establish an optimal tunneling formula suitable for TBM tunneling through the obtained weight information and the optimal solution of the parameters of the tunneling stable section, and perform TBM tunneling feasibility classification according to the tunneling formula to predict the TBM tunneling efficiency.
- the method of the present disclosure selects equipment parameters and rock mass parameters based on the characteristics of TBM construction, which closely meets the actual needs of the project, and selects a large number of sample data from the actual project, and selects the entropy weight method as the method for determining the indicator weight. Compared with other subjective weighting methods, the accuracy is higher, the objectivity is stronger, and the results obtained are more accurate.
- the improved quantum particle swarm method adopted by the method of the present disclosure not only greatly improves the global optimization ability and optimization efficiency of the particle swarm algorithm, but also prevents it from falling into the local optimum in the later stage of calculation, and greatly increases the diversity of the population.
- the results obtained are of higher quality and accuracy.
- Fig. 1 is a flowchart of evaluation steps of a specific implementation example of the present disclosure.
- tunneling parameters in TBM construction basically rely on human experience to make judgments and adjustments.
- the matching of tunneling parameters and rock mass state parameters is poor. Once stratigraphic changes or complex geological conditions are encountered, it is difficult to adjust the tunneling plan and control parameters in a timely and effective manner. It is prone to accidents such as machine jams, geological disasters, and even casualties. Therefore, TBM intelligent tunneling classification and prediction has become a major technical challenge and frontier hot issue in the field of tunnel engineering.
- a classification and prediction method suitable for TBM intelligent tunneling is provided.
- the present disclosure establishes a comprehensive evaluation index system of TBM excavation efficiency considering TBM machine parameters and surrounding rock index parameters through the study of the dynamic interaction mechanism of TBM rock-machine parameters, and obtains the machine parameter decision criterion with the optimal excavation efficiency as the decision objective.
- the index evaluation system includes TBM equipment parameters and rock mass index parameters.
- the equipment parameters mainly include cutter head thrust (F), cutter head torque (T), penetration (P), advance speed (R); rock mass parameter information includes rock mass uniaxial compressive strength, rock mass integrity, Rock hardness, rock wear resistance, rock quartz content, fault fracture zone, in-situ stress state, special rock-soil combination, groundwater, the angle between the direction of the dominant structural plane of the rock mass and the tunnel line ⁇ .
- the existing TBM tunneling rock machine information is collected and summarized and a sample database is established.
- the TBM tunneling parameters are divided into TBM tunneling parameter rising section and TBM tunneling Parameter stable section; use entropy weight method to analyze and calculate the rock mass information sample database for the rising section of TBM tunneling parameters to obtain the weight of each rock mass information under different equipment status conditions; determine the information status of different equipment through the dynamic interaction mechanism of rock-machine parameters
- the improved quantum particle swarm method is used to obtain the optimal solution of the TBM tunneling parameter stable section under different rock mass information conditions; through the obtained weight information and the optimal solution of the tunneling stable section parameter, the applicable The best tunneling formula for TBM tunneling.
- This method selects equipment driving indicators and rock mass information indicators based on the characteristics of TBM construction, and collects a large amount of data to form a sample database. Compared with other subjective weighting methods, the entropy weighting method adopted by this method has higher accuracy, stronger objectivity, and more accurate results.
- the quantum particle swarm algorithm used avoids the poor global optimization capability and slow convergence speed of the traditional particle swarm algorithm, and greatly improves the global optimization capability and optimization efficiency of the particle swarm algorithm.
- the present invention implements the quantum particle swarm algorithm Further improvements are made to avoid falling into the local optimum in the later stage of the calculation, and greatly increase the diversity of the population, resulting in higher quality and more accurate results. Therefore, this method has very rich evaluation information, high efficiency and high accuracy of results.
- the TBM rock-machine dynamic interaction mechanism is explained below.
- the TBM rock-machine dynamic interaction mechanism is the dynamic interaction law of surrounding rock parameters-machine parameters in the TBM tunneling process, and the tunnel surrounding rock parameters-TBM machine parameters are established according to this rule. Feedback model.
- the TBM tunneling process of different formations, different rocks, and different machine parameters is simulated, and the correlation between the surrounding rock parameters and machine parameters during the TBM tunneling process is obtained, and the output torque, rotation speed, tunneling speed, and propulsion during the TBM tunneling process are obtained.
- the correlation between mechanical parameters such as force and rock's uniaxial compressive strength, rock tensile strength, rock hardness, structural plane spacing, the angle between the hole axis and the main structural plane and other surrounding rock parameters.
- TBM will automatically record various machine parameters and surrounding rock parameters during the tunneling process.
- Obtain TBM machine parameters torque, rotation speed, tunneling speed, propulsion, etc.
- surrounding rock parameters rock uniaxial compressive strength, rock tensile strength, rock hardness, structural plane spacing, hole axis and main structural plane angle
- Establish the tunneling model of TBM surrounding rock parameters-machine parameters calculate the tunneling speed of TBM under different combinations of TBM working conditions and surrounding rock parameters, and analyze the correlation between TBM machine parameters and surrounding rock parameters, among which TBM working conditions Including different TBM output torque and propulsion force, surrounding rock parameter conditions include different rock compressive strength, tensile strength, elastic model, joint spacing, dip angle and ground stress combination.
- the penetration, thrust, and torque TBM tunneling parameters gradually increase to a stable value. This stage is called the TBM tunneling parameter rising section; the TBM tunneling parameters remain stable The stage with slight fluctuation is called TBM tunneling stable section.
- the mechanism in this example reflects the dynamic interaction law of TBM rock-machine, and is the basis for establishing a comprehensive evaluation index system for TBM excavation efficiency and obtaining machine parameter decision criteria with optimal excavation efficiency as the decision objective.
- the evaluation index system is established by a comprehensive evaluation method based on the dynamic interaction mechanism of TBM rock-machine parameters.
- the comprehensive evaluation methods used in the examples of the present disclosure include entropy weight method and quantum particle swarm method.
- the weights of different rock mass parameters are calculated by the entropy weight method, and the calculation process is the conventional calculation process of the entropy weight method.
- the equipment parameters mainly include cutter head thrust (F), cutter head torque (T), penetration (P), advance speed (R); rock mass parameter information includes rock mass uniaxial compressive strength , Rock integrity, rock hardness, rock wear resistance, rock quartz content, fault fracture zone, in-situ stress state, special rock-soil combination, groundwater, the angle between the direction of the dominant structural plane of the rock and the tunnel line ⁇ .
- the integrity of the rock is measured by the RQD value
- the hardness of the rock is measured by the specific work z
- the wear resistance of the rock is measured by the rock wear resistance index CAI
- the width of the fault fracture zone is measured by the width w to reflect the degree of influence
- the state of ground stress Measured by the stress index d the special rock-soil combination includes the granite alteration zone and the upper and lower soft and hard rocks.
- the strength difference ⁇ of the two rocks is used to measure the degree of influence
- the groundwater is expressed by the unit water influx q.
- a sample database of TBM excavation cycle equipment information and rock mass information is established, and the rock mass information sample database of the rising section of TBM excavation parameters is analyzed and calculated by the entropy method, and the weight of each rock mass information under different equipment conditions is obtained.
- the TBM tunneling cycle is divided into a parameter rising section and a parameter stable section.
- the weight of different rock mass information in the parameter rising section is calculated by the entropy weight method, and the rock-machine response law of the TBM parameter rising section is combined with the TBM rock-machine interaction mechanism.
- the optimal tunneling solution of the stable segment of TBM parameters is obtained.
- the entropy method is a method of assigning weights to indicators, and entropy can represent the effective amount of information displayed by the data. If the value of a certain index of the thing to be evaluated changes slightly, the entropy value is relatively high, which means that the amount of effective information given by this index is relatively small, and the weight is relatively low; otherwise, the opposite is true.
- the superiority of the entropy method is that it is an objective and objective weighting method, which greatly reduces the influence of human factors on the index weight; for the weighting of multiple evaluation objects, the entropy method can be applied only by one calculation
- the index weight for each evaluation object greatly simplifies the calculation process; the entropy method is used to weight the evaluation index to connect multiple evaluation objects, which reduces the impact of accidental situations and makes the evaluation results more reasonable.
- TBM related data study the dynamic interaction law of surrounding rock parameters-machine parameters during the TBM tunneling process, and establish a feedback model of tunnel surrounding rock parameters-TBM machine parameters. According to the obtained feedback model, it can be known that under certain surrounding rock conditions, The optimal tunneling speed of TBM.
- the dynamic interaction mechanism of rock-machine parameters is used to determine the convergence conditions under different equipment information states, and according to the convergence conditions, the improved quantum particle swarm method is used to obtain the optimal solution of the tunneling parameters of the TBM tunneling parameter stable section under different rock mass information conditions.
- the quantum particle swarm algorithm is a global optimization algorithm, that is, after mastering different rock mass information, through the TBM rock-machine interaction mechanism and the weight obtained by the entropy weight method, the quantum particle swarm algorithm can obtain the information in this kind of rock mass. Under the circumstances, the optimal tunneling speed of TBM.
- the quantum particle swarm algorithm is improved, which combines chaotic search, weighted update population optimal position center and neighborhood mutation.
- the use of chaos to initialize the population can effectively improve the initial population diversity and distribution balance.
- Improve the convergence speed and search accuracy of the algorithm use the weighted update of the optimal position center of the population to improve the population evolution method, which can effectively reduce the interference of lagging particles, enhance the guiding role of elite individuals in the population evolution, and improve the population search ability to accelerate convergence;
- the optimal individuals of the population mutate randomly within the narrow neighborhood range from generation to generation, and carry out a local refined search. If the fitness of the new individuals obtained by the mutation is improved, the global optimal individuals of the population before the mutation are directly replaced, otherwise random with a certain probability Replace individuals in the population.
- the optimal tunneling formula suitable for TBM tunneling is established. According to the tunneling formula, the feasibility of TBM tunneling is classified, and the TBM tunneling efficiency is predicted by combining the dynamic interaction mechanism of TBM rock-machine parameters.
- the optimal tunneling formula is mainly to have an overall grasp of the tunneling problem under a certain working condition, make an overall score, and then carry out the tunneling classification, according to different surrounding rock parameters in different regions, its tunneling feasibility Carry out classification, so as to give the best construction method and supporting structure design according to the feasibility of tunneling. And the basis for scientific management and correct evaluation of economic benefits, formulation of labor quotas, material consumption standards, etc., is of great significance.
- E is the total score of TBM's best tunneling. According to engineering practice and expert experience, the scores are classified to determine the tunneling grade of TBM tunnel. among them, For various equipment parameters, including cutter head thrust (F), cutter head torque (T), penetration (P), propulsion speed (R) score.
- F cutter head thrust
- T cutter head torque
- P penetration
- R propulsion speed
- the scoring formula for each equipment parameter is as follows:
- w i, w j, w k, w m for the right to use the rock parameter Entropy Method weight obtained under different parameters devices, e i, e j, e k, e m for the various parameters of rock
- n is the number of rock mass parameters.
- the embodiment of the present disclosure uses the TBM rock-machine parameter dynamic interaction mechanism as the theoretical basis to obtain TBM tunneling parameters, and collects and arranges the TBM machine parameters of the typical poor geological section (faults, sudden changes in lithology, water-rich rock mass, etc.) relying on the project. Including the data before, during and after TBM traverses the bad geological section, study the change law of the machine parameters of TBM traversing the bad geology.
- TBM machine parameter characterization method for bad geological tunnels with the best excavation efficiency as the criterion
- use entropy weight method and quantum particle swarm algorithm to establish a discriminant index system for different bad geological bodies, and analyze the bad geological discriminating index when the TBM passes through the bad geological section Change the law and characteristics, establish the advanced identification criterion of the bad geological body near the TBM, and realize the real-time advance identification and early warning of the bad geological body in the TBM tunneling process.
- This implementation example discloses a tunnel advancement prediction system based on the dynamic interaction mechanism of TBM rock-machine parameters, including:
- the database establishment unit is configured to: establish an equipment information sample database and a rock mass information sample database according to the dynamic interaction law of surrounding rock parameters and machine parameters in the TBM tunneling process;
- the rock mass information weight calculation unit is configured to analyze and calculate the rock mass information sample database of the ascending section of the TBM excavation parameters to obtain the weight of each rock mass information under different equipment conditions;
- the optimal solution calculation unit is configured to determine the convergence conditions under different equipment information states through the rock-machine parameter dynamic interaction mechanism, and obtain the optimal TBM excavation parameters in the stable section under different rock mass information conditions according to the convergence conditions solution;
- the prediction unit is configured to establish an optimal tunneling formula suitable for TBM tunneling through the obtained weight information and the optimal solution of the parameters of the tunneling stable section, and perform TBM tunneling feasibility classification according to the tunneling formula to predict the TBM tunneling efficiency.
- This embodiment example discloses a computer device, including a memory, a processor, and a computer program stored in the memory and capable of running on the processor.
- the feature is that the processor implements the above-mentioned The steps of the tunnel excavation prediction method based on the dynamic interaction mechanism of TBM rock-machine parameters.
- This embodiment example discloses a computer-readable storage medium on which a computer program is stored, which is characterized in that, when the program is executed by a processor, it realizes the aforementioned tunneling prediction based on the dynamic interaction mechanism of TBM rock-machine parameters. Method steps.
- the computer program product may include a computer-readable storage medium, which carries computer-readable program instructions for executing various aspects of the present disclosure.
- the computer-readable storage medium may be a tangible device that can hold and store instructions used by the instruction execution device.
- the computer-readable storage medium may be, for example, but not limited to, an electrical storage device, a magnetic storage device, an optical storage device, an electromagnetic storage device, a semiconductor storage device, or any suitable combination of the foregoing.
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Claims (10)
- 基于TBM岩-机参数动态交互机制的隧洞可掘进预测方法,其特征是,包括:根据TBM掘进过程中的围岩参数-机器参数动态交互规律,建立设备信息样本数据库及岩体信息样本数据库;对TBM掘进参数上升段的岩体信息样本数据库进行分析计算,得到不同设备状态条件下的各岩体信息权重;通过岩-机参数动态交互机制确定不同设备信息状态下的收敛条件,并根据此收敛条件得到不同岩体信息条件下TBM掘进参数稳定段掘进参数的最优解;通过得到的权重信息和掘进稳定段参数最优解,建立适用于TBM掘进的最佳掘进公式,根据该掘进公式进行TBM掘进可行性分级,对TBM掘进效率进行预测。
- 如权利要求1所述的基于TBM岩-机参数动态交互机制的隧洞可掘进预测方法,其特征是,TBM岩-机参数动态交互机制为TBM掘进过程中输出扭矩、转速、掘进速度、推进力机器参数和岩石的单轴抗压强度、岩石抗拉强度、岩石硬度、结构面间距、洞轴线与主要结构面夹角围岩参数之间的相关性。
- 如权利要求2所述的基于TBM岩-机参数动态交互机制的隧洞可掘进预测方法,其特征是,对TBM掘进参数上升段的岩体信息样本数据库进行分析计算,得到不同设备状态条件下的各岩体信息权重,所述各岩体信息权重通过熵权法计算获得。
- 如权利要求2所述的基于TBM岩-机参数动态交互机制的隧洞可掘进预测方法,其特征是,通过岩-机参数动态交互机制确定不同设备信息状态下的收敛条件,并根据此收敛条件利用改进的量子粒子群方法得到不同岩体信息条件下TBM掘进参数稳定段掘进参数的最优解。
- 如权利要求6所述的基于TBM岩-机参数动态交互机制的隧洞可掘进预 测方法,其特征是,对量子粒子群算法进行改进,结合混沌搜索、加权更新种群最优位置中心和邻域变异3个方面进行,利用混沌思想初始化种群;采用加权更新种群最优位置中心改进种群进化方式;对种群最优个体在逐代缩小的邻域范围内随机变异,开展局部精细化搜索,若变异得到的新个体适应度有所提升,则直接替换变异前种群全局最优个体,否则以一定概率随机替换种群中个体。
- 基于TBM岩-机参数动态交互机制的隧洞可掘进预测系统,其特征是,包括:数据库建立单元,被配置为:根据TBM掘进过程中的围岩参数-机器参数动态交互规律,建立设备信息样本数据库及岩体信息样本数据库;岩体信息权重计算单元,被配置为:对TBM掘进参数上升段的岩体信息样本数据库进行分析计算,得到不同设备状态条件下的各岩体信息权重;最优解计算单元,被配置为:通过岩-机参数动态交互机制确定不同设备信息状态下的收敛条件,并根据此收敛条件得到不同岩体信息条件下TBM掘进参数稳定段掘进参数的最优解;预测单元,被配置为:通过得到的权重信息和掘进稳定段参数最优解,建立适用于TBM掘进的最佳掘进公式,根据该掘进公式进行TBM掘进可行性分级,对TBM掘进效率进行预测。
- 一种计算机设备,包括存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序,其特征在于,所述处理器执行所述程序时实现权利要求1-7任一所述的基于TBM岩-机参数动态交互机制的隧洞可掘进预测方法的步骤。
- 一种计算机可读存储介质,其上存储有计算机程序,其特征在于,该 程序被处理器执行时实现权利要求1-7任一所述的基于TBM岩-机参数动态交互机制的隧洞可掘进预测方法的步骤。
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| CN113988113A (zh) * | 2021-09-17 | 2022-01-28 | 济南轨道交通集团有限公司 | 盾构掘进过程各阶段数据自动分离方法及计算机可读介质 |
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| Publication number | Publication date |
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| US20210209263A1 (en) | 2021-07-08 |
| CN109933577A (zh) | 2019-06-25 |
| CN109933577B (zh) | 2020-12-18 |
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