CN101499107A - Evaluation system for damage of urban underground gas ductwork caused by geological calamity - Google Patents
Evaluation system for damage of urban underground gas ductwork caused by geological calamity Download PDFInfo
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Abstract
The invention provides a system for evaluating danger caused by geologic hazard to city underground gas network which relates to the gas network danger evaluating technique field. The system solves problem of unable processing evaluation according with detail geological condition and unable combining city geologic hazard with network risk evaluation existed in underground gas pipeline risk evaluation system. A city history geological data module of the system is used for providing geological data and geologic hazard type; a network figure data module is used for providing a figure data of the city underground gas network; a geological hazard dangerous area subarea module is used for dividing the city underground gas network; a geological hazard evaluating module is used for processing danger degree evaluating to the geological hazard dangerous subarea; a weighing adjustable module is used for processing weighing adjustment to the danger degree evaluating result; an evaluation recording module is used for recording the danger degree evaluation result; an input/output background manage module is used for transmitting data and instruction between the user and the module. The system is suitable for evaluating danger of geologic hazard to the gas network.
Description
Technical field
The invention belongs to geologic hazard to gas ductwork hazard evaluation technical field, particularly relate to a kind of evaluating system that urban underground gas ductwork is worked the mischief by multiple geologic hazard.
Background technology
Along with the expansion and the renewal of urban underground gas ductwork, caused extensive concern as the gas ductwork risk management and the safety problem of one of municipal lifeline; Along with the continuous development of computer software, the risk management of pipe network assessed with the form of software become a kind of trend; Urban geology disasters that cause or association such as shake doughtily, freezing, the flood of sleet, rubble flow are increased, safety to city planting ductwork constitutes serious threat, consideration to geologic hazard in the safety assessment of pipeline network of fuel gas in city in the past is fewer, the geologic condition difference of different cities, disaster probability of happening, type and intensity etc. are all different.
At present, domestic research aspect pipe risk is primarily aimed at the oil-gas pipeline and the long-distance transport pipes in oil field, to the city to bury ground gas ductwork research fewer, all is the assessment technology of using for reference developed country mainly, be not suitable for China's national situation; Or the burn into third party destroyed etc. carry out the individual event evaluation, the harm with the urban geology disaster does not combine with the risk assessment of pipeline.
Summary of the invention
The present invention is for the problem that can not assess and the urban geology disaster not combined with the risk assessment of pipeline according to concrete geologic condition that solves that existing urban underground gas pipe risk system exists, thus the evaluating system that provides a kind of geologic hazard that urban underground gas ductwork is worked the mischief.
The evaluating system that geologic hazard works the mischief to urban underground gas ductwork, it comprises with lower unit:
Urban history geologic data module is used to inquire about, the geologic hazard type and the urban history geologic data information in the given city of modification system; Also be used for the editing system not geologic hazard type and the urban history geologic data information in given city;
Pipe network graph data module is used for graph data, gas ductwork attribute, subregion setting and the subregion evaluate recorded of the underground gas ductwork in the given city of inquiry system; Also be used for editing system not graph data, gas ductwork attribute, subregion setting and the subregion evaluate recorded of the underground gas ductwork in given city;
Geological hazard dangerous zoning module, be used for carrying out the geological hazard dangerous subregion, and obtain geological hazard dangerous subregion result according to the subregion setting and the subregion evaluate recorded of the urban underground gas ductwork in the urban history geologic data information of urban history geologic data module and geologic hazard type, the pipe network graph data module; The geological hazard dangerous subregion result who also is used for obtaining sends to address disaster hazard evaluation module;
Geologic hazard hazard evaluation module, each district that is used for the geological hazard dangerous subregion result that geological hazard dangerous zoning module obtained according to given assessment indicator system carries out the geologic hazard hazard evaluation, obtains the geologic hazard hazard evaluation result in each district; The geologic hazard hazard evaluation result who also is used for obtaining sends to evaluation recording module; Described geologic hazard hazard evaluation result is divided into Three Estate: dangerous big, dangerous neutralization is dangerous little, its standard value is according to No. 349 " hazards control regulations " relevant regulations of the State Council Decree that played execution on March 1st, 2004, and wherein super-huge and large-scale grade is merged into dangerous big standard;
The weight adjusting module, be used for the geologic hazard hazard evaluation result that geologic hazard hazard evaluation module obtains is adjusted, the method of adjusting is: by I/O Back Administration Module editing data or chart, carry out the geologic hazard hazard analysis according to these data or chart, and obtain expert's weight adjustment result; The geologic hazard hazard evaluation result who is used for that also geologic hazard hazard evaluation module is obtained carries out the assessment of single geologic hazard harm, and obtains single weight adjustment result; The expert's weight adjustment result and the single weight adjustment result that also are used for obtaining are stored in evaluation recording module;
Evaluation recording module is used to put down in writing the geologic hazard hazard evaluation result that geologic hazard hazard evaluation module obtains; Also be used to put down in writing expert's weight adjustment result and the single weight adjustment result that the weight adjusting module obtains; Also be used to inquire about geologic hazard hazard evaluation result; Also be used to export geologic hazard hazard evaluation result;
The I/O Back Administration Module is used for the data between urban history geologic data module, pipe network graph data module, geological hazard dangerous zoning module, geologic hazard hazard evaluation module, weight adjusting module and the evaluation recording module and the transmission of instruction.
Beneficial effect: the present invention is on existing urban underground gas ductwork safety assessment technical foundation, at the different cities geologic hazard geological hazard dangerous assessment is carried out in the harm of gas ductwork, and native system has following characteristics:
1., native system can estimate the harm of the different geologic hazard in each city to underground gas ductwork, for the formulation and the risk management of prediction scheme provides the effect technique support;
2., the main geology disaster data initial value that the present invention relates to investigate input provides, and available modification, unclear data can select big value or little value to simulate assessment according to subjective impression, the geologic information in a plurality of cities can be set in the system, direct query assessment result, also can do certain modification, adjust weights, user-friendly;
3., system of the present invention can satisfy different potential users' request for utilization, the function of system when using, the user can be set easily, increase or the deletion evaluate recorded, self-defined hazard evaluation factor and adjust the weight of different geologic hazards, thus satisfy user's demand to greatest extent.
Description of drawings
Fig. 1 is a system architecture synoptic diagram of the present invention.
Embodiment
Embodiment one: the evaluating system that the geologic hazard of present embodiment works the mischief to urban underground gas ductwork comprises with lower unit:
Urban history geologic data module 1 is used to inquire about, the geologic hazard type and the urban history geologic data information in the given city of modification system; Also be used for the editing system not geologic hazard type and the urban history geologic data information in given city; The urban geology data comprise: urban groundwater position, annual precipitation, soil property classification and seismic zone of living in position.Urban geology disaster type comprises: earthquake, land subsidence and subside, rubble flow and sand liquefaction.
Pipe network graph data module 2 is used for graph data, gas ductwork attribute, subregion setting and the subregion evaluate recorded of the underground gas ductwork in the given city of inquiry system; Also be used for editing system not graph data, gas ductwork attribute, subregion setting and the subregion evaluate recorded of the underground gas ductwork in given city; The urban underground gas ductwork attribute comprises average tube footpath, on average buried, tubular mesh shape, Gas Pipe Years Of Service, supply gas pressure and Gas Pipe material.
Geological hazard dangerous zoning module 3, be used for carrying out the geological hazard dangerous subregion, and obtain geological hazard dangerous subregion result according to the subregion setting and the subregion evaluate recorded of the urban underground gas ductwork in the urban history geologic data information of urban history geologic data module 1 and geologic hazard type, the pipe network graph data module 2; The principle of geological hazard dangerous subregion is: the sub-district of supplying with combustion gas with the ventilation station is that pre-subregion is carried out on the basis, and obtains pre-subregion result; Adjust according to the urban history geologic data in each district during the urban underground gas ductwork subregion is provided with in the pipe network graph data module 2 result to pre-subregion, the adjustment way is: the sub-district identical to geologic condition merges processing again; To the different situation of the residing geologic condition in same sub-district, two subzones are carried out in described sub-district according to the index of dissimilar geologic hazard hazard evaluations;
The geological hazard dangerous subregion result who also is used for obtaining sends to address disaster hazard evaluation module 4;
Geologic hazard hazard evaluation module 4, each district that is used for the geological hazard dangerous subregion result that geological hazard dangerous zoning module 3 obtained according to given assessment indicator system carries out the geologic hazard hazard evaluation, obtains the geologic hazard hazard evaluation result in each district; The described assessment indicator system of present embodiment comprises: urban history geologic hazard distribution density, urban history geologic hazard scale, zone of fracture structure distribution density, earthquake peak accelerator, city ground soil property structure, city topographical elevation difference, the urban ground gradient, average rainfall, river and cheuch development degree, urban forests vegetation and afforestation coverage rate, karst collapse active level and human activity for many years.The geologic hazard hazard evaluation result who also is used for obtaining sends to evaluation recording module 6; Described geologic hazard hazard evaluation result is divided into Three Estate: dangerous big, dangerous neutralization is dangerous little, its standard value is according to No. 349 " hazards control regulations " relevant regulations of the State Council Decree that played execution on March 1st, 2004, and wherein super-huge and large-scale grade is merged into dangerous big standard;
Evaluation recording module 6 is used to put down in writing the geologic hazard hazard evaluation result that geologic hazard hazard evaluation module 4 obtains; Also be used to put down in writing expert's weight adjustment result and the single weight adjustment result that weight adjusting module 5 obtains; Also be used to inquire about geologic hazard hazard evaluation result; Also be used to export geologic hazard hazard evaluation result;
I/O Back Administration Module 7 is used for the data between urban history geologic data module 1, pipe network graph data module 2, geological hazard dangerous zoning module 3, geologic hazard hazard evaluation module 4, weight adjusting module 5 and the evaluation recording module 6 and the transmission of instruction.
Present embodiment is in conjunction with the concrete geologic condition in China city, set up the hazard evaluation system of multiple geologic hazard to underground gas ductwork, for realizing that different geologic hazards have corresponding prediction scheme to provide the effect technique support to the different cities gas ductwork, become passive emergency processing and be hazard evaluation pattern initiatively.According to Fig. 1 each module of present embodiment is elaborated:
Urban history geologic data module 1: realize the geologic condition in city is gathered investigation, system user can add the urban history geologic hazard type or revise the urban geology data by I/O Back Administration Module 7 according to the actual conditions in this city in urban history geologic data module 1.Main several urban geology disaster types and the geologic data of China provides, and the user can do suitable modification; The city that nonsystematic is given can self-definedly be imported, and to unclear data item or geologic hazard type, can get big value or little value is carried out Pre-Evaluation, and the weight of assessment result is adjusted correction, obtains realistic assessment form.According to the difference of geologic data classification, specifically can be subdivided into input of urban geology disaster type and urban geology data again and add, concrete function is as follows:
The input of urban geology disaster type: urban history geologic hazard type questionnaire is provided, historical geologic hazard situation is investigated, do not have historical geologic hazard data and can not fill in, assessment is selected automatically according to minimum value by system; Urban history geologic data on the books should be filled in item by item, system can assess chief city's geologic hazard assessment algorithm, can self-defined assessment algorithm to non-common urban geology disaster, or with main several geologic hazards mutually analogy get certain scale-up factor and assess.
The urban geology data are added: the urban geology tables of data is provided, can add the urban geology data, geologic data comprises urban groundwater position, annual precipitation, soil property classification, seismic zone of living in position etc., comprehensive judge the probability that various geologic hazards take place, for different geologic hazards for referencial use to the weight of urban underground gas ductwork hazard evaluation.
Pipe network graph data module 2: CAD is provided pattern manipulation interface, the user can be by the urban underground gas ductwork graph data of storage in the I/O Back Administration Module 7 inquiry urban history geologic data modules 1, check subregion setting and corresponding evaluate recorded, to there not being the city of underground gas ductwork figure, can draw and be provided with the attribute of underground gas ductwork voluntarily, set the partition information of underground gas ductwork, provide visual graphical interfaces can supply inquiry, can also edit underground gas ductwork subregion simultaneously, realize the output of underground gas ductwork graph data.
Geological hazard dangerous zoning module 3: the urban underground gas ductwork partition method is provided, geologic data according to urban history geologic data module 1, read underground gas ductwork region data, carry out pre-subregion setting, also can carry out pre-subregion for the sub-district of supplying with combustion gas by heat exchange station by I/O Back Administration Module 7 people, the sub-district of identical geologic condition merges processing, same sub-district residing soil property classification difference, or the elevation difference is bigger etc., and situation is then carried out two subzones as the case may be, after finishing subregion, the geologic hazard type of each subregion of integrated survey and probability, different geologic hazards adopt different algorithms to carry out hazard evaluation.Different geologic hazards is to the extent of injury difference of underground gas ductwork, the foundation of subregion also is not quite similar, and for same seat city, considers that subregion causes the program complexity to be difficult to resolve too much, set the subregion upper limit, subregion is carried out according to the minimum geologic hazard of harm subregion, in the same subregion in the city that surpasses the upper limit, take just heavy not with regard to light method, get the geologic hazard of probability maximum and assess, the multiple geologic hazard that probability is more or less the same considers that their correlativity is carried out the association assessment.
Geologic hazard hazard evaluation module 4: be provided with earthquake harm algorithm, land subsidence and the existing algoritic modules such as endangering algorithm, rubble flow harm algorithm, sand liquefaction harm algorithm that subsides, be used for each subregion that geological hazard dangerous zoning module 3 is divided is assessed according to given assessment indicator system, danger degree evaluation result is stored in the evaluation recording module 6.Geologic hazard the corresponding geological feature arranged, assessment algorithm calculates according to the average data of history, if geologic data presents linear progressive relationship, then get the extreme value of nearest historical data, geologic hazard has the relevant evaluating index system to the hazard evaluation algorithm of urban underground gas ductwork.
Evaluation index comprises urban history geologic hazard distribution density, urban history geologic hazard scale, zone of fracture structure distribution density, earthquake peak accelerator, city ground soil property structure, the city topographical elevation difference, the urban ground gradient, average rainfall, river and cheuch development degree, urban forests vegetation and afforestation coverage rate, karst collapse active level, human activity for many years.The weight of evaluation index adopts analytical hierarchy process to determine, by the importance between definite two factors of factor contrast in twos, construct factor discrimination matrix relatively in twos, and carry out consistency check, successively more multiple again relation factor, the weight allocation of determining each factor is at last also quantized, and data are carried out normalized, edit by 7 pairs of evaluation index weights of I/O Back Administration Module.
Geological hazard dangerous is divided into the dangerous little Three Estate of dangerous big, dangerous neutralization, the evaluation index boundary also is divided into Three Estate by its situation, the reference value of the grade of each desired value is according to relevant specification, standard, provide in conjunction with the research actual conditions, for the index of qualitative description, artificial assignment is assessed its quantification.Determine the classical territory of geologic hazard hazard evaluation grade according to opening up the judge method, again according to carrying out each index evaluation in the actual index substitution class set of each class requirement with zone to be evaluated, the first step is determined the degree of association of each evaluation index and grade of all categories, second step was determined the degree of association that waits inter-stage of all categories, obtained geologic hazard hazard evaluation result by the level evaluation calculating formula at last.Geologic hazard hazard evaluation result compares by the degree of association size of it and each class set, and the degree of association is big more, and it and certain class set matching degree are good more.
Weight adjusting module 5: provide geologic hazard to endanger adjustment of expert's weight and single geologic hazard weight adjustment function, by 7 inquiries of I/O Back Administration Module or editor's data, assist and carry out the geologic hazard hazard analysis, concrete function is as follows:
Expert's weight is adjusted: the user can obtain definite data or chart from expert or particular study mechanism, carry out the adjustment of geologic hazard harm weight, as bigger earthquake is arranged on the urban history, the stratum gathers strength and is released, in a short time earthquake probability and intensity all weaken to some extent, can weight value of turning down of earthquake disaster be assessed according to expertise.
Single geologic hazard weight is adjusted: the urban geology disaster has multiple, comprise common with non-common, to the evaluate recorded result, the user can be as required, it is 1 that single geologic hazard weight is set, and all the other geologic hazard weights are 0 limiting case, checks the hazard evaluation result of certain geologic hazard to urban underground gas ductwork, particularly, analyze targetedly for the geologic hazard of weight maximum.
At last weight being adjusted the result is stored in the evaluation recording module 6.
Evaluation recording module 6: be provided with functions such as graphing capability, query function, result's demonstration, result's printing, form production, Excel interface, each subregion is carried out risk assessment, can note the evaluate recorded of relevant this subregion in the database, be provided with the usefulness of post analysis.The user can select corresponding evaluate recorded to inquire about, and evaluate recorded is added, deletes, revises, preserved, operations such as renewal by the input partition number.Simultaneously the user can also analyze the evaluate recorded of lane database, for the formulation of corresponding prediction scheme provides reference.
I/O Back Administration Module 7: be provided with data modification, data deletion, data query, data analysis function, be mainly used in user's administering and maintaining to the database data on some system backstages, the record of evaluation is managed timely and effectively, and data are analyzed, obtain being used for the information of aid decision making.
The system data of present embodiment can be divided into spatial data and non-space data, and the general data table that system database comprises has urban geology disaster type questionnaire, urban geology data interpolation table, geologic hazard algorithm assessment indicator system table, geologic hazard weight adjustment form, geologic hazard hazard evaluation record sheet.
System data of the present invention has interchangeability, the data layout of choice criteria in the system design process, and the convenient Data Format Transform instrument that uses of design, realize sharing between system data and other database data, the variation of different cities data is done to calculate after the normalized, in addition as far as possible for convenience, data after the system handles can be with the output of several data form, as form, Excel etc.
Embodiment two: this embodiment and embodiment one described geologic hazard are the difference of the evaluating system that urban underground gas ductwork works the mischief, it also comprises user management module 8, the data that described user management module 8 is used to revise password, increases user, initialization geologic data module 1, pipe network graph data module 2, geological hazard dangerous zoning module 3, geologic hazard hazard evaluation module 4, weight adjusting module 5 and evaluation recording module 6.
Embodiment three: this embodiment is used the embodiment two system, and is equipped with concrete parameter declaration the present invention: with the regions in Harbin City is example, and the rubble flow harm of regions in Harbin City is assessed.
The urban history geologic data and the disaster type of input Harbin City in urban history geologic data module 1:
Urban geology data: temperature on average: 5 ℃; The highest temperature: 38.7 ℃; The lowest temperature :-35 ℃; Maximum depth of frozen ground: 1.9m; Average precipitation: 550mm; Odd-numbered day maximum precipitation: 168mm; Underground water table: 3m; Zone of fracture: do not have; Soil property classification: yellow clay; Seismic zone: do not have; Geologic feature: region of no relief; Geology accekeration: 0.15g;
Urban history geologic hazard type: geologic hazard title: rubble flow; Frequency: 5; Generation area: southwest, city; The last time of origin: in 1 year; The last generation scale: 2.4*10
4m
3The most serious time of origin: before 5 years; The most serious scale: the 4.5*10 that once takes place
4m
3
Import Harbin urban underground gas ductwork attributes to pipe network graph data module 2:
Average caliber: 150mm; On average buried: 1.4m; Tubular mesh shape: ring-type; Years Of Service: 15 years; Supply gas pressure: 1.0mPa; Pipe material: cast carbon steel;
In geologic hazard harmfulness zoning module 3, the Harbin underground gas ductwork is divided into 5 districts according to Harbin City's geologic data, geologic hazard type and urban underground gas ductwork data.
In geologic hazard hazard evaluation module 4, carry out the rubble flow risk assessment respectively according to each district to Harbin City's underground gas ductwork:
Rubble flow hazard evaluation index: rubble flow activity scale: 2.4m
3The rubble flow frequency: 1.4 times/100 years; Rubble flow dot density: 0.9/100km
2Degree of rock weathering coefficient: 0.2; Zone of fracture density: 0km/km^2; Relative relief: 30m; The gradient is more than or equal to 25 ° hillside fields area occupation ratio: 12.5%; Flood season average rainfall: 379mm; Vegetation coverage: 45%; Rainfall amount is more than or equal to the average number of days of the heavy rain of 50mm: 1.4 days; Mankind's activity degree: 0.45;
The fragile index of pipeline network of fuel gas in city: average caliber: 150mm; On average buried: 1.4m; Tubular mesh shape: ring-type; Years Of Service: 15 years; Supply gas pressure: 1.0mPa; Pipe material: cast carbon steel;
The rubble flow hazard evaluation is noted down in evaluation recording module 6.
In the weight adjusting module, carry out weight adjustment (number percent is changed into decimal): rubble flow activity scale: 0.055 according to the rubble flow risk assessment that obtains; The rubble flow frequency: 0.059; Rubble flow dot density: 0.57; Degree of rock weathering coefficient: 0.045; Zone of fracture density: 0.039; Relative relief: 0.043; The gradient is more than or equal to 25 ° of hillside fields area occupation ratios 0.037; Flood season average rainfall: 0.042; Vegetation coverage: 0.028; Rainfall amount is more than or equal to the average number of days of the heavy rain of 50mm: 0.041; Mankind's activity degree: 0.029
Pipe network vulnerability index weight: average caliber: 0.075; On average buried: 0.100; Tubular mesh shape: 0.025; Years Of Service: 0.150; Supply gas pressure: 0.125; Pipe material: 0.050;
Utilization can be opened up the judge method and be determined each evaluation of indexes grade threshold, and rubble flow activity scale is divided into basic, normal, high dangerous Three Estate, is respectively less than 5 (10
4m
3), 5～30 (10
4m
3), greater than 30 (10
4m
3), data normalization is 0～0.091,0.091～0.545,0.545～1 after handling.
This is adjusted the result deposits in the evaluation recording module 6.
In evaluation recording module 6, obtain geologic hazard to Harbin underground gas ductwork hazard evaluation result, see the following form:
| Dangerous zoning | Danger classes I | Danger classes II | Danger classes III | Most relevance degree value | Affiliated grade | Eigenvalue of maximum |
| Subregion 1 | -0.213 | 0.195 | -0.274 | 0.195 | II | 2.105 |
| |
0.793 | -0.39 | -0.378 | 0.791 | I | 1.383 |
| Subregion 3 | -0.238 | 0.209 | -0.391 | 0.209 | II | 2.419 |
| Subregion 4 | -0.189 | -0.15 | -0.292 | -0.15 | II | 1.849 |
| Subregion 5 | -0.367 | -0.349 | -0.366 | -0.349 | II | 1.932 |
Claims (7)
1, geologic hazard is characterized in that to the evaluating system that urban underground gas ductwork works the mischief it comprises with lower unit:
Urban history geologic data module (1) is used to inquire about, the geologic hazard type and the urban history geologic data information in the given city of modification system; Also be used for the editing system not geologic hazard type and the urban history geologic data information in given city;
Pipe network graph data module (2) is used for graph data, gas ductwork attribute, subregion setting and the subregion evaluate recorded of the underground gas ductwork in the given city of inquiry system; Also be used for editing system not graph data, gas ductwork attribute, subregion setting and the subregion evaluate recorded of the underground gas ductwork in given city;
Geological hazard dangerous zoning module (3), be used for carrying out the geological hazard dangerous subregion, and obtain geological hazard dangerous subregion result according to the subregion setting and the subregion evaluate recorded of the urban underground gas ductwork in the urban history geologic data information of urban history geologic data module (1) and geologic hazard type, the pipe network graph data module (2); The geological hazard dangerous subregion result who also is used for obtaining sends to address disaster hazard evaluation module (4);
Geologic hazard hazard evaluation module (4), each district that is used for the geological hazard dangerous subregion result that geological hazard dangerous zoning module (3) obtained according to given assessment indicator system carries out the geologic hazard hazard evaluation, obtains the geologic hazard hazard evaluation result in each district; The geologic hazard hazard evaluation result who also is used for obtaining sends to evaluation recording module (6);
Weight adjusting module (5), be used for the geologic hazard hazard evaluation result that geologic hazard hazard evaluation module (4) obtains is adjusted, the method of adjusting is: by I/O Back Administration Module (7) editing data or chart, carry out the geologic hazard hazard analysis according to these data or chart, and obtain expert's weight adjustment result; Also be used for the geologic hazard hazard evaluation result that geologic hazard hazard evaluation module (4) obtains is carried out the assessment of single geologic hazard harm, and obtain single weight adjustment result; The expert's weight adjustment result and the single weight adjustment result that also are used for obtaining are stored in evaluation recording module (6);
Evaluation recording module (6) is used to put down in writing the geologic hazard hazard evaluation result that geologic hazard hazard evaluation module (4) obtains; Also be used to put down in writing expert's weight adjustment result and the single weight adjustment result that weight adjusting module (5) obtains; Also be used to inquire about geologic hazard hazard evaluation result; Also be used to export geologic hazard hazard evaluation result;
I/O Back Administration Module (7) is used for the data between urban history geologic data module (1), pipe network graph data module (2), geological hazard dangerous zoning module (3), geologic hazard hazard evaluation module (4), weight adjusting module (5) and the evaluation recording module (6) and the transmission of instruction.
2, geologic hazard according to claim 1 is characterized in that the urban geology data described in the urban history geologic data module (1) comprise: urban groundwater position, annual precipitation, soil property classification and seismic zone of living in position to the evaluating system that urban underground gas ductwork works the mischief;
Urban geology disaster type described in the urban history geologic data module (1) comprises: earthquake, land subsidence and subside, rubble flow and sand liquefaction.
3, geologic hazard according to claim 1 is to the evaluating system that urban underground gas ductwork works the mischief, and it is characterized in that the urban underground gas ductwork attribute described in the pipe network graph data module (2) comprises average tube footpath, on average buried, tubular mesh shape, Gas Pipe Years Of Service, supply gas pressure and Gas Pipe material.
4, geologic hazard according to claim 1 evaluating system that urban underground gas ductwork is worked the mischief, the principle that it is characterized in that the geological hazard dangerous subregion of geological hazard dangerous zoning module (3) is: the sub-district of supplying with combustion gas with the ventilation station is that pre-subregion is carried out on the basis, and obtains pre-subregion result; The urban history geologic data in each district in being provided with according to urban underground gas ductwork subregion in the pipe network graph data module (2) is again adjusted pre-subregion result, and the adjustment way is: the sub-district identical to geologic condition merges processing; To the different situation of the residing geologic condition in same sub-district, two subzones are carried out in described sub-district according to the index of dissimilar geologic hazard hazard evaluations.
5, geologic hazard according to claim 1 is characterized in that to the evaluating system that urban underground gas ductwork works the mischief the assessment indicator system in the geologic hazard hazard evaluation module (4) comprises: urban history geologic hazard distribution density, urban history geologic hazard scale, zone of fracture structure distribution density, earthquake peak accelerator, city ground soil property structure, city topographical elevation difference, the urban ground gradient, average rainfall, river and cheuch development degree, urban forests vegetation and afforestation coverage rate, karst collapse active level and human activity for many years.
6, geologic hazard according to claim 1 is characterized in that to the evaluating system that urban underground gas ductwork works the mischief geologic hazard hazard evaluation result is divided into Three Estate described in the geologic hazard hazard evaluation module (4): dangerous big, dangerous neutralization is dangerous little.
7, geologic hazard according to claim 1 evaluating system that urban underground gas ductwork is worked the mischief, it is characterized in that, it also comprises user management module (8), the data that described user management module (8) is used to revise password, increases user, initialization urban history geologic data module (1), pipe network graph data module (2), geological hazard dangerous zoning module (3), geologic hazard hazard evaluation module (4), weight adjusting module (5) and evaluation recording module (6).
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| CN111932120A (en) * | 2020-08-11 | 2020-11-13 | 安徽泽众安全科技有限公司 | Method and system for evaluating explosion risk of gas pipe network leakage under geological disaster |
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| CN110705910A (en) * | 2019-10-16 | 2020-01-17 | 中国地质调查局西安地质调查中心 | Geological disaster evaluation method, device, storage medium, server and system |
| CN111915131A (en) * | 2020-06-23 | 2020-11-10 | 北京理工大学 | Gas pipeline protection method and device, electronic equipment and storage medium |
| CN111932120A (en) * | 2020-08-11 | 2020-11-13 | 安徽泽众安全科技有限公司 | Method and system for evaluating explosion risk of gas pipe network leakage under geological disaster |
| CN111932120B (en) * | 2020-08-11 | 2021-11-30 | 安徽泽众安全科技有限公司 | Method and system for evaluating explosion risk of gas pipe network leakage under geological disaster |
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