CN103217953B - Concrete dam temperature controlled anticracking intelligent monitor system and method - Google Patents
Concrete dam temperature controlled anticracking intelligent monitor system and method Download PDFInfo
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- CN103217953B CN103217953B CN201310092196.7A CN201310092196A CN103217953B CN 103217953 B CN103217953 B CN 103217953B CN 201310092196 A CN201310092196 A CN 201310092196A CN 103217953 B CN103217953 B CN 103217953B
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Abstract
The application discloses a kind of construction progress accelerating concrete dam, meet complicated construction and the concrete dam temperature controlled anticracking intelligent monitor system of environmental baseline, comprise the Concrete Temperature Control information acquisition unit connected successively, Concrete Temperature Control information controls to implement assessment unit with temperature control, concrete temperature stress simulation analysis and back analysis unit, concrete cracking risk real-time early warning unit, Concrete Temperature Control anticracking feeds back and automatically intervenes unit, by Concrete Temperature Control information acquisition unit Real-time Collection Temperature-control Monitoring data message, control to implement assessment unit with temperature control by Concrete Temperature Control information to store Temperature-control Monitoring data message, control, share and assessment, calculate through concrete temperature stress simulation analysis and back analysis unit, and in conjunction with concrete cracking risk real-time early warning information, fed back by Concrete Temperature Control anticracking and automatically intervene unit and on-the-spot temperature control measures is intervened, revise and adjustment.Additionally provide the method utilizing this system.
Description
Technical field
The invention belongs to the technical field of Hydraulic and Hydro-Power Engineering, relate to a kind of concrete dam temperature controlled anticracking intelligent monitor system particularly, additionally provide the method utilizing this concrete dam temperature controlled anticracking intelligent monitor system.
Background technology
Mass concrete is widely used in water conservancy and hydropower, transferring electricity from the west to the east and the infrastructure construction of traffic energy, particularly concrete dam is more widely used, but Volume Concrete Cracks problem long-standing problem engineering construction person, and the phenomenon especially " do not split without dam " exists at engineering circles always.Concrete dam belongs to great hydraulic engineering, once structure produces crack, occurs safety problem, and consequence is serious, affects very huge, and therefore prevent should to put prevention first for Concrete Dam Crack.
Along with the development of science and technology, a large amount of temperature control information acquisition instruments has all been buried underground in the process of construction of current concrete dam, guarantee outlet temperature, placing temperature, the water flowing cooling data such as information and concrete internal temperature enter database in real time and carry out unified management, achieve temperature control information visuallization; According to the Temperature-control Monitoring data of Real-time Collection, entry evaluation is carried out to the temperature control measures implementation of conditions of dam and implementation result, grasp the basic status of concrete dam, but the temperature control scientific research personnel that this needs professional standards higher, and on-the-spot tracking Scientific Research Service is provided, real-time grasp dam temperature control situation, the temperature control measures of bigger difference can be had to adjust, revise and risk assessment according to dam actual conditions pair and design conditions, this limits the rapid construction of dam to a certain extent, can not meet China's high dam construction needs of construction and environmental baseline complexity at present.
Summary of the invention
Technology of the present invention is dealt with problems and is: overcome the deficiencies in the prior art, provides a kind of and can accelerate the construction progress of concrete dam, the satisfied construction of complexity and the concrete dam temperature controlled anticracking intelligent monitor system of environmental baseline.
Technical solution of the present invention is: this concrete dam temperature controlled anticracking intelligent monitor system, comprise the Concrete Temperature Control information acquisition unit connected successively, Concrete Temperature Control information controls to implement assessment unit with temperature control, concrete temperature stress simulation analysis and back analysis unit, concrete cracking risk real-time early warning unit, Concrete Temperature Control anticracking feeds back and automatically intervenes unit, by the Temperature-control Monitoring data message of Concrete Temperature Control information acquisition unit Real-time Collection concrete dam, control to implement assessment unit with temperature control by Concrete Temperature Control information to store Temperature-control Monitoring data message, control, share and assessment, calculate through concrete temperature stress simulation analysis and back analysis unit again, and in conjunction with the concrete cracking risk real-time early warning information of concrete cracking risk real-time early warning unit, fed back by Concrete Temperature Control anticracking and automatically intervene unit and on-the-spot temperature control measures is intervened, revise and adjustment.
Additionally provide the method utilizing this concrete dam temperature controlled anticracking intelligent monitor system, comprise the following steps:
(1) according to the demand of construction with monitoring information, Temperature-control Monitoring data message is collected by Concrete Temperature Control information acquisition unit;
(2) according to the requirement of site operation quality control, control to implement assessment unit with temperature control by Concrete Temperature Control information manage and share Temperature-control Monitoring data message, realize dam digitizing, and according to temperature control designing requirement, entry evaluation is carried out to temperature control real-time condition;
(3) according to on-site actual situations, simulation analysis and the back analysis of concrete temperature field and stress field is carried out by concrete temperature stress simulation analysis and back analysis unit, grasp the concrete temperature under current temperature-controlled conditions and stress situation, carry out the interpretation and application of temperature field and temperature stress according to construction casting plan, for cracking risk early warning and Construction Decision lay the foundation simultaneously;
(4) according to real-time temperature control Monitoring Data information and simulation analysis result determination cracking risk, by concrete cracking risk real-time early warning unit, real-time early warning is carried out to concrete cracking risk;
(5) based on real-time temperature control Monitoring Data information, simulation analysis result and early warning information, fed back by Concrete Temperature Control anticracking and automatically intervene unit calculate needed for water flowing water temperature and flow.
Temperature-control Monitoring data message can be grasped in real time owing to adopting Concrete Temperature Control information acquisition unit, ensure that promptness and the accuracy of outlet temperature, placing temperature, concrete internal temperature and the data such as water flowing flow and temperature, for the assessment of temperature control implementation result is laid a good foundation; Concrete temperature stress simulation analysis and back analysis unit both can grasp Current Temperatures and the stress state of concrete dam by engineering construction person, also can predict concrete temperature and stress; Concrete cracking risk real-time early warning unit can carry out prediction and warning to the cracking risk at each position of concrete dam, comprises the information such as maximum temperature, cooling extent, rate of temperature fall, the basic temperature difference and internal-external temperature difference, applied widely; Concrete Temperature Control anticracking feedback and automatically intervention unit are revised temperature control measures according to concrete dam actual conditions, are adjusted timely and accurately, time saving and energy saving; Thus the construction progress of concrete dam, the construction meeting complexity and environmental baseline can be accelerated.
Accompanying drawing explanation
Fig. 1 is the structural representation of concrete dam temperature controlled anticracking intelligent monitor system of the present invention;
Fig. 2 is the structural representation of Concrete Temperature Control information acquisition unit of the present invention;
Fig. 3 is Concrete Temperature Control anticracking of the present invention feedback and the structural representation of automatically intervening unit.
Embodiment
As shown in Figure 1, this concrete dam temperature controlled anticracking intelligent monitor system, comprise the Concrete Temperature Control information acquisition unit (being called Concrete Temperature Control information acquisition system in figure) connected successively, Concrete Temperature Control information controls to implement assessment unit with temperature control, concrete temperature stress simulation analysis and back analysis unit, concrete cracking risk real-time early warning unit, Concrete Temperature Control anticracking feeds back and automatically intervenes unit, by the Temperature-control Monitoring data message of Concrete Temperature Control information acquisition unit Real-time Collection concrete dam, control to implement assessment unit with temperature control by Concrete Temperature Control information to store Temperature-control Monitoring data message, control, share and assessment, calculate through concrete temperature stress simulation analysis and back analysis unit again, and in conjunction with the concrete cracking risk real-time early warning information of concrete cracking risk real-time early warning unit, fed back by Concrete Temperature Control anticracking and automatically intervene unit and on-the-spot temperature control measures is intervened, revise and adjustment.
Preferably, as shown in Figure 2, Concrete Temperature Control information acquisition unit comprises temperature sensor, data cable, temperature test registering instrument, wireless communication apparatus, power supply and waterproofing protection parts.
Preferably, Concrete Temperature Control information controls to implement assessment unit with temperature control and comprises on-site wireless and transmit base station, cable network, server.
Preferably, concrete dam temperature controlled anticracking intelligent monitor system also comprises control water flowing subsystem automatically.
Additionally provide the method utilizing this concrete dam temperature controlled anticracking intelligent monitor system, comprise the following steps:
(1) according to the demand of construction with monitoring information, Temperature-control Monitoring data message is collected by Concrete Temperature Control information acquisition unit;
(2) according to the requirement of site operation quality control, control to implement assessment unit with temperature control by Concrete Temperature Control information manage and share Temperature-control Monitoring data message, realize dam digitizing, and according to temperature control designing requirement, entry evaluation is carried out to temperature control real-time condition;
(3) according to on-site actual situations, simulation analysis and the back analysis of concrete temperature field and stress field is carried out by concrete temperature stress simulation analysis and back analysis unit, grasp the concrete temperature under current temperature-controlled conditions and stress situation, carry out the interpretation and application of temperature field and temperature stress according to construction casting plan, for cracking risk early warning and Construction Decision lay the foundation simultaneously;
(4) according to real-time temperature control Monitoring Data information and simulation analysis result determination cracking risk, by concrete cracking risk real-time early warning unit, real-time early warning is carried out to concrete cracking risk;
(5) based on real-time temperature control Monitoring Data information, simulation analysis result and early warning information, fed back by Concrete Temperature Control anticracking and automatically intervene unit calculate needed for water flowing water temperature and flow.
Preferably, the method is further comprising the steps of:
(6) carry out intelligent water communication by automatically controlling water flowing subsystem, thus on-the-spot temperature control measures is intervened, revises and adjusted.
Temperature-control Monitoring data message can be grasped in real time owing to adopting Concrete Temperature Control information acquisition unit, ensure that promptness and the accuracy of outlet temperature, placing temperature, concrete internal temperature and the data such as water flowing flow and temperature, for the assessment of temperature control implementation result is laid a good foundation; Concrete temperature stress simulation analysis and back analysis unit both can grasp Current Temperatures and the stress state of concrete dam by engineering construction person, also can predict concrete temperature and stress; Concrete cracking risk real-time early warning unit can carry out prediction and warning to the cracking risk at each position of concrete dam, comprises the information such as maximum temperature, cooling extent, rate of temperature fall, the basic temperature difference and internal-external temperature difference, applied widely; Concrete Temperature Control anticracking feedback and automatically intervention unit are revised temperature control measures according to concrete dam actual conditions, are adjusted timely and accurately, time saving and energy saving; Thus the construction progress of concrete dam, the construction meeting complexity and environmental baseline can be accelerated.
The above; it is only preferred embodiment of the present invention; not any pro forma restriction is done to the present invention, every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all still belong to the protection domain of technical solution of the present invention.
Claims (6)
1. concrete dam temperature controlled anticracking intelligent monitor system, it is characterized in that: it comprises the Concrete Temperature Control information acquisition unit connected successively, Concrete Temperature Control information controls to implement assessment unit with temperature control, concrete temperature stress simulation analysis and back analysis unit, concrete cracking risk real-time early warning unit, Concrete Temperature Control anticracking feeds back and automatically intervenes unit, by the Temperature-control Monitoring data message of Concrete Temperature Control information acquisition unit Real-time Collection concrete dam, control to implement assessment unit with temperature control by Concrete Temperature Control information to store Temperature-control Monitoring data message, control, share and assessment, calculate through concrete temperature stress simulation analysis and back analysis unit again, and in conjunction with the concrete cracking risk real-time early warning information of concrete cracking risk real-time early warning unit, fed back by Concrete Temperature Control anticracking and automatically intervene unit and on-the-spot temperature control measures is intervened, revise and adjustment.
2. concrete dam temperature controlled anticracking intelligent monitor system according to claim 1, is characterized in that: Concrete Temperature Control information acquisition unit comprises temperature sensor, data cable, temperature test registering instrument, wireless communication apparatus, power supply and waterproofing protection parts.
3. concrete dam temperature controlled anticracking intelligent monitor system according to claim 2, is characterized in that: Concrete Temperature Control information controls to implement assessment unit with temperature control and comprises on-site wireless and transmit base station, cable network, server.
4. concrete dam temperature controlled anticracking intelligent monitor system according to claim 1, is characterized in that: concrete dam temperature controlled anticracking intelligent monitor system also comprises control water flowing subsystem automatically.
5. utilize the method for concrete dam temperature controlled anticracking intelligent monitor system according to claim 1, it is characterized in that: comprise the following steps:
(1) according to the demand of construction with monitoring information, Temperature-control Monitoring data message is collected by Concrete Temperature Control information acquisition unit;
(2) according to the requirement of site operation quality control, control to implement assessment unit with temperature control by Concrete Temperature Control information manage and share Temperature-control Monitoring data message, realize dam digitizing, and according to temperature control designing requirement, entry evaluation is carried out to temperature control real-time condition;
(3) according to on-site actual situations, simulation analysis and the back analysis of concrete temperature field and stress field is carried out by concrete temperature stress simulation analysis and back analysis unit, grasp the concrete temperature under current temperature-controlled conditions and stress situation, carry out the interpretation and application of temperature field and temperature stress according to construction casting plan, for cracking risk early warning and Construction Decision lay the foundation simultaneously;
(4) according to real-time temperature control Monitoring Data information and simulation analysis result determination cracking risk, by concrete cracking risk real-time early warning unit, real-time early warning is carried out to concrete cracking risk;
(5) based on real-time temperature control Monitoring Data information, simulation analysis result and early warning information, fed back by Concrete Temperature Control anticracking and automatically intervene unit calculate needed for water flowing water temperature and flow.
6. method according to claim 5, is characterized in that: further comprising the steps of:
(6) carry out intelligent water communication by automatically controlling water flowing subsystem, thus on-the-spot temperature control measures is intervened, revises and adjusted.
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| CN103837533B (en) * | 2014-01-16 | 2015-12-02 | 河海大学 | Based on concrete temperature monitoring and the emulating bakce analysis method of thermal imaging system |
| CN103792185B (en) * | 2014-01-26 | 2016-01-06 | 中国水利水电科学研究院 | A kind of cracking method for early warning of asphalt concrete anti-seepage panel and device |
| CN104133052B (en) * | 2014-07-30 | 2016-01-13 | 中国水利水电科学研究院 | A kind of Temperature Controlling of Mass Concrete effect overall process evaluation method |
| CN104298272B (en) * | 2014-10-21 | 2017-03-29 | 中国水利水电科学研究院 | A kind of concrete intelligent temperature control system and method |
| CN105183028B (en) * | 2015-09-22 | 2017-11-07 | 中国水利水电科学研究院 | Concrete intelligence mix temperature control system and method |
| CN105332378B (en) * | 2015-10-19 | 2017-03-22 | 中国水利水电科学研究院 | Intelligent temperature control grouting system for concrete dam joint |
| CN105421281B (en) * | 2015-10-20 | 2017-09-12 | 中国水利水电科学研究院 | Arched concrete dam temperature load intelligent adjusting method |
| CN106768432A (en) * | 2016-11-17 | 2017-05-31 | 南通四建集团有限公司 | A kind of mass concrete real time temperature monitoring, method for early warning based on BIM |
| CN108876191A (en) * | 2018-07-09 | 2018-11-23 | 重庆筑智建建筑科技有限公司 | Construction control platform based on BIM |
| CN109782825B (en) * | 2018-12-31 | 2021-12-14 | 上海城建预制构件有限公司 | Concrete member crack control method |
| US11627080B2 (en) | 2019-01-18 | 2023-04-11 | Vmware, Inc. | Service insertion in public cloud environments |
| CN109946997B (en) * | 2019-04-25 | 2020-09-18 | 中国水利水电科学研究院 | Simulation dam regulation and control method, device and system |
| CN112113875B (en) * | 2020-09-21 | 2021-08-06 | 清华大学 | Intelligent gradient temperature control method, system, equipment and readable storage medium |
| CN112254842A (en) * | 2020-10-10 | 2021-01-22 | 广联达科技股份有限公司 | Temperature monitoring method and system for mass concrete and electronic equipment |
| CN112333854B (en) * | 2020-10-28 | 2023-03-24 | 中国建筑第八工程局有限公司 | Heat tracing electrified heating system and electric heating method for concrete structure |
| CN113190060B (en) * | 2021-05-20 | 2023-05-19 | 华北水利水电大学 | Temperature-control anti-cracking device for concrete of large aqueduct body in construction period |
| CN113466291B (en) * | 2021-06-24 | 2023-05-02 | 华能秦煤瑞金发电有限责任公司 | Analysis method for detecting mass concrete cracks based on temperature field change |
| CN114061668B (en) * | 2021-11-22 | 2024-04-02 | 汇通建设集团股份有限公司 | Prefabricated pier temperature stress system |
| CN115482650A (en) * | 2022-10-27 | 2022-12-16 | 安徽龙振建设有限公司 | Concrete pouring auxiliary system based on BIM |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202150037U (en) * | 2011-04-15 | 2012-02-22 | 中国水利水电科学研究院 | Temperature control and crack prevention digital dynamic monitoring system for concrete dam |
| CN102436722A (en) * | 2011-12-05 | 2012-05-02 | 中国水利水电科学研究院 | Temperature control anti-cracking monitoring method for concrete dam |
| CN102852146A (en) * | 2012-08-21 | 2013-01-02 | 清华大学 | Real-time online individualized heat-exchanging intelligent temperature control system of mass concretes |
| CN102852145A (en) * | 2012-08-14 | 2013-01-02 | 清华大学 | Method and system for intelligently controlling temperature of concretes of dam under construction |
| CN102979307A (en) * | 2012-12-12 | 2013-03-20 | 新疆生产建设兵团金来建设工程技术研发有限责任公司 | Temperature-controlled crack prevention construction method for concrete structure |
-
2013
- 2013-03-21 CN CN201310092196.7A patent/CN103217953B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202150037U (en) * | 2011-04-15 | 2012-02-22 | 中国水利水电科学研究院 | Temperature control and crack prevention digital dynamic monitoring system for concrete dam |
| CN102436722A (en) * | 2011-12-05 | 2012-05-02 | 中国水利水电科学研究院 | Temperature control anti-cracking monitoring method for concrete dam |
| CN102852145A (en) * | 2012-08-14 | 2013-01-02 | 清华大学 | Method and system for intelligently controlling temperature of concretes of dam under construction |
| CN102852146A (en) * | 2012-08-21 | 2013-01-02 | 清华大学 | Real-time online individualized heat-exchanging intelligent temperature control system of mass concretes |
| CN102979307A (en) * | 2012-12-12 | 2013-03-20 | 新疆生产建设兵团金来建设工程技术研发有限责任公司 | Temperature-controlled crack prevention construction method for concrete structure |
Non-Patent Citations (1)
| Title |
|---|
| 特高拱坝施工期数字监控方法、系统与工程应用;刘毅 等;《水利水电技术》;20120320(第3期);论文第2-4节、图1 * |
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Inventor after: Zhang Guoxin Inventor after: Liu Yi Inventor after: Wang Zhenhong Inventor after: Liu Youzhi Inventor after: Li Songhui Inventor after: Zhang Lei Inventor after: Huang Tao Inventor before: Zhang Guoxin Inventor before: Liu Yi Inventor before: Wang Zhenhong Inventor before: Liu Youzhi |
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