CN110593262A - Concrete crack resistance device and method - Google Patents
Concrete crack resistance device and method Download PDFInfo
- Publication number
- CN110593262A CN110593262A CN201910878825.6A CN201910878825A CN110593262A CN 110593262 A CN110593262 A CN 110593262A CN 201910878825 A CN201910878825 A CN 201910878825A CN 110593262 A CN110593262 A CN 110593262A
- Authority
- CN
- China
- Prior art keywords
- concrete
- stress
- temperature
- heating
- strain
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000010438 heat treatment Methods 0.000 claims abstract description 62
- 238000009529 body temperature measurement Methods 0.000 claims description 18
- 230000002265 prevention Effects 0.000 claims description 2
- 230000008859 change Effects 0.000 abstract description 12
- 230000002159 abnormal effect Effects 0.000 abstract description 5
- 230000001105 regulatory effect Effects 0.000 abstract description 5
- 238000012544 monitoring process Methods 0.000 description 5
- 230000036571 hydration Effects 0.000 description 4
- 238000006703 hydration reaction Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000026676 system process Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/02—Selection of the hardening environment
- C04B40/0263—Hardening promoted by a rise in temperature
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Ceramic Engineering (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Paleontology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Physics & Mathematics (AREA)
- Civil Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention provides a concrete crack resistance device and a method, comprising the following steps: the temperature measuring system, the stress-strain measuring system and the heating system are embedded with a temperature measuring sensor, a stress-strain measuring sensor and a heating device before concrete pouring. The invention can utilize the temperature measuring system and the stress-strain measuring system to monitor the internal change of the mass concrete in real time, thereby ensuring that the abnormal stress generated by the mass concrete during the curing period due to temperature difference and other reasons is visible, measurable and controllable. The temperature measuring system and the heating system can be used for simultaneously acting on the temperature difference inside the mass concrete, so that the heating temperature dynamically changes along with the temperature difference, and the temperature stress of the mass concrete is controlled within a safe range. Based on the temperature data acquired by the temperature acquisition instrument, the internal temperature difference of the concrete can be effectively regulated and controlled in real time, and the self temperature stress of the concrete is reduced; and the stress change in the concrete can be monitored in real time based on the stress data acquired by the stress acquisition instrument, so that the early warning of crack generation is realized.
Description
Technical Field
The invention relates to a concrete anti-cracking device and a method.
Background
The modern buildings often involve mass concrete construction, such as high-rise building foundations, large equipment foundations, water conservancy dams and the like. It features large volume, small surface coefficient, concentrated heat release of cement hydration, quick internal temp. rise, etc. When the temperature difference between the inside and the outside of the concrete is large, the concrete can generate temperature cracks, and the structural safety and the normal use are influenced. The traditional method for controlling the large-volume concrete cracks comprises the steps of reducing the hydration heat of the concrete, measuring the temperature at fixed points, paving heat-insulating materials and the like, and has the defects of poor quality control capability, insufficient capability of comprehensively controlling the temperature difference of the concrete, incapability of predicting the occurrence of the cracks in advance and the like.
Disclosure of Invention
The invention aims to provide a concrete crack resistance device and a concrete crack resistance method.
In order to solve the above problems, the present invention provides a concrete crack resistance device, comprising:
the temperature measurement system comprises a plurality of temperature measurement sensors arranged in concrete and a temperature acquisition instrument connected with each temperature measurement sensor;
the stress-strain measuring system comprises a plurality of stress-strain measuring sensors arranged in concrete and a stress acquisition instrument connected with each stress-strain measuring sensor;
a heating system comprising a plurality of heating wires arranged in the concrete.
Further, in the concrete crack resistance device, the temperature measuring sensors are arranged near the upper surface, the lower surface or the middle part of the concrete.
Further, in the concrete crack resistance device, the stress-strain measuring sensors are arranged near the upper surface, the lower surface or the middle part of the concrete.
Further, in the concrete crack prevention device, the heating wires are arranged near the upper and lower surfaces of the concrete.
According to another aspect of the present invention, there is also provided a concrete crack resistance method, including:
arranging a plurality of temperature measuring sensors and a temperature acquisition instrument connected with each temperature measuring sensor in the concrete to form a temperature measuring system;
arranging a plurality of stress-strain measuring sensors and a stress acquisition instrument connected with each stress-strain measuring sensor in the concrete to form a stress-strain measuring system;
arranging a plurality of heating wires in the concrete to form a heating system;
the temperature in the concrete is collected through a temperature measuring system, the concrete is heated through a heating system, and the stress in the concrete is collected through a stress-strain measuring system.
Further, in the concrete crack resistance method, among a plurality of temperature sensors arranged in the concrete, the temperature sensors are arranged near the upper surface, the lower surface or the middle part of the concrete.
Further, in the concrete crack resistance method, among a plurality of stress-strain sensors arranged in the concrete, the stress-strain sensors are arranged near the upper surface, the lower surface or the middle part of the concrete.
Further, in the concrete crack resistance method, a plurality of heating wires are arranged in the concrete, and the heating wires are arranged on the upper surface and the lower surface of the concrete.
Further, in the above method for preventing concrete crack, the temperature in the concrete is collected by a temperature measuring system, and the concrete is heated by a heating system, including:
connecting an intelligent integrated control system with the temperature measuring system, the stress-strain measuring system and the heating system respectively;
the intelligent integrated control system collects the temperatures of the upper surface, the lower surface and the middle position of the concrete sequentially through the temperature collector and the temperature measuring sensor;
when the temperature difference between the upper surface and the middle part of the concrete exceeds a preset threshold value, the intelligent integrated control system controls the heating wires to heat the temperature difference area of the concrete, meanwhile, the heating temperature is monitored by sequentially passing through the temperature acquisition instrument and the temperature measurement sensor, and the temperature difference between the upper surface and the lower surface of the concrete and the central temperature is dynamically adjusted by the heating wires to be smaller than the preset threshold value.
Further, in the concrete crack resistance method, the stress in the concrete is collected by a stress-strain measuring system, and the method includes:
the intelligent integrated control system collects the stress inside the concrete sequentially through the stress collector and the stress-strain measuring sensor, and sends out corresponding alarm when the stress of a certain area inside the concrete is larger than a set value.
Compared with the prior art, the invention comprises the following steps: the temperature measurement system comprises a plurality of temperature measurement sensors arranged in concrete and a temperature acquisition instrument connected with each temperature measurement sensor; the stress-strain measuring system comprises a plurality of stress-strain measuring sensors arranged in concrete and a stress acquisition instrument connected with each stress-strain measuring sensor; a heating system comprising a plurality of heating wires arranged in the concrete. The temperature measuring and stress and strain measuring sensors and the heating device are pre-embedded before concrete pouring. The invention can utilize the temperature measuring system and the stress-strain measuring system to monitor the internal change of the mass concrete in real time, thereby ensuring that the abnormal stress generated by the mass concrete during the curing period due to temperature difference and other reasons is visible, measurable and controllable. The temperature measuring system and the heating system can be used for simultaneously acting on the temperature difference inside the mass concrete, so that the heating temperature dynamically changes along with the temperature difference, and the temperature stress of the mass concrete is controlled within a safe range. Based on the temperature data acquired by the temperature acquisition instrument, the internal temperature difference of the concrete can be effectively regulated and controlled in real time, and the self temperature stress of the concrete is reduced; and the stress change in the concrete can be monitored in real time based on the stress data acquired by the stress acquisition instrument, so that the early warning of crack generation is realized.
Drawings
Fig. 1 is a schematic view of a concrete crack-resistant apparatus according to an embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1, the present invention provides a concrete crack-resistant device, including:
the temperature measurement system comprises a plurality of temperature measurement sensors arranged in concrete and a temperature acquisition instrument connected with each temperature measurement sensor;
the stress-strain measuring system comprises a plurality of stress-strain measuring sensors arranged in concrete and a stress acquisition instrument connected with each stress-strain measuring sensor;
a heating system comprising a plurality of heating wires arranged in the concrete.
The temperature and stress strain measuring sensors and the heating device are embedded before concrete pouring.
The invention can utilize the temperature measuring system and the stress-strain measuring system to monitor the internal change of the mass concrete in real time, thereby ensuring that the abnormal stress generated by the mass concrete during the curing period due to temperature difference and other reasons is visible, measurable and controllable. The temperature measuring system and the heating system can be used for simultaneously acting on the temperature difference inside the mass concrete, so that the heating temperature dynamically changes along with the temperature difference, and the temperature stress of the mass concrete is controlled within a safe range. Based on the temperature data acquired by the temperature acquisition instrument, the internal temperature difference of the concrete can be effectively regulated and controlled in real time, and the self temperature stress of the concrete is reduced; and the stress change in the concrete can be monitored in real time based on the stress data acquired by the stress acquisition instrument, so that the early warning of crack generation is realized.
In an embodiment of the concrete crack-resistant device, the temperature measuring sensors are arranged near the upper surface, the lower surface or the middle part of the concrete.
In an embodiment of the concrete crack-resistant device, the stress-strain measuring sensors are arranged near the upper surface, the lower surface or the middle part of the concrete.
In an embodiment of the concrete crack-resistant device, the heating wires are arranged on the upper surface and the lower surface of the concrete.
The heating device, the temperature measuring sensor and the stress-strain measuring sensor can be arranged on the upper surface and the lower surface of the concrete or in a region with fast heat dissipation, and the temperature measuring system and the stress-strain measuring system can be arranged in the middle of the concrete or in a region with large hydration heat.
As shown in fig. 1, the present invention provides a concrete crack resistance method, comprising:
step S1, arranging a plurality of temperature measuring sensors and a temperature acquisition instrument connected with each temperature measuring sensor in the concrete to form a temperature measuring system;
step S2, arranging a plurality of stress-strain measuring sensors and a stress collector connected with each stress-strain measuring sensor in the concrete to form a stress-strain measuring system;
step S3, arranging a plurality of heating wires in the concrete to form a heating system;
and step S4, acquiring the temperature in the concrete through a temperature measuring system, heating the concrete through a heating system, and acquiring the stress in the concrete through a stress and strain measuring system.
The temperature and stress strain measuring sensors and the heating device are embedded before concrete pouring.
The invention can utilize the temperature measuring system and the stress-strain measuring system to monitor the internal change of the mass concrete in real time, thereby ensuring that the abnormal stress generated by the mass concrete during the curing period due to temperature difference and other reasons is visible, measurable and controllable. The temperature measuring system and the heating system can be used for simultaneously acting on the temperature difference inside the mass concrete, so that the heating temperature dynamically changes along with the temperature difference, and the temperature stress of the mass concrete is controlled within a safe range. Based on the temperature data acquired by the temperature acquisition instrument, the internal temperature difference of the concrete can be effectively regulated and controlled in real time, and the self temperature stress of the concrete is reduced; and the stress change in the concrete can be monitored in real time based on the stress data acquired by the stress acquisition instrument, so that the early warning of crack generation is realized.
In one embodiment of the concrete crack resistance method, among a plurality of temperature sensors arranged in the concrete, the temperature sensors are arranged on the upper surface, the lower surface or the middle part of the concrete.
In one embodiment of the concrete crack resistance method, among a plurality of stress-strain sensors arranged in the concrete, the stress-strain sensors are arranged on the upper surface, the lower surface or the middle part of the concrete.
In one embodiment of the concrete crack resistance method, a plurality of heating wires are arranged in the concrete, and the heating wires are arranged on the upper surface and the lower surface of the concrete.
The heating device, the temperature measuring sensor and the stress-strain measuring sensor can be arranged on the upper surface and the lower surface of the concrete or in a region with fast heat dissipation, and the temperature measuring system and the stress-strain measuring system can be arranged in the middle of the concrete or in a region with large hydration heat.
In an embodiment of the concrete crack resistance method of the present invention, in step S4, the temperature in the concrete is collected by the temperature measurement system, and the concrete is heated by the heating system, including:
connecting an intelligent integrated control system with the temperature measuring system, the stress-strain measuring system and the heating system respectively;
the intelligent integrated control system collects the temperatures of the upper surface, the lower surface and the middle position of the concrete sequentially through the temperature collector and the temperature measuring sensor;
when the temperature difference between the upper surface and the middle part of the concrete exceeds a preset threshold value, the intelligent integrated control system controls the heating wires to heat the temperature difference area of the concrete, meanwhile, the heating temperature is monitored by sequentially passing through the temperature acquisition instrument and the temperature measurement sensor, and the temperature difference between the upper surface and the lower surface of the concrete and the central temperature is dynamically adjusted by the heating wires to be smaller than the preset threshold value.
The measured data are processed into intelligent visual information by the intelligent integrated control system and are transmitted to a user side, and monitoring personnel can easily monitor, control and analyze the internal change of the mass concrete comprehensively.
After concrete is poured, the temperature measuring sensor collects real-time data and transmits the data signals to the temperature measuring system, and the temperature measuring system processes and converts the data signals into temperature data and then sends the temperature data to the intelligent integrated control system.
The temperature signals collected by the temperature measuring sensors arranged on the upper surface and the lower surface of the concrete are processed with the temperature data signals in the middle of the concrete and then transmitted to the comprehensive control system for comparison, and the intelligent comprehensive control system controls the heating system to heat the area with large temperature difference and monitors the heating temperature and the temperature difference in real time.
The intelligent integrated control system compares the temperature of the middle part of the concrete with the temperature of the upper surface and the temperature of the lower surface according to the temperature data, starts the heating system when the temperature difference is larger than a certain standard value, heats the upper surface and the lower surface of the concrete, simultaneously feeds back the temperature data in real time by the temperature measurement system, and dynamically controls the heating process.
The intelligent comprehensive control system can feed back temperature and stress changes in time and take corresponding measures, and the anti-cracking effect of the large-volume concrete is effectively improved.
According to the invention, through the heating system, the temperature measurement system, the stress-strain monitoring system and the intelligent comprehensive control system, the crack resistance system based on temperature compensation is more intelligent, the temperature difference inside the concrete can be effectively regulated and controlled in real time, the temperature stress of the concrete is reduced, the stress change inside the concrete can be monitored in real time, and the early warning of crack generation is realized. The embedded sensor is utilized to monitor and collect temperature and stress data in real time after concrete pouring, then intelligent analysis is carried out, temperature compensation is timely carried out, a region with large stress is displayed, cracks generated due to temperature stress can be effectively prevented, and construction quality and safety are improved.
In an embodiment of the concrete crack resistance method of the present invention, in step S4, the acquiring stress in the concrete by the stress-strain measuring system includes:
the intelligent integrated control system collects the stress inside the concrete sequentially through the stress collector and the stress-strain measuring sensor, and sends out corresponding alarm when the stress of a certain area inside the concrete is larger than a set value.
During the curing period after concrete pouring, the stress measuring sensor collects the data signals of the stress change inside the concrete in real time and transmits the data signals to the stress-strain monitoring system, and the stress-strain monitoring system processes the data signals and converts the data signals into stress-strain data and then sends the stress-strain data to the intelligent integrated control system.
And processing data signals collected by a stress-strain measuring sensor arranged in the concrete and then sending the processed data signals to a comprehensive control system, and timely notifying monitoring personnel when the stress strain changes abnormally.
The comprehensive control system monitors and records the change of stress-strain data in real time, and when the stress-strain value is larger than a certain standard value, an early warning response is started to remind operators on duty that the stress-strain value of a corresponding area is abnormal, and effective measures are taken as soon as possible.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
It will be apparent to those skilled in the art that various changes and modifications may be made in the invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A concrete crack resistance device, comprising:
the temperature measurement system comprises a plurality of temperature measurement sensors arranged in concrete and a temperature acquisition instrument connected with each temperature measurement sensor;
the stress-strain measuring system comprises a plurality of stress-strain measuring sensors arranged in concrete and a stress acquisition instrument connected with each stress-strain measuring sensor;
a heating system comprising a plurality of heating wires arranged in the concrete.
2. The concrete crack-resistant device according to claim 1, wherein the temperature sensor is disposed near upper, lower or middle portions of the concrete.
3. The concrete crack resistant device of claim 1, wherein the stress strain sensor is disposed near the upper, lower or middle surface of the concrete.
4. The concrete crack prevention device of claim 1, wherein the heating wires are disposed near upper and lower surfaces of the concrete.
5. A method of crack resistance in concrete, comprising:
arranging a plurality of temperature measuring sensors and a temperature acquisition instrument connected with each temperature measuring sensor in the concrete to form a temperature measuring system;
arranging a plurality of stress-strain measuring sensors and a stress acquisition instrument connected with each stress-strain measuring sensor in the concrete to form a stress-strain measuring system;
arranging a plurality of heating wires in the concrete to form a heating system;
the temperature in the concrete is collected through a temperature measuring system, the concrete is heated through a heating system, and the stress in the concrete is collected through a stress-strain measuring system.
6. The concrete crack resistance method according to claim 5, wherein among the plurality of temperature sensors disposed in the concrete, the temperature sensors are disposed near upper, lower, or middle portions of the concrete.
7. The concrete crack resistance method according to claim 5, wherein among the plurality of stress-strain sensors disposed in the concrete, the stress-strain sensors are disposed near upper, lower, or middle portions of the concrete.
8. The concrete crack resistance method as claimed in claim 5, wherein a plurality of heating wires are arranged in the concrete, the heating wires being arranged near upper and lower surfaces of the concrete.
9. The concrete crack resistance method according to claim 5, wherein the temperature in the concrete is collected by a temperature measuring system, and the concrete is heated by a heating system, comprising:
connecting an intelligent integrated control system with the temperature measuring system, the stress-strain measuring system and the heating system respectively;
the intelligent integrated control system collects the temperatures of the upper surface, the lower surface and the middle position of the concrete sequentially through the temperature collector and the temperature measuring sensor;
when the temperature difference between the upper surface and the middle part of the concrete exceeds a preset threshold value, the intelligent integrated control system controls the heating wires to heat the temperature difference area of the concrete, meanwhile, the heating temperature is monitored by sequentially passing through the temperature acquisition instrument and the temperature measurement sensor, and the temperature difference between the upper surface and the lower surface of the concrete and the central temperature is dynamically adjusted by the heating wires to be smaller than the preset threshold value.
10. The concrete crack resistance method of claim 5, wherein the stress in the concrete is collected by a stress-strain measuring system, comprising:
the intelligent integrated control system collects the stress inside the concrete sequentially through the stress collector and the stress-strain measuring sensor, and sends out corresponding alarm when the stress of a certain area inside the concrete is larger than a set value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910878825.6A CN110593262A (en) | 2019-09-18 | 2019-09-18 | Concrete crack resistance device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910878825.6A CN110593262A (en) | 2019-09-18 | 2019-09-18 | Concrete crack resistance device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110593262A true CN110593262A (en) | 2019-12-20 |
Family
ID=68860512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910878825.6A Pending CN110593262A (en) | 2019-09-18 | 2019-09-18 | Concrete crack resistance device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110593262A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110907632A (en) * | 2019-12-27 | 2020-03-24 | 上海建工集团股份有限公司 | Large-volume concrete cracking early warning system and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060068846A (en) * | 2004-12-17 | 2006-06-21 | 조태준 | Innovative transient thermal gradient control to prevent early aged cracking of massive concrete |
| CN203639919U (en) * | 2013-09-29 | 2014-06-11 | 长沙聚创建筑科技有限公司 | Measuring and control device for concrete curing |
| CN104805865A (en) * | 2015-04-08 | 2015-07-29 | 中国建筑第八工程局有限公司 | Temperature monitoring based crack control method for bottom board |
| CN110053147A (en) * | 2019-04-26 | 2019-07-26 | 浙江铁道建设工程有限公司 | A kind of comprehensive temperature control device of the steel form for reducing concrete structure crack-cooling water pipe |
| CN211080238U (en) * | 2019-09-18 | 2020-07-24 | 上海建工二建集团有限公司 | Concrete anti-cracking device |
-
2019
- 2019-09-18 CN CN201910878825.6A patent/CN110593262A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060068846A (en) * | 2004-12-17 | 2006-06-21 | 조태준 | Innovative transient thermal gradient control to prevent early aged cracking of massive concrete |
| CN203639919U (en) * | 2013-09-29 | 2014-06-11 | 长沙聚创建筑科技有限公司 | Measuring and control device for concrete curing |
| CN104805865A (en) * | 2015-04-08 | 2015-07-29 | 中国建筑第八工程局有限公司 | Temperature monitoring based crack control method for bottom board |
| CN110053147A (en) * | 2019-04-26 | 2019-07-26 | 浙江铁道建设工程有限公司 | A kind of comprehensive temperature control device of the steel form for reducing concrete structure crack-cooling water pipe |
| CN211080238U (en) * | 2019-09-18 | 2020-07-24 | 上海建工二建集团有限公司 | Concrete anti-cracking device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110907632A (en) * | 2019-12-27 | 2020-03-24 | 上海建工集团股份有限公司 | Large-volume concrete cracking early warning system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3102937B1 (en) | Method of monitoring subsurface concrete structures | |
| CN110702261A (en) | Concrete hydration heat real-time monitoring system and method | |
| CN110749621A (en) | Infrared detection method for concrete interface void defect of steel plate composite shear wall | |
| KR101014597B1 (en) | System for automatically measuring deformation in tunnels | |
| CN211080238U (en) | Concrete anti-cracking device | |
| CN106592679A (en) | Forklift bucket teeth falling-off early warning device and method | |
| CN110593262A (en) | Concrete crack resistance device and method | |
| CA3066237A1 (en) | Predicting and optimizing drilling equipment operating life using condition based maintenance | |
| CN110907632A (en) | Large-volume concrete cracking early warning system and method | |
| CN106598106A (en) | Intelligent power distribution cabinet control system | |
| CN103386472B (en) | A kind of acquisition methods of continuous cast mold outlet base shell safe thickness and device | |
| CN113885619B (en) | Temperature stress control method and system for ultra-large-volume concrete | |
| CN211201177U (en) | Monitoring system for cast-in-place concrete | |
| CN104966381B (en) | Empty nestor's situation monitors in real time and early warning system | |
| CN110578401A (en) | Monitoring system for cast-in-place concrete and pouring method with monitoring system | |
| JPS58148061A (en) | Method for predicting breakout in continuous casting | |
| CN113146819A (en) | Intelligent concrete cracking control system | |
| CN111761040B (en) | Method and device for online identifying reverse sequence of thermocouple installation of crystallizer breakout prediction system | |
| EP3657295A1 (en) | Method for controlling discharging of glass plate in glass plate tempering technology process | |
| CN103464468B (en) | Method for controlling weight deviation through after-rolling length of hot-rolled steel bar | |
| CN106319122A (en) | Method and device for measuring slag-iron liquid level information of hearth of blast furnace online | |
| CN206037693U (en) | Formula temperature measuring device is buryyed to rotary kiln | |
| CN108692834B (en) | Be used for verifying concrete stress test device under internal load effect | |
| CN216869812U (en) | Mass concrete temperature measurement system | |
| CN210863483U (en) | Detection device for evaluating uniform corrosion of metal material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |