CN103852383B - Based on same condition simulation maintenance test method and inverse modeling maintenance test method and the system of temperature stress test - Google Patents
Based on same condition simulation maintenance test method and inverse modeling maintenance test method and the system of temperature stress test Download PDFInfo
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Abstract
The same condition simulation maintenance test method that the invention discloses a kind of temperature stress test, it comprises the following steps: (1) arranges a temperature stress testing machine and an environmental simulation maintenance chamber; (2) make temperature stress test test specimen a and put into temperature stress testing machine by predetermined concrete formulation; (3) make concrete synchronous maintenance test specimen and put into environmental simulation maintenance chamber by the formula identical with (2); (4) the external temp sensor of environmental simulation maintenance chamber input is inserted to the core of temperature stress test test specimen, the temperature stress test of start-up temperature pressure tester; (5) environmental simulation maintenance chamber utilizes the real time temperature data boot environment simulation maintenance chamber that external temp sensor collects to carry out maintenance; (6) environmental simulation maintenance chamber is closed in temperature stress off-test simultaneously, and the performance data of testing each test specimen. The present invention provides concrete method and thinking for studying concrete heat mechanical property.
Description
Technical field
The present invention develops the impact of concrete riper mainly for temperature and the length of time, tries with temperature stressTest supporting new concrete maintenance test method, can be applicable to the performance of research or evaluation concrete material, logicalCrossing the same condition simulation that utilizes concrete environment simulation curing box to carry out temperature stress test to concrete sample supportsProtect, integrated temperature stress test, can obtain real curing and protect lower concrete temperature, stress, strain, springformThe performances such as amount, linear expansion coefficient, compression strength, tensile splitting strength, rupture strength, cubic deformation.
Background technology
From nineteen eighty-three temperature stress testing machine first Application ftracture in Austrian Zillergrundl dam concreteSince performance study, along with the development of high efficiency water reducing agent, observation and control technology and Machining Technology, state at presentThis technology assessment concrete cracking sensitivity of outer use is relatively ripe, the research of this technology mainly concentrate onLower several aspects: 1) high-strength, high performance concrete cracking susceptible Journal of Sex Research; 2) concrete autogenous volumetric deformationResearch; 3) early stage thermal property single index test etc. The authoritative institutions such as U.S. AASHTO and European RILEMFormulate a set of new test method according to achievement in research, and promoted.
Temperature stress testing machine provides multiple test model, mainly comprises: 1) near adiabatic temperature rise mode,Be the free aquation of concrete, the circulatory mediator in temperature control template is followed the tracks of concrete core temperature, when arriving Wen Fenghou,Insulation a period of time, then with special speed cooling, until test specimen fracture; 2) archive data pattern, pre-First set concrete temperature change curve, the circulatory mediator in temperature control template is according to this curve controlled concrete sampleEnvironment temperature; 3) constant temperature mode, ensures concrete aquation under steady temperature; 4) adiabatic temperature rise guidingPattern, i.e. circulatory mediator in temperature control template is followed the tracks of the core temperature of additional adiabatic temperature rise test specimen, and controlling temperature shouldThe temperature of the main and auxiliary test specimen of force tester. In above-mentioned process of the test, all can be to main examination in 0～100% scopePart constraint degree is set.
Temperature stress testing machine just starts to measure various performance parameters can enter mould from concrete time, has other and establishesStandby unrivaled advantage, these parameters mainly comprise: molding temperature, temperature rise time, occur stress time,The 1st zero stress temperature, the 1st zero stress temperature time of occurrence, maximum crushing stress, warm peak time of occurrence, maximumTemperature rise, the 2nd zero stress temperature, the 2nd zero stress temperature time of occurrence, room temperature stress, Cracking Temperature, crackingStress, stress deposit etc. In addition, temperature stress testing machine can also be measured concrete in the early stage multiple heat of aquation, mechanics and volume stability index are as elastic modelling quantity, linear expansion coefficient, own vol contraction etc.
But, test and only can obtain the cracking susceptible of concrete sample under different temperatures course by temperature stressProperty, cubic deformation and early stage thermal property single index test etc., the method for there is no accomplishes that test is at same temperature historyThe lower concrete mechanical property of being correlated with, as compression strength, tensile splitting strength, rupture strength, elastic modelling quantity etc.Therefore, temperature stress testing machine is carried out to Function Extension, the concrete ring that research and development and temperature stress testing machine are supportingBorder simulation curing box, and utilize concrete environment simulation curing box study emphasis pin in temperature stress experimental basisThe research on concrete performance impact on temperature and the length of time, has great significance.
Summary of the invention
The object of the present invention is to provide a kind of concrete based on temperature stress test to try with condition simulation maintenanceCheck system and method, can be in utilizing temperature stress experimental test concrete material cracking resistance, testConcrete mechanical property under same temperature history.
In order to realize foregoing invention object, the present invention has adopted following technical scheme: same of temperature stress testPart simulation maintenance test method, is characterized in that comprising the following steps:
(1) a temperature stress testing machine is set, an environmental simulation maintenance chamber is set;
(2) make temperature stress test test specimen a by predetermined concrete formulation, and temperature stress is tested to test specimen aPut into described temperature stress testing machine, described temperature stress test test specimen a is for probe temperature stress testThe temperature history of concrete sample, stress and strain development;
(3) make concrete synchronous maintenance test specimen a1 by the formula identical with (2), a2,,,, ar, and willConcrete synchronous maintenance test specimen a1, a2,,,, ar puts into described environmental simulation maintenance chamber, a1,A2,,,, ar is respectively used to test compression strength of concrete test parts, tensile splitting strength, rupture strength, elasticityModulus mechanical property;
(4) described environmental simulation maintenance chamber is selected temperature acquisition pattern and concrete environment is simulated to maintenanceThe external temp sensor of chamber input is inserted the core of temperature stress test test specimen, and start-up temperature should simultaneouslyThe temperature stress test of force tester;
(5) real time temperature that described environmental simulation maintenance chamber utilizes described external temp sensor to collectMaintenance is carried out in data boot environment simulation maintenance chamber, gives tacit consent to atmosphere relative humidity scope in casing and be in maintenance90±5%；
(6) environmental simulation maintenance chamber is closed in described temperature stress off-test simultaneously, and tests each examinationPart a and a1, a2,,,, the performance data of ar,
Wherein, r is more than or equal to 2 natural number.
In order to realize foregoing invention object, the present invention has adopted the second technical scheme: temperature stress data inversionSimulation maintenance test method, is characterized in that comprising the following steps:
(1) a temperature stress testing machine is set, an environmental simulation maintenance chamber is set;
(2) make temperature stress test test specimen a by predetermined concrete formulation, and temperature stress is tested to test specimen aPut into described temperature stress testing machine, described temperature stress test test specimen a is respectively used to the examination of probe temperature stressTest temperature history, the stress and strain development of middle concrete sample;
(3) temperature stress of start-up temperature pressure tester test, after temperature stress off-test, in temperatureIn pressure tester, obtain the temperature history data of temperature stress test test specimen a and stored;
(4) make concrete synchronous maintenance test specimen a1 by the concrete formulation identical with (2), a2,,,, ar,And by concrete synchronous maintenance test specimen a1, a2,,,, ar puts into described environmental simulation maintenance chamber concreteSynchronous maintenance test specimen a1, a2,,,, ar be respectively used to test compression strength of concrete test parts, tensile splitting strength,Rupture strength, elastic modelling quantity mechanical property;
(5) control system of temperature history data importing environmental simulation maintenance chamber step 3 being obtained,Control system boot environment is simulated curing box to concrete synchronous maintenance test specimen a1, a2,,,, ar carries out maintenance,In maintenance, giving tacit consent to atmosphere relative humidity scope in casing is 90 ± 5%;
(6) simulation maintenance off-test, closes environmental simulation maintenance chamber, and tests each test specimen a1,A2,,,, the performance data of ar,
Wherein, r is more than or equal to 2 natural number.
Another object of the present invention is to, a kind of same condition simulation maintenance test based on temperature stress test is providedOr inverse modeling pilot system, it comprises with lower device:
One temperature stress testing machine, is provided with a temperature stress test test specimen a in described temperature stress testing machine,In described temperature stress testing machine, be also provided with temperature history for testing described temperature stress test test specimen, shouldThe device of power and strain development;
One environmental simulation maintenance chamber; If there is an operating room to hold in described environmental simulation maintenance chamberThe synchronous maintenance test specimen of dry concrete a1, a2,,,, ar, r is more than or equal to 2 natural number, described environment mouldIntending maintenance chamber is provided with:
-monitoring system, for the indoor temperature of surveying work and humidity,
-control system, for humiture programming Control, security alarm,
-the circulatory system, provides wind circulation and water circulation,
-heating system and refrigeration system, for changing operating room's internal temperature,
-humidification system and dehumidification system, for changing operating room's interior humidity,
Described control system receives the temperature history data of testing the temperature stress test test specimen obtaining as defaultTemperature value, and a default humidity value, the temperature that preset temperature value and default humidity value and described monitoring system are recordedDegree and humidity value are made comparisons, and in the time that preset value and monitoring system test value are not inconsistent, described control system is to cyclic systemSystem, heating system and refrigeration system, humidification system and dehumidification system send work order, change in operating roomTemperature and humidity, makes the operating room of environmental simulation maintenance chamber have the temperature of synchronizeing with temperature stress testing machineVariation course.
Further, described environmental simulation maintenance chamber also comprises an external temp sensor, is arranged at temperatureThe core of stress test test specimen, for measuring in real time the thermal history of temperature stress test test specimen.
The present invention can obtain supporting with temperature stress test equal temperature course on the basis of temperature stress testOther mechanical performance of concrete data under protecting, as compression strength, tensile splitting strength, rupture strength, elasticityModulus etc., this real curing maintaining method, as the important supplement of concrete temperature stress test, has importantMeaning, test and real curing protects test by temperature stress, can study emphasis actual temp and the length of time to mixedThe research of solidifying native performance impact, for the concrete heat mechanical property of research based on maturity provides concrete methodAnd thinking.
Brief description of the drawings
Fig. 1 is environmental simulation curing box schematic diagram.
Fig. 2 is that the concrete real curing based on temperature stress test protects the logic relation picture of test method.
Fig. 3 is concrete inverse modeling maintenance test method and the system diagram based on temperature stress test.
Detailed description of the invention
Embodiment 1
This example is tested real curing for temperature stress and is protected test example, the visible Fig. 2 of its idiographic flow.
(1) real curing based on temperature stress test of this example protects the system that test adopts and has comprised temperaturePressure tester and environmental simulation maintenance chamber two bigger devices.
Temperature stress testing machine adopts the HYPY-II type temperature of Beijing Hang Yuanpingyang development in science and technology Co., Ltd to answerForce tester, its test model comprises the several modes such as near adiabatic temperature rise, thermostatic control, archive data coupling.
As shown in Figure 2, it has an operating room in environmental simulation maintenance chamber, and this operating room can hold multipleConcrete synchronous maintenance test specimen a1, a2,,,, ar, r is more than or equal to 2 natural number, in addition, shouldEnvironmental simulation maintenance chamber is also provided with:
-monitoring system, for the indoor temperature of surveying work and humidity,
-control system, for humiture programming Control, security alarm,
-the circulatory system, provides wind circulation and water circulation,
-heating system and refrigeration system, for changing operating room's internal temperature,
-humidification system and dehumidification system, for changing operating room's interior humidity,
Environmental simulation maintenance chamber is also provided with an external temp sensor, and this external temp sensor is placed in temperatureThe core of degree stress test test specimen, for measuring the thermal history of temperature stress test test specimen.
Described control system is according to the temperature of the measured temperature stress test test specimen of described external temp sensorAnd temperature and humidity value that default humidity value and described monitoring system record make comparisons, to the circulatory system, heatingSystem and refrigeration system, humidification system and dehumidification system send control instruction, change the temperature in operating room and wetDegree, makes environmental simulation maintenance chamber have the thermal history of synchronizeing with temperature stress testing machine.
(2) make concrete mix by predetermined formula, build to the mould of described temperature stress testing machine,Make temperature stress test test specimen a, and this temperature stress test test specimen a is put into described temperature stress testing machineIn, the temperature that described temperature stress test test specimen a is respectively used to concrete sample in probe temperature stress test is gone throughJourney, stress and strain development.
(3) make concrete by the formula identical with (2), build to concrete standard die trial and make synchronouslyMaintenance test test specimen a1, a2,,,, ar, and by a1, a2,,,, ar puts into described environmental simulation maintenance testIn case, a1, a2,,,, ar is respectively used to test compression strength of concrete test parts, tensile splitting strength, anti-foldingIntensity, elastic modelling quantity mechanical property, r is more than or equal to 2 natural number.
(4) temperature acquisition pattern is selected in described environmental simulation maintenance chamber, and by concrete environment simulation maintenanceThe external temp sensor of chamber input is inserted the core of described temperature stress test test specimen a, starts simultaneouslyThe temperature stress test of temperature stress testing machine;
(5) described environmental simulation maintenance chamber is by the real-time temperature of utilizing described external temp sensor to collectReal-time synchronization maintenance is carried out in degrees of data boot environment simulation maintenance chamber, gives tacit consent to the interior atmosphere of casing relative in maintenanceHumidity range is 90 ± 5%;
(6) environmental simulation maintenance chamber is closed in described temperature stress off-test simultaneously, and tests each examinationPart a1, a2,,, the performance data of ar.
Temperature stress test can obtain the cracking resistance of concrete sample, the cubic deformation in the length of time early, creep,The performance such as stress relaxation, temperature sensitivity; The environmental simulation maintenance test of protecting by real curing can record in phaseUnder synthermal course, compression strength of concrete test parts, tensile splitting strength, rupture strength, elastic modelling quantity etc.Mechanical property.
Embodiment 2
This example is temperature stress data inversion simulated test example, the visible Fig. 3 of its idiographic flow.
(1) what the temperature stress data inversion simulation maintenance test based on temperature stress test of this example adopted isTurnkey has been drawn together temperature stress testing machine and environmental simulation maintenance chamber two large divisions.
Temperature stress testing machine adopts the HYPY-II type temperature of Beijing Hang Yuanpingyang development in science and technology Co., Ltd to answerForce tester, its test model comprises the several modes such as near adiabatic temperature rise, thermostatic control, archive data coupling.
As shown in Figure 2, it has an operating room in environmental simulation maintenance chamber, and this operating room can hold multipleConcrete synchronous maintenance test specimen a1, a2,,,, ar, r is more than or equal to 2 natural number, in addition, shouldEnvironmental simulation maintenance chamber is also provided with:
-monitoring system, for the indoor temperature of surveying work and humidity,
-control system, for humiture programming Control, security alarm,
-the circulatory system, provides wind circulation and water circulation,
-heating system and refrigeration system, for changing operating room's internal temperature,
-humidification system and dehumidification system, for changing operating room's interior humidity,
Environmental simulation maintenance chamber is also provided with an external temp sensor, and this external temp sensor is placed in temperatureThe core of degree stress test test specimen, for measuring the thermal history of temperature stress test test specimen.
Described control system is according to the temperature of the measured temperature stress test test specimen of described external temp sensorAnd temperature and humidity value that default humidity value and described monitoring system record make comparisons, to the circulatory system, heatingSystem and refrigeration system, humidification system and dehumidification system send control instruction, change the temperature in operating room and wetDegree, makes environmental simulation maintenance chamber have identical thermal history with temperature stress testing machine.
(2) make concrete mix by predetermined formula, build to the mould of described temperature stress testing machine,Make temperature stress test test specimen a, and temperature stress tested to test specimen a and put into described temperature stress testing machine,Described temperature stress test test specimen a be respectively used to concrete sample in probe temperature stress test temperature history,Stress and strain development;
(3) temperature stress of start-up temperature pressure tester test, after temperature stress off-test, in temperatureIn pressure tester, obtain the temperature history data of temperature stress test test specimen a and stored;
(4) make concrete formulation by the formula identical with (2), build to concrete standard die trial and makeSynchronous maintenance test test specimen a1, a2,,,, ar, and by a1, a2,,,, ar puts into described environmental simulation maintenanceIn chamber, a1, a2,,,, ar be respectively used to test compression strength of concrete test parts, tensile splitting strength,Rupture strength, elastic modelling quantity mechanical property;
(5) control system of temperature history data importing environmental simulation maintenance chamber step 3 being obtainedIn, control system is according to these concrete temperature course data, and boot environment simulation curing box carries out maintenance, maintenanceIn middle acquiescence casing, atmosphere relative humidity scope is 90 ± 5%;
(6) simulation maintenance off-test, closes environmental simulation maintenance chamber, and tests each test specimen n1,N2,,,, the performance data of nr,
Wherein, t, r is more than or equal to 2 natural number.
Temperature stress test can obtain the cracking resistance of concrete sample, the cubic deformation in the length of time early, creep,The performance such as stress relaxation, temperature sensitivity; The environmental simulation maintenance test of protecting by real curing can record in phaseCompression strength of concrete test parts, tensile splitting strength, rupture strength, elastic modelling quantity etc. power under synthermal courseLearn performance.
Embodiment 3
Test temperature stress test data and coagulation under the equal temperature course of certain concrete pier of buildingSoil mechanics performance data.
This concrete pier is the concrete pier normally using, and buries temperature underground at its concrete solid component insideDegree inductor. Test its temperature history data and store this data.
System is as described in Example 2 set, and the temperature history data that actual measurement is obtained import respectively temperature stressIn testing machine and synchronously simulating maintenance chamber, in temperature stress testing machine, obtain the crack resistance of concrete sampleCan, the cubic deformation in the length of time early, creep, the performance parameter such as stress relaxation, temperature sensitivity; In same conditionThe environmental simulation maintenance test of maintenance can record compression strength of concrete test parts, splitting under uniform temp course and resistTensile strength, rupture strength, elastic modelling quantity etc. mechanical property.
Claims (4)
1. the same condition simulation maintenance test method of temperature stress test, is characterized in that comprising the following steps:
(1) a temperature stress testing machine is set, an environmental simulation maintenance chamber is set;
(2) make temperature stress test test specimen a by predetermined concrete formulation, and temperature stress is tested to test specimen aPut into described temperature stress testing machine, described temperature stress test test specimen a is for probe temperature stress testThe temperature history of concrete sample, stress and strain development;
(3) make concrete synchronous maintenance test specimen a1 by the formula identical with (2), a2 ... ar,And by concrete synchronous maintenance test specimen a1, a2 ... ar puts into described environmental simulation maintenance chamber,A1, a2 ... it is strong that ar is respectively used to test compression strength of concrete test parts, tensile splitting strength, anti-foldingDegree, elastic modelling quantity mechanical property;
(4) described environmental simulation maintenance chamber is selected temperature acquisition pattern and by environmental simulation maintenance chamberThe external temp sensor of input is inserted the core of temperature stress test test specimen, simultaneously start-up temperature stress testThe temperature stress test of machine;
(5) real time temperature that described environmental simulation maintenance chamber utilizes described external temp sensor to collectData boot environment simulation maintenance chamber is carried out maintenance to concrete synchronous maintenance test specimen, gives tacit consent to casing in maintenanceInterior atmosphere relative humidity scope is 90 ± 5%;
(6) environmental simulation maintenance chamber is closed in described temperature stress off-test simultaneously, and tests each mixedThe synchronous maintenance test specimen a of solidifying soil and a1, a2 ... the performance data of ar,
Wherein, r is more than or equal to 2 natural number.
2. temperature stress data inversion simulation maintenance test method, is characterized in that comprising the following steps:
(1) a temperature stress testing machine is set, an environmental simulation maintenance chamber is set;
(2) make temperature stress test test specimen a by predetermined concrete formulation, and temperature stress is tested to test specimen aPut into described temperature stress testing machine, described temperature stress test test specimen a is respectively used to the examination of probe temperature stressTest temperature history, the stress and strain development of middle concrete sample;
(3) temperature stress of start-up temperature pressure tester test, after temperature stress off-test, in temperatureIn pressure tester, obtain the temperature history data of temperature stress test test specimen a and stored;
(4) make concrete synchronous maintenance test specimen a1 by the concrete formulation identical with (2), a2 ... ar,And by concrete synchronous maintenance test specimen a1, a2 ... ar puts into described environmental simulation maintenance chamber,Concrete synchronous maintenance test specimen a1, a2 ... ar is respectively used to test compression strength of concrete test parts, splitsSplit tensile strength, rupture strength, elastic modelling quantity mechanical property;
(5) the control system of temperature history data importing environmental simulation maintenance chamber step (3) being obtainedSystem, control system boot environment is simulated curing box to concrete synchronous maintenance test specimen a1, a2 ... ar entersRow maintenance, in maintenance, giving tacit consent to atmosphere relative humidity scope in casing is 90 ± 5%;
(6) simulation maintenance off-test, closes environmental simulation maintenance chamber, and tests each test specimen a1,A2 ... the performance data of ar,
Wherein, r is more than or equal to 2 natural number.
3. same condition simulation maintenance test or the inverse modeling pilot system based on temperature stress test, its featureBe to comprise with lower device:
One temperature stress testing machine, is provided with a temperature stress test test specimen a in described temperature stress testing machine,In described temperature stress testing machine, be also provided with temperature history for testing described temperature stress test test specimen, shouldThe device of power and strain development;
One environmental simulation maintenance chamber; If there is an operating room to hold in described environmental simulation maintenance chamberThe synchronous maintenance test specimen of dry concrete a1, a2 ... ar, r is more than or equal to 2 natural number, described environmentSimulation maintenance chamber is provided with:
-monitoring system, for the indoor temperature of surveying work and humidity,
-control system, for humiture programming Control, security alarm,
-the circulatory system, provides wind circulation and water circulation,
-heating system and refrigeration system, for changing operating room's internal temperature,
-humidification system and dehumidification system, for changing operating room's interior humidity,
Described control system receives the temperature history data of testing the temperature stress test test specimen obtaining as defaultTemperature value, and a default humidity value, the temperature that preset temperature value and default humidity value and described monitoring system are recordedDegree and humidity value are made comparisons, and in the time that preset value and monitoring system test value are not inconsistent, described control system is to cyclic systemSystem, heating system and refrigeration system, humidification system and dehumidification system send work order, change in operating roomTemperature and humidity, makes the operating room of environmental simulation maintenance chamber have the temperature of synchronizeing with temperature stress testing machineVariation course.
4. same condition simulation maintenance test or the inverse modeling based on temperature stress test according to claim 3Pilot system, is characterized in that: described environmental simulation maintenance chamber also comprises an external temp sensor, establishesBe placed in the core of temperature stress test test specimen, go through for the variations in temperature of measuring in real time temperature stress test test specimenJourney.
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Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104535431B (en) * | 2014-12-30 | 2017-11-17 | 中建商品混凝土有限公司 | Crack resistance evaluation method and device of the concrete under temperature, contraction coupling |
| CN105758732B (en) * | 2016-03-24 | 2018-05-08 | 北京盛广拓公路科技有限公司 | A kind of cold renewal scene core sample Strength Testing Methods |
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| CN108918223B (en) * | 2018-07-16 | 2020-09-11 | 辽宁工程技术大学 | Laboratory curing method for paste filling material for simulating actual stope environment |
| CN109709313A (en) * | 2019-02-11 | 2019-05-03 | 河海大学 | A kind of new concrete restrained shrinkage experimental rig and application method |
| CN111754038B (en) * | 2020-06-22 | 2024-04-05 | 中交四航工程研究院有限公司 | Method for predicting concrete entity member transportation and installation time |
| CN113203634A (en) * | 2021-04-23 | 2021-08-03 | 防灾科技学院 | Intelligent maintenance and temperature and humidity control loading test system for aeolian sand modified soil |
| CN114577560A (en) * | 2022-01-11 | 2022-06-03 | 四川大学 | Experimental device and method for in-situ maintenance and test of underwater concrete |
| CN117434251A (en) * | 2023-12-19 | 2024-01-23 | 中国电建集团西北勘测设计研究院有限公司 | Concrete stress testing system and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003315253A (en) * | 2002-04-26 | 2003-11-06 | Toshiba Corp | Durability testing method of coating member and test device therefor |
| CN101135619A (en) * | 2007-07-13 | 2008-03-05 | 东南大学 | Asphalt concrete elevated temperature property testing method |
| CN101201307A (en) * | 2006-12-13 | 2008-06-18 | 中国科学院金属研究所 | Method for automatically drafting material hot working chart |
| CN103454304A (en) * | 2013-08-23 | 2013-12-18 | 长安大学 | Concrete specimen temperature testing device for simulating natural environments and testing method of concrete specimen temperature testing device |
| CN103513018A (en) * | 2012-12-31 | 2014-01-15 | 中交四航工程研究院有限公司 | Systematic detection method for anti-cracking performance of concrete |
-
2014
- 2014-03-11 CN CN201410087982.2A patent/CN103852383B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003315253A (en) * | 2002-04-26 | 2003-11-06 | Toshiba Corp | Durability testing method of coating member and test device therefor |
| CN101201307A (en) * | 2006-12-13 | 2008-06-18 | 中国科学院金属研究所 | Method for automatically drafting material hot working chart |
| CN101135619A (en) * | 2007-07-13 | 2008-03-05 | 东南大学 | Asphalt concrete elevated temperature property testing method |
| CN103513018A (en) * | 2012-12-31 | 2014-01-15 | 中交四航工程研究院有限公司 | Systematic detection method for anti-cracking performance of concrete |
| CN103454304A (en) * | 2013-08-23 | 2013-12-18 | 长安大学 | Concrete specimen temperature testing device for simulating natural environments and testing method of concrete specimen temperature testing device |
Non-Patent Citations (2)
| Title |
|---|
| Application of a thermal stress device for the prediction of stresses due to hydration heat in mass concrete structure;Inyeop Chu 等;《Construction and Building Materials》;20130504;第45卷;192-198 * |
| 基于温度-应力试验的混凝土抗裂性研究进展;陈波 等;《硅酸盐学报》;20130831;第41卷(第8期);1124-1133 * |
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