CN108956961A - Agent on crack resistance of concrete ice water erosion property experimental rig and test method - Google Patents
Agent on crack resistance of concrete ice water erosion property experimental rig and test method Download PDFInfo
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- CN108956961A CN108956961A CN201810769964.0A CN201810769964A CN108956961A CN 108956961 A CN108956961 A CN 108956961A CN 201810769964 A CN201810769964 A CN 201810769964A CN 108956961 A CN108956961 A CN 108956961A
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- 230000003628 erosive effect Effects 0.000 title claims abstract description 142
- 239000005457 ice water Substances 0.000 title claims abstract description 70
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 40
- 238000010998 test method Methods 0.000 title abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 262
- 238000012360 testing method Methods 0.000 claims abstract description 196
- 239000000523 sample Substances 0.000 claims abstract description 46
- 238000004321 preservation Methods 0.000 claims abstract description 39
- 238000009413 insulation Methods 0.000 claims abstract description 24
- 239000002826 coolant Substances 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 239000011229 interlayer Substances 0.000 claims abstract description 14
- 230000006378 damage Effects 0.000 claims description 15
- 238000010257 thawing Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 7
- 239000002689 soil Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000005303 weighing Methods 0.000 claims description 5
- 229920000742 Cotton Polymers 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 230000006735 deficit Effects 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000005057 refrigeration Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 230000001154 acute effect Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 claims description 2
- 238000011179 visual inspection Methods 0.000 claims description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims 1
- 238000004088 simulation Methods 0.000 abstract description 14
- 230000015271 coagulation Effects 0.000 description 4
- 238000005345 coagulation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000009738 saturating Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/38—Concrete; Lime; Mortar; Gypsum; Bricks; Ceramics; Glass
- G01N33/383—Concrete or cement
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
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Abstract
The present invention discloses a kind of agent on crack resistance of concrete ice water erosion property experimental rig, including bottom plate, is provided with water pump and cryogenic thermostat water-bath on bottom plate；Heat preservation groove body, outer tank body, inner tank body are provided on bottom plate, heat preservation, outer, inner tank body sequentially form coolant liquid circulation interlayer and annular erosion water cavity, water notch was offered in inner tank body, crosses on water notch and is covered with the first filter ice net, is crossed two Slideslip of water notch and is connected with water level adjustment plate；Water inlet is equipped with inside annular erosion water cavity, inner tank body bottom is equipped with water outlet, and water outlet is connect with water pump, and water pump is connected with water inlet；Test block hold-down support is fixed on the bottom of annular erosion water cavity；Insulation cover is located at the top of test flume；Air themperatures more than two temp probe difference measure annular erosion water cavities and the water surface, temperature indicator are connect with first temperature probe and second temperature probe.The experimental rig and test method, truer simulation cold district rivers ice flood environment are accurate to test agent on crack resistance of concrete ice water erosion property.
Description
Technical field
The present invention relates to concrete test technical fields, test and fill more particularly to a kind of agent on crack resistance of concrete ice water erosion property
It sets and test method.
Background technique
The phenomenon that stream is insulted and is referred to before river freezeup, and ice cube and river water flow together.The Yellow River of China Inner Mongolia
Or ice flood Lower Reaches of The Yellow River stream all easily occur for the phase of constructing a canal in be frozen over phase and the spring of the rivers in other areas in winter insult the phase to be generally
10 days, the most short time only had 1 day, and the longest time, river will appear a large amount of ice cube up to 60 days.Ice cube with water flow fortune
With certain speed impacts to hydraulic structure, the unpredictability of this dynamic loads certainly will will affect waterwork for dynamic meeting
The safety of object reduces the service life of hydraulic structure.Therefore in order to guarantee the military service performance of severe cold area hydraulic engineering and make
With the service life, need that agent on crack resistance of concrete ice water erosion property is tested and assessed.
It is directed to agent on crack resistance of concrete ice water erosion test device at this stage, due to lacking unified testing standard, many researchs are learned
Person uses the testing machine of homemade agent on crack resistance of concrete ice water erosion property, and shape, size disunity to sample lack comparativity；
Second, the process that ice water and concrete test block are hit is simulated, but have ignored influence of the temperature to test process, it is difficult to guarantee ice
The controllability of water；Third, experimental rig at this stage are to simulate the ice water erosion of the different turbulent flow rates in river, are had ignored
Pair stream flow velocity, without the ice water rate in comprehensive simulated river；4th, test operation is complicated, and volume of sample requires excessive, indoor examination
Not easy to manufacture and installation is tested, and time-consuming, it is at high cost.
Summary of the invention
The object of the present invention is to provide a kind of agent on crack resistance of concrete ice water erosion property experimental rig and test methods, on solving
Problem of the existing technology is stated, truer simulation cold district rivers ice flood environment carries out flow at high speed to concrete
Ice water erosion test is accurate to test agent on crack resistance of concrete ice water erosion property.
To achieve the above object, the present invention provides following schemes:
The present invention provides a kind of agent on crack resistance of concrete ice water erosion property experimental rig, including bottom plate, test flume, the fixed branch of test block
Seat, insulation cover and temperature meter are provided with water pump and cryogenic thermostat water-bath on the bottom plate；The test flume includes heat preservation tank
Body, outer tank body and inner tank body, the heat preservation groove body, the outer tank body and the inner tank body are fixedly installed on the bottom plate,
The outer tank body set is set in the heat preservation tank body, and the inner tank body is sheathed in the outer tank body, tell heat preservation groove body and
Coolant liquid is formed between the outer tank body and recycles interlayer, and annular erosion water cavity is formed between the outer tank body and the inner tank body,
Water notch was offered on the inside groove body sidewall, described cross on water notch is covered with the first filter ice net, described to cross water notch two sides
The inside groove body sidewall on sealing slidably connect a water level adjustment plate, the height for adjusting the water level adjustment plate can be adjusted
Height of water level in the annular erosion water cavity；The outer tank body is equipped with water inlet, and the inner tank body bottom is equipped with water outlet,
The second filter ice net is covered on the water outlet, the water outlet is connect by the first pipeline with the water pump, the water pump and institute
Water inlet is stated by the second piping connection, the cryogenic thermostat water-bath recycles interlayer by third pipeline and the coolant liquid and connects
It connects；The test block hold-down support is fixedly installed on the bottom of the annular erosion water cavity and for fixing concrete test block；It is described
Insulation cover is set at the top of the test flume and can close the test flume；The temperature meter is visited including the first temperature
Head, second temperature probe and temperature indicator, the first temperature probe are used to measure the water temperature in the annular erosion water cavity,
The second temperature probe be used to measure the air themperature of the water surface or more, the temperature indicator and the first temperature probe and
The second temperature probe connects and is used to show temperature measured by the first temperature probe and the second temperature probe.
Preferably, a discharge tube, the discharge tube and the annular erosion water cavity are provided on the side wall of the outer tank body
Inside is connected to, and is provided with Draw off valve on the discharge tube.
Preferably, the heat preservation groove body, the outer tank body and the inner tank body are waist type groove body, to make the annular
Erosion water cavity includes the first successively end to end rectangular cavities, first annular cavity, the second rectangular cavities and the second annular chamber
Body, the water notch of crossing are set on the inside groove body sidewall of second annular housing, and the test block hold-down support includes
The bottom of turbulent test block hold-down support and secondary stream test block hold-down support, first rectangular cavities and second rectangular cavities is equal
Multiple turbulent test block hold-down supports are provided with, it is solid that the bottom of the first annular cavity is provided with the secondary stream test block
Determine support, be provided with one on the outer groove body sidewall of the first annular cavity and second annular housing described in into
The mouth of a river, each water inlet pass through second pipeline and connect with a water pump；On second annular housing into
The intracorporal turbulent test block hold-down support of the mouth of a river and first rectangular cavity is collinearly arranged, on the first annular cavity into
The mouth of a river is collinearly arranged with the intracorporal turbulent test block hold-down support of second rectangular cavity.
Preferably, multiple holes for hoist are offered on the bottom plate, and multiple idler wheels, the heat preservation tank are installed on the bottom plate
Body is steel tank body, is covered with alumina-silicate ceramic fibre heat-preservation cotton carpet veneer on the external side wall of heat preservation tank.
Preferably, the insulation cover includes axis, half long annulus periphery lid and half oblong heat preservation window, and described half is long
There are two annulus periphery lid and half oblong heat preservation window are respectively provided with, the both ends of the axis are fixedly connected on the guarantor
On the side wall of warm groove body, two half long annulus periphery lids are connected by hinge on the axis, and each described half is long
The half oblong heat preservation window is fixedly connected in the lid of annulus periphery, and half long annulus periphery lid being capable of band
The half oblong heat preservation window is moved around the central axis.
Preferably, a sliding groove body, two institutes are each provided in the two sides for crossing water notch on the inside groove body sidewall
It states and is provided with the water level adjustment plate between sliding groove body, the water level adjustment plate is slidably connected by sliding groove body sealing
In on the inside groove body sidewall of the two sides for crossing water notch.
Preferably, the sliding groove body is vertically arranged, and the sliding groove body includes starting stave and the second riser, and described
One riser side is connect with the inner sidewall of the inner tank body, and the other side of the starting stave is connect with second riser, institute
The second riser and starting stave angle at an acute angle are stated, the water level adjustment plate is compressed and fitted closely by second riser
In on the inner sidewall of the inner tank body.
Preferably, leader, first temperature are fixedly connected on each half long annulus periphery cap upper surface
Probe is set to the inner wall lower end of the outer tank body, and the second temperature probe is set to the inner wall upper end of the outer tank body.
Preferably, each test block hold-down support includes firm banking and two fixed angles bracing members, each fixation
Angle steel support is fixedly connected on the firm banking, and the firm banking is fixedly connected on the bottom of the annular erosion water cavity
Portion is equipped with a nut on one fixed angles bracing members, and the nut inner thread is connected with a press bolt.
The present invention also provides a kind of tests for applying experimental rig test agent on crack resistance of concrete ice water erosion property as described above
Method, comprising the following steps:
Step 1: freezing-thawing test is carried out to concrete test block: the concrete test block after maintenance is impregnated 4 days simultaneously into the water
Make water saturates concrete test block, after concrete test block is taken out, carries out visual inspection, erasing concrete test block surface moisture weighing
Record concrete test block mass M1, and measure concrete test block dynamic modulus of elasticity f1, super depth of field three-dimensional is carried out to concrete test block and is swept
It retouches to obtain image T1, freeze thawing is carried out to concrete test block；
Step 2: concrete test block is fixed on the test block hold-down support, and the water level regulating fender is moved to
The height needed is filled the water into the annular erosion water cavity, until water level exceeds the water level regulating fender, water is through described first
It is flowed into the inner tank body after filter ice net filtration；
Step 3 starts the water pump and the cryogenic thermostat water-bath, is passed through cooling into coolant liquid circulation interlayer
Liquid persistently freezes to coolant liquid using the cryogenic thermostat water-bath so that the water in the annular erosion water cavity keeps stable low
Temperature state；The intracorporal water of inside groove by it is described second filter ice net filtration after successively through the water outlet, the first pipe, institute
It states water pump, the second pipe, the water inlet and flows into formation circulating water flow in the annular erosion water cavity；
Step 4: being closed the insulation cover, after water flow at the uniform velocity after, pass through the first temperature probe measure it is described annular punching
The water temperature in water cavity is lost, the air themperature on the water surface is measured by the second temperature probe, in the annular erosion water cavity
Water temperature and the water surface on air themperature reach the temperature of test requirements document after, the insulation cover is opened, to the annular erosion
The insulation cover is closed after pre-fabricated ice cube is added in water cavity, ice cube is flowed with water flow, erosion concrete test block；
Step 5: after reaching the erosion time, closing the water pump and the refrigeration machine, terminate test, takes out concrete examination
Block, erasing concrete test block surface moisture weighing record weight M2, and measure the dynamic modulus of elasticity f of concrete test block2, to coagulation
Native test block carries out super depth of field 3-D scanning again and obtains image T2；
Step 6: experimental data processing: mass loss rate △ W=(M1- M2)/M1× 100%, relative dynamic elastic modulus P
=f2 2/f1 2× 100%, test block degree of impairment is analyzed according to relative dynamic elastic modulus P, compares the super depth of field before and after erosion test
Image T1And T2, outer damage situation is observed, mass loss rate △ W is smaller, relative dynamic elastic modulus P is smaller, and outer damage is smaller
Concrete test block anti-ice water erosion performance it is better.
The present invention achieves following technical effect compared with the existing technology:
The height of agent on crack resistance of concrete ice water erosion property experimental rig in the present invention, outer groove body sidewall is greater than inside groove body sidewall
Height, the height of outer groove body sidewall is greater than the height of concrete test block, concrete test block is fixed in annular erosion water cavity,
And the water circulation in annular erosion water cavity is flowed by water outlet, first pipe, water pump, second pipe and water inlet, is led to
The lift for overregulating water pump can adjust flow rate of water flow in annular erosion water cavity, that is, adjust the water flow stream of erosion concrete test block
Speed, the cryogenic temperature by adjusting cryogenic thermostat water-bath can adjust the temperature of the water flow of erosion concrete test block, and pass through
First temperature probe and second temperature probe can guarantee the temperature of the water flow of erosion and the temperature of the atmosphere more than water surface simultaneously
It is consistent with the temperature in simulation area, more truly reduce temperature when simulating regional ice flood；When test, make water surface elevation
Lower than the height of concrete test block, it can guarantee that ice cube effectively impacts and act on concrete test block, concrete test block is fixed,
Water flow with ice cube can maintain stable speed erosion concrete test block, and water flow velocity is not influenced by the time, erosion concrete
The case where flow rate of water flow control precision of test specimen is high, is more in line with ice water erosion test block under full-scale condition.Coagulation in the present invention
Native anti-ice water erosion property experimental rig can be tested quantitatively under different ice water contents, different erosion rates, different temperatures
Ice water erosion test, the experimental rig parameter controllability is strong, and precision is high, and test efficiency is high, saves labour, reduces testing crew
Labor intensity, while reducing the limitation of test site, tested convenient for interior, it is cold so as to truer simulation
Regional rivers ice flood environment carries out flow at high speed ice water erosion test to concrete, accurate to test the erosion of agent on crack resistance of concrete ice water
Energy.Since frost can also damage concrete, the agent on crack resistance of concrete ice water erosion property test method in the present invention, to coagulation
Native test block carries out ice water erosion to concrete test block again after carrying out freezing-thawing test, and truer simulation actual environment improves
The accuracy of test result；Temperature, cycle-index and the time of freezing-thawing test can carry out corresponding according to the weather in simulation area
Setting.First filter ice net and the second filter ice net can guarantee that ice cube will not enter water pump damage equipment with water circulation.
Further, it is provided by the invention evaluation agent on crack resistance of concrete ice water erosion property experimental rig and test method, be
Concrete provides effective data in Practical Project extent of the destruction and supports during ice flood.Pass through cryogenic thermostat water-bath and coolant liquid
Ice water maintains 0 DEG C rush and invades duration during circulation interlayer can simulate ice flood；Annular erosion water cavity includes successively end to end
The first rectangular cavities, first annular cavity, the second rectangular cavities and the second annular housing, the first rectangular cavities and the second rectangle
The intracorporal turbulent test block hold-down support of chamber is used to test turbulent flow to the ice water erosion damage of concrete, first annular cavity and second
The intracorporal secondary stream test block hold-down support of annular chamber is used to test the secondary ice water erosion damage flowed to concrete, can be more comprehensive
Turbulent flow and secondary stream in simulating riverway, are more nearly the anti-ice water erosion property of Practical Project；Advantages of simple of the present invention, convenient for life
At and operation, be able to carry out the different types of flow velocity of simulation and carry out ice water erosion test.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the axonometric drawing of agent on crack resistance of concrete ice water erosion property experimental rig provided by the invention；
Fig. 2 is the top view of agent on crack resistance of concrete ice water erosion property experimental rig provided by the invention；
Fig. 3 is the structural schematic diagram of the bottom of agent on crack resistance of concrete ice water erosion property experimental rig provided by the invention；
Fig. 4 is the structural representation of the water level regulating fender of agent on crack resistance of concrete ice water erosion property experimental rig provided by the invention
Figure；
Fig. 5 is the structural representation of the test specimen hold-down support of agent on crack resistance of concrete ice water erosion property experimental rig provided by the invention
Figure.
In figure: 1- insulating layer；Half long annulus periphery lid of 2-；3- handle；Half oblong of 4- keeps the temperature window；5- axis；6-
Temperature indicator；7- discharge tube；8- discharge tube valve；9- bottom plate；10- water pump；11- cryogenic thermostat water-bath；12- idler wheel；13- is hung
Fill hole；14- insulation cover；15- second temperature probe；16- water inlet；17- crosses water notch；18- first filters ice net；19- water level tune
Whole baffle；20- water outlet；21- second filters ice net；22- inner tank body；23- outer tank body；24- test block hold-down support；The dewatering outlet 25-；
26- coolant liquid recycles interlayer；27- annular erosion water cavity；28- slides groove body；29- fixed angles bracing members；30- nut；31- press
Bolt；The first pipeline of 32-；The second pipeline of 33-；34- third pipeline；35- firm banking；36- concrete test block；37- heat preservation tank
Body；The first rectangular cavities of 38-；The first annular cavity of 39-；The second rectangular cavities of 40-；The second annular housing of 41-.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The object of the present invention is to provide a kind of agent on crack resistance of concrete ice water erosion property experimental rig and test methods, on solving
Problem of the existing technology is stated, truer simulation cold district rivers ice flood environment carries out flow at high speed to concrete
Ice water erosion test is accurate to test agent on crack resistance of concrete ice water erosion property.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
The present invention provides a kind of agent on crack resistance of concrete ice water erosion property experimental rig, in a specific embodiment of the invention,
As shown in Figures 1 to 3, which includes bottom plate 9, test flume, test block hold-down support 24, protects
Warm lid 14 and temperature meter are provided with water pump 10 and cryogenic thermostat water-bath 11 on bottom plate 9；Test flume include heat preservation groove body 37,
Outer tank body 23 and inner tank body 22, heat preservation groove body 37, outer tank body 23 and inner tank body 22 are fixedly installed on bottom plate 9, outer tank body 23
Set is set in heat preservation tank body 37, and inner tank body 22 is set to inside outer tank body 23, is kept the temperature and is formed between groove body 37 and outer tank body 23
Coolant liquid recycles interlayer 26, forms annular erosion water cavity 27 between outer tank body 23 and inner tank body 22, opens up on 22 side wall of inner tank body
There is water notch 17, and crossed on water notch 17 and be covered with the first filter ice net 18, and crossed on 22 side wall of inner tank body of 17 two sides of water notch and seal
A water level adjustment plate 19 is slidably connected, the height of adjustment water level adjustment plate 19 can adjust the water level in annular erosion water cavity 27
Highly；23 side wall of outer tank body is equipped with water inlet 16, and 22 bottom of inner tank body is equipped with water outlet 20, is covered with the second filter on water outlet 20
Ice net 21, water outlet 20 are connect by the first pipeline 32 with water pump 10, and water pump 10 and water inlet 16 are connected by the second pipeline 33,
Cryogenic thermostat water-bath 11 recycles interlayer 26 with coolant liquid by third pipeline 34 and connect, and test block hold-down support 24 is fixedly installed on ring
The bottom of shape erosion water cavity 27 is simultaneously used for fixing concrete test block 36；Insulation cover 14 is set at the top of test flume and can close examination
Check of foundation subsoil；Temperature meter includes first temperature probe, second temperature probe 15 and temperature indicator 6, and temperature indicator 6 is digital display
Electronic thermometer, first temperature probe is for the water temperature in measure annular erosion water cavity 27, and second temperature probe 15 is for measuring
The air themperature more than water surface, temperature indicator 6 connect with first temperature probe and second temperature probe 15 and can show simultaneously
Show temperature measured by first temperature probe and second temperature probe 15.
The erosion of agent on crack resistance of concrete ice water is tested using the agent on crack resistance of concrete ice water erosion property experimental rig in above-described embodiment
The test method of energy, comprising the following steps:
Step 1: carry out freezing-thawing test to concrete test block 36: concrete test block 28 was put into 15-20 degree after 24 day age
Water in impregnate 4 days after take out, with wet cloth erasing 28 surface moisture of concrete test block weighing record 28 mass M of concrete test block1,
And measure 36 dynamic modulus of elasticity f of concrete test block1, super depth of field 3-D scanning is carried out to concrete test block 36 and obtains image T1, then
Freeze thawing is carried out to concrete test block 36；
Step 2: after freezing-thawing test, concrete test block 36 is fixed on test block hold-down support 24, water level is adjusted
Baffle 19 is moved to the height of needs, fills the water into annular erosion water cavity 27, until water level exceeds water level regulating fender 19, water warp
First filter ice net 18 flows into inner tank body 22 after filtering；
Step 3 starts water pump 10 and cryogenic thermostat water-bath 11, is passed through coolant liquid into coolant liquid circulation interlayer 26, uses
Cryogenic thermostat water-bath 11 persistently freezes to coolant liquid so that the water in annular erosion water cavity 27 keeps stable low-temperature condition；Inside groove
Water in body 22 is filtered after ice net 21 filters by second successively through affiliated water outlet 20, first pipe 32, water pump 10, second pipe 33
It is flowed into annular erosion water cavity 27 with water inlet 16 and forms circulating water flow；Coolant liquid recycles the coolant liquid in interlayer 26 by the
The connection cryogenic thermostat water-bath 11 of three pipelines 34 circulates refrigeration.
Step 4: closure insulation cover 14, after water flow at the uniform velocity after, by first temperature probe measure annular erosion water cavity 27
Water temperature, by second temperature probe 15 measure the water surface on air themperature, to the water temperature and water in annular erosion water cavity 27
After air themperature on face reaches the temperature of test requirements document, insulation cover 14 is opened, system in advance is added into annular erosion water cavity 27
Insulation cover 14 is closed after good ice cube, ice cube is flowed with water flow, erosion concrete test block 36；
Step 5: after reaching the erosion time, switch off the pump 10 and cryogenic thermostat water-bath 11, terminates erosion test, takes out mixed
Solidifying soil test block 36, with wet cloth erasing 36 surface moisture of concrete test block weighing record 36 weight M of concrete test block2, and measure mixed
The dynamic modulus of elasticity f of solidifying soil test block 282, carry out super depth of field 3-D scanning again to concrete test block 36 and obtain image T2；
Step 6: experimental data processing: mass loss rate △ W=(M1- M2)/M1× 100%, relative dynamic elastic modulus P
=f2 2/f1 2× 100%, test block degree of impairment is analyzed according to relative dynamic elastic modulus P, compares the super depth of field before and after erosion test
Image T1And T2, outer damage situation is observed, mass loss rate △ W is smaller, relative dynamic elastic modulus P is smaller, and outer damage is smaller
36 anti-ice water erosion of concrete test block performance it is better.
Agent on crack resistance of concrete ice water erosion property experimental rig in the present invention, water pump 10 use variable frequency pump, thus it is possible to vary punching
Brush rate carries out the ice water erosion experiment that difference is washed away under rate；The adjustable cryogenic temperature of cryogenic thermostat water-bath 11 is simultaneously kept
Constant temperature, it is minimum coolant temperature in coolant liquid circulation interlayer 26 to be dropped to subzero 30 degree, in annular erosion sink
Ice water erosion test under the different temperatures of progress provides temperature guarantee.The height of 23 side wall of outer tank body is greater than 22 side of inner tank body
The height of wall, the height of 23 side wall of outer tank body are greater than the height of concrete test block 36, concrete test block 36 are fixed on annular punching
It loses in water cavity 27, and annular erosion water is made by water outlet 20, first pipe 32, water pump 10, second pipe 33 and water inlet 16
Water circulation flowing in chamber 27, the lift by adjusting water pump 10 can adjust the flow rate of water flow in annular erosion water cavity 27,
The flow rate of water flow for adjusting erosion concrete test block 36, the cryogenic temperature by adjusting cryogenic thermostat water-bath 11 can adjust erosion
The temperature of the water flow of concrete test block 36, and erosion can be guaranteed by first temperature probe and second temperature probe 15 simultaneously
The temperature of water flow and the temperature of the atmosphere more than water surface are consistent with the temperature in simulation area, more truly reduce simulation
Temperature when regional ice flood；When test, so that water surface elevation is lower than the height of concrete test block 36, can guarantee that ice cube effectively impacts
It acts on concrete test block 36, concrete test block 36 is fixed, and the speed erosion that the water flow with ice cube can remain stable is mixed
Solidifying soil test block 36, water flow velocity is not influenced by the time, and the flow rate of water flow control precision of erosion concrete sample is high, is more in line with true
Under reality condition the case where ice water erosion test block.The survey that agent on crack resistance of concrete ice water erosion property experimental rig in the present invention can quantify
The ice water erosion test under different ice water contents, different erosion rates, different temperatures is tried, the experimental rig parameter controllability is strong,
Precision is high, and test efficiency is high, saves labour, reduces the labor intensity of testing crew, while reducing the limitation of test site, just
It is tested in interior, so as to truer simulation cold district rivers ice flood environment, high velocity stream is carried out to concrete
Dynamic ice water erosion test is accurate to test agent on crack resistance of concrete ice water erosion property.Since frost can also damage concrete, this hair
Agent on crack resistance of concrete ice water erosion property test method in bright, to concrete test block 36 carry out freezing-thawing test after again to concrete test block
36 carry out ice water erosion, and truer simulation actual environment improves the accuracy of test result；The temperature of freezing-thawing test,
Cycle-index and time can be accordingly arranged according to the weather in simulation area.First filter ice net 18 and the second filter 21 energy of ice net
Enough guarantee that ice cube will not enter water pump 10 with water circulation and damage equipment.The present invention using 100mm*100mm*100mm and
100mm*100mm*400mm standard specimen is tested, and can be compared and be tested and assessed with other performance testing experiment.
In another specific embodiment of the present invention, for the ease of releasing annular erosion water cavity 27 after erosion test
With water in inner tank body 22, the lower end of the side wall of outer tank body 23 is provided with dewatering outlet 25, and a discharge tube 7 is connected on dewatering outlet 25,
It is connected to inside discharge tube 7 and annular erosion water cavity 27, Draw off valve 8 is provided on discharge tube 7.Open discharge tube valve 8
It flows out the water in annular erosion water cavity 27 through discharge tube 7, and is adjustable the speed that discharges water.
Keep the temperature groove body 37, outer tank body 23 and inner tank body 22 are waist type groove body, thus make annular erosion water cavity 27 include according to
Secondary the first end to end rectangular cavities 38, first annular cavity 39, the second rectangular cavities 40 and the second annular housing 41 cross water
Notch 17 is set on 22 side wall of inner tank body of the second annular housing 41, and test block hold-down support 24 includes turbulent test block hold-down support
With pair stream test block hold-down support, it is solid that the bottom of the first rectangular cavities 38 and the second rectangular cavities 40 is provided with multiple turbulent test blocks
Determine support, the bottom of first annular cavity 39 is provided with a secondary stream test block hold-down support, first annular cavity 39 and the second ring
Be provided with a water inlet 26 on 23 side wall of outer tank body of shape cavity 41, each water inlet 26 by second pipeline 33 with
One water pump 10 connects.Due to the water body flow state symbol syzygies brush coagulation in the first rectangular cavities 38 and the second rectangular cavities 40
The secondary stream of the water body flow state symbol syzygies brush concrete of the turbulent condition of soil, first annular cavity 38 and the second annular housing 40
The turbulent test block hold-down support being arranged in state, first annular cavity 38 and the second annular housing 40 can be used for testing turbulent flow to mixed
The secondary fixed branch of stream test block being arranged in the ice water erosion damage of solidifying soil test block 36, first annular cavity 39 and the second annular housing 41
Seat can be used for testing secondary stream to the ice water erosion damage of concrete, can turbulent flow and secondary stream in more comprehensive simulating riverway,
It is more nearly the anti-ice water erosion property of Practical Project；Advantages of simple of the present invention is able to carry out simulation not convenient for generating and operating
The flow velocity of same type carries out ice water erosion test.
In order to stablize erosion to the flow rate of water flow of concrete test block 28, in another specific embodiment of the present invention, the
Water inlet 16 on second ring cavity 41 is collinearly arranged with the turbulent test block hold-down support in the first rectangular cavities 38, first annular
Water inlet 16 on cavity 39 is collinearly arranged with the turbulent test block hold-down support in the second rectangular cavities 40.
In another specific embodiment of the present invention, in order to avoid 17 water velocity of water indentation, there excessively is unstable, water inlet
16 shift to install with water notch 17 is crossed, and making water inlet 16, face does not cross water notch 17, and multiple holes for hoist 13 are offered on bottom plate 9,
Multiple idler wheels 12 are installed on bottom plate 9.Nigration device can be lifted by hole for hoist 13, multiple rollings are installed on bottom plate 9
Wheel 12 can be realized convenient for pushing experimental rig, facilitate experimental rig mobile, reduce place limitation.
Heat preservation groove body 37 is steel tank body, keeps the temperature and is covered with alumina-silicate ceramic fibre heat-preservation cotton carpet veneer on 37 lateral wall of groove body, and
It is provided with the insulation cover 14 for capableing of blocking test slot on test flume, the temperature leak of experimental rig can be reduced.In of the invention another
In one specific embodiment, insulation cover 14 includes that axis 5, half long annulus periphery lid 2 and half oblong keep the temperature window 4, and half is long
There are two annulus periphery lid 2 and half oblong heat preservation window 4 are respectively provided with, the both ends of axis 5 are fixedly connected on heat preservation groove body 37
Side wall on, two semicircular rings, 2 periphery lid is connected by hinge on axis 5, fixed in each half long annulus periphery lid 2
Be connected with one and half oblongs heat preservation window 4, and half long annulus periphery lid 2 be able to drive half oblong heat preservation window 4 around
Axis 5 rotates.One and half long annulus periphery lids 2 and semicircle saturating 4 form of heat preservation combine to form semicircle insulation cover, and two
Semicircle insulation cover freely independent opening closure, half long annulus periphery lid 2 of unlatching can drive the heat preservation of half oblong saturating
Form 4 is opened together；Half oblong keeps the temperature window 4 for semicircular double-layered vacuum heat-insulation glass window, outside half long annulus
Lid 2 is enclosed for steel plate production, and half long annulus periphery lid 2 can protect frangible double-layered vacuum heat-insulation glass window not to be crushed.Half
Oblong heat preservation window 4 can satisfy the need that testing crew constantly observes outer tank body 23 and the test situation in inner tank body 22
It asks.Half oblong keeps the temperature window 4 and is fixed on 2 inside of bright half long annulus periphery lid, 5 outside of axis by sealing neutral silicone resin
It is pasted with sealing strip on wall, when half oblong keeps the temperature window 4 around the rotation of axis 5, both will not influence half oblong heat preservation perspective
The opening of window 4 also can guarantee the leakproofness with axis 5, reduce temperature leak.
In another specific embodiment of the present invention, as shown in figure 4, in the two sides for crossing water notch 17 on 22 side wall of inner tank body
It is each provided with a sliding groove body 28, is provided with water level adjustment plate 19 between two sliding groove bodies 26, water level adjustment plate 19 passes through cunning
On 22 side wall of inner tank body for the two sides that the dynamic sealing of groove body 28 was slidably connected to water notch 17.
In another specific embodiment of the present invention, groove body 28 is slided as stainless steel material production, sliding groove body 26 is vertical
Be fixedly connected on the inner sidewall of inner tank body 22, sliding groove body 28 include starting stave and the second riser, starting stave side with
The inner sidewall of inner tank body 22 connects, and the other side of starting stave is connect with the second riser, and the second riser and starting stave are in 45 degree
Angle, water level adjustment plate 19 are compressed and fitted closely on the inner sidewall of inner tank body 22 by the second risers, can effectively ensure that ring
Height of water level in shape erosion water cavity 27.
In another specific embodiment of the present invention, for the ease of opening half long annulus periphery lid 2, outside each half long annulus
It encloses and is fixedly connected to leader 3 on 2 upper surface of lid；For the ease of measuring water flow temperature, first temperature probe is set to outer groove
The inner wall lower end of body 23, for the ease of the air themperature more than measurement water surface, second temperature probe 15 is set to outer tank body 23
Inner wall upper end.
In another specific embodiment of the present invention, as shown in figure 5, test block hold-down support 24 includes firm banking 35 and two
A fixed angles bracing members 29, each fixed angles bracing members 29 are fixedly connected on firm banking 35, and firm banking 35 is fixedly connected
In being equipped with a nut 30 on the bottom of annular erosion water cavity 27, a fixed angles bracing members 29,30 internal screw thread of nut is connected with
One press bolt 31.When fixing concrete test block 28, concrete test block 28 is placed between two fixed angles bracing members 29, is reversed
Press bolt 31 withstands concrete test block 36, continues torsion press bolt 31 until concrete test block 36 is fixed.
Specific examples are applied in the present invention, and principle and implementation of the present invention are described, above embodiments
Illustrate to be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, according to
According to thought of the invention, there will be changes in the specific implementation manner and application range.In conclusion the content of the present specification
It should not be construed as limiting the invention.
Claims (10)
1. a kind of agent on crack resistance of concrete ice water erosion property experimental rig, it is characterised in that: include:
Bottom plate is provided with water pump and cryogenic thermostat water-bath on the bottom plate；
Test flume, the test flume include heat preservation groove body, outer tank body and inner tank body, the heat preservation groove body, the outer tank body and institute
It states inner tank body to be fixedly installed on the bottom plate, the outer tank body set is set in the heat preservation tank body, the inner tank body set
In the outer tank body, tell heat preservation groove body and the outer tank body between formed coolant liquid circulation interlayer, the outer tank body and
Annular erosion water cavity is formed between the inner tank body, and water notch was offered on the inside groove body sidewall, it is described to cross on water notch
It is covered with the first filter ice net, sealing slidably connects a water level adjustment plate on the inside groove body sidewall for crossing water notch two sides,
The height for adjusting the water level adjustment plate can adjust height of water level in the annular erosion water cavity；The outer tank body is equipped with
Water inlet, the inner tank body bottom are equipped with water outlet, and the second filter ice net is covered on the water outlet, and the water outlet passes through first
Pipeline is connect with the water pump, and by the second piping connection, the cryogenic thermostat water-bath passes through for the water pump and the water inlet
Third pipeline is connect with coolant liquid circulation interlayer；
Test block hold-down support, the test block hold-down support are fixedly installed on the bottom of the annular erosion water cavity and for fixed mixed
Solidifying soil test block；
Insulation cover, the insulation cover are set at the top of the test flume and can close the test flume；And
Temperature meter, the temperature meter include first temperature probe, second temperature probe and temperature indicator, and described
One temp probe is used to measure the water temperature in the annular erosion water cavity, and the second temperature probe is for measuring the water surface or more
Air themperature, the temperature indicator connect with the first temperature probe and the second temperature probe and are used to show described
Temperature measured by first temperature probe and the second temperature probe.
2. agent on crack resistance of concrete ice water erosion property experimental rig according to claim 1, it is characterised in that: the outer tank body
It is provided with a discharge tube on side wall, is connected to inside the discharge tube and the annular erosion water cavity, is provided on the discharge tube
Draw off valve.
3. agent on crack resistance of concrete ice water erosion property experimental rig according to claim 2, it is characterised in that: the heat preservation tank
Body, the outer tank body and the inner tank body are waist type groove body, so that the annular erosion water cavity be made to include successively end to end
The first rectangular cavities, first annular cavity, the second rectangular cavities and the second annular housing, it is described cross water notch be set to it is described
On the inside groove body sidewall of second annular housing, the test block hold-down support includes turbulent test block hold-down support and secondary stream test block
The bottom of hold-down support, first rectangular cavities and second rectangular cavities is provided with multiple turbulent test blocks and fixes
Support, the bottom of the first annular cavity are provided with the secondary stream test block hold-down support, the first annular cavity and
The water inlet is provided on the outer groove body sidewall of second annular housing, each water inlet passes through one
A second pipeline is connect with a water pump；Water inlet and first rectangular cavity on second annular housing is intracorporal
The turbulent flow test block hold-down support is collinearly arranged, and the water inlet on the first annular cavity and second rectangular cavity are intracorporal
The turbulent flow test block hold-down support is collinearly arranged.
4. agent on crack resistance of concrete ice water erosion property experimental rig according to claim 1, it is characterised in that: opened on the bottom plate
Equipped with multiple holes for hoist, multiple idler wheels are installed on the bottom plate, the heat preservation groove body is steel tank body, the external side of heat preservation tank
Alumina-silicate ceramic fibre heat-preservation cotton carpet veneer is covered on wall.
5. agent on crack resistance of concrete ice water erosion property experimental rig according to claim 1, it is characterised in that: the insulation cover packet
Axis, half long annulus periphery lid and half oblong heat preservation window, the half long annulus periphery lid and half oblong is included to protect
There are two warm window is respectively provided with, the both ends of the axis are fixedly connected on the side wall of the heat preservation groove body, and two described half
Long annulus periphery lid is connected by hinge on the axis, is fixedly connected to one in each half long annulus periphery lid
A half oblong keeps the temperature window, and half long annulus periphery lid be able to drive the half oblong heat preservation window around
The central axis.
6. agent on crack resistance of concrete ice water erosion property experimental rig according to claim 1, it is characterised in that: the inside groove side
It is each provided with a sliding groove body in the two sides for crossing water notch on wall, is provided with the water level between the two sliding groove bodies
Adjustment plate, the water level adjustment plate are slidably connected to the described interior of the two sides for crossing water notch by the sliding groove body sealing
On groove body side wall.
7. agent on crack resistance of concrete ice water erosion property experimental rig according to claim 6, it is characterised in that: the sliding groove body
It is vertically arranged, the sliding groove body includes starting stave and the second riser, and the starting stave side is interior with the inner tank body
Side wall connection, the other side of the starting stave are connect with second riser, and second riser is in the starting stave
Acute angle, the water level adjustment plate are compressed and fitted closely on the inner sidewall of the inner tank body by second risers.
8. agent on crack resistance of concrete ice water erosion property experimental rig according to claim 5, it is characterised in that: each described half is long
Leader is fixedly connected on the cap upper surface of annulus periphery, the first temperature probe is set under the inner wall of the outer tank body
End, the second temperature probe are set to the inner wall upper end of the outer tank body.
9. agent on crack resistance of concrete ice water erosion property experimental rig according to claim 1, it is characterised in that: each test block is solid
Determining support includes firm banking and two fixed angles bracing members, and each fixed angles bracing members are fixedly connected in the fixation
On pedestal, the firm banking is fixedly connected on the bottom of the annular erosion water cavity, wears on the fixed angles bracing members
Equipped with a nut, the nut inner thread is connected with a press bolt.
10. a kind of examination using experimental rig according to any one of claims 1 to 9 test agent on crack resistance of concrete ice water erosion property
Proved recipe method, it is characterised in that: the following steps are included:
Step 1: freezing-thawing test is carried out to concrete test block: the concrete test block after maintenance being impregnated 4 days into the water and makes water
It is impregnated with concrete test block, after concrete test block is taken out, carries out visual inspection, erasing concrete test block surface moisture weighing record
Concrete test block mass M1, and measure concrete test block dynamic modulus of elasticity f1, super depth of field 3-D scanning is carried out to concrete test block and is obtained
To image T1, freeze thawing is carried out to concrete test block；
Step 2: concrete test block is fixed on the test block hold-down support, and the water level regulating fender is moved to needs
Height, filled the water into the annular erosion water cavity, until water level exceeds the water level regulating fender, water is through the first filter ice
It is flowed into after net filtration in the inner tank body；
Step 3 starts the water pump and the cryogenic thermostat water-bath, is passed through coolant liquid into coolant liquid circulation interlayer, makes
Persistently freezed to coolant liquid with the cryogenic thermostat water-bath so that the water in the annular erosion water cavity keeps stable low temperature shape
State；The intracorporal water of inside groove by it is described second filter ice net filtration after successively through the water outlet, the first pipe, the water
Pump, the second pipe, the water inlet flow into the annular erosion water cavity and form circulating water flow；
Step 4: being closed the insulation cover, after water flow at the uniform velocity after, pass through the first temperature probe and measure the annular erosion water
Intracavitary water temperature measures the air themperature on the water surface by the second temperature probe, to the water in the annular erosion water cavity
After air themperature in temperature and the water surface reaches the temperature of test requirements document, the insulation cover is opened, to the annular erosion water cavity
The insulation cover is closed after the pre-fabricated ice cube of interior addition, ice cube is flowed with water flow, erosion concrete test block；
Step 5: after reaching the erosion time, the water pump and the refrigeration machine are closed, terminates test, takes out concrete test block, is wiped
It weighs except concrete test block surface moisture and records weight M2, and measure the dynamic modulus of elasticity f of concrete test block2, to concrete test block
Super depth of field 3-D scanning is carried out again obtains image T2；
Step 6: experimental data processing: mass loss rate △ W=(M1- M2)/M1× 100%, relative dynamic elastic modulus P=f2 2/
f1 2× 100%, test block degree of impairment is analyzed according to relative dynamic elastic modulus P, compares the super depth image T before and after erosion test1
And T2, outer damage situation is observed, mass loss rate △ W is smaller, relative dynamic elastic modulus P is smaller, and outer damage is smaller to be mixed
The performance of solidifying soil test block anti-ice water erosion is better.
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| CN201810769964.0A CN108956961B (en) | 2018-07-13 | 2018-07-13 | Device and method for testing ice water erosion resistance of concrete |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110132779A (en) * | 2019-05-16 | 2019-08-16 | 中国十九冶集团有限公司 | For characterizing the three dimensional analysis method of concrete surface Scouring Characteristic |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5361631A (en) * | 1992-09-09 | 1994-11-08 | Halliburton Company | Apparatus and methods for determining the shear stress required for removing drilling fluid deposits |
| EP1039295A2 (en) * | 1999-03-19 | 2000-09-27 | Holger Behnk | System for measuring the coagulation of body fluids |
| GB0423095D0 (en) * | 2004-10-18 | 2004-11-17 | Mf Refrigeration Ltd | Cooling device |
| CN102841027A (en) * | 2011-06-21 | 2012-12-26 | 厦门市宏业工程建设技术有限公司 | Test device and test method for measuring erosion and abrasion resistance of hydraulic concrete |
| US20140321597A1 (en) * | 2012-05-21 | 2014-10-30 | Smr Inventec, Llc | Loss-of-coolant accident reactor cooling system |
| CN104483257A (en) * | 2014-12-27 | 2015-04-01 | 长安大学 | Road cement concrete flowing water washout tester and use method thereof |
| CN105628596A (en) * | 2015-12-22 | 2016-06-01 | 中铁西南科学研究院有限公司 | Corrosion testing apparatus and implementing method thereof |
| CN106706456A (en) * | 2017-03-06 | 2017-05-24 | 黑龙江省水利科学研究院 | Device and method for testing ice water washout resistance of concrete revetment and concrete protecting-slope |
| CN206656948U (en) * | 2017-04-14 | 2017-11-21 | 桂林理工大学 | A kind of device of the latent erosion of temperature control lab simulation karst |
| JP2018025378A (en) * | 2016-08-01 | 2018-02-15 | 三菱重工冷熱株式会社 | Ice making method and environmental test method |
| CN108107068A (en) * | 2017-12-11 | 2018-06-01 | 内蒙古工业大学 | The test method of lightweight aggregate concrete hole icing rate under Frozen-thawed cycled |
| CN208367006U (en) * | 2018-07-13 | 2019-01-11 | 内蒙古工业大学 | Agent on crack resistance of concrete ice water erosion property experimental rig |
-
2018
- 2018-07-13 CN CN201810769964.0A patent/CN108956961B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5361631A (en) * | 1992-09-09 | 1994-11-08 | Halliburton Company | Apparatus and methods for determining the shear stress required for removing drilling fluid deposits |
| EP1039295A2 (en) * | 1999-03-19 | 2000-09-27 | Holger Behnk | System for measuring the coagulation of body fluids |
| GB0423095D0 (en) * | 2004-10-18 | 2004-11-17 | Mf Refrigeration Ltd | Cooling device |
| CN102841027A (en) * | 2011-06-21 | 2012-12-26 | 厦门市宏业工程建设技术有限公司 | Test device and test method for measuring erosion and abrasion resistance of hydraulic concrete |
| US20140321597A1 (en) * | 2012-05-21 | 2014-10-30 | Smr Inventec, Llc | Loss-of-coolant accident reactor cooling system |
| CN104483257A (en) * | 2014-12-27 | 2015-04-01 | 长安大学 | Road cement concrete flowing water washout tester and use method thereof |
| CN105628596A (en) * | 2015-12-22 | 2016-06-01 | 中铁西南科学研究院有限公司 | Corrosion testing apparatus and implementing method thereof |
| JP2018025378A (en) * | 2016-08-01 | 2018-02-15 | 三菱重工冷熱株式会社 | Ice making method and environmental test method |
| CN106706456A (en) * | 2017-03-06 | 2017-05-24 | 黑龙江省水利科学研究院 | Device and method for testing ice water washout resistance of concrete revetment and concrete protecting-slope |
| CN206656948U (en) * | 2017-04-14 | 2017-11-21 | 桂林理工大学 | A kind of device of the latent erosion of temperature control lab simulation karst |
| CN108107068A (en) * | 2017-12-11 | 2018-06-01 | 内蒙古工业大学 | The test method of lightweight aggregate concrete hole icing rate under Frozen-thawed cycled |
| CN208367006U (en) * | 2018-07-13 | 2019-01-11 | 内蒙古工业大学 | Agent on crack resistance of concrete ice water erosion property experimental rig |
Non-Patent Citations (4)
| Title |
|---|
| HA K S等: "An Evaluation of a Direct Corium Cooling Method for the Ex-Vessel Melt Retention", INTERNATIONAL CONFERENCE ON NUCLEAR ENGINEERING, vol. 49316, pages 359 - 367 * |
| LEE G K等: "Current coal-fired boiler technology in China", JOURNAL OF THE INSTITUTE OF ENERGY, vol. 58, pages 197 - 209 * |
| 拾兵等: "冰盖下水流纵向紊动特性的试验研究", 中国海洋大学学报(自然科学版), vol. 45, no. 5, pages 101 - 106 * |
| 王萧萧等: "天然浮石混凝土孔溶液结冰规律的研究", 材料导报, vol. 31, no. 6, pages 130 - 135 * |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110132779A (en) * | 2019-05-16 | 2019-08-16 | 中国十九冶集团有限公司 | For characterizing the three dimensional analysis method of concrete surface Scouring Characteristic |
| CN111060282A (en) * | 2019-12-12 | 2020-04-24 | 河海大学 | But U type experiment basin of straight section and curved section split |
| CN111060282B (en) * | 2019-12-12 | 2020-07-31 | 河海大学 | But U type experiment basin of straight section and curved section split |
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| CN113281208A (en) * | 2021-05-12 | 2021-08-20 | 桃源县水电工程建设有限责任公司 | Concrete ice water erosion resistance performance test device |
| CN115201098A (en) * | 2022-07-20 | 2022-10-18 | 刘泓江 | Bridge corrosion simulation test device for acid sedimentation |
| CN115201098B (en) * | 2022-07-20 | 2023-04-18 | 刘泓江 | Bridge corrosion simulation test device for acid sedimentation |
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