CN107044949A - A kind of device and its application method for determining concrete surface silane coating water absorption rate - Google Patents
A kind of device and its application method for determining concrete surface silane coating water absorption rate Download PDFInfo
- Publication number
- CN107044949A CN107044949A CN201710015433.8A CN201710015433A CN107044949A CN 107044949 A CN107044949 A CN 107044949A CN 201710015433 A CN201710015433 A CN 201710015433A CN 107044949 A CN107044949 A CN 107044949A
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- water
- box
- test box
- absorption rate
- concrete
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 135
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 30
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 229910000077 silane Inorganic materials 0.000 title claims abstract description 27
- 239000011248 coating agent Substances 0.000 title claims abstract description 20
- 238000000576 coating method Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000012360 testing method Methods 0.000 claims abstract description 82
- 230000000694 effects Effects 0.000 claims abstract description 10
- 230000008020 evaporation Effects 0.000 claims abstract description 9
- 238000001704 evaporation Methods 0.000 claims abstract description 9
- 238000001179 sorption measurement Methods 0.000 claims abstract description 9
- 238000002474 experimental method Methods 0.000 claims abstract description 7
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 229920005479 Lucite® Polymers 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 6
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 6
- 229920006334 epoxy coating Polymers 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 238000007598 dipping method Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000003020 moisturizing effect Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000003556 assay Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/088—Investigating volume, surface area, size or distribution of pores; Porosimetry
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- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
- Revetment (AREA)
Abstract
The invention discloses a kind of device and its application method for determining concrete surface silane coating water absorption rate, cuboid test box including top open, multiple support sticks being fixed on bottom surface are provided with inside test box, described support stick is used to make somebody a mere figurehead concrete sample, and the peak of all support sticks is located at same level；In damper box of the outside of test box provided with a top surface open, there is a discharge outlet on one side of damper box, another side on the other side is provided with a water inlet, and the position of described water inlet is higher than discharge outlet；Damper box is connected with communicating pipe with test box, and it is used for the water surface elevation of Control experiment box；Pick and place concrete sample, concrete sample water sorption and moisture evaporation effect water surface elevation can be caused to change when, pass through water inlet water filling, discharge outlet draining, keeps damper box water level inside constant, then keeps test box water level inside constant by communicating pipe.
Description
Technical field
The present invention relates to field of civil engineering, more particularly to a kind of device for determining concrete surface silane coating water absorption rate
And its application method.
Technical background
Impregnating with silane is a kind of for harbour engineering splash zone concrete structural surface corrosion-resistant measure.Concrete surface is passed through
Cross after silane coating processing, with the effect for preventing that extraneous water from immersing.Ministry of Communications's specification《Concrete for marine works structural anticorrosion skill
Art specification》(JTJ 275-2000) is provided, concrete structure passes through before and after silane surface coating, the reduction of silane coating face water absorption rate
It is worth as the index for evaluating waterproof effect.The specification is made that regulation to the assay method of water absorption rate, but without reference to specific
Experimental rig.Glass bar size, shape for making somebody a mere figurehead concrete sample, and the position placed, can influence concrete to soak
The area that the water surface is blocked by glass bar, and the inclined degree that concrete sample is placed, and then influence water absorption rate measurement result.Take
Concrete sample, concrete sample water sorption are put, and moisture evaporation effect can cause water surface elevation to change, artificial recharge amount
Whard to control, the distance of influence concrete in water test specimen dipping face and the water surface causes the water pressure that concrete is impregnated at face to produce
Change, final influence water absorption rate measurement result.
Therefore need to study a kind of device for determining concrete surface silane coating water absorption rate.
The content of the invention
The purpose of the present invention is exactly to determine concrete surface silane coating water absorption rate there is provided one kind to solve the above problems
Device and its application method.
To achieve these goals, the present invention is adopted the following technical scheme that：
A kind of device for determining concrete surface silane coating water absorption rate, includes the cuboid test box of top open,
Multiple support sticks being fixed on bottom surface are provided with inside described test box, described support stick is used to make somebody a mere figurehead concrete examination
Part, and the peak of all support sticks is located at same level；In the outside of described test box provided with a top surface open
Damper box, have a discharge outlet on described one side of damper box, another side on the other side is provided with one
Water inlet, the position of described water inlet is higher than discharge outlet；Described damper box is connected with communicating pipe with test box, and it is used to control
The water surface elevation of test box processed.
Water surface elevation can be caused to change picking and placeing concrete sample, concrete sample water sorption and moisture evaporation effect
When, damper box water level inside can be kept constant, then kept by communicating pipe by water inlet water filling, discharge outlet draining
Test box water level inside is constant.
The purpose of damper box, on the one hand for keeping test box water level inside constant, the opposing party are set in the present invention
Face can make test box keep water body static during moisturizing.
Further, the making material of described test box is plastics or lucite.
Further, described support stick includes the two parts up and down strong bonded together, and wherein lower part is length
Cube, this is partially disposed on test box bottom surface；Upper part is semicylinder, and the part is used to support concrete sample.
Further, between quantity determination of the described support stick quantity according to concrete sample, adjacent supports rod
Determine that the peak of all support sticks is on same horizontal plane, parallel to test box away from the size according to concrete sample
The individual unidirectional insertion arrangement in side, and it is fixed on test box bottom surface.
Further, the mouth of a river is crossed in described support stick side provided with insertion.
Further, the making material of described support stick is plastics or lucite.
Further, described communicating pipe is flexible rubber pipe, and two is respectively fitted over the communicating pipe of test box and damper box
Interface, for connection test box and damper box, connects the height of interface tube at the half of support stick height.
There are a rectangle discharge outlet, draining with connecting the adjacent side in interface tube place face in damper box in the present invention
The minimum point of mouth will be higher by 1~2mm of support stick peak.
Further, discharge outlet horizontal sides are long, can improve drainage efficiency.
There are a circular water inlet, the minimum point of circular water inlet in damper box on the side relative with face where discharge outlet
It is higher by 10~30mm of minimum point of discharge outlet.
A kind of application method of the device for the concrete dipping face water absorption rate for being used to determine silane surface dipping, specific steps
It is as follows：
1) test box and damper box are just being placed on smooth testing stand, by communicating pipe test box and the company of damper box
It is logical；
2) water pipe is connected on the water inlet of damper box, and water filling；
3) current of water inlet, after the stable water outlet of discharge outlet, are reached sufficiently small, energy by test box and damper box water surface hold the line
Concrete sample water sorption, and the water loss that moisture evaporation effect can be caused enough are supplemented, when test specimen is picked and placeed
Inflow can be increased, it is ensured that water surface elevation is basicly stable in test box；
4) bottom surface is impregnated the concrete of silane, uses epoxy coating good seal with top surface sideways, bottom surface down, according to certain
Order is fitly placed on support stick；
5) according to the 5 of code requirement, 10,30,60,120,140min time intervals, concrete sample is taken out, is stood after weighing
Put back to.
6) after off-test, water filling is stopped.The water in test box and damper box is outwelled, communicating pipe is removed, you can.
Compared with prior art, the present invention has advantages below：
1) support stick is fixed on test box, as long as concrete sample is put neatly, water-absorption surface is blocked the area of part
Just identical, effective water absorption area is just identical, can reduce between multiple test specimens by effective water absorption area it is different caused by experiment miss
Difference.
2) support stick side have insertion cross the mouth of a river, can as make-up water passage, if there is no the mouth of a river, make-up water
It will be flowed through from support stick top surface, concrete can be caused, which to impregnate, current at face, influence experimental result.
3) damper box is devised, concrete sample water sorption, and water surface elevation caused by moisture evaporation effect is supplemented
Change, can be highly stable with the water surface in Control experiment box.
4) water inlet and discharge outlet are all designed in damper box, can at utmost reduce the disturbance of test box reclaimed water.
5) the communicating pipe connection of test box and damper box rubber system, facilitates two box assemblings, takes apart and after being finished
Place, the space of placement can also be reduced.
6) apparatus of the present invention can standardize the concrete moisture content test, at utmost reduce the discrete of result of the test
Property, improve the comparativity of the result of the test between each group experiment or each testing crew.
7) apparatus of the present invention are simple to operate.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
These accompanying drawings obtain other accompanying drawings.
Top view after Fig. 1 test boxs and damper box assembling；
Fig. 2 damper box side views；
Fig. 3 support stick front views；
Fig. 4 support stick side views；
In figure：1 test box, 2 damper boxs, 3 communicating pipes, 4 connection interface tubes, 5 support sticks, 6 discharge outlet, 7 water inlets, 8 mistakes
The mouth of a river.
Embodiment
The present invention is described in detail below in conjunction with the accompanying drawings：
Embodiment 1
As Figure 1-4, a kind of concrete for being used to determine silane surface dipping impregnates the device of face water absorption rate, including pushes up
The cuboid test box 1 of portion's open, is provided with multiple support sticks 5 being fixed on bottom surface, described support inside test box 1
Rod 5 is used to make somebody a mere figurehead concrete sample, and the peak of multiple support sticks 5 is located at same level；In the outer of described test box 1
Damper box 2 of the portion provided with a top surface open, has a discharge outlet 6, in contrast on described 2 one sides of damper box
Another side provided with water inlet 7, the position of described water inlet 7 is higher than discharge outlet；Described damper box connects
Siphunculus is connected with test box, and it is used for the water surface elevation of Control experiment box.
Water inlet and discharge outlet are all designed in damper box, can at utmost reduce the disturbance of test box reclaimed water.
Water surface elevation can be caused to change picking and placeing concrete sample, concrete sample water sorption and moisture evaporation effect
When, damper box water level inside can be kept constant, then kept by communicating pipe by water inlet water filling, discharge outlet draining
Test box water level inside is constant.
The purpose of damper box, on the one hand for keeping test box water level inside constant, the opposing party are set in the present invention
Face can make test box keep water body static during moisturizing.
Further, test box 1 is the cuboid of a face open, the making material of described test box 1 for plastics or
Lucite.
Further, support stick 5 includes two parts up and down of strong bonded, and wherein lower part is cuboid, the part
It is placed on test box bottom surface；Upper part is semicylinder, and the part is used to support concrete sample.
Part cuboid under support stick, can be securely fixed on bottom surface；Top is divided into semicylinder, reduces branch as far as possible
The contact area between rod and concrete sample is supportted, i.e., avoids influenceing the contact area of concrete sample bottom surface and water as far as possible.
Support stick is fixed on test box, as long as concrete sample is put neatly, water-absorption surface is blocked the area of part just
Identical, effective water absorption area is just identical, can reduce between multiple test specimens by effective water absorption area it is different caused by experimental error.
Further, between quantity determination of the described quantity of support stick 5 according to concrete sample, adjacent supports rod
Determine that the peak of all support sticks is on same horizontal plane, parallel to test box away from the size according to concrete sample
The individual unidirectional insertion arrangement in side, and it is fixed on test box bottom surface.
Further, there is the mouth of a river excessively of insertion the excessively mouth of a river 8 of the described side of support stick 5 provided with insertion, support stick side,
Can as make-up water passage, if not having the mouth of a river, make-up water can all flow through from support stick top surface, concrete can be caused to soak
There are current at stain face, influence experimental result.
Further, the making material of described support stick 5 is plastics or lucite.
Further, described communicating pipe is flexible rubber pipe, and two is respectively fitted over the communicating pipe of test box and damper box
Interface, for connection test box and damper box, the peak of the connection mouth of pipe is less than the peak of support stick.
It is used for communicating pipe supplementing water in real time to test box, principle is the same height of the water surface of Control experiment box and damper box, therefore
It is required that the peak of the connection mouth of pipe is less than the peak of support stick.
There are a rectangle discharge outlet, draining with connecting the adjacent side in interface tube place face in damper box in the present invention
The minimum point of mouth will be higher by 1~2mm of support stick peak.
Further, the minimum point of discharge outlet described here is exactly test box and the water surface elevation of damper box, Ministry of Communications
Specification《Concrete for marine works structural anticorrosion technical specification》(JTJ 275-2000) provides the water surface 1 on concrete sample bottom surface
~2mm, the i.e. water surface will be higher by 1~2mm of support stick peak.
Further, discharge outlet horizontal sides are long, can improve drainage efficiency.
There are a circular water inlet, the minimum point of circular water inlet in damper box on the side relative with face where discharge outlet
Being higher by minimum point a certain distance of discharge outlet, i.e. water inlet and discharge outlet has certain altitude difference, it is ensured that water surface elevation is permanent
It is fixed；It is preferred that, range difference could be arranged to 10~30mm.
Embodiment 2
The concrete for determining silane surface dipping for being used in embodiment 1 impregnates the device of face water absorption rate, this implementation
Example gives the application method of the device, comprises the following steps that：
1) test box and damper box are just being placed on smooth testing stand, by communicating pipe test box and the company of damper box
It is logical；
2) water pipe is connected on the water inlet of damper box, and water filling；
3) current of water inlet, after the stable water outlet of discharge outlet, are reached sufficiently small, energy by test box and damper box water surface hold the line
Concrete sample water sorption, and the water loss that moisture evaporation effect can be caused enough are supplemented, when test specimen is picked and placeed
Inflow can be increased, it is ensured that water surface elevation is basicly stable in test box；
4) bottom surface is impregnated the concrete of silane, uses epoxy coating good seal with top surface sideways, bottom surface down, according to certain
Order is fitly placed on support stick；
5) according to the 5 of code requirement, 10,30,60,120,140min time intervals, take out concrete sample, stood after weighing
Put back to.
6) after off-test, water filling is stopped.The water in test box and damper box is outwelled, communicating pipe is removed, you can.
Although above-mentioned the embodiment of the present invention is described with reference to accompanying drawing, not to present invention protection model
The limitation enclosed, one of ordinary skill in the art should be understood that on the basis of technical scheme those skilled in the art are not
Need to pay various modifications or deform still within protection scope of the present invention that creative work can make.
Claims (10)
1. a kind of device for determining concrete surface silane coating water absorption rate, it is characterised in that including the rectangular of top open
Body test box, is provided with multiple support sticks being fixed on bottom surface inside described test box, and described support stick is used to make somebody a mere figurehead
Concrete sample, and the peak of all support sticks is located at same level；In the outside of described test box provided with a top
The damper box of face open, has on a discharge outlet, another side on the other side on described one side of damper box
Provided with a water inlet, the position of described water inlet is higher than discharge outlet；Described damper box is connected with communicating pipe with test box,
It is used for the water surface elevation of Control experiment box；Make picking and placeing concrete sample, concrete sample water sorption and moisture evaporation
During with water surface elevation can be caused to change, by water inlet water filling, discharge outlet draining keeps damper box water level inside constant,
Keep test box water level inside constant by communicating pipe again.
2. the device as claimed in claim 1 for being used to determine concrete surface silane coating water absorption rate, it is characterised in that described
Test box making material be plastics or lucite.
3. the device as claimed in claim 1 for being used to determine concrete surface silane coating water absorption rate, it is characterised in that described
Support stick include two parts up and down of strong bonded, wherein lower part is cuboid, and this is partially disposed in test box bottom surface
On；Upper part is semicylinder, and the part is used to support concrete sample.
4. the device as claimed in claim 1 for being used to determine concrete surface silane coating water absorption rate, it is characterised in that described
Support stick quantity determined according to the quantity of concrete sample, size of the spacing between adjacent supports rod according to concrete sample
It is determined that.
5. the device as claimed in claim 1 for being used to determine concrete surface silane coating water absorption rate, it is characterised in that described
Support stick side provided with insertion cross the mouth of a river.
6. the device as claimed in claim 1 for being used to determine concrete surface silane coating water absorption rate, it is characterised in that described
Support stick making material be plastics or lucite.
7. the device as claimed in claim 1 for being used to determine concrete surface silane coating water absorption rate, it is characterised in that described
Communicating pipe be flexible rubber pipe, two is respectively fitted over test box and the communicating pipe interface of damper box, for connection test box
And damper box, the height of interface tube is connected at the half of support stick height.
8. the device as claimed in claim 1 for being used to determine concrete surface silane coating water absorption rate, it is characterised in that described
The minimum point of discharge outlet to be higher by 1~2mm of support stick peak.
9. the device as claimed in claim 1 for being used to determine concrete surface silane coating water absorption rate, it is characterised in that described
Water inlet for a circular water inlet, the minimum point of circular water inlet is higher by 10~30mm of minimum point of discharge outlet.
10. a kind of application method for the device for determining concrete surface silane coating water absorption rate, it is characterised in that specific steps are such as
Under：
1) test box and damper box are just being placed on smooth testing stand, are passing through communicating pipe connecting test box and damper box；
2) water pipe is connected on the water inlet of damper box, and water filling；
3) test box and damper box water surface hold the line, after the stable water outlet of discharge outlet, reach the current of water inlet sufficiently small, can mend
Fill concrete sample water sorption, and the water loss that moisture evaporation effect can be caused, can be with when test specimen is picked and placeed
Increase inflow, it is ensured that water surface elevation is basicly stable in test box；
4) bottom surface is impregnated the concrete of silane, uses epoxy coating good seal with top surface sideways, bottom surface down, according to certain order
Fitly it is placed on support stick；
5) according to the 5 of code requirement, 10,30,60,120,140min time intervals, concrete sample is taken out, is put immediately after weighing
Go back；
6) after off-test, water filling is stopped；The water in test box and damper box is outwelled, communicating pipe is removed, you can.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710015433.8A CN107044949B (en) | 2017-01-10 | 2017-01-10 | Device for measuring water absorption rate of concrete surface silane coating and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710015433.8A CN107044949B (en) | 2017-01-10 | 2017-01-10 | Device for measuring water absorption rate of concrete surface silane coating and application method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107044949A true CN107044949A (en) | 2017-08-15 |
| CN107044949B CN107044949B (en) | 2023-05-09 |
Family
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|---|---|---|---|
| CN201710015433.8A Active CN107044949B (en) | 2017-01-10 | 2017-01-10 | Device for measuring water absorption rate of concrete surface silane coating and application method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113533141A (en) * | 2021-06-28 | 2021-10-22 | 中交上海三航科学研究院有限公司 | Method for testing water absorption of silane impregnated concrete |
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| WO2012133784A1 (en) * | 2011-03-31 | 2012-10-04 | 国立大学法人横浜国立大学 | Water absorption test method and water absorption test device for concrete surface |
| CN104926366A (en) * | 2015-06-05 | 2015-09-23 | 哈尔滨工业大学 | Preparation method for concrete silane paste impregnation waterproof agent |
| CN105866007A (en) * | 2016-05-27 | 2016-08-17 | 大连理工大学 | Device and method for testing concrete capillary water absorption under sustained load functions |
| CN206387699U (en) * | 2017-01-10 | 2017-08-08 | 山东大学 | A kind of device for determining concrete surface silane coating water absorption rate |
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2017
- 2017-01-10 CN CN201710015433.8A patent/CN107044949B/en active Active
Patent Citations (5)
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| WO2012133784A1 (en) * | 2011-03-31 | 2012-10-04 | 国立大学法人横浜国立大学 | Water absorption test method and water absorption test device for concrete surface |
| CN103460006A (en) * | 2011-03-31 | 2013-12-18 | 国立大学法人横浜国立大学 | Water absorption test method and water absorption test device for concrete surface |
| CN104926366A (en) * | 2015-06-05 | 2015-09-23 | 哈尔滨工业大学 | Preparation method for concrete silane paste impregnation waterproof agent |
| CN105866007A (en) * | 2016-05-27 | 2016-08-17 | 大连理工大学 | Device and method for testing concrete capillary water absorption under sustained load functions |
| CN206387699U (en) * | 2017-01-10 | 2017-08-08 | 山东大学 | A kind of device for determining concrete surface silane coating water absorption rate |
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| Title |
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| CN113533141A (en) * | 2021-06-28 | 2021-10-22 | 中交上海三航科学研究院有限公司 | Method for testing water absorption of silane impregnated concrete |
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| CN107044949B (en) | 2023-05-09 |
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