CN108037027A - A kind of detection device and detection method to assembled architecture fluid sealant durability - Google Patents
A kind of detection device and detection method to assembled architecture fluid sealant durability Download PDFInfo
- Publication number
- CN108037027A CN108037027A CN201711414785.7A CN201711414785A CN108037027A CN 108037027 A CN108037027 A CN 108037027A CN 201711414785 A CN201711414785 A CN 201711414785A CN 108037027 A CN108037027 A CN 108037027A
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- compression
- ultraviolet irradiation
- babinet
- test specimen
- fluid sealant
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/04—Measuring adhesive force between materials, e.g. of sealing tape, of coating
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
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- 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)
Abstract
The present invention is proposed a kind of detection device and detection method to assembled architecture fluid sealant durability, including babinet and Compression and Expansion circulator, the babinet have outward swinging door, and ultraviolet irradiation lamp, distillation sprinkler head are provided with babinet；Detection method prepares before including 1. experiments：I-shaped sample is made in glue sample；2. experimental condition：Test speed 1mm/min, Compression and Expansion amplitude are 30%, ultraviolet irradiation power of lamp tube 300W, and for fluorescent tube away from test specimen 250mm, spray leaving water temperature is (45 ± 5) DEG C；3. test procedure：Open switch-mode regulation box to start counting up, open ultraviolet irradiation lamp and distillation sprinkler head, after Compression and Expansion circulates 2000 times, see whether test specimen occurs bond damage with cement bonded sand lumps base material bonding part.The innovative point of the present invention is：Acted on while with the addition of sunlight, rainwater, temperature, change in displacement in prior art detection, more accurately simulate effect of the natural environment to assembled architecture fluid sealant so that detection data are more accurately and reliably.
Description
Technical field
The invention belongs to green building and building industrialization technical field, and in particular to one kind simulation large natural environment is (too
Sunlight, the comprehensive function such as rainwater and external force load) to the device for detecting durability and detection method of assembled architecture fluid sealant.
Background technology
With the emergence of assembled architecture, assembled architecture outer wall plate stitch is selected more aobvious important with fluid sealant, it is desirable to is sealed
Glue have excellent caking property, weatherability, can the basic demand such as brushability.Silane modified polyether seal glue is a kind of to hold silane
Base polyethers (using polyethers as main chain, both ends siloxane blocking) is high-performance environment-friendly fluid sealant prepared by basic polymer.Because of it
The advantages of having silicone sealant and polyurethane sealant concurrently and strong point, show excellent weatherability, durability, high anti-deformation
The advantages that displacement capacity, good caking property, covering with paint property, the friendly property of environment, low staining, low-viscosity and excellent workability,
Increasingly obtain the concern of domestic construction industry.
The quality of assembled architecture fluid sealant durability directly affects the water resistance of assembled building joint, present
Standard JC/T 485-2007《Building window elastic sealant》Middle durability method may be summarized to be " first stretches immersion, then surely
Compression heating, stretching cooling, last tension-compression circulation ".This method does not consider the ultraviolet in natural environment in sunlight
Influence to fluid sealant endurance quality, does not also consider many factors (sunlight, rainwater, temperature, change in displacement in natural environment
Deng) comprehensive function to fluid sealant.
The content of the invention
The technical problems to be solved by the invention are to overcome the deficiencies of the prior art and provide a kind of simulation large natural environment
The detection device and detection side of (sunlight, the comprehensive function such as rainwater and external force load) to assembled architecture fluid sealant durability
Method.
To solve above technical problem, solution of the invention is：
A kind of detection device to assembled architecture fluid sealant durability, it is characterised in that：Circulated including babinet and Compression and Expansion
Device, the babinet have outward swinging door, and ultraviolet irradiation lamp, distillation sprinkler head are provided with babinet；The examination of Compression and Expansion circulator
Sample grab tensile part is in babinet, motor control part outside the enclosure；Parts in babinet be adjustable plate -1, fixture block,
Adjustable plate -2, side support plate -1, baffle -1, bottom plate, baffle -2；The parts of outside the enclosure are switch-mode regulation box, counter, horse
Reach, adjust box support, motor fixed plate, side support plate -2, baffle -3, damper box fixed plate.
The ultraviolet irradiation lamp position is in babinet inner top, and power of lamp tube 300W, fluorescent tube is away from test specimen 250mm.
The distillation sprinkler head is located at box inside face, and spray leaving water temperature is (45 ± 5) DEG C.
Present invention further proposes a kind of detection method to assembled architecture fluid sealant durability：
1. the preparation before experiment：Certain brand glue common in market is selected, according to JC/T 881-2001《Concrete construction
Seam fluid sealant》5.1.2 I-shaped sample is made in requirement, and base material is reinforced cement-mortar board, and test specimen quantity is 6, sample group 3
It is a, spare group 3, conserve 28 days at the standard conditions；
2. experimental condition：Test speed 1mm/min, tension-compression amplitude are 30%, the ultraviolet with the effect of rainwater spray
The ultraviolet irradiation of irradiation box has related parameter according to JC/T 485-2007《Building window elastic sealant》Requirement in 5.12, lamp
Tube power 300W, fluorescent tube is away from test specimen 250mm, ultraviolet irradiation intensity (2000~3000) μ W/cm2；Spraying leaving water temperature is
(45±5)℃；
3. test procedure：Endurancing is carried out in accordance with the following methods, and test specimen is put into tension-compression circulation dress first
Put in fixture block, then tension-compression circulator is put into the ultraviolet irradiation case with the effect of rainwater spray, is then shut off spoke
According to chamber door, ultraviolet irradiation lamp to be opened, and then opens switch-mode regulation box, counter starts counting up, and opens distillation sprinkler head,
Spray equipment sprays once every half an hour, spray flux 200ml/min, duration 5min, after Compression and Expansion circulates 2000 times, stops
Experiment, closes ultraviolet irradiation lamp successively, distills sprinkler head and tension-compression circulator switch-mode regulation box, then by test specimen from
Taken out in fixture block, see whether test specimen occurs bond damage with cement bonded sand lumps base material bonding part.
The innovative point of the present invention is：
1st, acted on while with the addition of sunlight, rainwater, temperature, change in displacement in prior art detection, more accurate mould
Effect of the natural environment to assembled architecture fluid sealant is intended so that detection data are more accurately and reliably.
2nd, structure of the detecting device advantages of simple of the present invention, the degree of automation height, good reliability.
Brief description of the drawings
Below in conjunction with the accompanying drawings and specific embodiment, the present invention will be further described in detail.
Fig. 1 is the detection case structure diagram of simulating natural environment；
Fig. 2 is Compression and Expansion circulator structure diagram；
Fig. 3 is I-shaped sample schematic diagram；
Fig. 4 is Fig. 3 A-A profiles；
In figure：1st, babinet, 2, ultraviolet irradiation lamp, 3, distillation sprinkler head, 4, Compression and Expansion circulator, 5, switch-mode regulation
Box, 6, counter, 7, motor, 8, adjust box support, 9, motor fixed plate, 10, adjustable plate -1,11, fixture block, 12, adjustable plate -
2,13, side support plate -1,14, baffle -1,15, bottom plate, 16, baffle -2,17, side support plate -2,18, baffle -3,19, adjust
Box fixed plate, 20, reinforced cement-mortar board, 21, sample, 22, isolation cushion block, 23, isolation cushion block.
Embodiment
Fig. 1 and Fig. 2 one embodiment that the invention has been described.
As seen from Figure 1, the detection case of simulating natural environment be by babinet 1, installed in the ultraviolet irradiation lamp 2 of casing top,
Distillation sprinkler head 3 installed in body side upper end, and Compression and Expansion circulator 4 on box bottom are formed.
Fig. 2 is 4 structure diagram of Compression and Expansion circulator, this is prior art, refers to JC/T 485-2007《Build
Build window elastic sealant》In detection device.
Compares figure 1, Fig. 2, it is a kind of to simulate detection device of the large natural environment to assembled architecture fluid sealant durability, including babinet
1 and Compression and Expansion circulator 4, the babinet 1 have outward swinging door, be provided with babinet ultraviolet irradiation lamp 2, distillation sprinkler head 3；Draw
The sample holder stretched portion of compression circulator 4 is stretched in babinet, motor control part outside the enclosure；Zero in babinet
Part is adjustable plate -1 (10), fixture block 11, adjustable plate -2 (12), side support plate -1 (13), baffle -1 (14), bottom plate 15, baffle -2
(16)；The parts of outside the enclosure are switch-mode regulation box 5, counter 6, motor 7, adjust box support 8, is motor fixed plate 9, collateral
Fagging -2 (17), baffle -3 (18), damper box fixed plate 19.The ultraviolet irradiation lamp 2 is located at babinet inner top, power of lamp tube
300W, fluorescent tube away from test specimen 250mm,.The distillation sprinkler head 3 is located at box inside face, and spray leaving water temperature is (45 ± 5) DEG C.
A part for Compression and Expansion circulator 4 is placed in babinet, a part puts outside the enclosure, its advantage is：One side
Face ensure that sample in tension-compression cyclic process from the masking of any object, can obtain defined illumination and drench with rain,
On the other hand protection motor and other tension-compression device parts extend the service life from the influence of ultraviolet and rainwater.
Below against Fig. 1, Fig. 2, Fig. 3, Fig. 4, the detection method of detection device of the present invention is described in detail：
A, the preparation before testing：Select common four kinds of assembled architecture fluid sealants in market first, 1, MS glue：Select day
The MS-2500 of Ben Simeiding；2nd, MS glue：Select the SMP651 of Guangzhou white clouds；3rd, silicone adhesive：Select silicon treasured 668；4th, polyurethane is close
Sealing：West card 150 is selected, according to JC/T 881-2001《Concrete construction seam fluid sealant》5.1.2 I-shaped is made in requirement
Type sample, base material are reinforced cement-mortar board.Compares figure 3, Fig. 4, comprise the following steps that：A, reinforced cement-mortar board table is removed with absorbent gauze
Float ash in face.B, two pieces of bonding substrates (reinforced cement-mortar board) are isolated into cushion block assembling with two pieces on adhesive (PET polyester films)
Into cavity.Then test specimen is made in cavity in the sealing material sample pointing that 24h will be anticipated at (23 ± 2) DEG C.C, exist
((23 ± 2) DEG C, (45 ± 5) %RH) maintenance 28 days under standard conditions, test specimen quantity are 6, sample group 3, spare group 3.
B, experimental condition：Test speed 1mm/min, tension-compression amplitude are 30%, the ultraviolet with the effect of rainwater spray
The ultraviolet irradiation of irradiation box has related parameter according to JC/T 485-2007《Building window elastic sealant》Detection in 5.12 will
Ask, power of lamp tube 300W, fluorescent tube is away from test specimen 250mm, ultraviolet irradiation intensity (2000~3000) μ W/cm2；Spray leaving water temperature
For (45 ± 5) DEG C；
C, test procedure：Compares figure 1, Fig. 2, carry out endurancing in accordance with the following methods, and test specimen is put into drawing first
Stretch-compress in circulator fixture block 11, tension-compression circulator sample parts are then put into the purple with the effect of rainwater spray
In outside line irradiation box, irradiation chamber door is then shut off, opens ultraviolet irradiation lamp 2, and then opens switch-mode regulation box 5, counter 6 is opened
Begin to count, and open distillation sprinkler head 3, spray equipment sprays once every half an hour, and spray leaving water temperature is (45 ± 5)
DEG C, spray flux 200ml/min, duration 5min, Compression and Expansion circulation respectively 1000 times, 2000 times, 3000 times, 4000 times,
After 5000 times, stop experiment, close ultraviolet irradiation lamp 2 successively, distill sprinkler head 3 and tension-compression circulator switch-mode regulation
Box 5, then 11 taking-up out of fixture block by test specimen, sees whether test specimen occurs bond damage with cement bonded sand lumps base material bonding part.
Testing result
Its caking property changes table under rainwater spray and under ultraviolet irradiation after tension-compression cyclic test
Upper table is can be found that：MS-2500 rainwater spray under and ultraviolet irradiation under Compression and Expansion circulate 5000 times after not
Generation bond damage, SMP651 under equal conditions produce 20% bond damage after Compression and Expansion circulates 5000 times, and silicon treasured 668 exists
30% bond damage, 150 under equal conditions Compression and Expansion of west card are just produced after Compression and Expansion circulates 4000 times under equal conditions
10% bond damage is produced after circulating 5000 times.MS-2500 is qualified.
It is situation about being detected using the prior art to four above-mentioned assembled architecture fluid sealants below
1st, circulated by tension-compression under prior art standard (JC/T 485-2007) plus ultraviolet irradiation (not plus spray)
Its caking property changes after experiment, studies under ultraviolet irradiation tension-compression and circulates 1000 times, 2000 times, 3000 times, and 4000
It is secondary, after 5000 times, the change of assembled architecture fluid sealant and concrete substrate adhesive property
Testing result
Its caking property changes table after tension-compression cyclic test under ultraviolet irradiation
Upper table is can be found that：Under ultraviolet irradiation after Compression and Expansion circulates 5000 times bond damage does not occur for MS-2500,
SMP651 produces 8% bond damage under ultraviolet irradiation after Compression and Expansion circulates 5000 times, and silicon treasured 668 is under ultraviolet irradiation
Compression and Expansion produces 12% bond damage after circulating 5000 times, the Compression and Expansion under ultraviolet irradiation of west card 150 circulates 5000 times
Bond damage does not occur afterwards.MS-2500 and Xi Ka 150 are qualified.
2nd, by under prior art standard (JC/T 881-2001) condition (not plus ultraviolet irradiation, spray) detection stretching-
Influence of the compression cycle-index to fluid sealant mechanical property, detection tension-compression circulation 1000 times, 2000 times, 3000 times,
After 4000 times, 5000 times, the change of assembled architecture fluid sealant and concrete substrate adhesive property.
Testing result
Its caking property changes table after tension-compression cyclic test
By upper table it can be found that：After Compression and Expansion circulates 5000 times bond damage does not occur for MS-2500, and SMP651 is being drawn
Stretch and bond damage does not occur after compression circulates 5000 times, it is broken that silicon treasured 668 produces 7% bonding after Compression and Expansion circulates 5000 times
Bad, after circulating 5000 times bond damage does not occur for west 150 Compression and Expansions of card.It can be seen from the above that MS-2500, west card 150 and white clouds
The adhesive property of SMP651 is better than silicon treasured 668.MS-2500, west 150 and white clouds SMP651 of card are qualified.
The present invention with the addition of sunlight, rainwater, temperature in prior art detection it can be seen from above three testing result
Acted on while spending, more accurately simulate effect of the natural environment to assembled architecture fluid sealant so that detection data are more
Add accurately and reliably.
Claims (4)
1. a kind of simulate detection device of the large natural environment to assembled architecture fluid sealant durability, including babinet (1) and stretching
Circulator (4) is compressed, the babinet (1) has outward swinging door, and ultraviolet irradiation lamp (2), distillation sprinkler head (3) are provided with babinet；
The sample holder stretched portion of Compression and Expansion circulator (4) is in babinet, motor control part outside the enclosure；In babinet
Parts are adjustable plate -1 (10), fixture block (11), adjustable plate -2 (12), side support plate -1 (13), baffle -1 (14), bottom plate
(15), baffle -2 (16)；The parts of outside the enclosure are switch-mode regulation box (5), counter (6), motor (7), adjusting box support
(8), motor fixed plate (9), side support plate -2 (17), baffle -3 (18), damper box fixed plate (19).
2. detection device as claimed in claim 1, it is characterized in that the ultraviolet irradiation lamp (2) is located at babinet inner top, fluorescent tube
Power 300W, fluorescent tube is away from test specimen 250mm.
3. detection device as claimed in claim 1, it is characterized in that the distillation sprinkler head (3) is located at box inside face, sprays
Leaving water temperature is (45 ± 5) DEG C.
4. a kind of simulate detection method of the large natural environment to assembled architecture fluid sealant durability, it is characterised in that：
A, the preparation before testing：Certain brand glue common in market is selected, according to JC/T 881-2001《Concrete construction seam
Use fluid sealant》5.1.2 I-shaped sample is made in requirement, and base material is reinforced cement-mortar board, and test specimen quantity is 6, sample group 3,
Spare group 3, conserve 28 days at the standard conditions；
B, experimental condition：Test speed 1mm/min, tension-compression amplitude are 30%, the ultraviolet irradiation with the effect of rainwater spray
The ultraviolet irradiation of case has related parameter according to JC/T 485-2007《Building window elastic sealant》Testing requirements in 5.12, lamp
Tube power 300W, fluorescent tube is away from test specimen 250mm, ultraviolet irradiation intensity (2000~3000) μ W/cm2；Spray head is away from surface of test piece
100mm, leaving water temperature are (45 ± 5) DEG C；
C, test procedure：Endurancing is carried out in accordance with the following methods, and test specimen is put into tension-compression circulator folder first
In block (11), then tension-compression circulator sample parts are put into the ultraviolet irradiation case with the effect of rainwater spray, so
Irradiation chamber door to be closed afterwards, opens ultraviolet irradiation lamp (2), and then opens switch-mode regulation box (5), counter (6) starts counting up, with
And distillation sprinkler head (3) is opened, spray equipment sprays once every half an hour, spray flux 200ml/min, duration 5min, stretching
After compression circulation 2000 times, stop experiment, close ultraviolet irradiation lamp (2), distillation sprinkler head (3) and tension-compression circulation successively
Device switch-mode regulation box (5), then by test specimen, (11) take out out of fixture block, see whether are test specimen and cement bonded sand lumps base material bonding part
Generation bond damage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711414785.7A CN108037027A (en) | 2017-12-19 | 2017-12-19 | A kind of detection device and detection method to assembled architecture fluid sealant durability |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711414785.7A CN108037027A (en) | 2017-12-19 | 2017-12-19 | A kind of detection device and detection method to assembled architecture fluid sealant durability |
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| CN108037027A true CN108037027A (en) | 2018-05-15 |
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| CN201711414785.7A Pending CN108037027A (en) | 2017-12-19 | 2017-12-19 | A kind of detection device and detection method to assembled architecture fluid sealant durability |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110967257A (en) * | 2019-10-28 | 2020-04-07 | 侯彩霞 | Device and method for detecting durability of assembly type building sealant |
| CN112903571A (en) * | 2021-02-01 | 2021-06-04 | 中建西部建设建材科学研究院有限公司 | Test method for simulating weather resistance of wallboard |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110967257A (en) * | 2019-10-28 | 2020-04-07 | 侯彩霞 | Device and method for detecting durability of assembly type building sealant |
| CN112903571A (en) * | 2021-02-01 | 2021-06-04 | 中建西部建设建材科学研究院有限公司 | Test method for simulating weather resistance of wallboard |
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