CN104458569B - Fire-proof coating for tunnels vibration wind inhales adhesive property test device and its making and method of testing - Google Patents

Fire-proof coating for tunnels vibration wind inhales adhesive property test device and its making and method of testing Download PDF

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Publication number
CN104458569B
CN104458569B CN201310426646.1A CN201310426646A CN104458569B CN 104458569 B CN104458569 B CN 104458569B CN 201310426646 A CN201310426646 A CN 201310426646A CN 104458569 B CN104458569 B CN 104458569B
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fire
tunnels
proof coating
steel
fixed support
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CN104458569A (en
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季韬
廖聪
江其东
江家嘉
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Fuzhou University
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Fuzhou University
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Abstract

The present invention relates to a kind of fire-proof coating for tunnels vibration wind inhales adhesive property test device and its making and method of testing, test device includes the steel fixed support pedestal that concrete vibrating stand and fixation are located on concrete vibrating stand, it has been horizontally set with by upper on the steel fixed support pedestal, the steel fixed support that lower clamping piece is constituted, compact arranged fire-proof coating for tunnels test specimen is fixed with the steel fixed support, the fire-proof coating for tunnels test specimen includes fiber reinforced cement board, the fireproof coating being coated on fiber reinforced cement board surface, and the steel fixture of fireproof coating lower surface is bonded in glue, the steel fixture underhung has plug-in weight.By steel fixed support pedestal so that test specimen amplitude-frequency is consistent with shake table.

Description

Fire-proof coating for tunnels vibration wind inhales adhesive property test device and its making and test Method
Technical field:
The present invention relates to a kind of fire-proof coating for tunnels vibration wind inhales adhesive property test device and its making and method of testing, Belong to civil construction project field.
Background technology:
Fire-proof coating for tunnels is used for being in specific tunnel environment, and the vehicle that comes and goes causes the vibration in tunnel for being applied in tunnel The impact of the fire-proof coating for tunnels of road lining cutting is larger;Additionally, the running at high speed so that producing in tunnel strong of train in tunnel, vehicle Big air-flow, has relatively strong winds suction to fire-proof coating for tunnels.And fire-proof coating for tunnels vibration wind inhale adhesive property be to which The important indicator evaluated by adhesive durability.But presently there is no and evaluate to vibrating wind suction this index of adhesive property Concrete method of testing.Vibration wind inhales the evaluation index of adhesive property and evaluation simple and easy method improves tunnel fire proofing for optimization and applies Material adhesive durability is significant.
The patent No. 201210118894 discloses fiber and mortar material adhesive property test device and method, be fiber with The test of mortar material adhesive property provides the method for a simple possible.But vibration and the wind of test specimen is not directed in patent Inhale, it is impossible to which preferably the impact for test specimen adhesive property is inhaled and vibrated to reflection wind.
Content of the invention:
It is an object of the invention to provide a kind of fire-proof coating for tunnels vibration wind inhales adhesive property test device and its making And method of testing, the device is simple to operate, it is easy to popularization and application.
Fire-proof coating for tunnels vibration wind of the present invention inhales adhesive property test device, it is characterised in that:Including vibratory concrete Platform and fixation are located at steel fixed support pedestal on concrete vibrating stand, be horizontally set with the steel fixed support pedestal by The steel fixed support that upper and lower intermediate plate is constituted, is fixed with the examination of compact arranged fire-proof coating for tunnels on the steel fixed support Part, the fire prevention that the fire-proof coating for tunnels test specimen includes fiber reinforced cement board, is coated on fiber reinforced cement board surface Coating, and the steel fixture of fireproof coating lower surface is bonded in glue, the steel fixture underhung has plug-in weight.
Above-mentioned lower clamping piece is made up of left and right two steel disc, and fiber reinforced cement board both sides are hung on the seam of the extension between two steel discs Interior.
Above-mentioned steel fixed support pedestal is fixed on vibratory concrete by the bolt hole and bolt cooperation for being located at its sole On platform.
The present invention makes the method that fire-proof coating for tunnels vibration wind inhales adhesive property test device, it is characterised in that:
(1)Fire-proof coating for tunnels test specimen is made, substrate base plate is fiber reinforced cement board, fire-proof coating for tunnels layering is applied Smear in substrate base plate, smearing thickness is conserved after reaching to 28 days intensity, steel fixture is sticked at fire-proof coating for tunnels using AB glue Surface;
(2)The steel fixed support of fire-proof coating for tunnels test specimen is made, support height, rigidity and stability must be suitable, protect Card fire-proof coating for tunnels test specimen is not loosened after being clamped by steel fixed support upper clip, lower clamping piece, and stable in vibration processes It is not moved;Additionally, steel fixed support pedestal is easy to be bolted with concrete vibrating stand.
(3)The plug-in weight of certain mass is hung on steel fixture using bolt.
Use device of the present invention carries out the method that fire-proof coating for tunnels vibration wind inhales adhesive property test, it is characterised in that:
1)First support bracket fastened for steel pedestal is bolted on concrete vibrating stand in process of the test, then by tunnel Road fireproof coating test specimen is hung on steel fixed support lower clamping piece or so two steel discs and hangs in seam, the steel folder of fire-proof coating for tunnels test specimen Tool down, is discharged side by side, and fire-proof coating for tunnels test specimen is arranged closely between any two, it is ensured that do not interspaced as far as possible, and tunnel fire proofing is applied By on steel fixed support upper clip lid after material test specimen discharge is neat, blending bolt tightens fixation, it is ensured that each tunnel fire proofing is applied Material test specimen is laid and stablizes fricton-tight phenomenon, hangs over the weight of certain mass on steel fixture finally by bolt.
2)Steel fixed support, fire-proof coating for tunnels test specimen and plug-in weight install fixing and after debugging, using shaking Dynamic platform is vibrated, and stops vibration, looser a bolt and remove steel fixed support upper clip, take successively after the time for reaching requirement Under each fire-proof coating for tunnels test specimen, by GB method of testing, determined with the draw speed of 5mm/min along surface of test piece vertical direction The maximum tensile strength, you can calculate its adhesion strength;Which vibrates bond strength testing method(Adhesion strength is accurate to 0.1MPa):
--- --- -- fire-proof coating for tunnels test specimen adhesion strength after vibration, unit is
Load when fire-proof coating for tunnels test specimen is stretched after P-------- vibration, unit are N(Newton);
--- --- -- vibrates fire-proof coating for tunnels test specimen splicing area, unit.
The present invention is using the fire-proof coating for tunnels test specimen for applying external force is fixed on normal concrete shake table after vibration Testing tunnel fireproof coating adhesive property changes, and is vibrated by concrete vibrating stand(Analog vibration)With applying external force(Simulation wind Inhale)The change of fire-proof coating for tunnels adhesive property is evaluated, and tunneling vibrational wind can be preferably reduced using the invention device and be inhaled environment.
Feature of the present invention is as follows:
1)The vibration frequency of shake table(40HZ)With actual tunnel vibration frequency(30-80HZ)Etc. vibration characteristics more phase Symbol.
2)Fire-proof coating for tunnels test specimen and shake table are fixed using special device so that test specimen and shake table frequency, shake The vibration characteristics such as width are all consistent.
3)Normal concrete shake table is readily available, and fixing test specimen device is easy to processing, and principle is simple.
4)Acted on by wind suction in the method simulation tunnel of plug-in weight, device is easy to processing, principle is simple.
5)Test specimen time of vibration and weight quality are easy to control, by different time of vibration and can hang weight quality institute The change of corresponding adhesive property, more can reliably evaluate caking property of the fire-proof coating for tunnels in the case of vibration and wind suction Energy.
Description of the drawings:
Fig. 1 is the front elevation view that the fire-proof coating for tunnels test specimen with plug-in weight of the present invention is stood upside down when placing;
Fig. 2 be the present invention fire-proof coating for tunnels test specimen upright place when plan;
Fig. 3 is that fire-proof coating for tunnels vibration wind inhales adhesive property test dress before the fire-proof coating for tunnels test specimen of the present invention is installed Put plan;
Fig. 4 is that fire-proof coating for tunnels vibration wind inhales adhesive property test dress before the fire-proof coating for tunnels test specimen of the present invention is installed Put side elevational view;
Fig. 5 is that fire-proof coating for tunnels vibration wind suction is viscous after the fire-proof coating for tunnels test specimen with plug-in weight of the present invention is installed Knot performance testing device front elevation view.
Specific embodiment:
Fire-proof coating for tunnels vibration wind of the present invention inhales adhesive property test device, including normal concrete shake table A and admittedly Surely the steel fixed support pedestal 8 being located on normal concrete shake table, be horizontally set with the steel fixed support pedestal by upper, The steel fixed support 12 that lower clamping piece 5,6 is constituted, is fixed with the painting of compact arranged tunnel fire proofing on the steel fixed support 12 Material test specimen 10, the fire-proof coating for tunnels test specimen 10 include fiber reinforced cement board 4, are coated in fiber reinforced cement board surface On fireproof coating 3, and be bonded in the steel fixture 2 of fireproof coating lower surface with glue, the steel fixture underhung has Plug-in weight 11.
In order to reasonable in design, above-mentioned lower clamping piece is made up of left and right two steel disc, and blending bolt 7 is locked, fiber reinforcement water Mud plate both sides are hung in the seam of the extension between two steel discs.
In order to fixed, above-mentioned steel fixed support pedestal is coordinated solid by the bolt hole 9 and bolt that are located at its sole It is scheduled on concrete vibrating stand A.
The present invention makes the method that fire-proof coating for tunnels vibration wind inhales adhesive property test device,
(1)Fire-proof coating for tunnels test specimen 10 is made, substrate base plate is fiber reinforced cement board 4, by 3 points of fire-proof coating for tunnels Layer is applied in substrate base plate, and smearing thickness is conserved after reaching to 28 days intensity, steel fixture 2 is sticked at tunnel fire proofing using AB glue Coating surface;Above-mentioned each step operation all should meet《Xoncrete structure fireproof coating》Corresponding regulation in GB 28375-2012 will Ask.
(2)The steel fixed support 12 of fire-proof coating for tunnels test specimen is made, support height, rigidity and stability must be suitable, Ensure that fire-proof coating for tunnels test specimen is not loosened after being clamped by steel fixed support upper clip 5, lower clamping piece 6, and in vibration processes Stablize and be not moved;Additionally, steel fixed support pedestal is easy to be bolted with concrete vibrating stand.
(3)The plug-in weight 11 of certain mass is hung on steel fixture 2 using bolt.
Use device of the present invention carries out the method that fire-proof coating for tunnels vibration wind inhales adhesive property test,
1)First support bracket fastened for steel pedestal is bolted on concrete vibrating stand in process of the test, then by tunnel Road fireproof coating test specimen is hung on steel fixed support lower clamping piece or so two steel discs and hangs in seam, the steel folder of fire-proof coating for tunnels test specimen Tool down, is discharged side by side, and fire-proof coating for tunnels test specimen is arranged closely between any two, it is ensured that do not interspaced as far as possible, and tunnel fire proofing is applied By on steel fixed support upper clip lid after material test specimen discharge is neat, blending bolt tightens fixation, it is ensured that each tunnel fire proofing is applied Material test specimen is laid and stablizes fricton-tight phenomenon, hangs over the weight of certain mass on steel fixture finally by bolt.
2)Steel fixed support, fire-proof coating for tunnels test specimen and plug-in weight install fixing and after debugging, using shaking Dynamic platform is vibrated, and stops vibration, looser a bolt and remove steel fixed support upper clip, take successively after the time for reaching requirement Under each fire-proof coating for tunnels test specimen, press《Multi wall architectural coatings》(GB/T 9779-2005)Method, along surface of test piece Vertical Square The maximum tensile strength is determined to the draw speed with 5mm/min, you can calculate its adhesion strength;Its vibration adhesion strength test side Method is(Adhesion strength is accurate to 0.1MPa):
--- --- -- fire-proof coating for tunnels test specimen adhesion strength after vibration, unit is
Load when fire-proof coating for tunnels test specimen is stretched after P-------- vibration, unit are N(Newton);
--- --- -- vibrates fire-proof coating for tunnels test specimen splicing area, unit.
The present invention is using the fire-proof coating for tunnels test specimen for applying external force is fixed on normal concrete shake table after vibration Testing tunnel fireproof coating adhesive property changes, and is vibrated by concrete vibrating stand(Analog vibration)With applying external force(Simulation wind Inhale)The change of fire-proof coating for tunnels adhesive property is evaluated, and tunneling vibrational wind can be preferably reduced using the invention device and be inhaled environment.
Feature of the present invention is as follows:
1)The vibration frequency of shake table(40HZ)With actual tunnel vibration frequency(30-80HZ)Etc. vibration characteristics more phase Symbol.
2)Fire-proof coating for tunnels test specimen and shake table are fixed using special device so that test specimen and shake table frequency, shake The vibration characteristics such as width are all consistent.
3)Normal concrete shake table is readily available, and fixing test specimen device is easy to processing, and principle is simple.
4)Acted on by wind suction in the method simulation tunnel of plug-in weight, device is easy to processing, principle is simple.
5)Test specimen time of vibration and weight quality are easy to control, by different time of vibration and can hang weight quality institute The change of corresponding adhesive property, more can reliably evaluate caking property of the fire-proof coating for tunnels in the case of vibration and wind suction Energy.
The foregoing is only presently preferred embodiments of the present invention, all impartial changes that is done according to scope of the present invention patent with Modification, should all belong to the covering scope of the present invention.

Claims (3)

1. a kind of fire-proof coating for tunnels that makes vibrates the method that wind inhales adhesive property test device, it is characterised in that:The tunnel Fireproof coating vibration wind inhales adhesive property test device, it is characterised in that:It is located at including normal concrete shake table and fixation general Steel fixed support pedestal on logical concrete vibrating stand, has been horizontally set with the steel fixed support pedestal by upper and lower intermediate plate structure The steel fixed support for becoming, is fixed with compact arranged fire-proof coating for tunnels test specimen, the tunnel on the steel fixed support Fireproof coating test specimen includes fiber reinforced cement board, the fireproof coating being coated on fiber reinforced cement board surface, Yi Jiyong Glue is bonded in the steel fixture of fireproof coating lower surface, and the steel fixture underhung has plug-in weight;Preparation method is as follows:
(1)Fire-proof coating for tunnels test specimen is made, substrate base plate is fiber reinforced cement board, fire-proof coating for tunnels layering is applied in Substrate base plate, smearing thickness are conserved after reaching to 28 days intensity, steel fixture are sticked at fire-proof coating for tunnels surface using AB glue;
(2)The steel fixed support of fire-proof coating for tunnels test specimen is made, support height, rigidity and stability must be suitable, it is ensured that tunnel Road fireproof coating test specimen is not loosened after being clamped by steel fixed support upper clip, lower clamping piece, and is not stably sent out in vibration processes Raw movement;Additionally, steel fixed support pedestal is easy to be bolted with normal concrete shake table;
(3)The plug-in weight of certain mass is hung on steel fixture using bolt.
2. a kind of adhesive property test device is inhaled using fire-proof coating for tunnels vibration wind and carry out fire-proof coating for tunnels vibration wind and inhale gluing The method of knot performance test, it is characterised in that:The fire-proof coating for tunnels vibration wind inhales adhesive property test device, including common Concrete vibrating stand and fixation are located at the steel fixed support pedestal on normal concrete shake table, the steel fixed support base The steel fixed support being made up of upper and lower intermediate plate is horizontally set with seat, is fixed with compact arranged tunnel on the steel fixed support Road fireproof coating test specimen, the fire-proof coating for tunnels test specimen include fiber reinforced cement board, are coated in fiber reinforced cement board Fireproof coating on surface, and the steel fixture of fireproof coating lower surface is bonded in glue, the steel fixture underhung There is plug-in weight;Method of testing is as follows:
First support bracket fastened for steel pedestal is bolted on concrete vibrating stand in process of the test, then by tunnel fire proofing Coating test specimen is hung on steel fixed support lower clamping piece or so two steel discs and hangs in seam, the steel fixture court of fire-proof coating for tunnels test specimen Under, discharging side by side, fire-proof coating for tunnels test specimen is arranged closely between any two, it is ensured that do not interspaced as far as possible, and fire-proof coating for tunnels is tried By on steel fixed support upper clip lid after part discharge is neat, blending bolt tightens fixation, it is ensured that each fire-proof coating for tunnels examination Part is laid and stablizes fricton-tight phenomenon, hangs over the weight of certain mass on steel fixture finally by bolt;
Steel fixed support, fire-proof coating for tunnels test specimen and plug-in weight are installed after fixing and debugging, and are entered using shake table Row vibration, stops vibration after the time for reaching requirement, loosers a bolt and remove steel fixed support upper clip, remove each tunnel successively Road fireproof coating test specimen, by GB method of testing, is determined with the draw speed of 5mm/min along surface of test piece vertical direction maximum anti- Tensile strength, calculates its adhesion strength;Which vibrates bond strength testing method(Adhesion strength is accurate to 0.1MPa):=P/A
--- --- -- fire-proof coating for tunnels test specimen adhesion strength after vibration, unit is
Load when fire-proof coating for tunnels test specimen is stretched after P-------- vibration, unit are N(Newton);
A-------- vibrates fire-proof coating for tunnels test specimen splicing area, unit square millimeter.
3. fire-proof coating for tunnels vibration wind according to claim 2 inhales adhesive property method of testing, it is characterised in that:Described Steel fixed support pedestal is fixed on concrete vibrating stand by the bolt hole and bolt cooperation for being located at its sole.
CN201310426646.1A 2013-09-18 2013-09-18 Fire-proof coating for tunnels vibration wind inhales adhesive property test device and its making and method of testing Active CN104458569B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101149332A (en) * 2007-11-09 2008-03-26 北京工业大学 Device and method for testing rubber aggregate and cement stone interface binding intensity
CN201083675Y (en) * 2007-09-21 2008-07-09 希姆通信息技术(上海)有限公司 Adhesive tape adhesiveness test device
CN201218798Y (en) * 2008-06-06 2009-04-08 比亚迪股份有限公司 Viscous force test device
CN201319015Y (en) * 2008-11-10 2009-09-30 长沙理工大学 Vibration type clinker bonding characteristic measuring device
CN101666739A (en) * 2008-09-03 2010-03-10 鸿富锦精密工业(深圳)有限公司 Test device and test method of bonding strength
CN202869947U (en) * 2012-09-19 2013-04-10 上海甬兴塑胶有限公司 Binding force testing device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201083675Y (en) * 2007-09-21 2008-07-09 希姆通信息技术(上海)有限公司 Adhesive tape adhesiveness test device
CN101149332A (en) * 2007-11-09 2008-03-26 北京工业大学 Device and method for testing rubber aggregate and cement stone interface binding intensity
CN201218798Y (en) * 2008-06-06 2009-04-08 比亚迪股份有限公司 Viscous force test device
CN101666739A (en) * 2008-09-03 2010-03-10 鸿富锦精密工业(深圳)有限公司 Test device and test method of bonding strength
CN201319015Y (en) * 2008-11-10 2009-09-30 长沙理工大学 Vibration type clinker bonding characteristic measuring device
CN202869947U (en) * 2012-09-19 2013-04-10 上海甬兴塑胶有限公司 Binding force testing device

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