CN110258311A - A kind of multi-functional bridge pier and its construction method - Google Patents
A kind of multi-functional bridge pier and its construction method Download PDFInfo
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- CN110258311A CN110258311A CN201910629211.4A CN201910629211A CN110258311A CN 110258311 A CN110258311 A CN 110258311A CN 201910629211 A CN201910629211 A CN 201910629211A CN 110258311 A CN110258311 A CN 110258311A
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- 238000010276 construction Methods 0.000 title claims abstract description 16
- 238000000518 rheometry Methods 0.000 claims abstract description 25
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 23
- 239000010935 stainless steel Substances 0.000 claims abstract description 23
- 239000004567 concrete Substances 0.000 claims abstract description 18
- 125000006850 spacer group Chemical group 0.000 claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 10
- 239000010959 steel Substances 0.000 claims abstract description 10
- 238000004804 winding Methods 0.000 claims abstract description 8
- 230000007797 corrosion Effects 0.000 claims abstract description 7
- 238000005260 corrosion Methods 0.000 claims abstract description 7
- 239000000945 filler Substances 0.000 claims abstract description 5
- 238000003780 insertion Methods 0.000 claims abstract description 4
- 230000037431 insertion Effects 0.000 claims abstract description 4
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 40
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- 239000011159 matrix material Substances 0.000 claims description 22
- 239000006249 magnetic particle Substances 0.000 claims description 20
- 229920001971 elastomer Polymers 0.000 claims description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 15
- 239000002270 dispersing agent Substances 0.000 claims description 14
- 239000004014 plasticizer Substances 0.000 claims description 14
- 239000003973 paint Substances 0.000 claims description 13
- 229920002379 silicone rubber Polymers 0.000 claims description 13
- 239000012744 reinforcing agent Substances 0.000 claims description 12
- 239000000741 silica gel Substances 0.000 claims description 12
- 229910002027 silica gel Inorganic materials 0.000 claims description 12
- 238000004073 vulcanization Methods 0.000 claims description 12
- 238000004078 waterproofing Methods 0.000 claims description 12
- 239000011148 porous material Substances 0.000 claims description 10
- 239000004945 silicone rubber Substances 0.000 claims description 10
- 229910052711 selenium Inorganic materials 0.000 claims description 7
- 239000011669 selenium Substances 0.000 claims description 7
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229940008099 dimethicone Drugs 0.000 claims description 6
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 6
- 235000013870 dimethyl polysiloxane Nutrition 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 6
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 6
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 5
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- 244000043261 Hevea brasiliensis Species 0.000 claims description 3
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- 239000003086 colorant Substances 0.000 claims description 3
- 230000005415 magnetization Effects 0.000 claims description 3
- 229920003052 natural elastomer Polymers 0.000 claims description 3
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- 150000002978 peroxides Chemical class 0.000 claims description 3
- 238000010074 rubber mixing Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 229910052714 tellurium Inorganic materials 0.000 claims description 3
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 claims description 3
- 229910000272 alkali metal oxide Inorganic materials 0.000 claims description 2
- XAQHXGSHRMHVMU-UHFFFAOYSA-N [S].[S] Chemical compound [S].[S] XAQHXGSHRMHVMU-UHFFFAOYSA-N 0.000 claims 1
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- 239000005864 Sulphur Substances 0.000 description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical group [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 2
- 239000000292 calcium oxide Substances 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical group [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 2
- 235000013539 calcium stearate Nutrition 0.000 description 2
- 239000008116 calcium stearate Substances 0.000 description 2
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical group O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 230000021523 carboxylation Effects 0.000 description 1
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
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- 229910052737 gold Inorganic materials 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0856—Iron
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/01—Magnetic additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
- E01D2101/268—Composite concrete-metal
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
A kind of multi-functional bridge pier of the invention, comprising: main body and supporter；The main body is in cylindrical shape, the main body includes inner barrel and outer barrel, it is welded between inner barrel and outer barrel using steel plate and uses bladder-type magnetic rheology elastic body as filler, the inside of inner cylinder is filled with concrete, and wall spiral winding has the electromagnetic coil of insulating corrosion gum cover outer tube；The supporter of reinforced concrete structure is equipped with above main body, supporter includes three support columns, three support columns are arranged in cone, two adjacent support column angles are 60 degree, the upper end of three support columns insertion main body in one end interconnected, every support column includes spacer bar cage, the stainless steel cylinder being set in outside spacer bar cage and the concrete being cast in stainless steel cylinder.Mixed with bladder-type magnetic rheology elastic body in the present invention, bridge pier is made to have sqouynd absorption lowering noise and vibration-damping function.The configuration of the present invention is simple, it is easy for construction.
Description
Technical field
The invention belongs to building engineering field more particularly to a kind of bridge pier and its construction methods.
Background technique
Highway overpass is arranged on surface road, is used for vehicle shunting.Overpass ride upon surface road need using
A large amount of bridge pier, bridge pier majority common at present are rigid structure bridge pier, and noise and vibration etc. are generated in vehicular motion
Adverse effect easily causes the damage of bridge pier, brings hidden danger to the security of the lives and property of people.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of multi-functional bridge pier and its construction method, between inner barrel and outer barrel
Use bladder-type magnetic rheology elastic body as filler, noise and vibration caused by vehicle traveling can be reduced.
The present invention provides a kind of multi-functional bridge pier, comprising: main body and supporter；The main body is in cylindrical shape, the master
Body includes inner barrel and outer barrel, is welded between inner barrel and outer barrel using steel plate and uses bladder-type magnetic rheology elastic body as filling
The inside of object, inner cylinder is filled with concrete, and wall spiral winding has the electromagnetic coil of insulating corrosion gum cover outer tube；In main body
Side is equipped with the supporter of reinforced concrete structure, and supporter includes three support columns, and three support columns are arranged in cone, adjacent
Two support column angles be 60 degree, the upper end of three support columns one end interconnected insertion main body, every support column includes
Spacer bar cage, the stainless steel cylinder being set in outside spacer bar cage and the concrete being cast in stainless steel cylinder；
The bladder-type magnetic rheology elastic body each component includes: 100~150 parts of rubber matrix, magnetic according to weight ratio
Grain 600~700 parts, 16~25 parts of vulcanizing agent, 4~5 parts of vulcanization accelerator, 130~220 parts of fill material, wherein fill material
Including 20~30 parts of plasticizer, 30~50 parts of dispersing agent, 50~60 parts of expanding material, 10~20 parts of reinforcing agent, physics silica gel pore-forming
10~30 parts of agent, 10~30 parts of waterproofing agent.
In multi-functional bridge pier of the invention, the rubber matrix chooses silicon rubber or natural rubber.
In multi-functional bridge pier of the invention, the magnetic-particle selects micron order carbonyl iron dust and silicon-steel powder, the two ratio
Example is 25:1, this magnetic-particle is selected to improve magnetic permeability under the premise of guaranteeing saturation magnetization, reduces eddy-current loss.
In multi-functional bridge pier of the invention, the vulcanizing agent is selenium, tellurium, peroxide or sulphur；Promotor is alkali gold
Belong to oxide.
In multi-functional bridge pier of the invention, the plasticizer is dimethicone.
In multi-functional bridge pier of the invention, the dispersing agent is methyl anyl alcohol or polyurethane；Cold-resistant agent is adipate ester.
In multi-functional bridge pier of the invention, the upper and lower part of the main body is coated respectively with fluorescent paint, and lower part, which is coated with, removes
The fluorescent paint of other colors other than green, yellow or red, top is coated with red fluorescence paint.
In multi-functional bridge pier of the invention, the outer cover of the supporter is equipped with fixed frame, for fixing stainless steel sleeve
Cylinder.
In multi-functional bridge pier of the invention, the fixed frame includes fixed part and support portion, the internal diameter of the fixed part
For circle, it is set in the outside of supporter, the internal diameter of fixed part is greater than the outer diameter of main body, and less than three support columns are constituted
The diameter of the bottom surface of cone；Support portion is supported below fixed part.
The present invention also provides a kind of construction methods of multi-functional bridge pier, comprising the following steps:
Step 1: weighing by following component proportion: 100~150 parts of rubber matrix, 600~700 parts of magnetic-particle, vulcanizing agent
16~25 parts, 4~5 parts of vulcanization accelerator, 130~220 parts of fill material, wherein fill material include 20~30 parts of plasticizer,
30~50 parts of dispersing agent, 50~60 parts of expanding material, 10~20 parts of reinforcing agent, 10~30 parts of physics silica gel pore former, waterproofing agent 10
~30 parts；
Step 2: silicone rubber matrix, magnetic-particle and all fill materials being put into rubber mixing machine, uniform stirring 20 divides
Clock, then it is placed in deaeration in vacuum barrel at 80 DEG C, it is re-introduced into mold after deaeration；
Step 3: vulcanizing agent and vulcanization accelerator being poured into mold and vulcanized 20 minutes at 150 DEG C, is applied at the same time
Magnetic field prepares anisotropic bladder-type magnetic rheology elastic body；
Step 4: portion's spiral winding has the electromagnetic coil of insulating corrosion gum cover outer tube, then uses steel plate by inner cylinder
It is welded and fixed with outer cylinder, then bladder-type magnetic rheology elastic body is installed in the gap between inner cylinder and outer cylinder, it finally will be prefabricated
Good main body is transported to construction site；
Step 5: cleaning cushion cap, assembling reinforcement makes three spacer bar cages, and uses stirrup by three spacer bar cages
Binding and fixing are at cone and ensure that two adjacent spacer bar cage angles are 60 degree；
Step 6: the main body of prefabricated completion being fixed on cushion cap, fixed frame is well placed, each stainless steel sleeve is covered right
On the spacer bar cage answered, junction is welded and fixed between each stainless steel sleeve, then the supporter being welded is placed on fixed frame
It is fixed；
Step 7: setting up falsework and the casting concrete into stainless steel sleeve, Concrete Filled is made to expire the inside of inner cylinder
With three stainless steel sleeve inners, form removal bracket and fixed frame after concrete reaches and removes intensity；
Step 8: finally assorted fluorescent paint is brushed in surface corresponding position outside the main body, completes Bridge Pier Construction.
A kind of multi-functional bridge pier of the invention and its construction method, are filled between the inner barrel and outer barrel for constituting bridge pier main body
Bladder-type magnetic rheology elastic body, and the electromagnetic coil of wall winding outer tube, pass through the acceleration sensing being set in advance under bridge floor
Device detection bridge floor vibration acceleration simultaneously sends a signal to control module, and when its numerical value is more than threshold value, control module controls power supply
Module applies externally-applied magnetic field to solenoid, to bladder-type magnetic rheology elastic body to adjust its mechanical property.Make this bridge pier
Can have the function of sqouynd absorption lowering noise and vibration damping.In addition, it is in coniform three-legged structure frame body that the supporter of bridge pier of the present invention, which uses, together
When main body on be coated with fluorescent paint, driving at night safety accident can be reduced.
Detailed description of the invention
Fig. 1 is a kind of perspective view of multi-functional bridge pier of the invention；
Fig. 2 is a kind of Local map of the support column of multi-functional bridge pier of the invention；
Fig. 3 is a kind of top view of multi-functional bridge pier of the invention；
Fig. 4 is a kind of Construction State figure of multi-functional bridge pier of the invention；
Fig. 5 is a kind of inner cylinder schematic partial diagram of multi-functional bridge pier of the invention；
Fig. 6 is the storage shear modulus and magnetic field strength relational graph of the bladder-type magnetic rheology elastic body of filling；
Fig. 7 is the storage shear modulus and frequency relation figure of the bladder-type magnetic rheology elastic body of filling；
Fig. 8 is the fissipation factor and magnetic field strength relational graph of the bladder-type magnetic rheology elastic body of filling.
Specific embodiment
As shown in Figures 1 to 5, a kind of multi-functional bridge pier of the invention, including main body 1 and supporter, wherein main body 1 is steel
The cylindrical body of cylinder concrete structure, main body 1 is that prefabricated bitubular form includes inner cylinder 12 and outer cylinder 13.Inner cylinder 12 and outer cylinder 13 it
Between using steel plate 14 weld, use bladder-type magnetic rheology elastic body 15 as filler, be filled between inner cylinder 12 and outer cylinder 13,
The inside of inner cylinder 12 uses Concrete Filled, has the electromagnetic coil of insulating corrosion gum cover in the outer wall spiral winding of inner cylinder 12
17.1 surface portion region of main body is coated with fluorescent paint 16.Specially it is coated in addition to green, yellow or red in the lower part of main body 1
The fluorescent paint of other colors, top are coated with red fluorescence paint.The supporter of reinforced concrete structure is equipped with above main body 1, this branch
Support body includes three support columns 2.Three support columns 2 arrange that two adjacent 2 angles of support column are 60 degree in cone.It should
The upper end of three one end interconnected of support column 2 insertion main bodys 1.Every support column 2 includes spacer bar cage 21, is set in branch
The concrete for supportting the stainless steel sleeve 22 outside steel reinforcement cage 21 and being cast in stainless steel sleeve 22.
15 each component of bladder-type magnetic rheology elastic body includes: 100~150 parts of rubber matrix, magnetism according to weight ratio
600~700 parts of particle, 16~25 parts of vulcanizing agent, 4~5 parts of vulcanization accelerator, 130~220 parts of fill material, wherein filler
Material include 20~30 parts of plasticizer, 30~50 parts of dispersing agent, 50~60 parts of expanding material, 10~20 parts of reinforcing agent, physics silica gel at
10~30 parts of hole agent, 10~30 parts of waterproofing agent.
When it is implemented, the rubber matrix chooses silicon rubber or natural rubber in multi-functional bridge pier of the invention.Institute
It states magnetic-particle and selects micron order carbonyl iron dust and silicon-steel powder, the two ratio is 25:1, this magnetic-particle is selected to guarantee to be saturated
Magnetic permeability is improved under the premise of the intensity of magnetization, reduces eddy-current loss.The vulcanizing agent be selenium, tellurium, peroxide or sulphur,
In for silicone rubber matrix select selenium；Promotor is alkali metal oxide.The plasticizer is dimethicone.The dispersing agent
For methyl anyl alcohol or polyurethane；Cold-resistant agent is adipate ester.
Such as Fig. 4, it is equipped with fixed frame in the outer cover of supporter, for fixing stainless steel sleeve 22.The fixed frame includes
The internal diameter of fixed part 31 and support portion 32, the fixed part 31 is circle, is set in the outside of supporter, the internal diameter of fixed part 31
Greater than the outer diameter of main body 1, and the diameter of the bottom surface of the cone constituted less than three support columns 2.Support portion 32 is supported on solid
Determine the lower section in portion 31.
Embodiment 1
The bladder-type magnetic rheology elastic body 15 filled between inner cylinder 12 and outer cylinder 13 in the embodiment of the present invention 1, each component is pressed
According to weight ratio include: 4 parts of 100 parts of silicone rubber matrix, 600 parts of magnetic-particle, 16 parts of vulcanizing agent and promotor, 20 parts of plasticizer,
30 parts of dispersing agent, 50 parts of expanding material, 10 parts of reinforcing agent, 10 parts of physics silica gel pore former, 10 parts of waterproofing agent.
Wherein, rubber matrix chooses silicone rubber matrix, and magnetic-particle selects micron order carbonyl iron dust and silicon-steel powder, the two ratio
Example is 25:1, and vulcanizing agent is selenium, and vulcanization accelerator is calcium oxide；Plasticizer is dimethicone, and dispersing agent is methyl anyl alcohol, is increased
Appearance agent is carboxylation carbon nanotube, and reinforcing agent is fume colloidal silica, and physics silica gel pore former is YQ-100Y, waterproofing agent is stearic
Sour calcium.
Embodiment 2
The bladder-type magnetic rheology elastic body 15 filled between inner cylinder 12 and outer cylinder 13 in the embodiment of the present invention 2, each component is pressed
It include: 125 parts of silicone rubber matrix, 650 parts of magnetic-particle, 20 parts of vulcanizing agent and 4.5 parts of promotor, plasticizer 25 according to weight ratio
Part, 40 parts of dispersing agent, 55 parts of expanding material, 15 parts of reinforcing agent, 20 parts of physics silica gel pore former, 20 parts of waterproofing agent.
Wherein, rubber matrix chooses silicone rubber matrix, and magnetic-particle selects micron order carbonyl iron dust and silicon-steel powder, the two ratio
Example is 25:1, and vulcanizing agent is selenium, and vulcanization accelerator is magnesia；Plasticizer is dimethicone, and dispersing agent is polyurethane, increase-volume
Agent is maleic anhydride, and reinforcing agent is fume colloidal silica, and physics silica gel pore former is YQ-505Y, waterproofing agent is calcium stearate.
Embodiment 3
The bladder-type magnetic rheology elastic body 15 filled between inner cylinder 12 and outer cylinder 13 in the embodiment of the present invention 3, each component is pressed
According to weight ratio include: 5 parts of 150 parts of silicone rubber matrix, 700 parts of magnetic-particle, 25 parts of vulcanizing agent and promotor, 30 parts of plasticizer,
50 parts of dispersing agent, 60 parts of expanding material, 20 parts of reinforcing agent, 30 parts of physics silica gel pore former, 30 parts of waterproofing agent.
Wherein, rubber matrix chooses silicone rubber matrix, and magnetic-particle selects micron order carbonyl iron dust and silicon-steel powder, the two ratio
Example is 25:1, and vulcanizing agent is selenium, and vulcanization accelerator is calcium oxide；Plasticizer is dimethicone, and dispersing agent is methyl anyl alcohol, is increased
Appearance agent is maleic anhydride, and reinforcing agent is fume colloidal silica, and physics silica gel pore former is ES100W, waterproofing agent is calcium stearate.
Its mechanical property is tested using parallel plate rheometer under different condition, as illustrated in figs. 5-7.Fig. 5 is frequency 10Hz,
Under 0.1% strain, this elastomer measures storage shear modulus changing tendency figure within the scope of 0~0.4T of magnetic field；Fig. 6 is that magnetic field is strong
Degree is 0.1T, and under 0.1% strain, this elastomer measures storage shear modulus changing tendency figure within the scope of 1~10Hz of frequency；Figure
7 be frequency 10Hz, and under 0.1% strain, this elastomer measures fissipation factor changing tendency figure within the scope of 0~0.4T of magnetic field.
There is bladder-type magnetic rheology elastic body magnetic-particle under the action of externally-applied magnetic field to have in magnetic direction formation chain
The characteristics of sequence structure, by measurement data figure it is found that each component cooperates and collaboration, mechanical property increase with magnetic field strength
And be remarkably reinforced so that such elastomer each factor effect under in terms of stress absorption and sqouynd absorption lowering noise have it is good
Effect.
Using multi-functional bridge pier of the invention, the pre-buried acceleration transducer under bridge floor in advance is needed, and successively by conducting wire
Connect acceleration transducer, control module, power module and electromagnetic coil.Acceleration transducer accelerates for detecting bridge floor vibration
It spends and is transferred to control module.When vibration acceleration reaches threshold value, control module controls power module to solenoid,
To apply variable magnetic field to bladder-type magnetic rheology elastic body, and then the mechanical property of the magnetorheological elasticity of bladder-type is adjusted, makes bridge pier
Have better vibration damping, sqouynd absorption lowering noise and collision prevention function.
The present invention also provides a kind of construction methods of multi-functional bridge pier, comprising the following steps:
Step 1: weighing by following component proportion: 100~150 parts of rubber matrix, 600~700 parts of magnetic-particle, vulcanizing agent
16~25 parts, 4~5 parts of vulcanization accelerator, 130~220 parts of fill material, wherein fill material include 20~30 parts of plasticizer,
30~50 parts of dispersing agent, 50~60 parts of expanding material, 10~20 parts of reinforcing agent, 10~30 parts of physics silica gel pore former, waterproofing agent 10
~30 parts；
Step 2: silicone rubber matrix, magnetic-particle and all fill materials being put into rubber mixing machine, uniform stirring 20 divides
Clock, then it is placed in deaeration in vacuum barrel at 80 DEG C, it is re-introduced into mold after deaeration；
Step 3: vulcanizing agent and vulcanization accelerator being poured into mold and vulcanized 20 minutes at 150 DEG C, is applied at the same time
Magnetic field prepares anisotropic bladder-type magnetic rheology elastic body；
Step 4: portion's spiral winding has the electromagnetic coil of insulating corrosion gum cover outer tube, then uses steel plate by inner cylinder
It is welded and fixed with outer cylinder, then bladder-type magnetic rheology elastic body is installed in the gap between inner cylinder and outer cylinder, it finally will be prefabricated
Good main body is transported to construction site；
Step 5: cleaning cushion cap, assembling reinforcement makes three spacer bar cages, and uses stirrup by three spacer bar cages
Binding and fixing are at cone and ensure that two adjacent spacer bar cage angles are 60 degree；
Step 6: the main body of prefabricated completion being fixed on cushion cap, fixed frame is well placed, each stainless steel sleeve is covered right
On the spacer bar cage answered, junction is welded and fixed between each stainless steel sleeve, then the supporter being welded is placed on fixed frame
It is fixed；
Step 7: setting up falsework and the casting concrete into stainless steel sleeve, Concrete Filled is made to expire the inside of inner cylinder
With three stainless steel sleeve inners, form removal bracket and fixed frame after concrete reaches and removes intensity；
Step 8: finally assorted fluorescent paint is brushed in surface corresponding position outside the main body, completes Bridge Pier Construction.
The foregoing is merely presently preferred embodiments of the present invention, the thought being not intended to limit the invention, all of the invention
Within spirit and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of multi-functional bridge pier characterized by comprising main body and supporter；The main body is in cylindrical shape, the main body
Including inner barrel and outer barrel, is welded between inner barrel and outer barrel using steel plate and uses bladder-type magnetic rheology elastic body as filler,
The inside of inner cylinder is filled with concrete, and wall spiral winding has the electromagnetic coil of insulating corrosion gum cover outer tube；Above main body
Supporter equipped with reinforced concrete structure, supporter include three support columns, and three support columns are arranged in cone, adjacent
Two support column angles are 60 degree, and the upper end of three support columns insertion main body in one end interconnected, every support column includes branch
Support steel reinforcement cage, the stainless steel sleeve being set in outside spacer bar cage and the concrete being cast in stainless steel sleeve；
The bladder-type magnetic rheology elastic body each component includes: 100~150 parts of rubber matrix, magnetic-particle 600 according to weight ratio
~700 parts, 16~25 parts of vulcanizing agent, 4~5 parts of vulcanization accelerator, 130~220 parts of fill material, wherein fill material includes increasing
Mould 20~30 parts of agent, 30~50 parts of dispersing agent, 50~60 parts of expanding material, 10~20 parts of reinforcing agent, physics silica gel pore former 10~
30 parts, 10~30 parts of waterproofing agent.
2. multi-functional bridge pier as described in claim 1, which is characterized in that the rubber matrix chooses silicon rubber or natural rubber
Glue.
3. multi-functional bridge pier as described in claim 1, which is characterized in that the magnetic-particle select micron order carbonyl iron dust and
Silicon-steel powder, the two ratio are 25:1, select this magnetic-particle to improve magnetic permeability under the premise of guaranteeing saturation magnetization, subtract
Small eddy-current loss.
4. multi-functional bridge pier as described in claim 1, which is characterized in that the vulcanizing agent is selenium, tellurium, peroxide or sulphur
Sulphur；Promotor is alkali metal oxide.
5. multi-functional bridge pier as described in claim 1, which is characterized in that the plasticizer is dimethicone.
6. multi-functional bridge pier as described in claim 1, which is characterized in that the dispersing agent is methyl anyl alcohol or polyurethane；It is resistance to
Cold agent is adipate ester.
7. multi-functional bridge pier as described in claim 1, which is characterized in that the upper and lower part of the main body is coated respectively with fluorescence
Paint, lower part are coated with the fluorescent paint of other colors in addition to green, yellow or red, and top is coated with red fluorescence paint.
8. multi-functional bridge pier as described in claim 1, which is characterized in that the outer cover of the supporter is equipped with fixed frame, uses
In fixed stainless steel sleeve.
9. multi-functional bridge pier as claimed in claim 8, which is characterized in that the fixed frame includes fixed part and support portion, institute
The internal diameter of fixed part is stated as circle, is set in the outside of supporter, the internal diameter of fixed part is greater than the outer diameter of main body, and less than three
The diameter of the bottom surface for the cone that support column is constituted；Support portion is supported below fixed part.
10. a kind of construction method of multi-functional bridge pier, which comprises the following steps:
Step 1: it weighs by following component proportion: 100~150 parts of rubber matrix, 600~700 parts of magnetic-particle, vulcanizing agent 16~
25 parts, 4~5 parts of vulcanization accelerator, 130~220 parts of fill material, wherein fill material includes 20~30 parts of plasticizer, dispersion
30~50 parts of agent, 50~60 parts of expanding material, 10~20 parts of reinforcing agent, 10~30 parts of physics silica gel pore former, waterproofing agent 10~30
Part；
Step 2: silicone rubber matrix, magnetic-particle and all fill materials are put into rubber mixing machine, uniform stirring 20 minutes, then
It is placed in deaeration in vacuum barrel at 80 DEG C, is re-introduced into mold after deaeration；
Step 3: vulcanizing agent and vulcanization accelerator being poured into mold and vulcanized 20 minutes at 150 DEG C, applies magnetic field at the same time
Prepare anisotropic bladder-type magnetic rheology elastic body；
Step 4: portion's spiral winding has the electromagnetic coil of insulating corrosion gum cover outer tube, then using steel plate by inner cylinder and outer
Cylinder is welded and fixed, then bladder-type magnetic rheology elastic body is installed in the gap between inner cylinder and outer cylinder, finally will be prefabricated
Main body is transported to construction site；
Step 5: cleaning cushion cap, assembling reinforcement makes three spacer bar cages, and is bound three spacer bar cages using stirrup
It is fixed into cone and ensures that two adjacent spacer bar cage angles are 60 degree；
Step 6: the main body of prefabricated completion being fixed on cushion cap, fixed frame is well placed, each stainless steel sleeve is covered corresponding
On spacer bar cage, junction is welded and fixed between each stainless steel sleeve, then the supporter being welded is placed on fixed frame and is fixed；
Step 7: setting up falsework and the casting concrete into stainless steel sleeve, Concrete Filled is made to expire the inside and three of inner cylinder
Root stainless steel sleeve inner, form removal bracket and fixed frame after concrete reaches and removes intensity；
Step 8: finally assorted fluorescent paint is brushed in surface corresponding position outside the main body, completes Bridge Pier Construction.
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| CN201910629211.4A CN110258311A (en) | 2019-07-12 | 2019-07-12 | A kind of multi-functional bridge pier and its construction method |
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| CN201910629211.4A CN110258311A (en) | 2019-07-12 | 2019-07-12 | A kind of multi-functional bridge pier and its construction method |
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| CN106032661A (en) * | 2016-05-18 | 2016-10-19 | 长安大学 | Pier collision prevention device with variable rigidity and method |
| CN108691266A (en) * | 2018-05-30 | 2018-10-23 | 林同棪国际工程咨询（中国）有限公司 | The multidirectional damping device of bridge pier |
| CN210596990U (en) * | 2019-07-12 | 2020-05-22 | 沈阳建筑大学 | Multifunctional bridge pier |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2082648A (en) * | 1980-08-26 | 1982-03-10 | Wigley Victor Joseph | Building frame truss |
| JP2005068849A (en) * | 2003-08-26 | 2005-03-17 | Nishimatsu Constr Co Ltd | Whole yielding structure of building skeleton |
| CN101509226A (en) * | 2009-02-26 | 2009-08-19 | 南京工业大学 | Composite material lattice sandwich tube restriction concrete foot stall with buffering energy-absorbing function |
| CN106032661A (en) * | 2016-05-18 | 2016-10-19 | 长安大学 | Pier collision prevention device with variable rigidity and method |
| CN108691266A (en) * | 2018-05-30 | 2018-10-23 | 林同棪国际工程咨询（中国）有限公司 | The multidirectional damping device of bridge pier |
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