CN107445553A - A kind of sound barrier backboard concrete and sound barrier backboard - Google Patents
A kind of sound barrier backboard concrete and sound barrier backboard Download PDFInfo
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- CN107445553A CN107445553A CN201710751859.XA CN201710751859A CN107445553A CN 107445553 A CN107445553 A CN 107445553A CN 201710751859 A CN201710751859 A CN 201710751859A CN 107445553 A CN107445553 A CN 107445553A
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- 239000004567 concrete Substances 0.000 title claims abstract description 53
- 239000000835 fiber Substances 0.000 claims abstract description 26
- 238000009413 insulation Methods 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 20
- 239000002994 raw material Substances 0.000 claims abstract description 19
- 239000003351 stiffener Substances 0.000 claims abstract description 13
- 239000011230 binding agent Substances 0.000 claims abstract description 11
- 239000000654 additive Substances 0.000 claims abstract description 10
- 230000000996 additive effect Effects 0.000 claims abstract description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 23
- 239000003638 chemical reducing agent Substances 0.000 claims description 18
- 239000004576 sand Substances 0.000 claims description 12
- 150000003839 salts Chemical class 0.000 claims description 11
- 239000002689 soil Substances 0.000 claims description 11
- 238000009825 accumulation Methods 0.000 claims description 9
- 239000003112 inhibitor Substances 0.000 claims description 9
- 230000008961 swelling Effects 0.000 claims description 9
- 239000012745 toughening agent Substances 0.000 claims description 9
- 239000004568 cement Substances 0.000 claims description 8
- 239000004575 stone Substances 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000011324 bead Substances 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 6
- 229920005610 lignin Polymers 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 229920002748 Basalt fiber Polymers 0.000 claims description 5
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 5
- 239000004917 carbon fiber Substances 0.000 claims description 5
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims description 5
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims description 5
- 235000014380 magnesium carbonate Nutrition 0.000 claims description 5
- 239000001095 magnesium carbonate Substances 0.000 claims description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 5
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 229910021653 sulphate ion Inorganic materials 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims 1
- 150000007513 acids Chemical class 0.000 claims 1
- HTMIBDQKFHUPSX-UHFFFAOYSA-N methdilazine Chemical group C1N(C)CCC1CN1C2=CC=CC=C2SC2=CC=CC=C21 HTMIBDQKFHUPSX-UHFFFAOYSA-N 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 11
- -1 admixture Substances 0.000 abstract description 5
- 230000002787 reinforcement Effects 0.000 abstract description 3
- 238000005452 bending Methods 0.000 abstract description 2
- 239000004566 building material Substances 0.000 abstract description 2
- 230000035939 shock Effects 0.000 abstract 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 238000012360 testing method Methods 0.000 description 5
- 239000004743 Polypropylene Substances 0.000 description 4
- 239000011398 Portland cement Substances 0.000 description 4
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- 230000008901 benefit Effects 0.000 description 3
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- 238000010998 test method Methods 0.000 description 3
- 208000037656 Respiratory Sounds Diseases 0.000 description 2
- 230000003487 anti-permeability effect Effects 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
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- 238000002156 mixing Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- 235000003283 Pachira macrocarpa Nutrition 0.000 description 1
- 241001083492 Trapa Species 0.000 description 1
- 235000014364 Trapa natans Nutrition 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 229910000329 aluminium sulfate Inorganic materials 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- 235000011128 aluminium sulphate Nutrition 0.000 description 1
- 230000002742 anti-folding effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
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- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/06—Aluminous cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/30—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing magnesium cements or similar cements
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
- E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/52—Sound-insulating materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
- C04B2201/52—High compression strength concretes, i.e. with a compression strength higher than about 55 N/mm2, e.g. reactive powder concrete [RPC]
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention relates to building material technical field, there is provided a kind of sound barrier backboard concrete and sound barrier backboard.The raw material of the concrete includes：Binder materials, aggregate, admixture, fiber and additive；It has excellent durability mechanical property；The sound barrier backboard includes backboard body, backboard body offers sound insulation groove, along backboard body length direction, bottom wall, the first side wall and second sidewall offer the first lightening hole respectively, along the length direction of backboard body, the one side of the first side wall and second sidewall away from sound insulation groove is respectively arranged with public groove and female groove, the form fit of public groove and female groove, the first side wall, second sidewall and stiffener are provided with reinforced hole, by being implanted into reinforcement, inject grouting material and using concrete plug grouting mouth, the shock resistance of backboard is set significantly to strengthen with bending strength, so as to which durability and steadiness are greatly improved, ensure being perfectly safe for backboard.The sound barrier backboard has excellent support effect and defening effect.
Description
Technical field
The invention belongs to building material technical field, specifically, is related to a kind of sound barrier backboard concrete and sound-screen
Hinder backboard.
Background technology
Sound barrier, also referred to as sound-proof wall, refer to being arranged on railway to mitigate influence of the driving noise to neighbouring resident
With the wall structure by roadside, the sound insulation for being mainly used in highway, highway, overhead composite road and other noise sources is dropped
Make an uproar.
Sound-absorbing barrier is arranged on backboard, collectively constitutes sound barrier batten.It is adjacent that sound barrier batten is arranged on two again
Between column, that is, form continuous sound insulation band together.
Sound wave passes through loose porous acoustic board on the inside of traffic lines, the skeleton particle of acoustic board is produced mechanical oscillation.
In the process, the part energy of sound wave is converted into the heat energy of acoustic board skeleton particle.Therefore, acoustic wave energy is weakened, table
Now reduced for intensity of sound, acoustic board realizes acoustically effective.Through the sound wave of acoustic board, due to by the closely knit sound barrier of structure
The barrier effect of backboard, is reflected back toward in cavity, a part of sound wave roundtrip in cavity, another part sound wave entrance or anti-
Direction spreads out of acoustic board.The noise of traffic lines is destroyed or stayed in like this on the inside of sound barrier, for subjective reflection, i.e.,
Realize the purpose of sound insulation and noise reducing.As can be seen here, very important effect is played in installation of the backboard for defening effect and acoustic board.
Traditional backboard manufacture craft is pouring molding.Pouring molding technique has that automaticity is low, low production efficiency,
Product size and performance inconsistency are big, noise pollution, the shortcomings of air pollution is serious；Determined in addition using simple extruding-out process
Reinforcing bar can not be arranged inside backboard, and backboard durability and safety in utilization are without guarantee.
Therefore, inventing a kind of sound barrier backboard that can solve the problem that above mentioned problem becomes current urgent problem to be solved.
The content of the invention
For deficiency above-mentioned in the prior art, the first object of the present invention is to provide a kind of sound barrier backboard coagulation
Soil, the concrete have excellent durability；Its rupture strength, breaking resistance, impact strength, anti-freezing property and impermeability
The mechanical properties such as energy are good.
For deficiency above-mentioned in the prior art, the second object of the present invention is to provide a kind of sound barrier backboard, the sound
Barrier backboard high-strength light, defening effect is excellent, safe, and use is durable.
In order to achieve the above object, the preferable solution that uses of the present invention is：
A kind of sound barrier backboard concrete, its raw material fraction meter by weight, including：Binder materials 10-15 parts, aggregate
60-90 parts, admixture 10-15 parts, fiber 0.5-3 parts and additive 0.5-1.5 parts.
Further, in preferred embodiments of the present invention, fraction meter by weight, aggregate include coarse aggregate 40-60 parts and
Fine aggregate 20-30 parts.
Further, in preferred embodiments of the present invention, coarse aggregate includes at least one of stone and haydite, thin bone
Material includes at least one of natural sand, Machine-made Sand and glass bead.
Further, in preferred embodiments of the present invention, binder materials include portland cement, sulphate aluminium cement and
At least one of magnesite binding material.
Further, in preferred embodiments of the present invention, fiber include steel fibre, polypropylene fibre, lignin fibre,
At least one of basalt fibre and carbon fiber.
Further, in preferred embodiments of the present invention, additive includes high-efficiency water-reducing agent of poly-carboxylic acid, water-loss reducer, delayed
At least one of solidifying agent, early strength agent, toughener, accumulation of salt in the surface soil inhibitor and swelling agent.
A kind of sound barrier backboard, it is prepared by above-mentioned sound barrier backboard with concrete.
Further, in preferred embodiments of the present invention, sound barrier backboard includes stripe shape backboard body, backboard body edge
Its length direction offers sound insulation groove, and sound insulation groove is by bottom wall and the first side wall and second sidewall that are relatively arranged on bottom wall both sides
Enclose and form, the one end of the first side wall and second sidewall away from bottom wall offers acoustic board holding tank, acoustic board holding tank respectively
Being set along the length direction of backboard body, two acoustic board holding tanks are oppositely arranged, along backboard body length direction, bottom wall, the
One side wall and second sidewall offer the first lightening hole respectively, along the length direction of backboard body, the first side wall and second sidewall
One side away from sound insulation groove is respectively arranged with the form fit of public groove and female groove, public groove and female groove.
Further, in preferred embodiments of the present invention, along the length direction of backboard body, bottom wall is provided with reinforcement
Bar, stiffener are arranged in sound insulation groove.
Further, in preferred embodiments of the present invention, along the length direction of backboard body, stiffener offers reinforcing
Hole.
A kind of sound barrier backboard provided by the invention is with the beneficial effect of concrete and sound barrier backboard：
(1) sound barrier backboard concrete provided in an embodiment of the present invention, its raw material include binder materials, aggregate, blending
Material, fiber and additive；
Wherein, in this application, binder materials preferably includes, but is not limited to portland cement, sulphate aluminium cement and water chestnut
Magnesium binder materials；Those binder materials have fast solidifying, early strength and later strength steady-state growth, and frost resistance is good, resistance to
The advantages that corrosivity is strong, impervious good, and anti-carbonation properties are excellent, and drying shrinkage is small and wearability is good；In this application, aggregate includes
Fine aggregate and coarse aggregate, wherein, it is contemplated that material it is ready availability, coarse aggregate includes stone and haydite, fine aggregate include natural sand,
Machine-made Sand and glass bead, those aggregates are respectively provided with the performance of high-strength light；It is fine that fiber preferably includes steel fibre, polypropylene
The natural fibers such as dimension, lignin fibre, basalt fibre, carbon fiber and chemical fibre；Fibrous material can improve concrete modeling
Property, the incipient plastic crackle of concrete is prevented or reduces, and hinder crackle further to develop；In order to improve concrete performance,
Using water wisely, strength grade of concrete is adjusted, admixture is mixed in concrete mixing can improve the powdered ore of concrete performance
Material；In this application, additive preferably include high-efficiency water-reducing agent of poly-carboxylic acid, water-loss reducer, retarder, early strength agent, toughener,
Accumulation of salt in the surface soil inhibitor and swelling agent；Additive can significantly improve the chemical substance of concrete performance, be mixed in concrete additional
Agent, there is small investment, quick, technical economic benefit outstanding feature；
In this application, coordinated between each raw material of sound barrier backboard concrete, concrete, which is made, to be reached
Arrive and be better than concrete national standard；Binder materials, aggregate, admixture, the proportioning of fiber and additive are created through inventor
Property design gained, according to the proportioning prepare the preparation-obtained concrete of raw material, it has excellent water resistance, anti-carbonation
Property, durability；Its rupture strength, breaking resistance, impact strength, anti-freezing property and anti-permeability performance are good；Deadweight is lighter.
(2) sound barrier backboard provided in an embodiment of the present invention, the sound barrier backboard concrete of the application offer is employed
It is prepared, the raw material of high-strength light add scientific and reasonable boring structure design, and it is steady to further enhancing its support
Solidity and defening effect, its excellent in te pins of durability are safe.
Brief description of the drawings
Fig. 1 is the stereogram of sound barrier backboard provided in an embodiment of the present invention；
Fig. 2 is the using state structure diagram of sound barrier backboard provided in an embodiment of the present invention.
Icon：100- sound barrier backboards；200- acoustic boards；110- backboard bodies；120- sound insulation grooves；121- bottom walls；122-
The first side wall；123- second sidewalls；130- acoustic board holding tanks；140- stiffeners；The lightening holes of 150- first；160- reinforced holes；
The lightening holes of 170- second；180- reinforced holes；181- public affairs grooves；182- female grooves.
Embodiment
, below will be in the embodiment of the present invention to make the purpose, technical scheme and advantage of the embodiment of the present invention clearer
Technical scheme be clearly and completely described.Unreceipted actual conditions person, builds according to normal condition or manufacturer in embodiment
The condition of view is carried out.Agents useful for same or the unreceipted production firm person of instrument, it is the conventional production that can be obtained by commercially available purchase
Product.
Embodiment 1
Present embodiments provide a kind of sound barrier backboard concrete, its raw material include 15 parts of acid salt cement, 40 parts of stone,
20 parts of natural sand, 10 parts of admixture, 0.5 part of steel fibre, 0.05 part of high-efficiency water-reducing agent of poly-carboxylic acid, 0.05 part of water-loss reducer, retarder
0.05 part, 0.05 part of early strength agent, 0.08 part of toughener, 0.02 part of accumulation of salt in the surface soil inhibitor, 0.2 part of swelling agent；
The structure for the sound barrier backboard 100 that the present embodiment is prepared is as follows：
As shown in Figures 1 and 2, including stripe shape backboard body 110.In the present embodiment, it is contemplated that can mitigate certainly
Body weight, it is preferable that backboard body 110 offers sound insulation groove 120, and the set location of sound insulation groove 120 is not particularly limited, as
Preferably, length direction of the groove 120 along backboard body 110 that insulate against sound is set.
In the present embodiment, it is contemplated that acoustic board 200 can be easy to install, preferably, sound insulation groove 120 is by bottom wall
121 and it is relatively arranged on the first side wall 122 of the both sides of bottom wall 121 and second sidewall 123 is enclosed and formed, the first side wall 122 and the
Two one end of side wall 123 away from bottom wall 121 offer acoustic board holding tank 130 respectively, and acoustic board holding tank 130 is along backboard body
110 length direction is set, and two acoustic board holding tanks 130 are oppositely arranged, and the set-up mode enables to acoustic board 200 firm
It is embedded at backboard body 110.
Referring to Fig. 2, in the present embodiment, in order to increase the support steadiness of backboard body 110, it is preferable that along backboard
The length direction of body 110, bottom wall 121 are provided with stiffener 140, and stiffener 140 is arranged in sound insulation groove 120；Preferably, add
Strong bar 140 is arranged at the center of sound insulation groove 120, and the width of stiffener 140 is not particularly limited, in order to further firmly
Acoustic board 200 is formed and supported, it is preferable that the width of stiffener 140 is defined by that can be formed to abut with acoustic board 200 just.
In this embodiment, it is preferred that along the length direction of backboard body 110, bottom wall 121, the side of the first side wall 122 and second
Wall 123 offers the first lightening hole 150 respectively, along the length direction of backboard body 110, stiffener 140 and the junction of bottom wall 121
The second lightening hole 170 is offered, the set-up mode is advantageous to further mitigate the deadweight of backboard body 110, reduces installation and fortune
Defeated difficulty, mitigate the deadweight of sound barrier batten.On the other hand, it is arranged on when by acoustic board 200 on sound barrier backboard 100, then
After whole device is installed on column, the first lightening hole 150 and the second lightening hole 170 can form closed knot with the side wall of column
Structure, the air dielectric in its groove can reach buffering and the effect of consumption sound, further improve sound insulation effect.
Further, connect along the length direction of backboard body 110, bottom wall 121 with the first side wall 122 and second sidewall 123
The place of connecing offers reinforced hole 180 respectively, and stiffener 140 offers reinforced hole 160 with the junction of bottom wall 121.Reinforced hole 180 and plus
Solid hole 160 be used for reinforcement (not shown) is set, to strengthen the bending strength of sound barrier backboard 100 and impact strength.
In the present embodiment, along the length direction of backboard body 110, the first side wall 122 and second sidewall 123 away from sound insulation
The one side of groove 120 is also respectively provided with public groove 181 and female groove 182.Public groove 181 and female groove 182 can not only be sound barrier backboard
100 Light deformation reserves deformation space, in addition, can also strengthen the path of Acoustic Wave Propagation, also help sound wave formed refraction or
Reflection, aid in flat；In addition, the form fit of public groove 181 and female groove 182, the installation for being advantageous to upper and lower sound barrier backboard 100 is steady
Gu the male groove 181 of underlying sound barrier backboard 100 can just be embedded at the mother of sound barrier backboard 100 above
In groove 182.
In the present embodiment, preferably, along the length direction of backboard body 110, bottom wall 121 is away from sound insulation groove 120
One side be in undaform, the set-up mode, which is advantageous to further auxiliary, reduces volume.
Embodiment 2
A kind of sound barrier backboard concrete is present embodiments provided, its raw material includes 15 parts of sulphate aluminium cement, haydite
60 parts, it is 30 parts of Machine-made Sand, 15 parts of admixture, 3 parts of polypropylene fibre, 0.5 part of high-efficiency water-reducing agent of poly-carboxylic acid, 0.5 part of water-loss reducer, slow
Solidifying 0.1 part of agent, 0.25 part of early strength agent, 0.05 part of toughener, 0.02 part of accumulation of salt in the surface soil inhibitor, 0.08 part of swelling agent；
The structure for the sound barrier backboard 100 that the present embodiment is prepared refers to embodiment 1.
Embodiment 3
A kind of sound barrier backboard concrete is present embodiments provided, its raw material includes 12 parts of magnesite binding material, haydite
50 parts, 25 parts of glass bead, 12 parts of admixture, 2 parts of lignin fibre, 0.25 part of high-efficiency water-reducing agent of poly-carboxylic acid, water-loss reducer 0.25
Part, 0.1 part of retarder, 0.25 part of early strength agent, 0.05 part of toughener, 0.02 part of accumulation of salt in the surface soil inhibitor, 0.08 part of swelling agent；
The structure for the sound barrier backboard 100 that the present embodiment is prepared refers to embodiment 1.
Embodiment 4
A kind of sound barrier backboard concrete is present embodiments provided, its raw material includes 6 parts of portland cement, magnesite is gelled
6 parts of material, 25 parts of stone, 25 parts of haydite, 10 parts of Machine-made Sand, 15 parts of glass bead, 12 parts of admixture, 0.5 part of basalt fibre,
0.5 part of carbon fiber, 1 part of lignin fibre, 0.25 part of high-efficiency water-reducing agent of poly-carboxylic acid, 0.25 part of water-loss reducer, 0.1 part of retarder, morning
Strong 0.25 part of agent, 0.05 part of toughener, 0.02 part of accumulation of salt in the surface soil inhibitor, 0.08 part of swelling agent；
The structure for the sound barrier backboard 100 that the present embodiment is prepared refers to embodiment 1.
Embodiment 5
A kind of sound barrier backboard concrete is present embodiments provided, its raw material includes 3 parts of portland cement, aluminium sulfate
2 parts of cement, 7 parts of magnesite binding material, 25 parts of stone, 25 parts of haydite, 5 parts of natural sand, 10 parts of Machine-made Sand, 10 parts of glass bead,
12 parts of admixture, 0.25 part of steel fibre, 0.25 part of polypropylene fibre, 0.25 part of basalt fibre, 0.25 part of carbon fiber, lignin
1 part of fiber, 0.25 part of high-efficiency water-reducing agent of poly-carboxylic acid, 0.25 part of water-loss reducer, 0.1 part of retarder, 0.25 part of early strength agent, toughener
0.05 part, 0.02 part of accumulation of salt in the surface soil inhibitor, 0.08 part of swelling agent；
The structure for the sound barrier backboard 100 that the present embodiment is prepared refers to embodiment 1.
Comparative example 1
This comparative example provides a kind of sound barrier backboard concrete, and its raw material includes 20 parts of silicic acid acid salt cement, stone
20 parts, 10 parts of natural sand, 30 parts of admixture, 0.2 part of steel fibre, 0.1 part of high-efficiency water-reducing agent of poly-carboxylic acid, 0.1 part of water-loss reducer, slow setting
0.05 part of agent, 0.05 part of early strength agent, 0.05 part of toughener, 0.02 part of accumulation of salt in the surface soil inhibitor, 0.01 part of swelling agent；
The structure for the sound barrier backboard 100 that this comparative example is prepared refers to embodiment 1.
Comparative example 2
This comparative example provides a kind of normal concrete；
The structure for the sound barrier backboard 100 that this comparative example is prepared refers to embodiment 1.
Experimental example 1
The sound barrier backboard concrete for taking the embodiment 1-5 and comparative example 1-2 of equivalent to provide, is arranged to experimental group 1-7,
According to GB/T50081-2002《Standard for test methods of mechanical properties of ordinary concrete》Standard technique index resists to experimental group 1-7
Compressive Strength carries out performance test；According to GBT50080-2002《Standard for test methods of properties of ordinary concrete mixture standard industry mark
Accurate, national regulation》Test evaluation workability is carried out to the experimental group 1-7 slump；According to GB/T17671-1999《Cement mortar
Ruggedness test method (ISO methods)》Experimental group 1-7 rupture strength is tested, test result is as shown in table 1：
The experimental group 1-7 of table 1 performance indications
As known to the data of table 1, sound barrier backboard concrete its resistance to compression degree that experimental group 1-6 is provided, rupture strength and
Easy property is superior to test group 7.Experimental group 7 use sound barrier backboard concrete of the prior art, its mechanical property far away from
The sound barrier backboard concrete that experimental example 1-6 is provided, sound barrier backboard its resistance to compression journey of concrete that experimental group 1-6 is provided
Degree, rupture strength, workability are superior to national standard, and the result shows, are matched somebody with somebody by that can be cooperateed between each raw material of present invention offer
Close, sound barrier backboard concrete, which is made, has excellent mechanical property.
The sound barrier backboard that experimental group 1-5 is provided is superior to test with concrete its resistance to compression degree, rupture strength, workability
Group 6.Not in the range of the application protects, the result shows the proportioning of 6 each raw material of experimental group, when binder materials 10-15 parts,
When aggregate 60-90 parts, admixture 10-15 parts, fiber 0.5-3 parts and additive 0.5-1.5 parts, it can be cooperateed between each raw material
Optimal effect is played, according to the preparation-obtained sound barrier backboard concrete of the raw material prepared in the ratio range, its power
It is the most excellent to learn performance, disclosure satisfy that the high performance requirements of concrete needed for the device such as sound barrier backboard.
The sound barrier backboard that experimental group 3,4 and 5 provides is superior to concrete its resistance to compression degree, rupture strength, workability
Test group 1 and 2, the result is further demonstrated that, obtained sound barrier backboard is used in the range of each raw material proportioning that the application provides
Its mechanical property of concrete is the most excellent, disclosure satisfy that the high-performance of concrete needed for the device such as sound barrier backboard will
Ask.
In summary, sound barrier backboard concrete provided in an embodiment of the present invention has excellent durability；Its anti-folding
The mechanical properties such as intensity, breaking resistance, impact strength, anti-freezing property and anti-permeability performance are good；The sound barrier backboard coagulation
Soil can be as the raw material for preparing sound barrier backboard, the sound barrier backboard high-strength light that is prepared, and defening effect is excellent, security
Height, use are durable.
Embodiments described above is part of the embodiment of the present invention, rather than whole embodiments.The reality of the present invention
The detailed description for applying example is not intended to limit the scope of claimed invention, but is merely representative of the selected implementation of the present invention
Example.Based on the embodiment in the present invention, what those of ordinary skill in the art were obtained under the premise of creative work is not made
Every other embodiment, belongs to the scope of protection of the invention.
Claims (10)
- A kind of 1. sound barrier backboard concrete, it is characterised in that its raw material fraction meter by weight, including：Binder materials 10-15 Part, aggregate 60-90 parts, admixture 10-15 parts, fiber 0.5-3 parts and additive 0.5-1.5 parts.
- 2. sound barrier backboard concrete according to claim 1, it is characterised in that count in parts by weight, the aggregate Including coarse aggregate 40-60 parts and fine aggregate 20-30 parts.
- 3. sound barrier backboard concrete according to claim 2, it is characterised in that the coarse aggregate includes stone and pottery At least one of grain, the fine aggregate include at least one of natural sand, Machine-made Sand and glass bead.
- 4. sound barrier backboard concrete according to claim 1, it is characterised in that the binder materials includes silicate At least one of cement, sulphate aluminium cement and magnesite binding material.
- 5. sound barrier backboard concrete according to claim 1, it is characterised in that the fiber includes steel fibre, gathered At least one of tacryl, lignin fibre, basalt fibre and carbon fiber.
- 6. sound barrier backboard concrete according to claim 1, it is characterised in that it is high that the additive includes polycarboxylic acids Imitate at least one of water reducer, water-loss reducer, retarder, early strength agent, toughener, accumulation of salt in the surface soil inhibitor and swelling agent.
- 7. a kind of sound barrier backboard, it is characterised in that as the sound barrier backboard concrete described in claim 1-6 any one It is prepared.
- 8. sound barrier backboard according to claim 7, it is characterised in that including stripe shape backboard body (110), the backboard Body (110) offers sound insulation groove (120) along its length direction, and sound insulation groove (120) is by bottom wall (121) and is relatively arranged on institute The first side wall (122) and second sidewall (123) for stating bottom wall (121) both sides are enclosed and formed, the first side wall (122) and described The one end of second sidewall (123) away from bottom wall (121) offers acoustic board holding tank (130), the acoustic board holding tank respectively (130) set along the length direction of backboard body (110), two acoustic board holding tanks (130) are oppositely arranged, along backboard sheet Body (110) length direction, the bottom wall (121), the first side wall (122) and the second sidewall (123) offer respectively First lightening hole (150), along the length direction of the backboard body (110), the first side wall (122) and second sidewall (123) are remote One side from sound insulation groove (120) is respectively arranged with public groove (181) and female groove (182), the public groove (181) and the female groove (182) form fit.
- 9. sound barrier backboard according to claim 8, it is characterised in that along the length direction of the backboard body (110), Bottom wall (121) is provided with stiffener (140), and stiffener (140) is arranged in sound insulation groove (120).
- 10. sound barrier backboard according to claim 8, it is characterised in that along the length side of the backboard body (110) To stiffener (140) offers reinforced hole (160).
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| CN110004846A (en) * | 2019-04-30 | 2019-07-12 | 江苏新光环保工程有限公司 | A kind of high-strength light environment-friendly type non-metal sound barrier |
| ES2732675A1 (en) * | 2018-05-22 | 2019-11-25 | Digitalia Soluciones Estructurales S L | CONCRETE ELEMENT, MANUFACTURING PROCEDURE AND ITS USE AS VIBRATORY BARRIER ON RAILWAYS (Machine-translation by Google Translate, not legally binding) |
| CN111285652A (en) * | 2020-03-14 | 2020-06-16 | 新疆西部丝路交通产业创新联盟科技有限公司 | High-performance concrete |
| CN111454031A (en) * | 2020-05-14 | 2020-07-28 | 四川双铁科技有限公司 | Integral sound barrier and panel thereof and panel manufacturing method |
| GB2599015A (en) * | 2020-09-17 | 2022-03-23 | Anderton Concrete Products Ltd | A cable trough |
| GB2598911A (en) * | 2020-09-17 | 2022-03-23 | Anderton Concrete Products Ltd | A cable trough |
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| CN205100122U (en) * | 2015-11-17 | 2016-03-23 | 山西军昊实业有限公司 | Corrosion -resistant non - metallic sound protective screen of high strength |
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| ES2732675A1 (en) * | 2018-05-22 | 2019-11-25 | Digitalia Soluciones Estructurales S L | CONCRETE ELEMENT, MANUFACTURING PROCEDURE AND ITS USE AS VIBRATORY BARRIER ON RAILWAYS (Machine-translation by Google Translate, not legally binding) |
| CN110004846A (en) * | 2019-04-30 | 2019-07-12 | 江苏新光环保工程有限公司 | A kind of high-strength light environment-friendly type non-metal sound barrier |
| CN111285652A (en) * | 2020-03-14 | 2020-06-16 | 新疆西部丝路交通产业创新联盟科技有限公司 | High-performance concrete |
| CN111454031A (en) * | 2020-05-14 | 2020-07-28 | 四川双铁科技有限公司 | Integral sound barrier and panel thereof and panel manufacturing method |
| CN111454031B (en) * | 2020-05-14 | 2023-11-03 | 四川双铁科技有限公司 | Integral sound barrier, panel thereof and panel manufacturing method |
| GB2599015A (en) * | 2020-09-17 | 2022-03-23 | Anderton Concrete Products Ltd | A cable trough |
| GB2598911A (en) * | 2020-09-17 | 2022-03-23 | Anderton Concrete Products Ltd | A cable trough |
| GB2598911B (en) * | 2020-09-17 | 2023-04-19 | Anderton Concrete Products Ltd | A cable trough |
| GB2599015B (en) * | 2020-09-17 | 2023-05-17 | Anderton Concrete Products Ltd | A Fence Post |
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Application publication date: 20171208 |