CN101942813A - Sound-absorbing anti-reflection brick - Google Patents
Sound-absorbing anti-reflection brick Download PDFInfo
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- CN101942813A CN101942813A CN 201010273015 CN201010273015A CN101942813A CN 101942813 A CN101942813 A CN 101942813A CN 201010273015 CN201010273015 CN 201010273015 CN 201010273015 A CN201010273015 A CN 201010273015A CN 101942813 A CN101942813 A CN 101942813A
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Abstract
The invention relates to a sound-absorbing anti-reflection brick, an outer surface of the sound-absorbing anti-reflection brick is a sound-absorbing surface, the sound-absorbing surface is a rough surface, a sound-absorbing structure is arranged on the sound-absorbing surface, a muffling cavity which is connected with the end part of part of the sound-absorbing structure is arranged in a brick body, and the part which is just opposite to the end surface of the sound-absorbing structure of the inner wall of the muffling cavity can not be the plane which is parallel to the end surface of the sound-absorbing structure, thereby leading acoustic waves entering into the muffling cavity can not be directly reflected to the outside of the muffling cavity. The sound-absorbing surface of the sound-absorbing anti-reflection brick is the rough surface, thereby being capable of leading the received acoustic waves and optical waves to produce the diffuse reflection and eliminating one part through the mutual offset between the acoustic waves and the optical waves. The sound-absorbing structure arranged on the sound-absorbing surface can well absorb low-frequency noise; and the sound-absorbing structure with the muffling cavity has great sound-absorbing effect to high-frequency noise.
Description
Technical field
The present invention relates to a kind of civil construction project brick, particularly a kind of brick with the anti-reflective function of sound-absorbing.
Background technology
Along with the city is growing, urban population increases, the urban road network is intensive gradually, the noise of generations such as vehicle has become a key factor that influences citizen's dwelling environment, traffic noise is one of city primary pollution source, and related data shows that city noise 50%-70% comes from traffic noise.According to investigations, the whole nation 90% above urban traffic noise average sound intensity surpasses 70dB, and most of city noise pollution is degradating trend.There is no great injury for the low-intensity noise on human body below the 55dB, but surpass the above noise of 70dB and will produce harmful effect human body, expressway speed height, big, the big-and-middle-sized car of the traffic volume and heavy goods vehicles proportion are bigger, the traffic noise that is produced causes serious pollution to resident along the line and environment, disturb people's normal life and rest, even influence people's physical and mental health, study, operating efficiency and quality are reduced.According to according to a preliminary estimate, China has more than 3,000 ten thousand people to be subjected to the influence of road noise at present, and wherein about 2,700,000 people live in the environment of the noise severe contamination that is higher than 70dB.Moreover, highway noise also can influence highway economic development along the line.Have data to show that the highway surrounding ground is worth every liter of 1dB of noise, land value can descend 0.8%～1.26%, and this is a very considerable numeral.Therefore, must pay attention to the logical Noise Control of highway is taked effective method and measure, with the adverse effect that reduces and the elimination traffic noise produces environment.
Aspect traffic noise control, carried out a large amount of research abroad, China has just begun the research of traffic noise as far back as nineteen sixty-five.The twentieth century initial stage eighties is carried out the prediction of traffic noise, at present the forecast model of existing many relevant traffic noises.Since carrying out traffic noise research, research focuses on the development of evaluation aspect along with expressway construction always, and the method for highway noise control and the research of measure are progressively carried out.Comprehensive highway noise control theory and method and measure both at home and abroad are from sound source, stop and distance control angle proposes to reduce the measure and the method for its noise pollution. and how to reduce the noise and the light pollution that produce the vehicle ' and become present urgency problem to be solved.At present, the city both sides of highway adopts sound insulating panel or noise barrier to eliminate the influence of vehicle to highway both sides resident usually.At present, the noise barrier that adopts usually can be divided into reflective and the sound absorption formula.Reflective barrier wall mainly carries out diffuse reflection to the propagation of noise sound wave, to reduce noise in the zone. and mainly adopt sound absorption material to reduce noise.The advantage of sound barrier is to save soil, noise reduction obviously simultaneously owing to adopting pin-connected panel to have removable advantage.But sound barrier also can produce negative interaction, constrains as easily causing driver psychology; The transparent material body of wall is easily dazzle the eyes with reflective phenomenon and is required often to clean; Improved the cost of road; Also destroyed simultaneously highway landscape to a certain extent.Therefore, sound barrier should be located at beyond curb edge 2m, and the barrier body of wall should not be higher than 5m.When sound barrier length during, should establish the emergency evacuation mouth greater than 1km.
Except noise pollution, light pollution also is another important pollution sources in the city, and the light pollution that causes owing to the reflection of the minute surface of generations such as curtain wall has extensively received the public's concern to the mankind's harm.As everyone knows, if for a long time strong illumination can make cone cell in the eyes impaired and eyesight descends, can cause as the prominent high light of meeting that people's dizziness, blurred vision, eyes swell and ache, vision deviation even temporary blind when especially drive night, and strengthen the possibility that traffic accident takes place.
Summary of the invention
For solving the existing problem of damping material in the prior art, the invention provides a kind of building brick: a kind of sound-absorbing antireflection brick with sound-absorbing anti-reflective function, an external surface of described sound-absorbing antireflection brick is the sound-absorbing face, described sound-absorbing face is a rough surface, it is provided with sound-absorbing structure, in the brick body, be provided with the silencing cavity that links to each other with part sound-absorbing structure end, described silencing cavity inwall and sound-absorbing structure end face over against part can not for the parallel plane of described sound-absorbing structure end face, make the sound wave that enters into silencing cavity directly do not reflected silencing cavity.
Further, described sound-absorbing structure has two kinds: shallow sound-absorbing structure and dark sound-absorbing structure, be provided with silencing cavity in the sound-absorbing antireflection brick body, described silencing cavity links to each other with dark sound-absorbing structure, wherein shallow sound-absorbing structure is used to absorb low-frequency noise, and dark sound-absorbing structure and coupled silencing cavity are used for the absorbing high-frequency noise.
Further, described sound-absorbing structure is to be arranged on the described sound-absorbing face, runs through the through slot of sound-absorbing antireflection brick or through slot not from top to bottom.
Further, the upper and lower surface of described sound-absorbing antireflection brick is provided with groove, and groove is for running through the groove of brick body along brick body length direction.
Further, the quantity of described groove is generally 2, the both sides that are arranged at the long central axis in the upper and lower surface of sound-absorbing antireflection brick of symmetry.
Further, described sound-absorbing antireflection brick inside is provided with through hole, and the quantity of through hole can be provided with according to brick body size and brick body desirable strength.
Further, described sound-absorbing antireflection brick be respectively arranged with groove and projection with perpendicular two sides of sound-absorbing face, described groove and projection relative set, the width of projection is slightly smaller than the width of groove, and the groove and the projection of two sound-absorbing antireflection bricks of left and right adjacent setting are firmly chimeric mutually when assembling.
Further, the upper surface that uses described sound-absorbing antireflection brick to build the body of wall of system at each layer all has the elongated slot of being made up of the groove of described sound-absorbing antireflection brick upper surface, in described elongated slot, add cement slurry, and wherein with the reinforcing bar setting, described reinforcing bar vertically runs through body of wall along body of wall, strengthens strength of wall body.
Further, the interior bone that vertically runs through body of wall in that the centre bore that uses described sound-absorbing antireflection brick to build to have in the body of wall of system by described sound-absorbing antireflection brick connects to form is provided with steel concrete column structure in described through hole.
Further, the sound-absorbing face of described sound-absorbing antireflection brick is splitting surface or cuts a hole sandblast towards hair side.
Description of drawings
Fig. 1 is the vertical view of the sound-absorbing antireflection brick among the embodiment 1;
Fig. 2 is a sound-absorbing antireflection brick front view;
Fig. 3 is an A-A sectional drawing among Fig. 2;
Fig. 4 is a B-B sectional drawing among Fig. 2;
Fig. 5 is a C-C sectional view among Fig. 1;
Fig. 6 is the vertical view of the sound-absorbing antireflection brick among the embodiment 2;
Fig. 7 a is the sound-absorbing structure that is provided with in the sound-absorbing antireflection brick among the present invention and the noise reduction principle schematic of silencing cavity
The reflection mode that Fig. 7 b part that to be silencing cavity 4 inwalls face with sound-absorbing structure enters sound wave in the silencing cavity when parallel with the noise-reducing structure end face.
The specific embodiment
As shown in Fig. 1-5: an external surface of sound-absorbing antireflection brick 1 is a sound-absorbing face 2, and sound-absorbing face 2 is a rough surface, and for example: splitting surface, cutter sandblast are towards hair side etc.And be provided with sound-absorbing structure 3 thereon, sound-absorbing structure 3 can be the groove with certain depth that runs through sound-absorbing antireflection brick 1 from top to bottom that is arranged on the sound-absorbing face 2, also can be other poroid or certain-lengths, but not run through the groove shape structure of sound-absorbing antireflection brick 1 with certain depth.Part sound-absorbing structure in the present embodiment is also connecting silencing cavity 4.Silencing cavity 4 is arranged in the brick body, is connected with the end away from the sound-absorbing face of sound-absorbing structure.The cross section of silencing cavity 4 can have any shape, as shown in Fig. 7 a, guarantee that part 41 that silencing cavity 4 inwalls and sound-absorbing structure 3 end faces 31 face can not be the plane parallel with noise-reducing structure end face 31, the part that described silencing cavity 4 inwalls and sound-absorbing structure face can be curved surface, with angled plane or the folding face of noise-reducing structure end face, make the sound wave 9 that enters into silencing cavity directly do not reflected silencing cavity, and in silencing cavity 4, cancel out each other after the reflection through for several times, reach the purpose of noise reduction.If silencing cavity 4 inwalls are parallel with noise-reducing structure end face 31 with the part 41 that sound-absorbing structure 3 end faces 31 face, then can take place as shown in Fig. 7 b, after sound wave 9 enters silencing cavity, directly reflected silencing cavity 4 again, so just can't reach the effect of noise reduction.Do not have silencing cavity 4 sound-absorbing structures 3 and be used to absorb low-frequency noise, the sound-absorbing structure that has silencing cavity is used for the absorbing high-frequency noise.
The upper and lower surface of sound-absorbing antireflection brick 1 is provided with groove 6, and groove 6 is for running through the groove of brick body along brick body length direction; Its cross section can be rectangle, semicircle or half elliptic; Preferably semicircle.The quantity of groove 6 is generally 2, the both sides that are arranged at upper and lower length surface direction central axis of symmetry.In the process of building the system sound-absorbing wall, reinforcing bar can be arranged on reinforcing bar and establish in the groove 6, and use cemented, to strengthen the intensity of body of wall.Sound-absorbing antireflection brick 1 is inner for having the hollow structure of through hole 5, and the quantity of through hole 5 can be provided with preferably two according to brick body size and brick body desirable strength.In addition, be respectively arranged with groove 7 and projection 8 with perpendicular two sides of the sound-absorbing face 2 of sound-absorbing antireflection brick 1, groove 7 and projection 8 relative set, and the width of projection 8 is slightly smaller than the width of groove 7, and the groove 7 and the projection 8 of two sound-absorbing antireflection bricks of left and right adjacent setting are firmly chimeric mutually when assembling.Be convenient in demoulding during for brickmaking, hole and groove inwall in the sound-absorbing antireflection brick 1 all have constant slope in vertical direction, in order to absorb the noise of different wave length better, also can place acoustical cotton etc. and strengthen assimilation effect to high frequency noise in silencing cavity 4.
As shown in Figure 6, sound-absorbing structure is divided into shallow sound-absorbing structure 3a and two kinds of dark sound-absorbing structure 3b in the present embodiment, and two kinds of sound-absorbing structures that the depth is different are provided with at interval; And silencing cavity 4 links to each other with dark sound-absorbing structure 3b.In addition, identical among other structures of sound-absorbing antireflection brick and the embodiment 1 in the present embodiment.
The set-up mode of the sound-absorbing structure described in the foregoing description can be provided with according to the actual requirements, and is not limited to the interval setting of the described different sound-absorbing structures of the embodiment of the invention.
Above-mentioned sound-absorbing antireflection brick adopts conventional base system method to build and makes upright sound-absorbing wall, or fore-and-aft direction has the inclination sound-absorbing wall and the curved wall sound-absorbing wall of certain gradient.In the system of base process, upper surface at each layer body of wall all has the elongated slot of being made up of the groove of sound-absorbing antireflection brick upper surface, can in described elongated slot, add cement slurry after having built the light body sound-absorbing of one deck antireflection brick, and wherein with the reinforcing bar setting, constitute the reinforced concrete structure that horizontal direction runs through body of wall, in addition, this elongated slot is also to because of reason such as rainy, at the glassware for drinking water that surface of wall retained guide functions is arranged, it can not penetrated in the body of wall.After having built several layers sound-absorbing antireflection brick, in the interior bone that vertically runs through body of wall that the centre bore by each sound-absorbing antireflection brick connects to form, reinforcing bar is set, and casting concrete; Form steel concrete column structure in the body of wall interior bone, this steel concrete column structure constitutes the reinforcing network of body of wall with the reinforced concrete structure that runs through body of wall along the body of wall horizontal direction.Can guarantee body of wall steadiness and shock resistance.
The above-mentioned sound-absorbing wall that forms by the sound-absorbing antireflection brick system of building because the sound-absorbing face of body of wall is a rough surface, can produce diffuse reflection to receiving sound wave, eliminates a part of sound by cancelling out each other between sound wave.The sound-absorbing structure that is provided with on the body of wall sound-absorbing face can well absorb low-frequency noise; The sound-absorbing structure that has silencing cavity has good sound-absorbing effect to high-frequency noise.Its noise reduction principle enters the high-frequency noise sound wave of silencing cavity by dark sound-absorbing structure as shown in Figure 7, cancels out each other through the reflection in silencing cavity.
In addition, because the sound-absorbing face of sound-absorbing wall is a rough surface, for example splitting surface, cutter sandblast are towards hair side etc., its surperficial micropore strengthens the absorption of the low-frequency noise of sound-absorbing antireflection brick centering, and irradiation light thereon also can be offset by the diffuse reflection of metope, avoids because the dazzling light of minute surface reflection causes the generation of bad phenomenon such as people's dizziness, blurred vision, eyes swell and ache, vision deviation.
Disclosed sound-absorbing antireflection brick among the present invention not only can be used to build the sound-absorbing wall of both sides of highway, can also be used for stadiums, arenas etc. have certain demand to noise reduction place.Also disclosed sound-absorbing antireflection brick among the present invention can be used in the swimming hall, the bigger places of water in air steam content such as aquarium, because its rough surface and sound-absorbing structure, surface textures such as silencing cavity, can increase the area that condenses of water vapour greatly, offset water vapour unnecessary in the deacration, have splendid effect.
It is to be noted that protection scope of the present invention is not limited to the above embodiments.According to any distortion that the specific embodiment of the present invention is made, all do not break away from the scope of spirit of the present invention and claim record.
Claims (10)
1. sound-absorbing antireflection brick, it is characterized by, an external surface of described sound-absorbing antireflection brick is the sound-absorbing face, described sound-absorbing face is a rough surface, it is provided with sound-absorbing structure, in the brick body, be provided with the silencing cavity that links to each other with part sound-absorbing structure end, described silencing cavity inwall and sound-absorbing structure end face over against part can not for the parallel plane of described sound-absorbing structure end face, make the sound wave that enters into silencing cavity directly do not reflected silencing cavity.
2. according to the antireflection of sound-absorbing described in the claim 1 brick, it is characterized by, described sound-absorbing structure has two kinds: shallow sound-absorbing structure and dark sound-absorbing structure, be provided with silencing cavity in the sound-absorbing antireflection brick body, described silencing cavity links to each other with dark sound-absorbing structure, wherein shallow sound-absorbing structure is used to absorb low-frequency noise, and dark sound-absorbing structure and coupled silencing cavity are used for the absorbing high-frequency noise.
3. according to the antireflection of sound-absorbing described in the claim 2 brick, it is characterized by, described sound-absorbing structure is to be arranged on the described sound-absorbing face, runs through the perforation of sound-absorbing antireflection brick or through slot not from top to bottom.
4. according to the antireflection of sound-absorbing described in the claim 1 brick, it is characterized by, the upper and lower surface of described sound-absorbing antireflection brick is provided with groove, and groove is for running through the groove of brick body along brick body length direction.
5. according to the antireflection of sound-absorbing described in the claim 4 brick, it is characterized by, the quantity of described groove is generally 2, the both sides that are arranged at the long central axis in the upper and lower surface of sound-absorbing antireflection brick of symmetry.
6. according to the antireflection of sound-absorbing described in the claim 1 brick, it is characterized by, described sound-absorbing antireflection brick inside is provided with through hole, and the quantity of through hole can be provided with according to brick body size and brick body desirable strength.
7. according to the antireflection of sound-absorbing described in the claim 1 brick, it is characterized by, described sound-absorbing antireflection brick be respectively arranged with groove and projection with perpendicular two sides of sound-absorbing face, described groove and projection relative set, the width of projection is slightly smaller than the width of groove, and the groove and the projection of two sound-absorbing antireflection bricks of left and right adjacent setting are firmly chimeric mutually when assembling.
8. according to the antireflection of sound-absorbing described in the claim 4 brick, it is characterized by, the upper surface that uses described sound-absorbing antireflection brick to build the body of wall of system at each layer all has the elongated slot of being made up of the groove of described sound-absorbing antireflection brick upper surface, in described elongated slot, add cement slurry, and wherein with the reinforcing bar setting, described reinforcing bar vertically runs through body of wall along body of wall, strengthens strength of wall body.
9. according to the antireflection of sound-absorbing described in the claim 6 brick, it is characterized by, the interior bone that vertically runs through body of wall in that the centre bore that uses described sound-absorbing antireflection brick to build to have in the body of wall of system by described sound-absorbing antireflection brick connects to form is provided with steel concrete column structure in described through hole.
10. according to the antireflection of sound-absorbing described in the claim 1 brick, it is characterized by, the sound-absorbing face of described sound-absorbing antireflection brick is splitting surface or cuts a hole sandblast towards hair side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010273015 CN101942813A (en) | 2010-09-06 | 2010-09-06 | Sound-absorbing anti-reflection brick |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010273015 CN101942813A (en) | 2010-09-06 | 2010-09-06 | Sound-absorbing anti-reflection brick |
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| Publication Number | Publication Date |
|---|---|
| CN101942813A true CN101942813A (en) | 2011-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010273015 Pending CN101942813A (en) | 2010-09-06 | 2010-09-06 | Sound-absorbing anti-reflection brick |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103437476A (en) * | 2013-08-20 | 2013-12-11 | 钟粤 | Sound absorption wall brick |
| WO2018196236A1 (en) * | 2017-04-23 | 2018-11-01 | 阿润 | Noise-reduction bricks having bell mouth |
| CN114945294A (en) * | 2019-10-21 | 2022-08-26 | 彪马欧洲公司 | Article of footwear with integrated sound damping automatic lacing system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2088133U (en) * | 1990-10-23 | 1991-11-06 | 陆义仁 | Multi-function brick |
| JPH11323845A (en) * | 1998-05-15 | 1999-11-26 | Kam:Kk | Sound absorbing panel |
| CN2373503Y (en) * | 1997-08-05 | 2000-04-12 | 金承中 | Hollow large brick for composing firm and anti-quake building main body |
| CN2527618Y (en) * | 2001-03-16 | 2002-12-25 | 陈志勋 | anti-seismic brick |
| CN2856233Y (en) * | 2005-12-27 | 2007-01-10 | 何排枝 | Sound-proof bricks |
| CN1897106A (en) * | 2005-07-17 | 2007-01-17 | 楚杏芬 | Sound absorber |
| CN201125501Y (en) * | 2007-11-08 | 2008-10-01 | 罗正明 | Acoustical absorption ceramic tile |
| CN201265144Y (en) * | 2008-09-08 | 2009-07-01 | 边振海 | Shoulder hole structure acoustic panel |
-
2010
- 2010-09-06 CN CN 201010273015 patent/CN101942813A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2088133U (en) * | 1990-10-23 | 1991-11-06 | 陆义仁 | Multi-function brick |
| CN2373503Y (en) * | 1997-08-05 | 2000-04-12 | 金承中 | Hollow large brick for composing firm and anti-quake building main body |
| JPH11323845A (en) * | 1998-05-15 | 1999-11-26 | Kam:Kk | Sound absorbing panel |
| CN2527618Y (en) * | 2001-03-16 | 2002-12-25 | 陈志勋 | anti-seismic brick |
| CN1897106A (en) * | 2005-07-17 | 2007-01-17 | 楚杏芬 | Sound absorber |
| CN2856233Y (en) * | 2005-12-27 | 2007-01-10 | 何排枝 | Sound-proof bricks |
| CN201125501Y (en) * | 2007-11-08 | 2008-10-01 | 罗正明 | Acoustical absorption ceramic tile |
| CN201265144Y (en) * | 2008-09-08 | 2009-07-01 | 边振海 | Shoulder hole structure acoustic panel |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103437476A (en) * | 2013-08-20 | 2013-12-11 | 钟粤 | Sound absorption wall brick |
| WO2018196236A1 (en) * | 2017-04-23 | 2018-11-01 | 阿润 | Noise-reduction bricks having bell mouth |
| CN114945294A (en) * | 2019-10-21 | 2022-08-26 | 彪马欧洲公司 | Article of footwear with integrated sound damping automatic lacing system |
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Application publication date: 20110112 |