CN210597074U - Combined ultra-high strength concrete-micropore ceramic composite sound barrier - Google Patents
Combined ultra-high strength concrete-micropore ceramic composite sound barrier Download PDFInfo
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- CN210597074U CN210597074U CN201920728361.6U CN201920728361U CN210597074U CN 210597074 U CN210597074 U CN 210597074U CN 201920728361 U CN201920728361 U CN 201920728361U CN 210597074 U CN210597074 U CN 210597074U
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Abstract
The utility model relates to a sound absorption protective screen technical field discloses a modular ultra-high strength concrete-compound sound protective screen of micropore pottery and manufacturing method thereof, and modular ultra-high strength concrete-compound sound protective screen of micropore pottery includes concrete foundation, stand and sets up the sound absorption and insulation cell board between two adjacent stands. The sound absorption and insulation unit plate of the utility model has sound insulation performance and sound absorption performance, and the aperture of the micropore ceramic sound absorption plate is gradually reduced from one side close to the back plate to one side close to the road forming surface, thus realizing the frequency division treatment of noise with different frequencies; the ultra-high-strength concrete and the microporous ceramic sound absorption plate adopt an integrated forming production process, and the two materials form a unified whole with sound absorption and insulation functions without secondary assembly and matching, so that the stability is good; the large-scale mechanical hoisting equipment is not needed during installation and construction, the cost is saved, the efficiency is improved, meanwhile, the built road sound barrier can be quickly installed, and the influence on traffic traveling is small.
Description
Technical Field
The utility model relates to a sound absorption protective screen technical field, concretely relates to modular super high strength concrete-compound sound protective screen of micropore pottery.
Background
Sound barriers are devices inserted between the source and the receiver that allow a significant additional attenuation of the source propagation, thereby reducing the noise contribution of the receiver in a certain area. The sound absorption material used for the sound barrier of the high-speed railway firstly has the sound absorption performance meeting the design requirement of the sound barrier structure, the noise reduction coefficient NRC is more than 0.5, and meanwhile, the sound absorption material used for the sound barrier of the high-speed railway also has good mechanical performance and weather resistance, can bear the combined action of train aerodynamic force and wind load, and can also bear wind, rain, sun, water, heat, freeze, fire and environmental pollution. The service life of the product is up to 30 years.
The sound absorption materials suitable for the sound barrier are divided into an aluminum fiber sound absorption plate and an aluminum foam sound absorption plate, and the sound absorption materials made of metal materials not only have good sound absorption performance, and the noise reduction coefficient of a cavity with the diameter of 50-100mm is about 0.60-0.80, but also have excellent physical and mechanical properties, stable material performance, little change after long-term use, but higher cost. The sound absorption ceramic plate is a rigid ultramicropore ceramic material, the porosity of the sound absorption ceramic plate is more than 60%, the sound absorption ceramic plate has very good sound absorption performance, and the three-dimensional through mesh structure material has the characteristics of high porosity, good weather resistance, good water resistance, corrosion resistance, non-combustibility, durability, stable performance and the like, and is particularly suitable for noise reduction of roads, railways, urban elevated railways, light rail traffic, factory fence walls and the like.
The existing road sound barrier uses a sound insulation plate or a sound absorption plate independently, and cannot perform frequency division treatment on noise with different frequencies; the sound insulation board and the sound absorption board are also overlapped for use, so that better sound absorption and sound insulation effects are achieved; however, the composite sound barrier is assembled in a simple overlapping mode, multiple times of assembly are required after respective forming, alignment, gluing and pressure bonding are required in the assembly process, the workload is large, and the stability of the assembled composite sound barrier is poor. Moreover, most of the integrally formed sound barriers are large in size and need to be manufactured or hoisted on a construction site, and the influence on the established road traffic is large.
SUMMERY OF THE UTILITY MODEL
Based on the above problems, the utility model provides a combined ultra-high strength concrete-microporous ceramic composite sound barrier, which has both sound insulation performance and sound absorption performance, and can realize frequency division treatment of noise with different frequencies; the ultra-high-strength concrete and the microporous ceramic sound absorption plate adopt an integrated forming production process, and the two materials form a unified whole with sound absorption and insulation functions without secondary assembly and matching, so that the stability is good; the large-scale mechanical hoisting equipment is not needed during installation and construction, the cost is saved, the efficiency is improved, meanwhile, the built road sound barrier can be quickly installed, and the influence on traffic traveling is small.
In order to solve the technical problem, the utility model provides a combined ultra-high strength concrete-microporous ceramic composite sound barrier, which comprises concrete foundations arranged at both sides of a road and along the extending direction of the road, and a plurality of upright columns which are vertically arranged on the concrete foundation at each side at intervals, wherein a sound barrier is arranged between two adjacent upright columns on the concrete foundation at each side, and the sound barrier is mainly formed by arranging a plurality of sound absorption and insulation unit plates; the sound absorption and insulation unit plate comprises a back plate and a microporous ceramic sound absorption plate arranged on the surface of one side of the back plate facing the road driving surface, the aperture of the microporous ceramic sound absorption plate is gradually reduced from one side close to the back plate to one side close to the road forming surface, and the back plate is made of ultra-high-strength concrete.
Furthermore, the length of the sound absorption and insulation unit plate along the extending direction of the road comprises at least two dimensions, and the distance between two adjacent upright posts on the concrete foundation of each side is equal to the common multiple of the length dimension of the sound absorption and insulation unit plate.
Furthermore, every two adjacent sound absorption and insulation unit plates are connected with each other through a first clamping groove and a first clamping groove along two side faces of the road extending direction.
Furthermore, a first clamping groove and a first clamping head are arranged along the vertical side face of the sound absorption and insulation unit plate, and a clamping head and a clamping groove which are matched with the first clamping head and the first clamping groove are respectively arranged on two side faces of the upright post along the extending direction of the road.
Furthermore, each sound absorption and insulation unit plate is provided with a second clamping head on the bottom surface, each sound absorption and insulation unit plate is provided with a second clamping groove matched with the second clamping head on the top surface, and every two adjacent sound absorption and insulation unit plates are clamped with the second clamping grooves through the second clamping heads and the second clamping grooves in the vertical direction of the road.
Furthermore, a concrete coping is arranged at the top of the sound barrier, and a clamping head matched with the second clamping groove is arranged at the bottom surface of the concrete coping; and a clamping groove matched with the second clamping head is formed in the top surface of the concrete foundation.
Furthermore, a cavity is arranged in the microporous ceramic sound absorption plate.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model adopts the ultra-high strength concrete-microporous ceramic composite sound barrier, the sound absorption and insulation unit plate has sound insulation performance and sound absorption performance, and the aperture of the microporous ceramic sound absorption plate is gradually reduced from one side close to the back plate to one side close to the road forming surface, thereby realizing the frequency division treatment of noise with different frequencies; the ultra-high-strength concrete and the microporous ceramic sound absorption plate adopt an integrated forming production process, and the two materials form a unified whole with sound absorption and insulation functions without secondary assembly and matching, so that the stability is good; and large-scale mechanical hoisting equipment is not needed during installation and construction, so that the cost is saved, the efficiency is improved, meanwhile, the built road sound barrier can be quickly installed, and the influence on traffic traveling is small.
Drawings
FIG. 1 is a side view of the combined ultra-high strength concrete-microporous ceramic composite sound barrier of the embodiment;
FIG. 2 is a schematic structural view of section A-A of FIG. 1;
FIG. 3 is a schematic structural view of section B-B of FIG. 1;
FIG. 4 is a schematic structural view of a sound insulating and absorbing unit panel of the embodiment taken along a horizontal plane;
FIG. 5 is a schematic structural view of one sound insulating and absorbing unit plate of the embodiment taken along a vertical plane;
wherein: 1. a concrete foundation; 2. a column; 3. a sound absorption and insulation unit plate; 4. a back plate; 5. a microporous ceramic sound absorbing panel; 6. a first chuck; 7. a first card slot; 8. a second chuck; 9. a second card slot; 10. pressing the concrete; 11. a cavity.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Example (b):
referring to fig. 1-4, the combined type ultra-high strength concrete-microporous ceramic composite sound barrier comprises concrete foundations 1 which are arranged on two sides of a road and extend along the road, and a plurality of upright posts 2 which are vertically arranged on the concrete foundation 1 on each side at intervals, wherein a sound barrier is arranged between two adjacent upright posts 2 on the concrete foundation 1 on each side, and the sound barrier is mainly formed by arranging a plurality of sound absorption and insulation unit plates 3; the sound absorption and insulation unit plate 3 comprises a back plate 4 and a microporous ceramic sound absorption plate 5 arranged on the surface of one side of the back plate 4 facing the road driving surface, the aperture of the microporous ceramic sound absorption plate 5 is gradually reduced from one side close to the back plate 4 to one side close to the road forming surface, and the back plate 4 is made of ultra-high-strength concrete.
In the embodiment, the concrete foundations 1 on two sides of the road are manufactured in a cast-in-place or prefabricated mode, the installation grooves for installing the stand columns 2 are reserved before molding, and the stand columns 2 are installed in the installation grooves, so that the stand columns 2 can be installed quickly; a plurality of sound absorption and insulation unit plates 3 are arranged between the upright posts 2 on the same-side concrete foundation 1 and arranged in a multilayer mode, and one side with the microporous ceramic sound absorption plate 5 faces to the road driving surface in the installation process. When a vehicle passes through the middle of the road, the noise transmitted to the microporous ceramic sound-absorbing plates 5 at the two sides is absorbed or reflected for multiple times in the micropores of the microporous ceramic, the vibration energy is gradually weakened, the purposes of sound absorption and noise reduction are achieved, the aperture of the microporous ceramic sound-absorbing plates 5 is gradually reduced from one side close to the back plate 4 to one side close to the road forming surface, and the frequency division treatment of the noise with different frequencies can be realized; the noise transferred out of the microporous ceramic plate is blocked on the back plate 4 made of the ultra-high-strength concrete, and the sound insulation and noise reduction effects are achieved. The utility model discloses a inhale sound insulation cell board 3 and have sound insulation performance and sound absorption performance simultaneously, super high strength concrete backplate 4 adopts the integrated into one piece's production technology with micropore ceramic acoustic baffle 5, and two kinds of materials need not secondary equipment cooperation and form the unified whole that has the sound insulation function of inhaling, and stability is better; and large-scale mechanical hoisting equipment is not needed during installation and construction, so that the cost is saved, the efficiency is improved, meanwhile, the built road sound barrier can be quickly installed, and the influence on traffic traveling is small.
In order to ensure the stable structure in engineering, the longitudinally adjacent sound absorption and insulation unit plates 3 need to be subjected to staggered joint butt joint, if the sound absorption and insulation unit plates 3 only adopt one length specification, the sound absorption and insulation unit plates 3 need to be cut, and the operation is complicated; inhale sound insulation cell board 3 and include two kinds of at least size specifications along road extending direction's length, the interval between two adjacent stands 2 on every side concrete foundation 1 equals to inhale 3 length dimensions's of sound insulation cell board common multiple, can satisfy the butt joint face nature fissure of butt joint of inhaling sound insulation cell board 3 between the double-phase adjacent layer, need not to carry out the secondary cutting, and convenient construction, installation rate is fast.
Every inhale sound insulation cell board 3 and be provided with assorted first dop 6 and first draw-in groove 7 respectively on two sides along road extending direction, every two adjacent inhale sound insulation cell board 3 and pass through first draw-in groove 7 and first dop 6 joint along two sides of road extending direction. The sound absorption and insulation unit plates 3 are arranged between the upright posts 2 on the concrete foundation 1 on the same side and are sequentially clamped through first clamping heads 6 of first clamping grooves 7; the first clamping groove 7 and the first clamping head 6 are arranged along the vertical side faces of the sound absorption and insulation unit plate 3 pair, so that the transverse gap between two adjacent composite sound barriers can be reduced, and the sound absorption and insulation effect of the combined type ultrahigh-strength concrete-microporous ceramic composite sound barrier is further ensured. The vertical column 2 is provided with the clamping head and the clamping groove which are matched with the first clamping head 6 and the first clamping groove 7 respectively along two sides of the road extending direction, so that the sound absorption and insulation unit plate 3 can be positioned quickly, the sound absorption and insulation unit plate 3 which is in contact with the vertical column 2 can be installed quickly, and the overall stability of the combined type ultrahigh-strength concrete-microporous ceramic composite sound barrier can be guaranteed.
Referring to fig. 1 and 5, each sound absorption and insulation unit plate 3 is provided with a second clamping head 8 on the bottom surface, each sound absorption and insulation unit plate 3 is provided with a second clamping groove 9 matched with the second clamping head 8 on the top surface, and every two adjacent sound absorption and insulation unit plates 3 are clamped and connected through the second clamping heads 8 and the second clamping grooves 9 in the vertical direction of a road. The adjacent sound absorption and insulation unit plates 3 in the vertical direction can be clamped and connected with the second clamping head 8 through the second clamping groove 9, and the sound absorption and insulation unit plates 3 can be conveniently and rapidly stacked and installed in the vertical direction.
The top of the sound barrier is provided with a concrete coping 10, and the bottom surface of the concrete coping 10 is provided with a clamping head matched with the second clamping groove 9; the top surface of concrete foundation 1 is provided with 8 assorted draw-in grooves of second dop, and a plurality of 3 joints of sound insulation cell board that inhale that the combination was assembled are in the concrete foundation 1, the concrete is pressed and is pushed up 10 and two adjacent stand 2 rectangular structures that enclose, simple to operate, and overall structure is comparatively stable, and concrete is pressed and is pushed up 10 simultaneously and can also prevent to inhale 3 tops of sound insulation cell board and directly accept the rainwater and erode, plays certain guard action to sound insulation cell board 3. In the embodiment, any two contact surfaces of the sound absorption and insulation unit plate 3, the upright post 2, the concrete foundation 1 and the concrete coping 10 are cemented by mortar or cement paste, so that the construction speed is high, and the overall stability of the combined ultra-high-strength concrete-microporous ceramic composite sound barrier can be further ensured.
Referring to fig. 4 or 5, a cavity 11 is formed in each microporous ceramic sound absorption plate 5, noise is reflected in the cavity 11 for multiple times, and a part of vibration energy is absorbed by the wall of the cavity 11 to be attenuated, so that the sound absorption effect is further improved.
The embodiment of the present invention is the above. The specific parameters in the above embodiments and examples are only for the purpose of clearly showing the verification process of the present invention, and are not used to limit the protection scope of the present invention, which is still subject to the claims, and all the equivalent structural changes made by using the contents of the specification and drawings of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The combined type ultrahigh-strength concrete-microporous ceramic composite sound barrier is characterized in that: the sound barrier is characterized by comprising concrete foundations (1) which are arranged on two sides of a road and extend along the road, and a plurality of upright posts (2) which are vertically arranged on the concrete foundation (1) on each side at intervals, wherein a sound barrier is arranged between two adjacent upright posts (2) on the concrete foundation (1) on each side, and the sound barrier is mainly formed by arranging a plurality of sound absorption and insulation unit plates (3); inhale sound insulation cell board (3) including backplate (4) and set up in towards the road driving face micropore ceramic acoustic baffle (5) on the surface of backplate (4) one side, the aperture of micropore ceramic acoustic baffle (5) is reduced gradually by being close to backplate (4) one side to being close to road formation face one side, backplate (4) are made by super high strength concrete.
2. The combined ultra-high strength concrete-microporous ceramic composite sound barrier of claim 1, wherein: the length of the sound absorption and insulation unit plate (3) along the extending direction of the road comprises at least two dimensions, and the distance between two adjacent upright posts (2) on the concrete foundation (1) on each side is equal to the common multiple of the length dimension of the sound absorption and insulation unit plate (3).
3. The combined ultra-high strength concrete-microporous ceramic composite sound barrier of claim 1, wherein: every inhale sound insulation cell board (3) and be provided with first dop (6) of assorted and first draw-in groove (7) respectively on two sides along road extending direction, every two adjacent inhale sound insulation cell board (3) and pass through first draw-in groove (7) and first dop (6) joint along two sides of road extending direction.
4. The combined ultra-high strength concrete-microporous ceramic composite sound barrier of claim 3, wherein: first draw-in groove (7) with first dop (6) are along inhaling the vertical side setting of sound insulation cell board (3), be provided with dop and draw-in groove with first dop (6) and first draw-in groove (7) assorted on two sides of road extending direction respectively in stand (2).
5. The combined ultra-high strength concrete-microporous ceramic composite sound barrier of claim 1, wherein: every inhale sound insulation cell board (3) and be provided with second dop (8) in the bottom surface, every inhale sound insulation cell board (3) be provided with on the top surface with second dop (8) assorted second draw-in groove (9), every two adjacent sound insulation cell boards (3) of inhaling pass through second dop (8) and second draw-in groove (9) joint along the vertical direction of road.
6. The combined ultra-high strength concrete-microporous ceramic composite sound barrier of claim 5, wherein: the top of the sound barrier is provided with a concrete coping (10), and the bottom surface of the concrete coping (10) is provided with a clamping head matched with the second clamping groove (9); and a clamping groove matched with the second clamping head (8) is formed in the top surface of the concrete foundation (1).
7. The combined ultra-high strength concrete-microporous ceramic composite sound barrier of claim 1, wherein: a cavity (11) is arranged in the microporous ceramic sound absorption plate (5).
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| CN201920728361.6U CN210597074U (en) | 2019-05-20 | 2019-05-20 | Combined ultra-high strength concrete-micropore ceramic composite sound barrier |
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| CN201920728361.6U CN210597074U (en) | 2019-05-20 | 2019-05-20 | Combined ultra-high strength concrete-micropore ceramic composite sound barrier |
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| CN110172931A (en) * | 2019-05-20 | 2019-08-27 | 成都中弘轨道交通环保产业股份有限公司 | Combined type super high strength concrete-micropore ceramics compound sound barrier and its manufacturing method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110172931A (en) * | 2019-05-20 | 2019-08-27 | 成都中弘轨道交通环保产业股份有限公司 | Combined type super high strength concrete-micropore ceramics compound sound barrier and its manufacturing method |
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