KR200437359Y1 - Sound-absorbing plate for highway noise barrier - Google Patents
Sound-absorbing plate for highway noise barrier Download PDFInfo
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- KR200437359Y1 KR200437359Y1 KR2020070000712U KR20070000712U KR200437359Y1 KR 200437359 Y1 KR200437359 Y1 KR 200437359Y1 KR 2020070000712 U KR2020070000712 U KR 2020070000712U KR 20070000712 U KR20070000712 U KR 20070000712U KR 200437359 Y1 KR200437359 Y1 KR 200437359Y1
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- 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
- E01F8/0047—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement with open cavities, e.g. for covering sunken roads
- E01F8/0076—Cellular, e.g. as wall facing
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- 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
- E01F8/0047—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement with open cavities, e.g. for covering sunken roads
- E01F8/0076—Cellular, e.g. as wall facing
- E01F8/0082—Cellular, e.g. as wall facing with damping material
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B1/84—Sound-absorbing elements
- E04B1/8404—Sound-absorbing elements block-shaped
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B1/84—Sound-absorbing elements
- E04B2001/8414—Sound-absorbing elements with non-planar face, e.g. curved, egg-crate shaped
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B1/84—Sound-absorbing elements
- E04B2001/8423—Tray or frame type panels or blocks, with or without acoustical filling
- E04B2001/8433—Tray or frame type panels or blocks, with or without acoustical filling with holes in their face
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
본 고안은 내부 챔버를 갖는 팔각기둥이 돌출되게 형성되어 있는 플라스틱재 전면판과 역시 내부 챔버를 갖는 팔각기둥이 돌출되게 형성되어 있는 플라스틱재 후면판이 조립되어 있는 구조로 되어 있되 상기 팔각기둥이 돌출되어 있는 방향으로 서로 끼워맞추어져 허니컴 구조를 이루는 형태로 조립되어 있고, 상기 팔각기둥의 내부 챔버에는 흡음 충진재로 채워진 충진컵이 부직포에 덮혀진 상태로 내장되어 있는 도로 방음벽용 흡음판을 제공하기 위한 것이다. The present invention has a structure in which the plastic front plate is formed to protrude an octagonal pillar having an inner chamber and the plastic back plate is formed to protrude an octagonal pillar having an inner chamber, but the octagonal pillar protrudes. Assembled in the form of a honeycomb structure is fitted to each other in the direction, and the inner chamber of the octagonal pillar is to provide a sound absorbing plate for the road soundproof wall is filled in a state in which the filling cup filled with a sound-absorbing filler is covered in a nonwoven fabric.
도로, 방음벽, 흡음판, 허니컴, 팔각기둥, 차음 Road, Soundproof Wall, Sound Absorbing Plate, Honeycomb, Octagon, Sound Insulation
Description
도 1은 본 고안에 따른 도로 방음벽용 흡음판의 기본부품을 구성하는 팔각기둥이 돌출되어 있는 플라스틱 전면판과 후면판이 서로 조립되어 있는 상태를 예시한 부분 절단 사시도이다.1 is a partial cutaway perspective view illustrating a state in which a plastic front plate and a back plate, which protrude octagonal pillars constituting a basic part of a sound absorbing plate for a road soundproof wall according to the present invention, are assembled with each other.
도 2는 도 1의 도로 방음벽용 흡음판의 I - I선 단면도이다. FIG. 2 is a cross-sectional view taken along line II of the sound absorbing plate for the road sound barrier of FIG. 1. FIG.
도 3은 도 2에서의 A부분의 확대 단면도이다.3 is an enlarged cross-sectional view of a portion A in FIG. 2.
< 도면의 주요 부분에 대한 부호의 설명 ><Description of Symbols for Main Parts of Drawings>
10 ---- 흡음판 11 ---- 플라스틱재 전면판10 ---- Sound
12 ---- 플라스틱재 후면판 13, 14 ---- 팔각기둥12 ----
15, 16 ---- 내부 챔버 17 ---- 충진재15, 16 ----
18 ---- 충진컵 19 ---- 부직포18 ---- Filling Cup 19 ---- Non-woven
본 발명은 도로 방음벽용 흡음재에 관한 것이다. 더욱 상세하게는, 한쪽면에 팔각기둥이 돌출되게 형성되어 있는 플라스틱 전면판과 후면판이 서로 허니컴 구조체 형태로 조립되어 있되 상기 팔각기둥의 내부 챔버에는 흡음 충진재로 채워진 충 진컵이 부직포에 덮혀진 상태로 내장되어 있는 구조로 이루어진 견고하면서도 가벼운 도로 방음벽용 흡음판에 관한 것이다.The present invention relates to a sound absorbing material for road sound barriers. More specifically, the plastic front plate and the back plate, which are formed to protrude octagonal pillars on one side, are assembled to each other in the form of a honeycomb structure, but the filling cup filled with the sound absorbing filler in the inner chamber of the octagonal pillar is covered with the nonwoven fabric. The present invention relates to a sound absorbing plate for a soundproof wall, which is durable and lightweight, having a built-in structure.
산업발달에 따른 교통수단의 다양화 및 교통량의 증가와 함께 사회기반시설(도로, 철도, 공항)의 확충에 따라 도로 주변, 공항 주변, 철도 주변, 학교 주변, 아파트 주변 등에 거주하는 사람들은 각종 차량들의 소음으로 큰 고통을 받고 있으며, 이것은 현대 생활을 살아가는 도시민에 있어 가장 큰 고충 거리 중에 하나이며, 급기야 각종 민원의 한 요인이 되고 있는 실정이다.With the diversification of transportation and the increase of traffic volume due to industrial development, and the expansion of social infrastructure (roads, railways, airports), people living near roads, airports, railways, schools, apartments, etc. It is suffering greatly from the noise of the people, and this is one of the biggest grievances for urban residents living in modern life, and it is becoming a factor of various complaints.
따라서, 선진각국들은 물론 여러나라에서 도로 등의 사회 기반시설을 설계할 때에 거주 지역이나 특정지역에서 일정한도 이하의 소음 기준을 제시하고 있으며, 우리나라에서도 환경관련부처에서 이러한 기준을 마련해 놓고 있다.Therefore, when designing social infrastructure such as roads in many countries as well as developed countries, noise standards of less than a certain level are proposed in residential or specific areas, and in Korea, such standards are provided by environmental ministries.
종래에 주로 사용하고 있는 방음벽은 주로 알루미늄 패널을 사용하며 일정한 간격으로 구멍을 형성하거나 유리섬유나 석면 등과 같은 흡음재를 채워 넣은 경우가 대부분이었다. 그러나, 이러한 방음벽은 알루미늄이 금속성 재료로서 자연과 부조화를 이루거나 경직감을 줄 수 있고, 내부에 채워지는 흡음재가 발암물질인 경우가 많아 인체에 유해한 단점을 갖고 있었다.The conventional soundproof walls are mainly made of aluminum panels, and in most cases, holes are formed at regular intervals or filled with sound absorbing materials such as fiberglass or asbestos. However, this soundproof wall has a disadvantage that aluminum is incompatible with nature or give rigidity as a metallic material, and the sound absorbing material filled inside is often a carcinogen, which is harmful to the human body.
이러한 단점을 개선하기 위하여 다공질의 경량 콘크리트 패널로 방음벽을 세우는 경우가 많이 있었으나, 이 역시 친환경적이라고 할 수 없고 재활용도 불가능하며, 방음 및 흡음효과가 오히려 떨어지는 문제가 있었다. In order to improve these disadvantages, there were many cases in which soundproof walls were erected with a lightweight lightweight concrete panel, but this also could not be said to be environmentally friendly and impossible to recycle.
다른 한편으로 기공력이 우수하고, 소음감소효과와 동시에 인체에 무해하고 재활용이 가능한 방음벽용 흡음재로서 고무분말, 폐타이어 섬유질, 왕겨, 폐목재 분말, 안료, 폴리우레탄바인더 등을 혼합한 재료를 이용하여 성형하거나 반투명 플라스틱판을 작은 조각으로 내어 플레임으로 보강하는 방식으로 방음벽을 사용하고 있으나, 이는 제조비용이 많이 들고, 강도가 약하며, 상대적으로 공기층이 부족하여 차음효과를 더욱 크게 저하시키는 문제가 있었다. On the other hand, it is a sound absorbing material for soundproof walls that has excellent pore force, noise reduction effect, and is harmless to the human body and is recyclable. It is made of materials mixed with rubber powder, waste tire fiber, rice husk, waste wood powder, pigment, polyurethane binder, etc. The soundproof walls are used by molding them or by reinforcing the flame by cutting out the translucent plastic sheet into small pieces, but this has a problem in that the manufacturing cost is high, the strength is weak, and the air layer is relatively lacked, which further reduces the sound insulation effect. .
또한, 최근에는 다양한 형태의 흡음구멍이 형성된 전면판과 일정형상으로 절곡된 후면판 사이에 흡음부재를 내장하여 조립함으로써 주변의 소음을 흡음하여 방음효과를 가지도록 하고 있으나, 강도를 유지하기 위하여 알루미늄판이나 철판으로 이루어진 박판을 사용하고 있으므로 중량이 무거워 다루기가 어렵고, 녹 방지를 위한 도장을 별도로 해야 하며, 제조원가도 높아지는 문제가 있었다. In addition, in recent years, the sound absorbing member is incorporated between the front plate formed with various types of sound absorbing holes and the back plate bent in a predetermined shape to absorb sound from the surroundings and to have soundproofing effect. Since a thin plate made of a plate or an iron plate is used, it is difficult to handle because of heavy weight, and a separate coating for rust prevention is required, and manufacturing costs are also increased.
이에 따라 최근에는 허니컴 구조체를 이용한 방음벽용 흡음재의 개발이 이루어지고 있는 바, 예를 들면 한국공개특허공보 제1999-0048317호에 의하면, 허니컴 형상 격자에 의해 형성된 흡음챔버가 구비된 제1벽체와 제2벽체를 챔버가 서로 연통되게 서로 엇갈리게 맞붙혀서 만든 흡음형 방음벽을 소개하고 있으나, 격자가 엇갈리게 맞붙히게 조립하는 과정이 어렵고, 챔버에 의한 내부 공간이 지나치게 넓어 견고성이 떨어지는 문제가 있다. 또한, 등록실용신안공보 제20-0384324호에 의하면, 벌집형상의 함몰 팔각홀을 갖는 방음부재를 소개하면서 방음벽의 흡음성능을 증가시키고 흡음특성을 조절할 수 있다고 하였으나, 실질적으로 흡음특성을 조절하는 것이 어렵고 팔각홀이 외부로 노출되어 있어 부분적인 파손시 흡음효과가 급격히 떨어지게 되는 문제가 있다. 이와 유사한 기술로 등록실용싱안공보 제20-0384324호가 있으나, 이역시 팔각콘 모양의 흡음판이 외부로 노출되어 있어 마찬 가지의 문제점을 안고 있다.Accordingly, in recent years, sound absorbing materials for soundproof walls using honeycomb structures have been developed. For example, according to Korean Patent Laid-Open Publication No. 1999-0048317, a first wall and a sound absorbing chamber formed by a honeycomb lattice are provided. Introducing a sound-absorbing soundproof wall made by joining the two walls alternately with each other so that the chambers are in communication with each other, but the process of assembling the grids staggered together is difficult, and there is a problem that the internal space by the chamber is too wide and the rigidity is inferior. In addition, according to Registered Utility Model Publication No. 20-0384324, while introducing a soundproof member having a honeycomb-shaped recessed octagonal hole, the sound absorbing performance of the soundproof wall can be increased and the sound absorbing characteristics can be adjusted. Difficult and the octagonal hole is exposed to the outside, there is a problem that the sound absorbing effect is dropped sharply in case of partial breakage. Similarly, there is a Utility Model Registration No. 20-0384324, but the octagonal cone-shaped sound absorbing plate is exposed to the outside has the same problems.
이에 본 고안은 종래의 문제점을 개선시키기 위한 것으로 내부 챔버를 갖는 팔각기둥이 돌출되게 형성되어 있는 플라스틱재 전면판과 역시 내부 챔버를 갖는 팔각기둥이 돌출되게 형성되어 있는 플라스틱재 후면판이 조립되어 있는 구조로 되어 있되 상기 팔각기둥이 돌출되어 있는 방향으로 서로 끼워맞추어져 허니컴 구조를 이루는 형태로 조립되어 있고, 상기 팔각기둥의 내부 챔버에는 흡음 충진재로 채워진 충진컵이 부직포에 덮혀진 상태로 내장되어 있는 도로 방음벽용 흡음판을 제공하는 것을 그 목적으로 한다. Accordingly, the present invention is to improve the conventional problems, a structure in which a plastic material front plate having an inner chamber having an inner chamber is formed to protrude and a plastic material rear plate having an inner chamber having an inner chamber protruding therefrom are assembled. The octagonal pillar is assembled to form a honeycomb structure by fitting with each other in a direction in which the octagonal pillar protrudes, and a filling cup filled with a sound absorbing filler is embedded in the inner chamber of the octagonal pillar covered with a nonwoven fabric. It is an object of the present invention to provide a sound absorbing plate for soundproof walls.
본 고안의 도로 방음벽용 흡음판은 팔각기둥이 돌출되어 있는 방향으로 서로 끼워져서 허니컴 형태로 조립되어 있으므로 구조적으로 견고하고, 플라스틱재로 제작할 수 있어 중량이 가벼울뿐 아니라 내부 챔버에 흡음 충진재가 채워져 있으므로 허니컴 구조체 자체가 갖는 흡음효과를 배가시킬 수 있는 도로 방음벽용 흡음판을 제공하는데 그 목적이 있는 것이다. The sound absorbing plates for the road soundproof wall of the present invention are structurally strong and are made of honeycomb because they are fitted together in the direction in which the octagonal pillars protrude, and can be made of plastic, so that the weight is light and the sound absorbing filler is filled in the inner chamber. It is an object of the present invention to provide a sound absorbing plate for road soundproof walls that can double the sound absorbing effect of the structure itself.
상기와 같은 목적을 달성하기 위한 본 고안의 도로 방음벽용 흡음판은 내부챔버를 갖는 팔각기둥이 복수개가 돌출되게 형성되어 있는 플라스틱재의 전면판과 역시 내부 챔버를 갖는 허니컴의 팔각기둥이 복수개가 돌출되게 형성되어 있는 플라스틱재의 후면판이 상기 팔각기둥들 사이로 서로 끼워맞추어져서 허니컴 형태로 조립되어 있고, 상기 허니컴형의 팔각기둥의 내부 챔버에는 흡음 충진재가 채워진 충진컵이 부직포에 덮혀진 상태로 내장되어 있는 것을 특징으로 한다. Sound absorbing plate for a road soundproof wall of the present invention for achieving the above object is formed so that a plurality of octagonal pillars of honeycomb having an inner chamber and a front plate of a plastic material is formed so that a plurality of octagonal pillars having an inner chamber protrudes. The back plate of the plastic material is fitted to each other between the octagonal pillars are assembled in a honeycomb shape, and the filling cup filled with a sound absorbing filler is embedded in the inner chamber of the honeycomb octagonal pillar covered with a nonwoven fabric. It is done.
이와 같은 본 고안을 첨부한 도면에 의거하여 더욱 상세하게 설명하면 다음과 같다. 하기에서 본 고안을 설명함에 있어 관련된 공지 기능 또는 구성에 대한 구체적인 설명이 본 고안의 요지를 불필요하게 흐릴 수 있다고 판단되는 경우에는 그 상세한 설명을 생략할 것이다. 그리고 후술하는 용어들은 본 고안에서의 기능을 고려하여 정의된 용어들로서, 이는 사용자, 운용자의 의도 또는 관례 등에 따라 달라질 수 있으며, 이에 따라 각 용어의 의미는 본 명세서 전반에 걸친 내용을 토대로 해석되어야 할 것이다. Referring to the present invention as described in more detail based on the accompanying drawings as follows. In the following description of the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted. In addition, terms to be described below are terms defined in consideration of functions in the present invention, which may vary according to intentions or customs of users or operators, and accordingly, the meaning of each term should be interpreted based on the contents throughout the present specification. will be.
첨부 도면 중 도 1은 본 고안에 따른 도로 방음벽용 흡음판의 사시도로서, 상기 흡음판의 기본부품을 구성하는 팔각기둥이 돌출되어 있는 플라스틱재 전면판과 동일한 구조의 플라스틱재 후면판이 서로 조립되어 있는 상태를 예시한 도면이고, 도 2는 도 1에서의 I - I선 단면도이며, 도 3은 도 2에서의 A부분을 확대하여 도시한 것이다.1 is a perspective view of a sound absorbing plate for a road soundproof wall according to the present invention, in which a plastic back plate having the same structure as the plastic front plate protruding the octagonal pillar constituting the basic part of the sound absorbing plate is assembled to each other; 2 is a cross-sectional view taken along line II of FIG. 1, and FIG. 3 is an enlarged view of portion A of FIG. 2.
본 고안의 도로 방음벽용 흡음판은 도 1에 도시한 바와 같이 플라스틱재 전면판(11), 플라스틱재 후면판(12)이 조립되어 있는 구조로 이루어져 있으며, 상기 플라스틱 전면판(11)에는 한쪽면은 팔각형 모양의 함몰부위가 형성되어 있고, 다른쪽 면에는 내부 챔버를 갖는 팔각기둥(13)이 복수개가 돌출되어 있으며, 상기 플라스틱 후면판(12)도 구조적으로는 동일하나 팔각기둥(14)의 배치는 상기 팔각기둥(13)과 서로 조립될 때 허니컴 형태를 이룰 수 있도록 형성되어 있다.The sound absorbing plate for the road soundproof wall of the present invention has a structure in which the plastic
상기 플라스틱재 전면판(11)과 플라스틱재 후면판(12)은 상기 팔각기 둥(13,14)이 돌출되어 있는 방향으로 공간의 형성없이 서로 끼워맞추어지는 형태로 조립되어 있으며, 도 1에서와 같이 각각의 플라스틱재 전면판(11)과 플라스틱재 후면판(12)의 표면에서 보면 복수의 팔각기둥들이 허니컴 형태를 이루게 된다. The plastic
상기 팔각기둥(13,14)들의 함몰부위에 해당하는 내부 챔버(15,16)에는 도 2와 3에서와 같이 흡음 충진재(17)가 채워진 충진컵(18)이 부직포(19)에 덮혀진 상태로 내장되어 있다. 예컨대, 충진컵(18)은 진공성형 또는 사출성형의 방법으로 제작된 것이며, 상기 팔각기둥(13,14)의 내부 챔버에 삽입될 수 있는 구조로 형성되어 있고, 충진컵(18)의 안쪽 하부에는 흡음 충진재(17)가 채워져 있으며, 상기 흡음 충진재(17)의 표면에는 부직포(19)가 덮혀져 있는 형태이다. In the
보통 흡음 충진재로는 펄라이트, 질석 등의 무기질이나 부직포 뭉치를 사용한다. As a sound absorption filler, a bundle of mineral or nonwoven fabrics such as pearlite and vermiculite is used.
이상에서 본 고안의 바람직한 구현 예를 한정하여 설명하였으나, 본 고안은 이에 한정되지 않고, 다양한 변화와 변경 및 균등물을 사용할 수 있다. 따라서, 본 고안은 상기 구현예를 적절히 변형하여 응용할 수 있고, 이러한 응용도 하기 실용신안등록청구범위에 기재된 기술적 사상을 바탕으로 하는 한 본 고안의 권리범위에 속하게 됨은 당연하다 할 것이다. The present invention has been described above by limiting the preferred embodiment of the present invention, but the present invention is not limited thereto, and various changes, modifications, and equivalents may be used. Therefore, the present invention can be applied by appropriately modifying the above embodiment, and such application will be within the scope of the right of the present invention as long as it is based on the technical idea described in the utility model registration claims below.
본 고안의 도로 방음벽용 흡음판은 플라스틱 전면판과 후면판의 한쪽면에 에 형성되어 있는 복수개의 팔각기둥들이 서로 돌출방향으로 끼워맞추어지는 형태로 조립되면서 허니컴 구조를 이루게 되므로 전체적으로 견고하고, 또 내후성이 양호 한 플라스틱재를 전면판과 후면판으로 사용함으로써 흡음판의 전체 중량을 줄일 수 있어 시공이 용이하고, 시공원가도 낮출 수 있으며, 디자인의 변경이나 미려하게 꾸밀 수 있는 효과가 있고, 팔각기둥의 함몰 부위에 흡음 재료를 채워넣으므로써 흡음 및 차음효과가 뛰어난 장점이 있다.The sound absorbing plate for the road soundproof wall of the present invention has a honeycomb structure as it is assembled in a form in which a plurality of octagonal pillars formed at one surface of the plastic front plate and the back plate are fitted in the protruding direction, and thus, overall solidity and weather resistance By using good plastic material as the front and back panels, the overall weight of the sound absorbing plate can be reduced, making it easy to install, and the city park can be lowered, and the design can be changed or decorated beautifully. Filling the sound-absorbing material into the site has the advantage of excellent sound absorption and sound insulation.
본 고안에서는 필요에 따라 흡음 충진재의 이탈을 방지하기 위하여 밀폐된 공간을 만들어 줄 수 있다. 예를 들어 부직포 위에 스프링이 달린 덮개를 덮어서 사용하든가 아니면 하니컴 구조체의 셀의 깊이를 줄이거나, 대신 그 셀의 기둥에 꼭 맞는 컵을 별도로 만들어서 끼울 수도 있다. In the present invention, it is possible to make a closed space in order to prevent the separation of the sound absorbing filler as needed. For example, you can use a spring-covered cover over a nonwoven fabric, reduce the depth of a cell in a honeycomb structure, or instead create a separate cup that fits into the pillar of the cell.
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| CN115771307A (en) * | 2022-12-29 | 2023-03-10 | 江苏科技大学 | Sound absorption and insulation structure based on powder energy absorption |
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| CN115771307A (en) * | 2022-12-29 | 2023-03-10 | 江苏科技大学 | Sound absorption and insulation structure based on powder energy absorption |
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