KR100596477B1 - Reinforcement structure of drain pipe for an apartment compley - Google Patents

Reinforcement structure of drain pipe for an apartment compley Download PDF

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Publication number
KR100596477B1
KR100596477B1 KR1020050124169A KR20050124169A KR100596477B1 KR 100596477 B1 KR100596477 B1 KR 100596477B1 KR 1020050124169 A KR1020050124169 A KR 1020050124169A KR 20050124169 A KR20050124169 A KR 20050124169A KR 100596477 B1 KR100596477 B1 KR 100596477B1
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South Korea
Prior art keywords
drain pipe
cover body
buoyancy
pipe
drainage pipe
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KR1020050124169A
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Korean (ko)
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박규석
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(주)단건축사사무소
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
    • F16L1/024—Laying or reclaiming pipes on land, e.g. above the ground
    • F16L1/06—Accessories therefor, e.g. anchors
    • F16L1/11—Accessories therefor, e.g. anchors for the detection or protection of pipes in the ground
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
    • F16L1/024—Laying or reclaiming pipes on land, e.g. above the ground
    • F16L1/028—Laying or reclaiming pipes on land, e.g. above the ground in the ground

Abstract

본 발명은 건축단지의 배수관 보강구조에 관한 것으로서 종래에는 배수관을 보강하기 위한 구조가 없어 장기간에 걸쳐 토사의 압력이나 부력이 작용하면 배수관에 그대로 작용되어 배수관의 표면에 균열이 발생되어 이를 통해 누수현상이 일어나 수질을 오염시키거나 지반침하를 일으키기 때문에 배수관을 수시로 보수하거나 교체하여야 하므로 많은 비용이 들어가는 문제점이 있다.The present invention relates to a drainage pipe reinforcement structure of a construction complex, conventionally there is no structure for reinforcing the drainage pipe, so if the pressure or buoyancy of the soil is applied over a long period of time it acts on the drainage pipe as it is cracked on the surface of the drainage pipe leak phenomenon This occurs because the water pollution or ground subsidence has to be repaired or replaced the drain pipe from time to time there is a problem that costs a lot.

따라서 본 발명은 건축단지에서 발생되는 물을 배수하기 위해 토사(100) 속에 매설하는 배수관(300)을 구성함에 있어서, 상기 배수관(300)을 수용할 수 있도록 배수관(300)의 외주면에 부력방지용 커버(400)를 설치하여 배수관(300)에 가해지는 토사의 압력이나 부력을 상기 커버(400)가 막아주도록 한 것으로 이러한 본 발명은 배수관(300)을 커버(400)로 감싸 장기간에 걸쳐 토사의 압력이나 부력이 작용하더라도 커버(400)가 이를 차단하여 배수관(300)에는 작용하지 않도록 하여 배수관(300)의 균열을 방지하므로서 누수현상을 예방할 수 있으므로 수시로 배수관을 보수하거나 교체할 필요가 없어 이에 소요되는 비용을 절감 할 수 있는 매우 유용한 발명이다.Therefore, in the present invention, when constructing a drain pipe 300 embedded in the earth and sand 100 to drain the water generated in the building complex, the buoyancy prevention cover on the outer peripheral surface of the drain pipe 300 to accommodate the drain pipe 300 By installing the 400 to prevent the cover 400 to prevent the pressure or buoyancy applied to the drain pipe 300, the present invention is to cover the drain pipe 300 with the cover 400, the pressure of the soil over a long period of time Even if buoyancy or buoyancy acts, the cover 400 blocks it so that it does not act on the drainage pipe 300, thereby preventing the leakage of the drainage pipe 300, thereby preventing leakage. Therefore, it is not necessary to repair or replace the drainage pipe at any time. It is a very useful invention that can save cost.

건축단지,토사,기초콘크리트,배수관,상/하측커버체,플랜지,체결공 Building complex, earth and sand, foundation concrete, drain pipe, upper / lower cover body, flange, fastener

Description

건축단지의 배수관 보강구조{Reinforcement structure of drain pipe for an apartment compley}Reinforcement structure of drain pipe for an apartment compley}

도 1 은 종래 설치된 배수관에 균열현상이 일어나는 상태를 보인 요부 사시도1 is a perspective view of a main part showing a state in which a crack occurs in a conventionally installed drain pipe

도 2 는 본 발명에 따른 배수관 보강구조를 예시한 요부 분리사시도 Figure 2 is an exploded perspective view showing the main portion of the drain pipe reinforcement structure according to the present invention

도 3 은 본 발명에 따라 배수관이 커버에 의해 감싸져 설치된 상태를 예시한 요부사시도Figure 3 is a main portion perspective view illustrating a state in which the drain pipe is wrapped by the cover installed in accordance with the present invention

도면의 주요부분에 대한 부호의 설명Explanation of symbols for main parts of the drawings

100 : 토사 200 : 기초콘크리트100: earth and sand 200: basic concrete

300 : 배수관 400 : 커버300: drain pipe 400: cover

410,420 : 상/하측커버체 411,421 : 플랜지410,420: Upper / Lower Cover Body 411,421: Flange

412,422 : 체결공412,422: Fastener

본 발명은 건축단지의 배수관 보강구조에 관한 것으로서 더욱 상세히는 배수 관을 별도의 커버로 감싸 보호하므로서 장기간에 걸쳐 토사의 압력이나 부력이 작용하더라도 이를 커버가 차단하여 상쇄시키고, 배수관에는 압력이나 부력이 작용하지 않도록 하여 배수관에 생기는 균열을 방지하여 누수현상을 막을수 있으므로 수시로 배수관을 보수하거나 교체할 필요가 없어 이에 소요되는 비용을 절감할 수 있는 건축단지의 배수관 보강구조에 관한 것이다.The present invention relates to a drainage pipe reinforcement structure of a building complex, and in more detail, by covering and protecting the drainage pipe with a separate cover, even if the pressure or buoyancy of soil is applied for a long time, the cover is blocked and offset. The present invention relates to a drainage pipe reinforcement structure of a building complex that can reduce the cost of the drainage pipe because it can prevent water leakage by preventing cracks in the drainage pipe so that it does not work.

일반적으로 배수로는 도로변이나 연립주택, 아파트단지 또는 건축단지등에 콘크리트나 합성수지로 이루어진 배수관을 길이방향으로 연속 조립되는 채로 매설 시공하여 배수로를 형성함과 더불어 고이는 물을 적절히 배수시켜 침수에 의한 피해를 방지하거나 농작물을 재배하는 경작지등지에 시공되어 물을 필요로 하는 경작지로 물길을 형성하는 등 여러가지의 용도로 사용된다.In general, the drainage channel is constructed by laying the drain pipe made of concrete or synthetic resin on the roadside, townhouse, apartment complex, or building complex continuously assembled in the longitudinal direction to form a drainage path, and Koi drains the water properly to prevent damage from flooding It is used in various fields, such as the construction of waterway into arable land that needs water by being installed in arable lands for growing crops.

상기의 배수로는 관체로 이루어진 배수관을 다수개 구비하여 이들을 연속 조립된 상태로 매설하여 시공하는데 종래의 배수관은 도 1 에서 도시한 바와같이 토사(10)속에 기초콘크리트(20)를 시공한후 그 위에 배수관(30)을 설치하는데 종래의 배수관(30)은 별도의 보강구조 없이 배수관(30)자체만을 설치하는 것이므로 장기간에 걸쳐 토사(10)의 압력이나 토사(10)에 함유되어 있는 수분의 부력작용에 의해서 배수관(30)표면에 균열이 발생되면서 누수현상이 발생된다.The drainage channel is provided with a plurality of drainage pipes made of tubular bodies and embedded them in a continuous assembled state. The conventional drainage pipe is constructed with the foundation concrete 20 in the earth and sand 10 as shown in FIG. In order to install the drainage pipe 30, the conventional drainage pipe 30 is to install only the drainage pipe 30 itself without a separate reinforcing structure, so that the buoyancy action of the pressure of the soil sand 10 or the moisture contained in the soil sand 10 over a long period of time. As a result of the cracks generated on the surface of the drain pipe 30, water leakage occurs.

이처럼 누수된 물은 땅속깊이 스며들어 지하수를 오염시킴에 따라 심각한 수질오염을 발생시키고, 특히 배수관(30)이 설치된 토양이 연약지반일 경우에는 누수 등으로 지반이 침하되면서 배수관(30)이 함몰되는등의 문제점이 있으므로 누수현상이 발생될 때에는 신속하게 배수관을 보수하거나 교체하여야 하므로 많은 비용이 들어가게 되는 문제점이 있다.Such leaked water penetrates deep into the ground and contaminates groundwater, causing serious water pollution. In particular, when the soil in which the drainage pipe 30 is installed is a soft ground, the ground subsides due to leakage, etc. There is a problem that a lot of costs are required because the drain pipe should be repaired or replaced quickly when a leak occurs.

따라서 본 발명은 상기의 문제점을 해소하기 위한 것으로서 본 발명의 목적은 장기간에 걸친 토사의 압력과 부력작용에 의해서도 배수관에 균열이 발생되지 않아 누수현상이 없으므로서 수질을 오염시키거나 지반 침하가 발생되는 것을 방지하여 이에따른 배수관을 보수하거나 교체할 필요가 없어 이에 소요되는 비용을 절감 할 수 있도록 한 건축단지의 배수관 보강구조를 제공하기 위한 것이다.Therefore, the present invention is intended to solve the above problems, the object of the present invention is that the cracks do not occur in the drain pipe even by the pressure and buoyancy action of the soil over a long period of time without contaminating the water leakage or soil subsidence occurs It is to provide a drainage pipe reinforcement structure of the construction complex that prevents the need to repair or replace the drainage pipes, thereby reducing the cost.

이러한 본 발명은 배수관을 수용할 수 있도록 배수관의 외주면에 부력방지용 커버를 설치하되 상기 커버는 배수관의 외주면을 반분하여 덮어줄 수 있도록 반원형의 안착부가 구비된 상/하측 커버체로 분리하여 구성하고, 그 상/하측 커버체의 양단에는 다수의 체결공이 구비된 플랜지를 각각 형성하며, 상기 체결공에 결착되는 체결수단에 의해 상/하측 커버체의 조립상태가 고정되게 하므로서 달성된다.The present invention is to install a buoyancy prevention cover on the outer circumferential surface of the drain pipe to accommodate the drain pipe, the cover is configured by separating the upper / lower cover body provided with a semi-circular seating portion to cover half the outer circumferential surface of the drain pipe, Both ends of the upper and lower cover bodies are formed with flanges each having a plurality of fastening holes, and are achieved by fixing the assembled state of the upper and lower cover bodies by fastening means fastened to the fastening holes.

이와같은 본 발명은 배수관을 상측커버체와 하측커버체로 구성된 커버로 감싸므로서 장기간에 걸쳐 토사의 압력이나 부력이 작용하더라도 커버가 이를 모두 상쇄시켜 배수관에는 직접적으로 작용하지 않도록 하므로서 상기의 목적을 효과적으로 달성할 수 있는 것이다.The present invention wraps the drain pipe with a cover composed of an upper cover and a lower cover, so that even if the earth pressure or buoyancy is applied for a long time, the cover offsets all of them so that the drain pipe does not act directly on the drain pipe. It can be achieved.

이하 본 발명의 목적을 효과적으로 달성할 수 있는 바람직한 실시예를 첨부 된 도면에 의하여 상세히 설명하면 다음과 같다.Hereinafter, described in detail with reference to the accompanying drawings a preferred embodiment that can effectively achieve the object of the present invention.

도 2 는 본 발명에 따른 배수관 보강구조를 예시한 요부 분리사시도이고, 도 3 은 본 발명에 따라 배수관이 커버에 의해 감싸져 설치된 상태를 예시한 요부사시도로서 이러한 본 발명은 건축단지에서 발생되는 물을 배수하기 위해 토사(100) 속에 매설하는 배수관(300)을 구성함에 있어서, 상기 배수관(300)을 수용할 수 있도록 배수관(300)의 외주면에 부력방지용 커버(400)를 설치하여 배수관(300)에 가해지는 토사(100)의 압력을 상기 커버(400)가 막아주도록 한 것이다.Figure 2 is a separate part perspective view illustrating a drain pipe reinforcement structure according to the present invention, Figure 3 is a main part perspective view illustrating a state in which the drain pipe is installed by the cover in accordance with the present invention is such water generated in the construction complex In constructing the drain pipe 300 embedded in the earth and sand (100) to drain the water, the buoyancy prevention cover 400 is installed on the outer circumferential surface of the drain pipe (300) to accommodate the drain pipe (300) drain pipe (300) The cover 400 is to prevent the pressure of the soil 100 is applied to.

상기 커버(400)는 배수관(300)의 외주면을 반분하여 덮어줄 수 있도록 반원형의 안착부가 구비된 상측커버체(410)와 하측커버체(420)로 분리하여 구성하고, 그 상측커버체(410)와 하측커버체(420)의 양단에는 다수의 체결공(412)(422)이 구비된 플랜지(411)(421)를 각각 형성하며, 상기 체결공(412)(422)에 결착되는 체결수단에 의해 상측커버체(410)와 하측커버체(420)의 조립상태가 고정되게 한 것으로서 도면중 미설명 부호 (200)은 배수관을 받쳐주기 위한 기초 콘크리트이다.The cover 400 is configured by separating the upper cover body 410 and the lower cover body 420 provided with a semi-circular seating portion to cover the outer peripheral surface of the drain pipe 300 by half, the upper cover body 410 ) And flanges 411 and 421 having a plurality of fastening holes 412 and 422 respectively formed at both ends of the lower cover body 420, and fastening means fastened to the fastening holes 412 and 422. By the assembly state of the upper cover body 410 and the lower cover body 420 is fixed by reference numeral 200 in the drawing is a base concrete for supporting the drain pipe.

이와같이 구성된 본 발명은 물을 배수하기 위해 설치되는 배수관(300)의 강도를 보강하기 위해 배수관(300)의 외주면에 별도의 커버(400)로 배수관(300)을 감싸서 배수관(300)이 노출되지 않도록 하여 장기간이 지나더라도 배수관(300)이 토사(100)의 압력이나 부력에 의해서 표면에 균열이 일어나지 않도록 하여 누수현상을 효과적으로 방지 할 수 있도록 한 것이다.The present invention configured as described above wraps the drainage pipe 300 with a separate cover 400 on the outer circumferential surface of the drainage pipe 300 to reinforce the strength of the drainage pipe 300 installed to drain the water so that the drainage pipe 300 is not exposed. Therefore, even after a long time, the drain pipe 300 is to prevent the leakage phenomenon by effectively preventing cracks on the surface by the pressure or buoyancy of the earth and sand (100).

즉, 상기 커버(400)는 도 2에서 예시한 바와같이 반으로 분리하여 상측커버체(410)와 하측커버체(420)로 구분하여 구성한후 하측커버체(420)에 배수관(300)을 올려 놓은 상태에서 상측커버체(410)를 배수관(300)위로 덮어 배수관(300)이 상측커버체(410)와 하측커버체(420)로 감싸져 외주면이 노출되지 않도록 한다.That is, the cover 400 is divided into half as illustrated in FIG. 2 and divided into an upper cover body 410 and a lower cover body 420, and then the drain pipe 300 is placed on the lower cover body 420. The upper cover body 410 is covered with the drain pipe 300 in a placed state so that the drain pipe 300 is wrapped with the upper cover body 410 and the lower cover body 420 so that the outer circumferential surface thereof is not exposed.

그리고 상기 상측커버체(410)와 하측커버체(420)의 양측에는 각각 플랜지(411)(421)가 형성되어 있으므로 배수관(300)을 사이에 두고, 상측커버체(410)와 하측커버체(420)를 겹치면 상기 플랜지(411)(421)는 서로 접면된 상태를 유지하므로 체결수단을 이용하여 상기 상측커버체(410)의 플랜지(411)에 형성된 체결공(412)과 하측커버체(420)의 플랜지(421)에 형성된 체결공(422)을 관통되게 체결하면 상측커버체(410)와 하측커버체(420)는 서로 견고한 고정상태를 유지한다.Since flanges 411 and 421 are formed at both sides of the upper cover body 410 and the lower cover body 420, respectively, the drain pipe 300 is interposed between the upper cover body 410 and the lower cover body ( When the 420 overlaps the flanges 411 and 421 are in contact with each other, the fastening hole 412 and the lower cover body 420 formed in the flange 411 of the upper cover body 410 using the fastening means. When the fastening hole 422 formed in the flange 421 of the through fastening to the upper cover body 410 and the lower cover body 420 is maintained firmly fixed to each other.

상기 체결수단으로는 일반적인 볼트 너트를 사용함이 바람직하다.As the fastening means, it is preferable to use a general bolt nut.

이처럼 배수관(300)을 상측커버체(410)와 하측커버체(420)로 감싸 고정시킨 상태에서 이를 도 3에서와 같이 기초콘크리트(200)위에 설치하면 장기간이 경과하면서 토사(100)의 압력이나 부력이 작용하더라도 상기 상측커버체(410)와 하측커버체(420)로 이루어진 커버(400)에 의해 압력이나 부력이 차단되면서 배수관(300)에는 압력이나 부력이 작용하지 않아 배수관(300)에 균열현상이 발생되는 것을 효과적으로 방지할 수 있다.When the drain pipe 300 is wrapped in the upper cover body 410 and the lower cover body 420 and fixed on the foundation concrete 200 as shown in FIG. 3, the pressure of the earth and sand 100 is increased while the drain pipe 300 is installed. Even if buoyancy is applied, the pressure or buoyancy is blocked by the cover 400 formed of the upper cover body 410 and the lower cover body 420, so that the pressure or buoyancy does not act on the drain pipe 300, and thus cracks in the drain pipe 300. The phenomenon can be effectively prevented from occurring.

또한 본 발명은 배수관(300)을 너무 오래기간 사용하여 노후화되어 교체를 할 경우에는 기초콘크리트(200)에서 커버(400)를 들어내는데 여기서 상기 커버(400)속에는 상기에서 언급한 바와같이 배수관(300)이 들어가 있으므로 커버(400)를 들어내면 배수관(300)도 함께 들어낼 수 있는 것이므로 이후 상측커버체(410)와 하측커버체(420)의 조립을 위해 사용된 체결수단을 풀어주면 상측커버체(410)와 하 측커버체(420)가 서로 분리됨에 따라 배수관(300)을 간편하게 교체할 수 있는 것이고, 이후 새것의 배수관(300)을 다시 상측커버체(410)와 하측커버체(420)로 감싸 설치하면 된다.In addition, the present invention lifts the cover 400 from the base concrete 200 in the case of replacing the old pipe used for too long to replace the old concrete where the drain 400 as mentioned above Since the cover 400 is lifted so that the drain pipe 300 can be lifted out together, and then release the fastening means used for assembling the upper cover body 410 and the lower cover body 420, the upper cover body. As the 410 and the lower cover body 420 are separated from each other, the drain pipe 300 can be easily replaced, and the new drain pipe 300 is again replaced by the upper cover body 410 and the lower cover body 420. You can install it by wrapping it.

이상과 같이 본 발명의 바람직한 실시 예를 설명하였으나 본 발명은 다양한 변화와 변경 및 균등물을 사용할 수가 있으며, 상기 실시 예를 적절히 변형하여 동일하게 응용할 수 있음이 명확하다. 따라서 상기 기재 내용은 하기 특허청구범위의 한계에 의해 정해지는 본 발명의 범위를 한정하는 것은 아니다.As described above, the preferred embodiment of the present invention has been described, but the present invention may use various changes, modifications, and equivalents. Therefore, the above description does not limit the scope of the invention defined by the limitations of the following claims.

이상에서 상술한 바와같이 본 발명은 배수관을 상측커버체와 하측커버체로 구성된 커버로 감싸서 보호하므로서 토사의 압력이나 부력이 작용하더라도 커버가 이를 차단하여 배수관에는 전혀 작용되지 않도록 하여 배수관에 균열현상이 일어나는 것을 방지하여 누수현상이 없도록 하므로서 수질오염이나 지반침하 현상이 일어나지 않으므로 이에따른 배수관을 보수하거나 교체할 필요가 없어 이에 소요되는 비용을 절감 할 수 있는 매우 유용한 발명이다.As described above, the present invention wraps and protects the drain pipe with a cover composed of an upper cover body and a lower cover body, so that even if the earth pressure or buoyancy is applied, the cover blocks it so that the drain pipe does not act at all, causing cracks in the drain pipe. It is a very useful invention that can reduce the cost of water drainage and ground subsidence does not occur because it prevents water leakage and prevents the need to repair or replace the drain pipe.

Claims (2)

건축단지에서 발생되는 물을 배수하기 위해 토사(100) 속에 매설하는 배수관(300)의 외주면에 부력방지용 커버(400)를 설치하여 배수관(300)에 가해지는 토사(100)의 압력이나 부력을 상기 커버(400)가 막아주도록 한 것에 있어서,Buoyancy prevention cover 400 is installed on the outer circumferential surface of the drain pipe 300 embedded in the earth and sand to drain the water generated in the construction complex to the pressure or buoyancy of the earth and sand 100 applied to the drain pipe 300 In the cover 400 to block, 상기 커버(400)를 배수관(300)의 외주면을 반분하여 덮어줄 수 있도록 반원형의 안착부가 구비된 상측커버체(410)와 하측커버체(420)로 분리하여 구성하고, The cover 400 is divided into an upper cover body 410 and a lower cover body 420 provided with a semicircular seating part to cover the outer circumferential surface of the drain pipe 300 by half. 그 상측커버체(410)와 하측커버체(420)의 양단에는 다수의 체결공(412)(422)이 구비된 플랜지(411)(421)를 각각 형성하며, On both ends of the upper cover body 410 and the lower cover body 420, flanges 411 and 421 having a plurality of fastening holes 412 and 422 are formed, respectively. 상기 체결공(412)(422)에 결착되는 체결수단에 의해 상측커버체(410)와 하측커버체(420)의 조립상태가 고정되게 한 것을 특징으로 하는 건축단지의 배수관 보강구조.The reinforcement structure of the building complex, characterized in that the assembly state of the upper cover body 410 and the lower cover body 420 is fixed by the fastening means fastened to the fastening hole (412, 422). 삭제delete
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100808574B1 (en) 2006-08-25 2008-03-04 덕산콘크리트(주) Fixation means of underground formation pipeline
CN110924283A (en) * 2020-01-02 2020-03-27 成都九执星科技有限公司 Asphalt pavement slotting and repairing assembly and manufacturing device and manufacturing method thereof
CN110924283B (en) * 2020-01-02 2024-04-19 会同县广业建材有限公司 Asphalt pavement grooving repair assembly and manufacturing device and manufacturing method thereof

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KR20040091241A (en) * 2003-04-21 2004-10-28 이선희 Supportor for supporti ng synthetic resin pipe and method for laying pipes using thereof

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Publication number Priority date Publication date Assignee Title
KR20040091241A (en) * 2003-04-21 2004-10-28 이선희 Supportor for supporti ng synthetic resin pipe and method for laying pipes using thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100808574B1 (en) 2006-08-25 2008-03-04 덕산콘크리트(주) Fixation means of underground formation pipeline
CN110924283A (en) * 2020-01-02 2020-03-27 成都九执星科技有限公司 Asphalt pavement slotting and repairing assembly and manufacturing device and manufacturing method thereof
CN110924283B (en) * 2020-01-02 2024-04-19 会同县广业建材有限公司 Asphalt pavement grooving repair assembly and manufacturing device and manufacturing method thereof

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