KR100409266B1 - HICT Remediation for Domes on Abandonded Landfills - Google Patents

HICT Remediation for Domes on Abandonded Landfills Download PDF

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KR100409266B1
KR100409266B1 KR10-2001-0033406A KR20010033406A KR100409266B1 KR 100409266 B1 KR100409266 B1 KR 100409266B1 KR 20010033406 A KR20010033406 A KR 20010033406A KR 100409266 B1 KR100409266 B1 KR 100409266B1
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landfill
dome
fixed air
movable
excavation
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KR10-2001-0033406A
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Korean (ko)
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KR20010092467A (en
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정준교
장정희
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현대건설주식회사
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE
    • B09B1/00—Dumping solid waste
    • B09B1/008—Subterranean disposal, e.g. in boreholes or subsurface fractures
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • E02D31/002—Ground foundation measures for protecting the soil or subsoil water, e.g. preventing or counteracting oil pollution
    • E02D31/006—Sealing of existing landfills, e.g. using mining techniques

Abstract

본 발명은 불량매립지상에 막구조물을 설치하여 악취, 소음, 분진 등의 방해없이 매립지를 원상태로 복원시킬수 있도록 한 막구조물을 이용한 불량매립지 복원공사방법에 관한 것으로, 본 발명의 구체적인 수단은, 인근지역의 대규모 주거시설에 악취, 소음, 분진의 발생을 방지하면서 불량매립지를 복원하기 위한 공사방법으로서, 불량매립지의 공사영역에 고정형 에어돔을 위치시킴과 동시에 고정형 에어돔에 폐기물 처리설비를 준비시키는 단계와; 불량매립지를 단위구획으로 분할하여 그 분할된 단위구획내에 이동형 돔을 위치시키는 단계와; 이동형 돔내에 굴착장비를 위치시킨 후 단위구획을 따라 이동형 돔을 이동시켜가면서 굴착장비로 매립지 굴착을 수행하는 단계와; 굴착된 폐기물을 상기 고정형 에어돔내의 폐기물 처리설비에 이동시켜 청정토사를 이동형 돔내로 재 공급처리시켜 나가면서 매립지를 복원시킴을 특징으로 한다.The present invention relates to a method for restoring a bad landfill using a membrane structure that allows the landfill to be restored to its original state without disturbing odors, noises, dusts, etc. As a construction method to restore bad landfill while preventing odor, noise and dust generation in large residential facilities in the area, place a fixed air dome in the construction area of the bad landfill and prepare waste treatment facilities in the fixed air dome. Steps; Dividing the defective landfill into unit compartments and placing a movable dome in the divided unit compartments; Positioning the excavation equipment in the movable dome and then performing the landfill excavation with the excavating equipment while moving the movable dome along the unit compartment; The excavated waste may be moved to a waste treatment facility in the fixed air dome to restore the landfill while resupplying clean soil into the mobile dome.

Description

막구조물을 이용한 불량매립지 복원공사방법{HICT Remediation for Domes on Abandonded Landfills}Construction method for reclaiming bad landfill using membrane structure {HICT Remediation for Domes on Abandonded Landfills}

본 발명은 불량매립지 복원공사방법에 관한 것으로, 특히 불량매립지상에 막구조물을 설치하여 악취, 소음, 분진 등의 방해없이 매립지를 원상태로 복원시킬수 있도록 한 막구조물을 이용한 불량매립지 복원공사방법에 관한 것이다.The present invention relates to a method for restoring a landfill site, in particular, a method for restoring a landfill site using a film structure in which a film structure is installed on a landfill site to restore the landfill to its original state without disturbing odors, noise, dust, etc. will be.

인근지역에 대규모 주거시설이 위치한 불량매립지의 경우 복원의 필요성이 제기된다. 이럴 경우 악취, 소음, 분진 등과 같은 환경유해 요인으로 인하여 공법을 선정하는데 매우 어려운 실정이다.In case of landfills with large scale residential facilities in the immediate area, the need for restoration is raised. In this case, it is very difficult to select a method due to environmental harmful factors such as odor, noise, dust, etc.

즉, 불량매립지에는 각종 오염물과 퇴적물이 쌓여 있어 굴착시의 악취 및 분진발생, 각종 굴착장비 및 정화장비의 소음 등에 의해 주변 환경에 악영향을 줄 수 있다.That is, the bad landfill has accumulated various contaminants and sediments, which may adversely affect the surrounding environment due to the occurrence of odors and dust during excavation, noise of various excavation equipment and purification equipment, and the like.

따라서 불량매립지의 주변에 대단지 주거시설이 들어서 있는 경우에는, 이러한 환경 유해요소로부터 피해가 없어야 한다.Therefore, if there is a large housing facility in the vicinity of a bad landfill, there should be no damage from these environmental hazards.

본 발명은 상기와 같은 사정을 감안하여 창안된 것으로, 불량매립지상에 막구조물을 설치하여 악취, 소음, 분진 등의 방해없이 매립지를 원상태로 복원시킬수 있도록 한 돔형 구조물을 이용한 불량매립지 복원공사방법을 제공함에 그 목적이 있다.The present invention was devised in view of the above circumstances, and a method for restoring a landfill site using a domed structure in which a membrane structure is installed on a landfill site to restore the landfill to its original state without disturbing odor, noise, dust, etc. The purpose is to provide.

상기의 목적을 달성하기 위한 본 발명의 구체적인 수단은,Specific means of the present invention for achieving the above object,

인근지역의 대규모 주거시설에 악취, 소음, 분진의 발생을 방지하면서 불량매립지를 복원하기 위한 공사방법으로서,As a construction method to restore bad landfill while preventing odor, noise and dust generation in large residential facilities in the surrounding area,

불량매립지의 공사영역에 고정형 에어돔을 위치시킴과 동시에 고정형 에어돔에 폐기물 처리설비를 준비시키는 단계와;Placing a fixed air dome in the construction area of the defective landfill and preparing waste treatment facilities in the fixed air dome;

불량매립지를 단위구획으로 분할하여 그 분할된 단위구획내에 이동형 돔을 위치시키는 단계와;Dividing the defective landfill into unit compartments and placing a movable dome in the divided unit compartments;

이동형 돔내에 굴착장비를 위치시킨 후 단위구획을 따라 이동형 돔을 이동시켜가면서 굴착장비로 매립지 굴착을 수행하는 단계와;Positioning the excavation equipment in the movable dome and then performing the landfill excavation with the excavating equipment while moving the movable dome along the unit compartment;

굴착된 폐기물을 상기 고정형 에어돔내의 폐기물 처리설비에 이동시켜 청정토사를 이동형 돔내로 재 공급처리시켜 나가면서 매립지를 복원시킴을 특징으로 한다.The excavated waste may be moved to a waste treatment facility in the fixed air dome to restore the landfill while resupplying clean soil into the mobile dome.

도 1은 본 발명의 실시예에 따른 매립지 공사계획 현황도.1 is a landfill construction plan status diagram according to an embodiment of the present invention.

도 2는 본 발명의 실시예에 따른 매립지 복원공사 시스템의 구성도.2 is a block diagram of a landfill restoration system according to an embodiment of the present invention.

<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>

40 : 정화시설 50 : 고정형 에어돔40: purification facility 50: fixed air dome

60 : 이동형 돔60: movable dome

이하, 첨부된 도면을 참조하여 본 발명의 바람직한 실시예를 상세히 설명한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명의 실시예에 따른 매립지 공사계획 작업현황도이고, 도 2는 본 발명의 실시예에 따른 매립지 복원공사 시스템의 구성도이다.1 is a landfill construction plan work status diagram according to an embodiment of the present invention, Figure 2 is a block diagram of a landfill restoration construction system according to an embodiment of the present invention.

본 발명의 불량매립지 공사공법은, 도 1,2와 같이 불량매립지(20)의 공사영역에 막구조물을 이루는 고정형 에어돔(50)을 위치시킨다. 이 고정형 에어돔(50)내에는 폐기물 처리설비가 설치된다. 이때 설치되는 설비로는 오염된 토사를 처리하는 설비와 처리시 발생되는 악취, 소음, 분진 등을 제어할 수 있는 정화시설 (Biofilter)(40)이다.In the poor landfill construction method of the present invention, as shown in Figures 1 and 2, the fixed air dome 50, which forms a membrane structure, is placed in the construction area of the defective landfill 20. The waste treatment facility is installed in the fixed air dome 50. At this time, the installed equipment is a facility for treating contaminated soil and a purification facility (Biofilter) 40 that can control odor, noise, dust, etc. generated during the treatment.

그러므로 정화시설(40)에서 배출되는 공기는 악취가 제거된 청정공기가 배출된다.Therefore, the air discharged from the purification facility 40 is discharged of clean air from which odor has been removed.

다음, 불량매립지를 단위구획으로 분할하여 그 분할된 단위구획내에 이동가능한 막구조물인 이동형 돔(60)을 위치시키고, 이동형 돔(60)내의 굴착에 의하여 발생한 소음은 이동형 돔에 의하여 차폐되고, 악취와 분진 등을 제어하기 위해서는 공기정화시설(바이오필터)(40)을 설치한다.Next, the defective landfill is divided into unit compartments, and the movable dome 60, which is a movable membrane structure, is located in the divided unit compartments. Noise generated by excavation in the movable dome 60 is shielded by the movable dome, and odor In order to control the dust and the like, an air purification facility (biofilter) 40 is installed.

이때 이동형 돔(60)은 소형으로 알루미늄 프레임의 골격을 가지고 이동바퀴가 구비되어 이동이 가능하게 되어 있다.At this time, the movable dome 60 is compact and has a skeleton of an aluminum frame, and a movable wheel is provided to be movable.

따라서 이동형 돔(60)내에 굴착장비를 위치시킨 후 단위구획을 따라 이동형돔(60)을 이동시켜가면서 굴착장비로 매립지 굴착을 수행하면, 악취와 분진의 확산 및 소음의 발생을 사전에 예방할 수 있다.Therefore, if the excavation equipment is placed in the movable dome 60 and the movable dome 60 is moved along the unit compartment, and the landfill excavation is performed with the excavating equipment, it is possible to prevent the occurrence of odor and dust and noise in advance. .

굴착시 발생되는 악취와 소음의 차단을 위하여 구획구분선으로부터 약 1~2m내부까지 굴착하며 다음 구획에 중복되게 작업한다. 굴착된 폐기물은 상기 고정형 에어돔내의 폐기물 처리설비에 이동시켜 청정토사를 이동형 돔(60)내로 재 공급처리시켜 나가면서 매립지를 복원시킨다.In order to block odor and noise generated during excavation, excavate about 1 ~ 2m from the division division line and work in the next division. The excavated waste is moved to a waste treatment facility in the fixed air dome to reclaim the landfill while resupplying clean soil into the mobile dome 60.

<실시예><Example>

도 1은 매립지 공사계획의 현황도를 나타낸 것으로, 도 1의 한쪽 좌표상에는 고정형 에어돔(50)이 설치되고, 단위구획내에 이동형 돔(60)이 위치되어 있다.1 shows a state diagram of a landfill construction plan. A fixed air dome 50 is installed on one coordinate of FIG. 1, and a mobile dome 60 is located in a unit compartment.

이동형 돔(60)내에는 굴착장비가 배치되어 굴착작업을 수행하고 굴착시 발생되는 분진, 소음, 악취 등은 바이오필터 등으로 정화처리한다.Excavation equipment is disposed in the movable dome 60 to perform excavation work, and dust, noise, and odor generated during excavation are purified by a biofilter.

ⅰ)소음처리음) noise treatment

불량매립지 인근지역에 주거단지가 있을 경우 건설장비로 인한 소음으로 민원이 제기될 소지가 있다. 따라서 공사에 투입될 장비의 소음을 고려하여 에어돔 (Air Dome)을 설치함에 따라 인근 미치는 소음을 예측하였다.If there is a residential complex near the bad landfill, complaints may be raised due to noise from construction equipment. Therefore, in consideration of the noise of equipment to be put into construction, the noise from the neighborhood was predicted as the Air Dome was installed.

가. 에어돔(Air Dome)내부 공간에 의한 Room Constant 효과(△L1)end. Room Constant Effect due to the Air Dome Internal Space (△ L 1 )

에어돔(Air Dome)내부에서의 실내음장분포는 아래 그림1과 같이 잔향음장이 형성되게 되므로, 다음과 같은 기하학적 음향이론식이 성립할 수 있다. 즉,Since the reverberation sound field is formed in the indoor sound field distribution in the air dome, the following geometrical acoustic theory can be established. In other words,

SPL=PWL+10log()(dB)SPL = PWL + 10log ( (dB)

여기서, SPL : S' 지점에서의 소음도(dB)Where SPL: noise level at the S 'point (dB)

PWL : 음원의 음향파워레벨(dB)PWL: Sound power level (dB) of sound source

Q : 지향계수Q: Orientation Coefficient

r : 음원으로부터 측정점까지의 거리(m)r: distance from sound source to measuring point (m)

R : 실정수(=)(㎡)R: Real constant (= ) (㎡)

S : 실의 표면적(㎡)S: surface area of yarn (㎡)

: 실의 평균흡음율(=) = Average sound absorption of the yarn (= )

그림 1. 실내음장 분포Figure 1. Indoor Sound Field Distribution

일반적으로 잔향이 증가된 실내공간에서의 소음도는, SPL≒PWL-10logR+6 (dB)와 같이 되어 Back Hoe의 경우, PWL = 120dB (at 1m) 정도이므로 에어돔(Air Dome) 내부에서의 소음도는 약 86∼90dB(A)(at 1m)가 된다.In general, the noise level in the indoor space with increased reverberation is equal to SPL ≒ PWL-10logR + 6 (dB), and in the case of the back hoe, PWL = 120dB (at 1m), so the noise level inside the air dome Is about 86 to 90 dB (A) (at 1m).

나. 막구조의 흡음효과(△L2)I. Sound Absorption Effect of Membrane Structure (△ L 2 )

Teflon 계열이나 Polyester 계열 막구조의 흡음율은 표 1과 같으므로 구조물의 규격에 따른 흡음효과는 약 2 dB(A) 내외이다.The sound absorption rate of the Teflon-based or polyester-based film structure is shown in Table 1, and the sound absorption effect according to the specification of the structure is about 2 dB (A).

[표 1] 막구조의 흡음효과[Table 1] Sound absorption effect of membrane structure

f(Hz)f (Hz) 125125 205205 500500 1K1K 2K2K 4K4K 막구조의 흡음율Sound Absorption Rate of Membrane Structure 0.110.11 0.120.12 0.080.08 0.040.04 0.020.02 0.040.04

다. 막구조의 차음효과(△L3)All. Sound insulation effect of membrane structure (△ L 3 )

막구조의 면밀도(Surface Density)에 따른 질량법칙(Mass Law)에 의하여 막구조의 차음효과는 표 2와 같이 계산할 수 있으며, STC는 약 10dB 내외이다.According to the Mass Law according to the surface density of the membrane structure, the sound insulation effect of the membrane structure can be calculated as shown in Table 2, and the STC is about 10 dB.

TL(Transmission Loss) = 20log(fm) - 43 (dB)TL (Transmission Loss) = 20log (fm)-43 (dB)

단, f : 주파수(Hz)Where f is the frequency (Hz)

m : 막구조의 면밀도(kg/㎡)m: surface density of the membrane structure (kg / ㎡)

[표 2] 막구조의 차음효과[Table 2] Sound insulation effect of membrane structure

f(Hz)f (Hz) 125125 250250 500500 1K1K 2K2K 4K4K TL(dB)TL (dB) 1One 77 1313 99 2525 3131

라. 거리감쇠효과(△L4)la. Distance Attenuation Effect (△ L 4 )

음향에너지의 거리감쇠는 역자승법칙(Inverse Square Law)에 따르며, 에어돔 Air Dome)의 구형 면음원적 요소를 고려하여 다음과 같이 계산할 수 있다.The distance attenuation of the acoustic energy is in accordance with the Inverse Square Law, which can be calculated as follows, taking into account the spherical surface source element of the Air Dome.

r〈일 때 : SPL=SPL0 r When: SPL = SPL 0

〈r〈일 때 : SPL=SPL0-10log 〈R 〈 When: SPL = SPL 0 -10log

r〉일 때 : SPL=SPL0-20log-10log r> When: SPL = SPL 0 -20log -10log

그림 2 직사각형 면음원의 거리감쇠Fig. 2 Distance Attenuation of Rectangular Surface Sound Source

따라서, 거리가 10m 일 경우, 거리감쇠 효과는 약 12dB(A) 정도이다.Therefore, when the distance is 10m, the distance attenuation effect is about 12 dB (A).

마. 최종전파소음도 평가hemp. Final radio wave noise evaluation

[표 3] 소음도 평가[Table 3] Noise Level Evaluation

소음원의 소음도(백호우)Noise level (backhoe) of the noise source PWL=120 dB(A)PWL = 120 dB (A) 실내흡음정수에 의한 감쇠효과(△1)Attenuation Effect by Indoor Sound Absorption Constant (△ 1 ) 86∼90 dB(A)86 to 90 dB (A) 막구조에 의한 흡음효과(△2)Sound absorption effect by membrane structure (△ 2 ) -2 dB(A)-2 dB (A) 막구조에 의한 투과손실효과(△3)Permeation loss effect by membrane structure (△ 3 ) -10 dB(A)-10 dB (A) 거리감쇠 효과(△4)(r=10m)Distance Attenuation Effect (△ 4 ) (r = 10m) -12 dB(A)-12 dB (A) 최종전파 소음도Final radio wave noise level 62∼66 dB(A)62 to 66 dB (A)

그러므로 에어돔(Air Dome)구조에 의한 방음효과는 12dB(A) 내외이나, 막구조 내부에 흡음구조가 더 권장된다면, 3∼5dB(A) 정도의 추가흡음효과를 기대할 수 있게 된다.Therefore, the sound insulation effect of the air dome structure is around 12dB (A), but if the sound absorbing structure is more recommended inside the membrane structure, an additional sound absorbing effect of 3 to 5dB (A) can be expected.

ⅱ. 분진처리Ii. Dust treatment

불량매립지 정비시 발생되는 분진은 이동형 돔(Movable Dome)(Sub Station)을 설치하여 굴착시 발생하는 분진을 제어할 수 있으며 굴착된 폐기물을 선별기와 처리장치가 설치된 고정형 에어돔(Fixed Air Dome)(Main Station)에 운반하여 작업을 수행하므로써 인근 지역으로의 확산을 방지할 수 있다.Dust generated during the maintenance of bad landfill can control the dust generated by excavation by installing a movable dome (sub station) and fixed air dome where the sorted waste and sorting device are installed. Transport to the main station can be carried out to prevent spread to nearby areas.

ⅲ. 악취처리시Iii. Odor treatment

불량매립지 굴착시 발생되는 악취는 이동형 돔(Movable Dome)(Sub Station)을 설치하여 확산을 방지한후 정화시설(Biofilter)을 설치하여 악취원인물질을 처리하고 굴착된 폐기물의 선별 및 처리시 발생하는 악취 역시 고정형 에어돔(Fixed Air Dome)(Main Station)에 의하여 확산이 방지되고 정화시설에 의하여 악취원인물질을 처리한후 대기로 배출한다.Odors generated during excavation of bad landfills are prevented from spreading by installing a movable dome (sub station), and a biofilter is installed to treat odor-causing substances and to sort and process excavated waste. Odors are also prevented from spreading by the fixed air dome (main station), and the odor causing substances are treated by a purification facility and discharged to the atmosphere.

상술한 바와 같이 본 발명에 따르면 불량매립지의 복원공사시 주변 주거지역에 소음, 분진, 악취의 발생을 방지하면서 효과적으로 복원 공사를 수행할 수 있다.As described above, according to the present invention, the restoration work can be effectively performed while preventing the occurrence of noise, dust, and odor in the surrounding residential area during the restoration work of the poor landfill.

Claims (1)

인근지역의 대규모 주거시설에 악취, 소음, 분진의 발생을 방지하면서 불량매립지를 복원하기 위한 공사방법으로서,As a construction method to restore bad landfill while preventing odor, noise and dust generation in large residential facilities in the surrounding area, 불량매립지의 공사영역에 고정형 에어돔을 위치시킴과 동시에 고정형 에어돔에 폐기물 처리설비를 준비시키는 단계와;Placing a fixed air dome in the construction area of the defective landfill and preparing waste treatment facilities in the fixed air dome; 불량매립지를 단위구획으로 분할하여 그 분할된 단위구획내에 이동형 돔을 위치시키는 단계와;Dividing the defective landfill into unit compartments and placing a movable dome in the divided unit compartments; 이동형 돔내에 굴착장비를 위치시킨 후 단위구획을 따라 이동형 돔을 이동시켜가면서 굴착장비로 매립지 굴착을 수행하는 단계와;Positioning the excavation equipment in the movable dome and then performing the landfill excavation with the excavating equipment while moving the movable dome along the unit compartment; 굴착된 폐기물을 상기 고정형 에어돔내의 폐기물 처리설비에 이동시켜 청정토사를 이동형 돔내로 재 공급처리시켜 나가면서 매립지를 복원시킴을 특징으로 하는 막구조를 이용한 불량매립지 복원공사방법.A method for restoring a landfill site using a membrane structure, wherein the excavated waste is moved to a waste treatment facility in the fixed air dome to restore the landfill while resupplying clean soil into the mobile dome.
KR10-2001-0033406A 2001-06-14 2001-06-14 HICT Remediation for Domes on Abandonded Landfills KR100409266B1 (en)

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