초록 ▼

○ 연구결과
일본의 네코칩공법에 대한 자료조사와 일본 녹화전문가의 자문을 통하여 목질 분쇄재를 활용한 비탈면 녹화공법에 대한 실태조사를 실시하여 목질 분쇄재를 이용한 리사이클 녹화공법의 개발공정을 확립하였다.국내 실정에 적합한 목질 분쇄재를 이용한 리사이클 녹화공법(이하 목질분쇄재 공법)을 개발하기 위하여 자료조사 및 인공강우 실험을 통하여 구조 및 재료를 개발하였으며,목질 분쇄재를 이용한 식생기반재가 구조적으로 매우 안정적인 혼합물로 판단되었다.
목질 분쇄재의 배합율과 종자의 타입,취부 두께 등을 상이하게 설정하여 목질

○ 연구결과
일본의 네코칩공법에 대한 자료조사와 일본 녹화전문가의 자문을 통하여 목질 분쇄재를 활용한 비탈면 녹화공법에 대한 실태조사를 실시하여 목질 분쇄재를 이용한 리사이클 녹화공법의 개발공정을 확립하였다.국내 실정에 적합한 목질 분쇄재를 이용한 리사이클 녹화공법(이하 목질분쇄재 공법)을 개발하기 위하여 자료조사 및 인공강우 실험을 통하여 구조 및 재료를 개발하였으며,목질 분쇄재를 이용한 식생기반재가 구조적으로 매우 안정적인 혼합물로 판단되었다.
목질 분쇄재의 배합율과 종자의 타입,취부 두께 등을 상이하게 설정하여 목질 분쇄재 공법의 기본형과 개량형 공법에 대한 실내 인공강우 실험 및 현장시험시공을 실시함으로써 목질 분쇄재공법의 제작방안 및 현지 적용방안을 개발하였다.실험 결과 목질 분쇄재가 50% 배합된 시험구와 초본형 시험구의 발아개체수 및 발아율,피복율 모두 높은 성능을 나타내어 종자 발아 및 식생생육에 효과적이라고 판단되었다.
토양의 입단화,피복력,식물 뿌리의 활착능력 등이 가장 적합한 제조조건을 제시하기 위하여 여러 가지 혼합조건에 따라 제조된 식생기반재의 특성을 조사하였다.그 결과 녹생토의 식생기반재에 비해 목질 분쇄재 공법의 식생기반재가 식물의 뿌리,코아네트 간의 결합이 높게 나타났으며,코아네트 및 목재칩의 열화는 진행되지 않았다.셀롤로오스 결정구조의 변화를 분석한 결과 목질 분쇄재 배합율 50%의 식생기반재 및 코아네트가 30%의 식생기반재 및 코아네트에 비해 높게 나타나 목질 분쇄재 배합율 50%의 식생기반재가 30%의 식생기반재에 비해 부후에 강하다고 판단되었다.

Abstract ▼

Ⅳ. Proposals on Results and Utilization of Development
1. Research on the Actual Conditions
Recently recycling techniques are being developed for achieving zero in disposition of residuals in construction areas that can be recycled. In particular, the wood from construction areas produced by s

Ⅳ. Proposals on Results and Utilization of Development
1. Research on the Actual Conditions
Recently recycling techniques are being developed for achieving zero in disposition of residuals in construction areas that can be recycled. In particular, the wood from construction areas produced by stem and root cutting including building construction can be efficiently recycled in the construction field to nature, except when valuable transaction is possible such as sawlogs. The Necochip technique of Japan was developed as a recycling planting one under such circumstances. In this technique, the wood from construction areas are ground like needles, base materials for vegetation growth are produced by mixing of non-fertilized raw chips, soils from the field improved as single soils, seeds, fertilizers, and additives, and base for vegetation growth is established on the slopes in the field by using a blasting machine with high-speed belt conveyor. The recycling planting method with woody ground material is similar to the technique, and the method is needed to utilize not only residuals in construction areas but forest trees and woody residues left profusely in forests.
2. Development of Materials and Structures for slope Planting Method with Woody Ground Materials
In order to develop materials and structures for slope planting method with woody ground materials suitable for Korean conditions, base materials for vegetation for slope planting method with woody ground materials were produced on the basis of the standards on mixture rate of materials for base materials for vegetation used for spraying designated by the Minister of Construction and Transportation.
(1) As for woody ground materials, drifting wood of 2006 was selected to be the major material. The wood was ground to be sawdust with the diameter of 6mm or less for the first experiment. In the second and third experiments, the wood was ground second by a wood crusher with hammer and then was filtered by a 10-mm sieve. Also, to promote decay and to prevent the inflow of harmful substances, the wood was settled down in running water for 12 hours and air-dried at normal temperature before using.
(2) As for the mixed soil, decomposed granite soil, Kokpit, wood fiber (Fisch Bond), organic fertilizers, mushroom culture medium, and extreme small quantities of geobinding solution were mixed to be used.
(3) As for base materials for vegetation, the mixed soil and woody ground materials were mixed, and they were mixed to be used at various rates in order to identify structural stability and physical properties.
(4) As a result of the rainmaking experiment on the model slopes, there were no collapses in the blasted areas of base materials for vegetation except the ‘Na’ area. This result indicates that the base materials for vegetation have superior buffer capacities against raining, reduce the rapidity of rain penetration, and have capacity of keeping water.
(5) The concentration of floating matters in runoff water were considerably low (under 1㎖/ℓ in the first, and under 1.5㎖/ℓ in the second and third experiments). This result indicates that the components of the base materials for vegetation including woody ground materials and decomposed granite soil that were unstably fixed to the surface of the materials were run off.
(6) Pins were established at a certain interval in order to observe physical changes before and after raining, and no changes in location were shown before and after raining. This result indicates that the base materials for vegetation in the method with woody round materials were not contracted or expanded by the raining, stabilized against the physical changes according to water.
3. Development of Measures for Designing the slope Planting Method with Woody Ground Materials
(1) The basic method for woody ground materials was designed according to the standardized table and material tables generally applied by planting industry, and the material tables and seed mixture tables were adjusted in order to utilize woody ground materials and native vegetation.
(2) The standards for seed mixture were divided into two: grass type and tree type. In order to develop planting methods suitable for Korean conditions, use of exotic grasses were restricted.
(3) The methods for woody ground materials were improved twice, and the standardized table, material tables, and seed mixture tables were prepared according to the improvements.
(4) The orders or methods of construction are: ① investigation of slopes and examination of designing, ② arrangement of the slopes, ③ foundation work for planting, and ④ R/C soil blasting.
4. Development of Measures of Applying the Slope Planting Method with Woody Ground Materials to the Field
(1) Three test constructions were performed in the field within the training forest of the College of forest and Environmental sciences, Kangwon National University. As for the first-year test construction, Noksaeng Method that is used by plating businesses was performed for control with the slope planting method with woody ground materials.
(2) Same method was applied for the second- and third-year test constructions, and the thickness in fitting, rate of woody ground materials, and standards of seed mixture were differentiated in order to develop more efficient methods.
(3) As a result of vegetation investigation in the test construction areas, the number of sprouts in the method with woody ground materials was 6.5 times more than that in the Noksaeng Method, and the speed of covering in the former was remarkably fast. This result indicates that the method with woody ground materials is efficient for early planting because it promotes faster covering in slopes.
(4) The number of sprouts tended to be higher in the test plots of grass-type seed than in the test plots of tree-type seed, indicating that the former was considerably higher than the latter in sprouting rate. Also, the test plots with 50% in its mixture rate of woody ground materials (23,630 sprouts) showed higher number of sprouts (9.1%, 1,970 sprouts) than the test plots with 30% (21,600 sprouts), indicating that the base materials for vegetation with 50% in woody ground materials rather than that with 30% in the materials were relatively more efficient in seed sprouting.
5. Properties of Base Materials for Vegetation According to Production Conditions
(1) This is to investigate the properties of base materials for vegetation produced according to various mixture conditions to present most appropriate conditions of production in geobinding solution, covering, and rooting capacities.
(2) Properties of the base materials for vegetation in the methods with woody ground materials and those of Noksaeng Method used in the first-year test construction, and the base materials for vegetation (30 and 50% in its mixture rate of woody ground materials, respectively) in the methods with woody ground materials used in the second-year test construction were analyzed.
(3) According to the analysis, the base materials for vegetation of the planting method with woody ground materials showed higher bonding between roots and core net when compared to Noksaeng soil, and deterioration of coir net and wood chips did not appear. Also, despite its highest density, the sawdust-type base materials for vegetation showed highest rooting capacity of grass types. It is suggested that the chip-type base materials for vegetation may present rooting space and habitats for various organisms.

목차 Contents

• 표지 ... 1
• 제출문 ... 2
• 요 약 문 ... 3
• Summary ... 9
• CONTENTS ... 18
• 목 차 ... 20
• 제1장 연구개발과제의 개요 ... 22
• 제1절 연구개발의 목적 및 필요성 ... 22
• 1. 기술적 측면 ... 23
• 2. 경제․산업적 측면 ... 23
• 3. 사회․문화적 측면 ... 23
• 제2절 연구내용 및 범위 ... 24
• 1. 실태조사와 연구대상지 선정 및 기초조사 ... 24
• 2. 목질 분쇄재를 이용한 리사이클 녹화공법 개발 ... 24
• 3. 목질 분쇄재를 이용한 리사이클 녹화공법 제작방안 개발 ... 24
• 4. 목질 분쇄재를 이용한 리사이클 녹화공법 현지 적용방안 개발 ... 25
• 5. 목질 분쇄재를 이용한 리사이클 녹화공법의 문제점 파악 및개량 ... 25
• 6. 개량형 목질분쇄재를 이용한 리사이클 녹화공법의 표준 규격도, 재료표 등 작성 ... 25
• 7. 개량형 목질 분쇄재를 이용한 리사이클 녹화공법의 현지적용 ... 25
• 제2장 국내․외 기술개발 현황 ... 28
• 제1절 기술개발 현황과 문제점 ... 28
• 1. 일본의 기술개발 현황 ... 28
• 2. 우리나라의 기술개발현황 ... 28
• 제2절 앞으로의 전망 ... 29
• 제3절 기술도입의 타당성 ... 29
• 제3장 연구개발수행 내용 및 결과 ... 31
• 제1절 실태조사 ... 31
• 1. 일본의 목질 분쇄재 공법(네코칩공법) ... 31
• 2. 녹화전문가 초청, 자문 ... 55
• 제2절 목질 분쇄재를 이용한 리사이클 녹화공법의 재료및 구조 개발 ... 63
• 1. 목질 분쇄재를 이용한 리사이클 녹화공법의 재료 ... 63
• 2. 모형 비탈면에서의 적용실험 실시 ... 69
• 3. 실험결과 ... 76
• 제3절 목질 분쇄재를 이용한 리사이클 녹화공법의 제작 방안 개발 ... 108
• 1. 기본형 목질 분쇄재를 이용한 리사이클 녹화공법의 표준 규격도, 재료표 작성(1차년도) ... 108
• 2. 개량형 목질 분쇄재를 이용한 리사이클 녹화공법의 표준규격도,재적표 작성(이하 개량형 목질 분쇄재 공법) ... 117
• 제4절 목질 분쇄재를 이용한 리사이클 녹화공법의 현지적용방안 개발 ... 127
• 1. 기본형 목질 분쇄재를 이용한 리사이클 공법의 현장적용(1차년도) ... 127
• 2. 1차 개량형 목질 분쇄재를 이용한 리사이클 녹화공법 현장시공(2차년도) ... 137
• 3. 2차 개량형 목질 분쇄재를 이용한 리사이클 녹화공법 현지시공(3차년도) ... 146
• 4. 현지시험시공지의 식생조사 및 분석 ... 147
• 제5절 제조조건에 따른 식생기반재의 특성 ... 182
• 1. 실험목적 ... 182
• 2. 실험재료 ... 182
• 3. 실험방법 ... 183
• 4. 결과 및 고찰 ... 184
• 5. 결론 ... 196
• 제4장 목표달성도 및 관련분야에의 기여도 ... 197
• 제1절 연구목표의 달성도 ... 197
• 1. 실태조사와 연구대상지 선정 및 기초조사 ... 197
• 2. 녹화용 분쇄재 공법 개발 ... 197
• 3. 녹화용 분쇄재 공법 제작방안 개발 ... 197
• 4. 녹화용 분쇄재 공법 현지 적용방안 개발 ... 198
• 5. 분쇄재 공법의 문제점 파악 및 개량 ... 198
• 6. 개량 분쇄재 공법의 표준 규격도, 재료표 등 작성 ... 198
• 7. 개량 분쇄재 공법의 현지적용 ... 198
• 제2절 관련분야에의 기여도 ... 200
• 1. 기술적 측면 ... 200
• 2. 경제․산업적 측면 ... 200
• 3. 사회․문화적 측면 ... 201
• 제5장 연구개발 결과의 활용계획 ... 202
• 1. 친환경적 녹화사업에 적극적 활용 ... 202
• 2. 교육자료로 활용 ... 202
• 3. 특허출원 ... 202
• 4. 각종 학술대회발표 및 전문학술지 투고 ... 203
• 제6장 연구개발과정에서 수집한 해외과학기술정보 ... 205
• 제1절 일본의 유목대책지침에 대한 연구 ... 205
• 1. 계획편 ... 205
• 2. 설계편 ... 219
• 제7장 참고문헌 ... 233
• 끝페이지 ... 239