초록 ▼

1. 단량체 및 개시제의 선정
1) 단량체로써 MMA, styrene을 선정
2) 개시제로 AIBN 사용
3) Hot dry oven을 이용한 건조
4) 초음파 함침 장비를 이용한 단량체 침투
2. 경제적 중합 방법 개발
1) 기존의 수중열중합, Microwave 중합 장비 비교 분석
2) Microwave 중합 장비를 사용하여 제작한 시편 및 시제품의 물성 개선
3) Microwave 중합 시스템의 사용으로 중합 시간 절감.
3. 시편 제작 및 물성 실험
1) 기존 시편보다 압

1. 단량체 및 개시제의 선정
1) 단량체로써 MMA, styrene을 선정
2) 개시제로 AIBN 사용
3) Hot dry oven을 이용한 건조
4) 초음파 함침 장비를 이용한 단량체 침투
2. 경제적 중합 방법 개발
1) 기존의 수중열중합, Microwave 중합 장비 비교 분석
2) Microwave 중합 장비를 사용하여 제작한 시편 및 시제품의 물성 개선
3) Microwave 중합 시스템의 사용으로 중합 시간 절감.
3. 시편 제작 및 물성 실험
1) 기존 시편보다 압축 및 휨강도가 2~4배 증가함
2) 황산, 염산 용액을 이용한 내화학성 우수
3) 바닷물을 이용한 내염해성 우수
4) 동결융해 저항성, 내구성 증가
5) 흡수성 시험을 통한 PIC 제품의 완벽한 방수성
4. 시작품 모형 선정 및 제작
1) 시작품 모형으로 원심력 철근 콘크리트관의 칼라(이음부) 선정
2) Microwave 중합 장비를 이용하여 PIC 시작품 제작
5. 시작품에 대한 물성 평가
1) 기존 흄관 칼라와 본 연구를 통해 제작된 시작품의 파괴 하중 측정
2) 황산에 대한 내화학성 측정
3) 바닷물에 대한 염해 저항성 측정
4) 하수종말처리장 침지를 통해 내구성 및 내부식성 측정
6. 경제성 분석
1) 시작품 제작을 바탕으로 한 경제성 분석
2) 오수관으로 사용되는 PRC관, 유리섬유복합관과 경제성 비교분석
3) 기존 원심력 철근 콘크리트관 가격 대비 30%이내 생산 가능시 경제성 있음
4) 제품의 원가절감 및 경량화를 통한 시공경비 절감

Abstract ▼

The intended purpose of this research are as follows:
(1) Contents and Scope of the 1st year Research & Development
For the 1st year of Research & Development laboratory works are carried out with following procedure.
① Data collection and preliminary technical investigation
This part of

The intended purpose of this research are as follows:
(1) Contents and Scope of the 1st year Research & Development
For the 1st year of Research & Development laboratory works are carried out with following procedure.
① Data collection and preliminary technical investigation
This part of the contents for the research shall investigate the trends for new technologies of high strength concrete at home & abroad and carry out the preliminary technical investigation by using the Patent Road Map, and analyze the investigation of the abroad firm's production facilities and products.
② Development of Curing and Monomer impregnation process
Curing and infiltration process will be developed which includes Ultrasonic Vibration System, ensuring the pores of test piece can be impregnated by more than 30%.
③ Selection of the monomer and initiator
Vapor / liquid infiltration tests will be carried out which select the vapor / liquid monomer such as propylene, Urethane, styrene ensuring the initiator can be impregnated more effectively.
④ Energetic polymerization
Microwave and X -ray which IS possible to change the frequency and wavelength were introduced to install the polymerization facility and conduct the polymerization experiment. By measunng the speed of polymerization, degree of polymerization, etc, the optimal condition was derived which was necessary for the production of PIC.
⑤ Production of PIC Test Piece
PIC test piece was produced through the aforesaid process by utilizing concrete cylinder mold.
⑥ Strength(compression, bending), waterproofness, freezing-thawing, chemical resistance, corrosion resistance, heat transference, heat properties of the produced test piece were measured, examined and compared with the coefficient of thermal expansion and explosive heat possibility.
⑦ Economical feasibility
For the trial products, investigation of the abroad firm's production facilities and products shall be carried out and evaluate the economical feasibility.
(2) Contents and Scope of the 2nd year Research & Development
In the second year research, PIC test piece is designed, and most of experiments are conducted in the Pilot scale impregnation and polymerization facility. And the details of research is as follows:
① PIC test piece production
PIC test piece is produced, through a set of processes that include the drying, impregnation, and polymerization, by utilizing the Concrete Cylinder Mold.
② Technical target value of this research was compared with the strength (compression, bending), waterproofness, freezing-thawing chemical resistance, corrosion resistance, heat transference of the designed test pIece.
③ Drying and vapor/liquid Monomer impregnation process(Pilot)
Drying and vapor infiltration process will be developed on the pilot scale which includes Ultrasonic Vibration System, ensuring the pores of test piece can be impregnated by more than 30%.
④ Production and Experiment of Energetic polymerization Pilot
In this research, both Microwave and x-ray, the same radiation energy, were planned to be introduced. However, only Microwave, highly economically efficient and convenient to research, was introduced to install the polymerization pilot and conduct the polymerization experiment because the polymerization effect was found in the low energy level Microwave. By measuring the speed of polymerization, degree of polymerization, etc, the optimal condition was derived which was necessary for the production of PIC.
⑤ Production of PIC Test Piece(Pilot)
PIC test piece was produced through the aforesaid process by utilizing concrete cylinder mold.
⑥Strength(compression, bending), waterproofness, freezing-thawing, chemical resistance, corrosion resistance, heat transference, heat properties of the produced test piece were measured, examined and compared with the coefficient of thermal expansion and explosive heat possibility.
(3) Contents and Scope of the 3rd year Research & Development
In the 3rd year research, based on the first year research of foundation & the 2nd year research of pilot scale through making the trial product and test construction, the research for the practical use have been carried out.
Accordingly, the 3rd year Research & Development based on the hume pipe of the wastewater treatment settle the problems on the PIC manufacturing process of the trial product scale. As mentioned above, production of the trial product equipment, manufacture of the trial product, evaluations on the properties of matter by the production condition and capacity by the test construction have been executed as well as economic feasibility study in accordance with the trial product scale. Therefore, the contents and scope of the 3rd year Research & Development is as follows:
① Data collection and information gathering of the overseas technology
This research shall utilizes the research basic data by analyzing development trends of overseas technology and patent applications for recent PIC technology. Especially, this execution of the research shall be utilized based on the researches for cases of technology development for PIC hume pipe, application, technical level and etc.
② Major variations and deduction of design data for the PIC manufacturing process of the trial product scale
In order to convert from hume pIpe which required functionality (waterproofing, erosion, chemical resistance) to the PIC among the existing concrete products, the polymerization units and impregnated units shall be designed by using the microwave which is 50cm x 50cm x lOOcm based on the 2nd year test data for the pilot scale. With this view, design data shall be made by predicting the problems on calculation of the power, decision of the frequency, optimum reaction condition, settlement of the infiltration condition and temperature gradient.
③ Manufacturing the Microwave polymerization reactor for trial product production and impregnated group
On the basis of the designed data, production of the Microwave reactor and optimum polymerization units by the Ultrasonic vibration or Vacuum system and through their trial run, optimum operating condition shall draw a conclusion as well as a lot of operating condition of utility facility which can be reasonable for the PIC manufacturing process.
④ Basic test for the PIC hume pipe manufacturing
- Change of Curing process
The Curing condition of Precast teleoprated pipe shall optimize.
- Development of the infiltration process
Optimum operating condition of the developed infiltration units shall be made by using Ultrasonic vibrator or Vacuum pump. The infiltration condition which is measuring a variety of condition shall draw a conclusion about optimum infiltration condition in relation to the degree of the vacuum, the degree of the dry and frequency of the ultrasonics wave, pressure.
- Drawing a conclusion for the optimum polymerization condition
By using the PIC manufacturing process(New developed process), the trial products can be producted. processing condition shall draw a conclusion for the production of trial product by changing various conditions such as density of initiator, formation change of MMA/Styrene, reaction temperature, pressure and use of the heating medium.
⑤ Infiltration capacity for the trial product and measurement of the polymerization
PIC hume pIpe which was manufactured as a new process compare with the physical properties by measuring the monomer infiltration capacity and polymerization according to the infiltration effect.
Also, by using the Porosimeter, volume change of the pores and infiltration capacity can be measured. also the BET Surface Area Analyzer shall measure the specific surface area and search the change of the physical properties. In conclusion, the change of the pores shall be confirmed by using the SEM.
Also the polymerization and molecular weight average shall be measured in accordance with the GPC and DSC/TGA analysis, and with the observation for the change of the polymerization on polymerization condition, the glass transition temperature and formation of the copolymer shall be confirmed.
⑥ Comparison with the physical properties III relation to the polymerization of trial project
According to the polymerization of the PIC hume pipe which was manufactured as a new process, it shall be executed such as compressive strength, bending strength, waterproofness, chemical resistance, freezing melting test. The measurement method of physical properties shall be executed with regards to the KS Standards testing method and the measured results shall be compared and analyzed in accordance with the infiltration condition and polymerization condition.
⑦ Drawing a conclusion for the optimum manufacturing condition of the new developed PIC hume pipe manufacturing process
On the basis of evaluation on the physical properties, optimum manufacturing condition can be presented.
⑧ Test construction of manufactured trial products
The trial products which were produced through the outcome of research shall be carried out the test construction such as small industrial complex or industrial wastewater flowing into the pipe. and the quality evaluation shall be carried out by comparing the existing concrete hume pipe. Especially, based on the chemical resistance and freezing melting test, the quality evaluation shall be evaluated. The test shall be executed with regards to the KS Standards testing method and test report shall be issued by the standards association.
⑨ Production of the trial products and Economic Feasibility Analysis
Evaluation on the physical properties of the constructed trial products shall be carried out by applying the actual environment condition on wastewater. Also based on the investigation of the abroad firm's production facilities and products, the trial products shall be evaluated whether the research was successful or not by using the econorruc feasibility analysis.
⑩ Presentation of direction for the next research and utilization the basis of the this research, the plan and promotion strategy for utilization shall be presented and direction for the next research as well.

목차 Contents

• 표지 ...1
• 제출문 ...2
• 보고서 요약서 ...3
• 요약문 ...5
• SUMMARY ...16
• 목차 ...28
• CONTENTS ...29
• 표목차 ...30
• 그림목차 ...33
• 제1장 서론 ...38
• 제1절 연구개발의 필요성 ...38
• 제2절 연구개발의 목표, 주요 내용 및 범위 ...39
• 제2장 국내.외 기술개발 현황 ...42
• 제1절 고분자 함침 콘크리트 기술개발 동향 ...42
• 제2절 고강도 콘크리트의 사용 현황 ...44
• 제3절 폴리머 콘크리트 복합체의 제조기술과 활용분야 ...61
• 제3장 연구개발 수행 내용 및 결과 (PART I) ...144
• 제1절 이론적 배경 ...144
• 제2절 실험 및 방법 ...161
• 제3절 결과 및 결과 ...168
• 제4절 결론 ...202
• (PART II) ...204
• 제1절 이론적 배경 ...204
• 제2절 PIC 침투 및 중합공정 개발 ...206
• 제3절 물성평가 ...221
• 제4절 결과 및 고찰 ...225
• 제5절 결론 ...275
• 제4장 연구개발 목표 달성도 및 관련 분야에의 기여도 ...278
• 제1절 연구개발 목표 달성도 ...278
• 제2절 관련분야에의 기여도 ...283
• 제5장 연구개발결과의 활용 계획 ...284
• 제1절 연구성과의 활용 방안 ...284
• 제2절 연구결과의 기업 활용 방안 ...284
• 제3절 경제성 분석 ...284
• 제6장 연구개발과정에서 수집한 해외 과학기술정보 ...296
• 제7장 참고 문헌 ...300
• 부록 ...308