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김철,김석규,이치열 호남대학교 산업기술연구소 2001 산업기술연구논문집 Vol.9 No.-
광주 · 전남의 상수원인 주암호 유역을 연구대상지역으로 선정하여 GIS를 이용하여 수질 오염부하량을 계산하였다. 계산방법은 점오염원 부하량과 비점오염원 부하량을 나누어서 산정하였는데, 점오염원 부하량은 생활하수, 축산폐수, 산업폐수, 양어장폐수, 식당과 숙박업소의 배출수 등을 고려하여 원단위를 이용하여 산정하였고, 비점오염원 부하량은 SCS의 유출곡선지수(CN)를 기초로 해서 산정한 유출량과 환경부에서 우리나라 유역의 특성에 맞게 제시한 토지이용별 기대평균농도(EMC)를 적용하여 산정하였다. 계산된 점오염원 부하량과 비점오염원 부하량을 합하여 전체 오염부하량을 산정하였다. Juam Lake, which is the source of water supply to Chonnam province and Kwangju city was selected as a research site and water quality pollutant loads were calculated in this site. Point source pollutant loads and nonpoint source pollutant loads were calculated respectively. Point source pollutant loads were estimated using the unit pollutant loads of residence wastewater, farm wastewater, industrial wastewater, fish-farmer wastewater, wastewater of restaurants and lodgings presented by the Ministry of Environment, The direct runoff based on SCS Curve Number method was multiplied by Expected Mean Concentration to give nonpoint source pollutant loads. Total pollutant loads were calculated by summing up point and nonpoint source pollutant loads.
정하중 및 동하중이 작용하는 연약지반의 거동특성(비교모형실험)
김종렬,강진태,이치열,박용면,정재훈 한국지반공학회 2008 한국지반공학회논문집 Vol.24 No.1
In the study a 2 dimensional model test was executed to grasp the effect of the taking load of equipments on the ground when improving a soft ground like dredging reclaimed ground. The static load and the dynamic load in the consolidated model ground was 0.02 kg/cm2, 0.03 kg/cm2 and 0.04 kg/cm2 respectively. After consolidating far two months by consolidation load of 0.02 kg/cm2, 0.03 kg/cm2 and 0.04 kg/cm2 respectively, the ultimate bearing capacity was 0.16 kg/cm2, 0.19 kg/cm2, 0.24 kg/cm2 respectively. And the energy price of dynamic load test at the same point as the settlement of static load test indicated E=336~945kgcm, E=252~780kgcm and E=323~727kgcm for each consolidation load. When the static load and the dynamic load operated at the same ground condition, the heaving quantity was bigger in the case of the dynamic load than in the case of the static load, and the horizontal displacement quantity the in the case of dynamic load was exhibited very deficiently compared to the quantity in the case of static load test.