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RISS 인기검색어
- 검색키워드
- 저자 : 李興吉 (검색결과 33 건)
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李興吉 충주대 2003 産業科學論文集 Vol.11 No.-
There are many problems to predict the consolidation settlement on soft ground during the ground improvement period installing the vertical drains and preloadings. In these case, the important factor for the settlement controls are the predicting final consolidation settlement, time intervals also the height of preloading and so on. For these purpose, an observational methods are proposed by several investigators such as Asaoka, hyperbolic, √t method. The Asaoka method almost is coincide with the field measuring data, and the Hyperbolic method is slightly overestimated, on the other hand, √ method does not coincide with field data.
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李興吉 忠州大學校 1984 한국교통대학교 논문집 Vol.17 No.2
This paper presents a unique relationship between permeability and void ratio. This relationship is then used for deriving the governing differential equation of consolidation for normally consolidated soils. The most commonly used approximation for clayey soils has been the linear plot of eversus log k. which appears to be applicable to any normally consolidated soil.
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이흥길 충주대 산업과학기술연구소 1999 産業科學論文集 Vol.7 No.2
This paper describes the behavior of heaving on the PHC group pile and also introduces the solution for the PHC group pile heaving troubles. The various measures for preventing from the heaving problems of group pile were tried and proved by dynamic pile load test and survey of leveling. According the dynamic pile load test, it was found out that the H bearing pile driving method was the most desirable measure for solving the heaving troubles of PHC group pile. The other test results were analyzed and discussed in the paper.
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화강풍화토의 세립분 함량에 따른 함수특성 분석 및 불포화투수계수 예측
이흥길 忠州大學校 2007 한국교통대학교 논문집 Vol.42 No.-
Most of the land areas of Korea peninsula are composed of soil formed from the in-situ weathering of granite and gneiss. Many slope failures in these weathered soils are triggered by heavy rainfall. These failure are characterized by relatively shallow failures that develop to parallel to the original slope. These failures may be attributed to the deepening of a wetting front into the slope due to the rainfall infiltration which results an increase in moisture content, a decrease in soil matric suction and a decrease in shear strength on unsaturated zone. This kind of slope failure is highly depend on soil-water characteristic and unsaturated permeability of covered soil (weathered granite soil). In this paper describe the results of a series of soil-water characteristic curve test with fine content variation of granite weathered soil. Also, the analysis results of unsaturated permeability prediction method was described.
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"Soil-Cement 의 最大乾操密度와 最適含水比의 相蘭性에 對하여
李興吉 忠州大學校 1976 한국교통대학교 논문집 Vol.8 No.1
It was one of the important to be determinded the maximum dry density(Rd max) and the optimum moisture content(W opt.) of soil-cement mixtures for their works if the soil-cement may be applied to Proctor's compaction theory like as general soils. However,this study was investigated to the relation between the maximum dry density and the optimun moisture content of soil-cement mixture by the compaction test and as compared the experimental results with the formula of D.T.Davison by the Atterberg test and mechanical analysis test. The result obtained from the test may be summarized as follow ; 1)To be learned the relation between the Rd max. and the W opt. as following equation 1 Rd max. = ------------------------ 0.013 W opt. +0.35 2)It had more considered to use the formula of D.T.Davison when the Rd max.and the Wopt. were assumpted, because they had been large range of error. 3)To be considered for the theory of soil-cement can be study on the problems of soil engineering.
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李興吉 忠州大學校 1987 한국교통대학교 논문집 Vol.21 No.-
An attempt has been made to correlate simple index tests and values of CBR The good agreement with sample between two different standard tests modified to include the effect of effect of water suggests a more fundamental role for such modified tests The possibility of a simple design basis has emerged for using value of soaked CBR in which the determination of the plasticity index allows the CBR to be deduced
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柳顯紀,李興吉 忠州大學校 1982 한국교통대학교 논문집 Vol.15 No.1
In construction of a rural house, there are many problems such as the lack of hands at work in the farming season, the working period and construction by unskilled workers etc. and the prefabrication is required on the footing parts to settle these problems. This study determined their shapes and sizes of the footing parts and studied the arrangement centering around the 15 pyeong type and 18 pyeong type of generalized standard of rural housing. In addition to this study presented a tentative plan of prefabrication for rural housing by providing five basic modules of footing parts(FB-900, FB-800, FB-500, FB-300 and FB-200).
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李興吉 충주대학교 산업과학기술연구소 2002 産業科學論文集 Vol.10 No.-
As to technical principle and detail for the construction of engineered waste containment facilities and the manufacturing of lining materials, our practice has, relied on the imports. In view of the circumstances, It is necessitated to develop new landfill materials of industrials wastes as well as to improve the quality of the conventional landfill materials. This study is aimed to develop liner & cover materials for landfill using industrials wastes.
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李興吉 충주대 2004 産業科學論文集 Vol.12 No.-
In this study, are comparative analysis by inner displacement data measured in generally NATM tunnel. The comparative analysis get in calculated value and measured value by three surveying line inner displacement in five terminal point of tunnel section. The results of study put in practice, suggested approximate formula by congressive analysis in inner displacement of terminal point section carrying out the NATM tunnel. Finally, calculated inner displacement final value have viewed left-line 9.16%, right-line 12.72%, horizontal-line 9.46%. Therefore, the appeared average deflection value is 10.44%, safety ratio is considered 1.1 multiplications. The regression analysis using measured results, could be study and development from the various method will be need.
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李興吉 충주대 2000 한국교통대학교 논문집 Vol.35 No.2
This study has been directed to evaluate the effects of geogrid reinforcement in a medium dense sand on the ultimate soil-bearing capacity of a surface foundation.Based on the model tests, the maximum depth of reinforcement and optimum size of geogrid layers to mobilize maximum bearing capacity ratio has been determined.On these tests, the effect of the initial allowable static load on foundation settlement have been determined. Comparison of the settlements of unreinforced and geogrid reinforced sand subgrades for different numbers of load cycles have been made.The test results indicate that use of geogrid reinforcement in sand subgrades improves their performance static loads.
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