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RISS 인기검색어
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- 저자 : 이광준(Lee Kwang Joon) (검색결과 21 건)
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지반개량재 혼합에 따른 해안점토와 사질토에서의 강도증진에 관한 연구
이광준,Lee, Kwang-Joon 한국지하수토양환경학회 2009 지하수토양환경 Vol.14 No.3
본 연구는 해안점토 또는 육상의 사질토에 지반개량재를 혼합하였을 때 어떤 강도변화를 보이는지에 관한 것이다. 철광석을 제련할 때 부산물인 슬래그와 제지류 소각할 때 생기는 paper fly ash를 일정한 비율로 혼합하여 지반개량재를 만들었다. 이러한 지반개량재를 해안점토와 육상의 사질토에 혼합한 후 함수비, 양생일, 혼합비 등으로 구분하여 일축압축강도 시험용 공시체를 제작하였다. 공시체가 28일간 양생되는 동안 일축압축강도의 변화와 생성물질의 변화를 분석하였다. 강도분석 결과 육상의 사질토보다 해안점토에서 최대 11배 정도의 강도증가의 효과가 나타났는데, 이는 지반개량재로 인한 ettringite 반응이 사질토보다 해안점토에서 명확하게 보여주는 것을 의미한다.
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이광준 ( Kwang-joon Lee ),권영호 ( Young-ho Kwon ) 한국환경기술학회 2006 한국환경기술학회지 Vol.7 No.2
The purpose of this study clarifies characteristics of a new SLSM(surface layer stabilization method) which is using waste residual from incineration, as hardening agent and is possible to grow plant on the improved ground. The necessity of research for an ultra-soft marine clay surface stabilization method is increasing with each passing day because large dredging and reclamation constructions such as a Saemankum project have been performing briskly both the West and the East coast in Korea. Therefore, this paper investigate the increasement of quality about soft ground improvement material using waste residual(paper fly ash, coke ash, slag). Through this study the authors have analyzed the strength improvement of mixed soft silty clay with improvement materials. The strength of mixed soils with high mixture ratio and more curing days increased. CA-30(cokes 60%) make more low strength improvement than others. Therefore the authors find out that paper fly ash+coal fly ash, paper fly ash+slag or coal fly ash+slag improvement material is more effect in improvement of soft silty clay than cokes+cement. Ettringite reaction effect is more increase in two waste mixed materials than one waste mixed materials.
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점질토와 사질토에서의 지반개량재 혼합에 따른 압축강도반응에 관한 연구
이광준 ( Kwang-joon Lee ) 한국환경기술학회 2009 한국환경기술학회지 Vol.10 No.2
As the blast furnace slag is generated by smelting the iron ore, burning up the paper causes paper fly ash as by-products. These waste residuals by fire are used a lot to improve soft ground. This research reports what the change of strength is, if ground improvement material is added to either coastal clay or silty sandy soil. Therefore, after the target soil for ground improvement was divided coastal soil into silty sandy soil, the characteristics of the reaction of ground improvement was re-examined. First ground improvement material was added to each soil and then it was separated by a function ratio, curing days and a mixed rate and so on. Then the changes of uniaxial compress strength test and the generated substances were analyzed. As a result of experiment, the effect of ground improvement material on the coastal clay was clear. Instead, that on silty sandy soil was little. For 28 curing days, in terms of increase in strength, the effect on coastal clay was eleven times more than that on silty sand soil. It shows that the higher the mixed rate of ground improvement is, the higher ettringite reaction is.
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이광준 ( Kwang-joon Lee ),권영호 ( Young-ho Kwon ) 한국환경기술학회 2009 한국환경기술학회지 Vol.10 No.1
In this study, the QUAL2E model was selected to forecast the water quality of Yo-Cheon. The quality of water forecast object district did with the Yo Cheon Bridge which was the WolSeokgyo from down stream which was the upper stream of Yocheon, divided by summer and winter and carried out a forecast. The simulated target water quality constituents are biochemical oxygen demand(BOD), total nitrogen(T-N), and total phosphorus(T-P). The forecasting item measured BOD because BOD was a total pollution loads controll goal water quality A revision of a QUAL2E model and verification results Yo Cheon were able to know that application was possible and compared reliability to other river and appeared a little low. It is the best, and it can know that it is discharged Namwon sewage disposal plant process medical charge Yo Cheon in Yo Cheon B, and it is joined with SeomJinGang as the BOD measurement results in 2006 to have appeared. Water of Yo Cheon is used as Nam won-si will of the people drinking water in this study, but be devoted to recognize through a suitable future quality of water forecast to put through, and backing doing this || what kind of || studied whether must take action As for the quality of water of Yo Cheon, it is forecasted now and the which are water resource not particular in the future.
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이광준(Kwang-Joon Lee) 한국엔터테인먼트산업학회 2009 한국엔터테인먼트산업학회논문지 Vol.3 No.2
In times past, the waterproof layer in the reclaimed land has been made using the soil materials like a clayey soil or loam having very low permeability. Recently the method using Bentonite has been universally used. The concept of the method make the permeability of the waterproof layer low by mixing Bentonite to in-site soil that has relatively high permeability. The thickness of the waterproof layer is about 1m and the waterproof capacity of this method is dominated by the waterproof capacity of the using waterproof material and construction method. Therefore the compaction and permeability characteristics of the mixed soil material(in-site soil+Bentonite) were investigated in this study through a series of compaction tests and falling head permeability tests.
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이광준 ( Kwang Joon Lee ) 한국연극학회 2009 한국연극학 Vol.0 No.37
Basing the theory of rituals on Edward Albee`s fieldwork in tribal societies of South Central Africa, Victor Turner argues that ritual is the field in which the anti-structural modality of human sociality emerges, and thereby it plays a fundamental role in the process of social life. Turner defines the basic characteristics of ritual as collective, subversive, and therapeutic. In the light of Turner`s insights into ritual, dramatic ritual could also be characterized by its three traits; collective, subversive, and therapeutic. According to Turner`s explanation, ritual symbolically duplicates a collective anarchical experience of a given society in the course of passing a former social state to a new state. Through the reproduction of such anarchical, but playful state, he explains that ritual results in subverting certain negative norms in favor of fostering social progress. He concludes that through the ritual drama, the audience can be free from the normative constraints incumbent upon occupying a sequence of social statuses, enacting a multiplicity of social roles, and being acutely conscious of membership in some corporate group such as a family, lineage, clan, or nation. Being highlighted as the vanguard of a new generation in American stage since World War II, Edward Albee harshly attacks commercial plays of Broadway. He argues that what we call absurd drama is actually very much `realistic` since it attempts to unveil the true nature of our reality while most of those Broadway plays are nothing but the absurd illusions and therefore truly absurd in that they prevent us from facing reality as it really is. In order to help us unveil the true nature of our reality and face the reality, Edward Albee tries to employ some ritual elements in his plays. What is the nature of the ritual elements Albee employs in his plays? Martain Esslin argues that both drama and ritual are collective experience. He thinks historically drama and religion are very closely linked with each other in the they have a common root in religious ritual. He explains what links ritual and drama is collective experiences with the three-cornered reinforcement of feed-back from performer to audience, from audience to audience. According to him. the audience-and each individual in it-must be able to experience its own identity; ritual drama is one of the means by which a primitive as well as a highly developed society experiences this identity. He says, “And in ritual as in drama the aim is an enhanced level of consciousness, a memorable insight into the nature of existence, and a renewal of strength to face the world”(Esslin 1977, 28). Some of Albee`s social plays, especially The Zoo Story, The American Dream possess such ritualistic traits. By using theater as an instrument of social renewal, Albee attempts to reveal, attack, and remedy certain negative norms which interrupt the social progress of the contemporary American society, and eventually leads audience to face reality as it really is. These ritual traits are also present in other modern plays as well as Albee`s plays, however, are very symbolic and stylized enough to exemplify those traits. In conclusion, Albee`s plays are good examples to illustrate how drama is originated from ancient ritual and in what respects modern drama is inclined to return to ritual.
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