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Journal of the Korean Geosynthetic Society最新文献

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Development of Knowledge-based Study on Optimized NATM Lining Design System 基于知识的优化NATM衬砌设计系统研究进展
IF 0.5
Journal of the Korean Geosynthetic Society Pub Date : 2018-12-01 DOI: 10.12814/JKGSS.2018.17.4.251
Ju-Sang Song, C. Yoo
{"title":"Development of Knowledge-based Study on Optimized NATM Lining Design System","authors":"Ju-Sang Song, C. Yoo","doi":"10.12814/JKGSS.2018.17.4.251","DOIUrl":"https://doi.org/10.12814/JKGSS.2018.17.4.251","url":null,"abstract":"This paper concerns the development of an optimized NATM secondary lining design system for a subsea tunnel. The subsea tunnel is normally laid down under the sea water and submarine ground which consists of soil or rock. The design system is the series of process which can predict lining member forces by ANN (artificial neural network system), analyze suitable section for the designated ground, construction and tunnel conditions. Finally, this lining design system aims to be connected for designing the subsea tunnel automatically. The lining member forces are predicted based on the ANN which was calculated by a FEM (finite element analysis) and it helps designers determine its lining dimension easily without any further FEM calculations.","PeriodicalId":42164,"journal":{"name":"Journal of the Korean Geosynthetic Society","volume":"12 7","pages":"251-265"},"PeriodicalIF":0.5,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72508179","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
The Study on The Numerical Analysis Method for Ground Improved by Cement Mixing Method 水泥搅拌法加固地基的数值分析方法研究
IF 0.5
Journal of the Korean Geosynthetic Society Pub Date : 2018-12-01 DOI: 10.12814/JKGSS.2018.17.4.041
Byungill Kim, Kang-Han Hong, Young-Seon Kim, Sang-jae Han
{"title":"The Study on The Numerical Analysis Method for Ground Improved by Cement Mixing Method","authors":"Byungill Kim, Kang-Han Hong, Young-Seon Kim, Sang-jae Han","doi":"10.12814/JKGSS.2018.17.4.041","DOIUrl":"https://doi.org/10.12814/JKGSS.2018.17.4.041","url":null,"abstract":"Since the composite ground design method is easy to apply for calculation or numerical analysis, it is applied to the design of cement mixing methods. However, the comparison studies between analysis and actual results such as a trial test and construction for the cement mixing method are few because the composite ground design method was developed for the compaction pile (SCP, GCP) methods. In this study, the results of various analysis methods, such as the composite ground analysis method (1 case) and the individual pile method (3 cases), were compared with actual measurements through a two-dimensional finite element numerical analysis. In case of the surface settlements, the results of study show that the individual plate method was larger than the actual measurements, while other methods are similar. The settlements at the under ground of the improved area is overestimated in all analysis methods. When comparing numerical analysis results for the horizontal displacement, and ground reaction forces, the individual pile method in equivalent wall concept was found to be the most similar to the measurements. The composite ground method was not able to predict the behavior of stress transfer (Arching effect) and it turned out that the prediction of horizontal displacement was too large.","PeriodicalId":42164,"journal":{"name":"Journal of the Korean Geosynthetic Society","volume":"46 1","pages":"41-52"},"PeriodicalIF":0.5,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88164868","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Controlled Low Strength Material for Emergency Restoration Using Bottom Ash and Gypsum 底灰石膏应急修复控制低强度材料
IF 0.5
Journal of the Korean Geosynthetic Society Pub Date : 2018-06-01 DOI: 10.12814/JKGSS.2018.17.2.019
So-Yeon Lee, H. Yoon, Min Son, J. Kong, Hyuk-sang Jung
{"title":"Controlled Low Strength Material for Emergency Restoration Using Bottom Ash and Gypsum","authors":"So-Yeon Lee, H. Yoon, Min Son, J. Kong, Hyuk-sang Jung","doi":"10.12814/JKGSS.2018.17.2.019","DOIUrl":"https://doi.org/10.12814/JKGSS.2018.17.2.019","url":null,"abstract":"Recently the ground subsidence which seriously weakens the safety of cities tends to increase. The purpose of this paper is to develop the materials by using industrial by-products for the application to emergency restoration process in case of ground subsidence. In this paper the laboratory tests including pH test, initial setting test, unconfined compressive strength test, and flow test were performed in order to evaluate the design properties of Controlled Low Strength Material (CLSM). The field test was carried out for evaluating the performance for the early strength of CLSM and the workability for emergency restoration. Test results showed that the strength will be too high to re-excavate the ground when the cement ratio is more than 4%. The optimum mixing ratio appears to be most effective when the mixing ratio of the bottom ash and the gypsum is approximately 50:50 and the cement content is 2%.","PeriodicalId":42164,"journal":{"name":"Journal of the Korean Geosynthetic Society","volume":"11 1","pages":"19-31"},"PeriodicalIF":0.5,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87881524","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Evaluation of Performance of Expansive Material for Restoration of Underground Cavity and Stress Release Zone 地下空腔及应力释放区修复膨胀材料性能评价
IF 0.5
Journal of the Korean Geosynthetic Society Pub Date : 2018-01-01 DOI: 10.12814/JKGSS.2018.17.4.141
Kicheol Lee, Byeong-Hyun Choi, J. Bak, Dongwook Kim
{"title":"Evaluation of Performance of Expansive Material for Restoration of Underground Cavity and Stress Release Zone","authors":"Kicheol Lee, Byeong-Hyun Choi, J. Bak, Dongwook Kim","doi":"10.12814/JKGSS.2018.17.4.141","DOIUrl":"https://doi.org/10.12814/JKGSS.2018.17.4.141","url":null,"abstract":"Recently, the number of ground subsidence resulting from underground cavity has been increased. Accordingly, the importance of restoration of stress release zone around the underground cavity has been emphasized. The stress release zone is composed of low density soils having extremely low stiffness and degree of compaction, which can lead to additional cavity expansion and collapse of overlying ground. Therefore, in this study, the suitability of restoration method of underground cavity using expansive material for reinforcement of stress release zone around the cavity is verified. The basic physical properties and expansion characteristics of the expansive material were examined. The experiment equipment capable simulating of stress release zone was developed and is used to investigate the effect of expanding material on stress release zone. The stress release zone was simulated using the spring in numerical analysis. The factors of the volume ratio of the underground cavity to the expansion material, the degree of stress relaxation, and the shape of the cavity were varied in numerical simulations, and the behavior of stress release zone was analyzed based on the numerical analysis results. Analysis variables are factors that affect each other. Also, filling of underground cavity and capacity of restoration of stress release zone were confirmed when the expansive material was inserted into underground cavity.","PeriodicalId":42164,"journal":{"name":"Journal of the Korean Geosynthetic Society","volume":"6 1","pages":"141-155"},"PeriodicalIF":0.5,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86664363","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Analysis of Helical Pile Behavior in Sands Varying Helix Pitch Based on Numerical Analysis Results 基于数值分析结果的变螺旋节距沙地螺旋桩性能分析
IF 0.5
Journal of the Korean Geosynthetic Society Pub Date : 2018-01-01 DOI: 10.12814/JKGSS.2018.17.4.029
J. Bak, Kicheol Lee, Byeong-Hyun Choi, Dongwook Kim
{"title":"Analysis of Helical Pile Behavior in Sands Varying Helix Pitch Based on Numerical Analysis Results","authors":"J. Bak, Kicheol Lee, Byeong-Hyun Choi, Dongwook Kim","doi":"10.12814/JKGSS.2018.17.4.029","DOIUrl":"https://doi.org/10.12814/JKGSS.2018.17.4.029","url":null,"abstract":"캐나다 및 베네수엘라에 주로 분포하는 오일샌드는 원유들이 모래질 흙의 간극에 존재한다. 이러한 오일샌드로부터 원유를 따로 추출하기 위해서는 규모가 큰 플랜트를 건설해야 한다. 일반적으로 오일샌드 플랜트의 기초는 주로 항타말뚝 혹은 현장타설말뚝이 사용되고 있다. 하지만 주로 극지에 위치한 오일샌드는 얼어있...","PeriodicalId":42164,"journal":{"name":"Journal of the Korean Geosynthetic Society","volume":"28 1","pages":"29-40"},"PeriodicalIF":0.5,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77157899","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Analysis of Behavior on GCP Composite Ground Considering Loading and Foundation Conditions 考虑荷载和地基条件的GCP复合地基性能分析
IF 0.5
Journal of the Korean Geosynthetic Society Pub Date : 2018-01-01 DOI: 10.12814/jkgss.2018.17.1.127
김경업, 박경호, 김대현
{"title":"Analysis of Behavior on GCP Composite Ground Considering Loading and Foundation Conditions","authors":"김경업, 박경호, 김대현","doi":"10.12814/jkgss.2018.17.1.127","DOIUrl":"https://doi.org/10.12814/jkgss.2018.17.1.127","url":null,"abstract":"","PeriodicalId":42164,"journal":{"name":"Journal of the Korean Geosynthetic Society","volume":"51 1","pages":"127-137"},"PeriodicalIF":0.5,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87990941","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Artificial Intelligence (AI)-based Deep Excavation Designed Program 基于人工智能(AI)的深基坑设计方案
IF 0.5
Journal of the Korean Geosynthetic Society Pub Date : 2018-01-01 DOI: 10.12814/jkgss.2018.17.4.277
C. Yoo, Haider Aizaz, Q. Abbas, Jaewon Yang
{"title":"Artificial Intelligence (AI)-based Deep Excavation Designed Program","authors":"C. Yoo, Haider Aizaz, Q. Abbas, Jaewon Yang","doi":"10.12814/jkgss.2018.17.4.277","DOIUrl":"https://doi.org/10.12814/jkgss.2018.17.4.277","url":null,"abstract":"","PeriodicalId":42164,"journal":{"name":"Journal of the Korean Geosynthetic Society","volume":"6 1","pages":"277-292"},"PeriodicalIF":0.5,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80699233","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Investigation of Behaviours of Wall and Adjacent Ground Considering Shape of Geosynthetic Retaining Wall 考虑土工合成挡土墙形状的墙体与相邻地基性能研究
IF 0.5
Journal of the Korean Geosynthetic Society Pub Date : 2018-01-01 DOI: 10.12814/jkgss.2018.17.1.095
Jonghyun Lee, 오동현, S. Kong, J. H. Sang, Yong-Joo Lee
{"title":"Investigation of Behaviours of Wall and Adjacent Ground Considering Shape of Geosynthetic Retaining Wall","authors":"Jonghyun Lee, 오동현, S. Kong, J. H. Sang, Yong-Joo Lee","doi":"10.12814/jkgss.2018.17.1.095","DOIUrl":"https://doi.org/10.12814/jkgss.2018.17.1.095","url":null,"abstract":"Recently, GRS (Geosynthetic Retaining Segmental) wall has been widely used as a method to replace concrete retaining wall because of its excellent structural stability and economic efficiency. It has been variously applied for foundation, slope, road as well as retaining wall. The GRS wall system, however, has a weak point that is serious crack of wall due to stress concentration at curved part of it. In this study, therefore, behaviour of GRS wall according to shape of it, shich has convex and concave, are analysed and compared using Finite Element analysis as the fundamental study for design optimization. Results including lateral deflection, settlements of ground surface and wall obtained from 2D FE analysis are compared between straight and curved parts from 3D FE analysis.","PeriodicalId":42164,"journal":{"name":"Journal of the Korean Geosynthetic Society","volume":"49 1","pages":"95-109"},"PeriodicalIF":0.5,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84369696","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Prediction of Slope Failure Using Control Chart Method 用控制图法预测边坡失稳
IF 0.5
Journal of the Korean Geosynthetic Society Pub Date : 2018-01-01 DOI: 10.12814/jkgss.2018.17.2.009
박성용, 장동수, 정재훈, Kim Young Ju, Kim Yongseong
{"title":"Prediction of Slope Failure Using Control Chart Method","authors":"박성용, 장동수, 정재훈, Kim Young Ju, Kim Yongseong","doi":"10.12814/jkgss.2018.17.2.009","DOIUrl":"https://doi.org/10.12814/jkgss.2018.17.2.009","url":null,"abstract":"In this study, a field model experiment was performed to analyze the bahavior of slope during failure. It was analyzed through x-MR control chart method with inverse displacement and K-value. As a result, the portent was confirmed at 4 minutes before slope failure in Case 1. The change of the control limit line according to moving range was analyzed and it was effective to apply K = 3. Use of the inverse displacement and x-MR control chart method will be useful for the prediction of abnormal behavior through quick and objective judgment. Prediction of slope failure using control chart method can be used as basic data of slope measurement management standard, and it can contribute in reduction of life and property damage caused by slope disaster.","PeriodicalId":42164,"journal":{"name":"Journal of the Korean Geosynthetic Society","volume":"1 1","pages":"9-18"},"PeriodicalIF":0.5,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90153096","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Evaluation on Behavior Characteristics of a Pocketable Expansion Material for Ground Cavity Based on Wheel T racking Test Results 基于车轮履带试验结果的地面空腔可伸缩材料性能评价
IF 0.5
Journal of the Korean Geosynthetic Society Pub Date : 2018-01-01 DOI: 10.12814/JKGSS.2018.17.1.075
Jeongjun Park, 김주호, 김기성, Dongwook Kim, G. Hong
{"title":"Evaluation on Behavior Characteristics of a Pocketable Expansion Material for Ground Cavity Based on Wheel T racking Test Results","authors":"Jeongjun Park, 김주호, 김기성, Dongwook Kim, G. Hong","doi":"10.12814/JKGSS.2018.17.1.075","DOIUrl":"https://doi.org/10.12814/JKGSS.2018.17.1.075","url":null,"abstract":"This paper described a results of dynamic stability by using wheel tracking test and unconfined compression test, in order to evaluate behavior characteristics on the developed pocketable expansion material for emergency restoration of ground cavity. The wheel tracking test result showed that the settlement increment ratio of the recovered ground by the expansion material was decreased compared to the sandy ground in high load condition. That is, it was confirmed that the expansion material was able to restrain the settlement due to the material stiffness, and the same results were obtained for the dynamic stability evaluation results. From the results of unconfined compression test, the pocketable expansion material was found to be able to fully support load on the restored cavity.","PeriodicalId":42164,"journal":{"name":"Journal of the Korean Geosynthetic Society","volume":"104 1","pages":"75-83"},"PeriodicalIF":0.5,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84624365","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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