• Title/Summary/Keyword: settlement system

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Analysis of Relative Settlement Behavior of Retaining Wall Backside Ground Using Clustering (군집분류를 이용한 흙막이 벽체 배면 지반의 상대적 침하거동 분석)

  • Young-Jun Kwack;Heui-Soo Han
    • The Journal of Engineering Geology
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    • v.33 no.1
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    • pp.189-200
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    • 2023
  • As urbanization and industrialization increase development in downtown areas, damage due to ground settlement continues to occur. Building collapse in urban has a high risk of leading to large-scale damage to life and property. However, there has rarely been studied on measurement data analysis methods when uneven loads are applied to the excavated ground and no prior knowledge of the ground. Accordingly, it was attempted to analyze the relative settlement behavior and correlation by processing the time-series surface settlement of construction sites in the urban. In this paper, the average index of difference in settlement and average of relative difference in settlement are defined and calculated, then plotted in the coordinate system to analyze the relative settlement behavior over time. In addition, since there was no prior knowledge of the ground, a standard to classify the clusters was needed, and the observation points were classified into using k-means clustering and Dunn Index. As a result of the analysis, it was confirmed that all the clusters moved to the stable region as the settlement amount converges. The clusters were segmented. Based on the analysis results, it was possible to distinguish between the independent displacement area and same behavior area by analyzing the correlation between measurement points. If possible to analyze the relative settlement behavior between the stations and classify the behavior areas, it can be helpful in settlement and stability management, such as uplift of the surrounding area, prediction of ground failure area, and prevention of activity failure.

Analysis of correlation between shield TBM construction field data and settlement measurement data (쉴드 TBM 시공데이터와 지반침하 계측데이터 간 상관성 분석)

  • Jung, Ye-Rim;Nam, Kyoung-Min;Kim, Han-Eol;Ha, Sang-Gui;Yun, Ji-Seok;Cho, Jae-Eun;Yoo, Han-Kyu
    • Journal of Korean Tunnelling and Underground Space Association
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    • v.24 no.1
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    • pp.79-94
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    • 2022
  • The demand for tunnel construction is increasing as part of underground space development due to urban saturation. The shield TBM method minimizes vibration and noise and minimizes ground deformation that occurs simultaneously with excavation, and shield TBM is generally applied to tunnel construction in urban areas. The importance of urban ground settlement prediction is increasing day by day, and in the case of shield TBM construction, ground deformation is minimized, but ground settlement due to tunnel excavation inevitably occurs. Therefore, in this study, the correlation between shield TBM, which is highly applicable to urban areas, and ground settlement is analyzed to suggest the shield TBM construction factors that have a major effect on ground settlement. Correlation analysis was performed between the shield TBM construction data and ground settlement measurement data collected at the actual site, and the degree of correlation was expressed as a correlation coefficient "r". As a result, the main construction factors of shield TBM affecting ground settlement were thrust force, torque, chamber pressure, backfill pressure and muck discharge. Based on the results of this study, it is expected to contribute to the presentation of judgment criteria for major construction data so that the ground settlement can be predicted and controlled in advance when operating the shield TBM in the future.

A Study on satisfaction of year-end-settlement for employee (근로소득자들의 연말정산 만족도에 관한 연구)

  • Kim, Hyoung-Gu;Sunwoo, Young-Soo
    • Journal of the Korea Society of Computer and Information
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    • v.14 no.8
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    • pp.153-159
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    • 2009
  • This study focuses on how the recognition of year-end-settlement affected on the effectiveness of individual tax return according to the tax law and its influence on the participation of employee. After the careful analysis, the founding of the satisfaction level of workers from the annual tax return can be summarized as follows: When the knowledge of year-end-settlement is high, it influences positively on the effectiveness of tax return for workers. The recognition of tax return system is the main ingredient to increase the participation of the tax return. Although the recognition of year-end-settlement did not affect on the satisfaction of workers directly, effectiveness of tax deduction and the participation in the year-end-settlement are closely linked to the satisfaction level of tax return, It is confirmed that when the recognition of year-end-settlement is high. the more people actively participate in year-end-settlement and it contribute to the positive effect on the satisfaction level of employee, As a result, it is very important to find the ways to promote and educate annual tax return system to workers as well as revise the tax law to maximize the year-end-settlement for employee.

Subsidence Measurements of Reclaimed Coastal Land using Satellite Radar Interferometry (위성 레이더 인터훼로메트리를 이용한 연안 매립지의 지반침하량 측정)

  • Kim, Sang-Wan;Won, Joong-Sun
    • Proceedings of the Korean Geotechical Society Conference
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    • 2004.03b
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    • pp.219-226
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    • 2004
  • We measure subsidences occurred in a reclaimed coastal land, Noksan industrial complex, by using JERS-1 SAR (1996-1998) and RADARSAT-1 SAR (2002-2003) dataset. SAR with a high spatial resolution (about several or several tens meter) can reveal the two-dimensional distribution of settlement that would be bardly estimated from in situ measurements. The DInSAR results show significant deformation signal associated with soil consolidation. Accuracy of the settlements estimated by 2-pass differential interferometry (DInSAR) is evaluated using the measurements of settlement gauge. A two-dimensional subsidence map is constructed from 7 qualified pairs. Comparing the JERS-1 radar measurements with the ground truth data yields the correlation coefficient of 0.87 (RMSE of 1.44 cm). The regression line shows the gradient of 1.04 and intercepts close to the origin, which implies that the unbiased settlement can be measured by DInSAR technique. The residual settlements are also detected from RADARSAT-1 pairs. The extent and amount of the settlements are matched well with ground truth data.

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Recent Trends and Use of International Commercial Mediation in The Area of Intellectual Property Rights - Focused on the WIPO Mediation (지식재산권 분야의 국제상사조정제도와 활용 - WIPO조정을 중심으로)

  • YI, LORI
    • Journal of Arbitration Studies
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    • v.31 no.2
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    • pp.77-98
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    • 2021
  • International commercial mediation of intellectual property rights fully meets the interests of the parties in such disputes in terms of their needs for neutral forum of dispute resolution, cost-effective settlement, objective opinion of relevant experts, internationally enforceable solution. In addition, as a procedural flexibility, respected self-determination of the parties, exploration of possible creative business solutions, maintenance of business relationship and confidentiality of mediation are major characteristics which can be competitively differentiated from the lawsuit or arbitration. The settlement agreement as a result of the WIPO mediation has an effect of contract while the settlement agreement as a result of most domestic ones has an effect of judicial reconciliation which can be domestically enforced. The latter is not subject to the application of the Singapore Convention on Mediation which establishes a harmonized legal framework for the right to invoke settlement agreements as well as for their enforcement. The WIPO international mediation system and its experience may be a good reference for Korea to take an initiative to establish a globally competitive international mediation system in the area of intellectual property rights.

Inspeciton for Ground Settlement and Its Contermeasurement Under ${\bigcirc}{\bigcirc}$-Station Passenger Way Adjacent to Ground Excavation (${\bigcirc}{\bigcirc}$역사 지하철 환승통로 주변지반 침하 원인 및 대책에 관한 연구)

  • Yoon, Tae-Gook;Choo, Jin-Ho;Kim, Hong-Kyun;Ko, Hee-Kyu;Han, Dong-Eun
    • Proceedings of the KSR Conference
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    • 2011.10a
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    • pp.2879-2884
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    • 2011
  • Ground settlement has been occurred at asphalt pavement above ${\bigcirc}{\bigcirc}$ station passenger way adjacent to ground excavation with SPS method. In this study, emergency inspection has been conducted 4 detailed areas by KISTEC; SPS, sewage box, 50m box in subway, and ${\bigcirc}{\bigcirc}$ station. Field description and previous reports have been analyzed with the elapsed years. Not only precise inspection with several NDTs but also stability analysis by FLAC have been performed to estimated the tendency of settlement at sunk pavement area. Additional monitoring system and water analysis from sewage and SPS have been examined to scrutinize the reason and maintenance for settlement.

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The Responsibility of Related Parties for the Development of Online Dispute Resolution (온라인 분쟁해결의 발전을 위한 관련 당사자의 책임)

  • Ahn, Je-Woo
    • Journal of Arbitration Studies
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    • v.16 no.1
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    • pp.219-251
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    • 2006
  • As the scale of electronic commerce increases more and more, disputes in the electronic commerce also happen more frequently. As the development of electronic commerce is difficult without smooth settlement of dispute, the pursue of smooth settlement of dispute is very important. Regarding smooth settlement of dispute, the way of dispute settlement through Online Dispute Resolution(ODR) is pursued positively nowadays. However the responsibility of related parties still remains to complete such system. This paper divides related parties into the parties(seller, buyer), ODR providers, the neutral dispute resolver, and the governments. Later this paper examines the responsibility of related parties. As related parties complete their own responsibility, electronic commerce may develop more and more. Furthermore through the development of electronic commerce all nations will enjoy mutual benefit.

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A Study on the Spatial Form of the Port Settlement of Rivershore in Sangbu Village, Samrangjin (낙동강변 하항취락의 공간구성에 관한 연구 -밀양시 삼랑진읍 상부(上部)마을을 대상으로-)

  • Park, Chung-Shin;Cho, Sung-MIn;Kim, Tai-Young
    • Journal of the Korean Institute of Rural Architecture
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    • v.9 no.2
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    • pp.41-48
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    • 2007
  • This paper aims to clarify the Spatial Form of the Port Settlement of Rivershore in Nakdong-river. The web of road is composed of three basic elements, kyeongjeon-seon railroad, inner old coastal street, a narrow gauge railway. The basic road system is composed of Hon-machi dori (Main street) parallel to the coastal line and three perpendicular roads. According to these road patterns, plot of the lands in the block are formed into distinctive trapezoidal shape. To conclude, the Spatial Form of Samrangjin's Port Settlement might explain as a relation of Rivershore's shape and marketplace's spatial form.

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A Study on Settlement System of Disputes in Electronic Commerce (전자거래 분쟁해결 제도에 관한 소고 - 분쟁해결기관을 중심으로 -)

  • 강이수
    • Journal of Arbitration Studies
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    • v.13 no.2
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    • pp.69-102
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    • 2004
  • This paper discusses about the e-commerce and the various types of e-commerce disputes. Through empirical examination on the dispute consideration system and by comparative analysis it is derived out of the weakness of current system and finally some suggestions for improvement. First, it is recommended that the more sophisticated knowledge concerning e-commerce should be proliferated through the existing institutions. For example, disputes for B2C could be managed by the consideration system of consumer dispute consideration in Consumer Protection Board of Korea, while B2B by the arbitration system of the Korean Commercial Arbitration Board. Second, the role of Korea Institute for Electronic Commerce established for the purpose of consideration of e-commerce disputes is much emphasized. For successful achievement, it is necessarily required to reinforce the related laws, systems, institutions and human resources. Finally, it is also suggested that the Korean Commercial Arbitration Board and Consumer Protection Board of Korea fully cover consideration and arbitration, while Korea Institute for Electronic Commerce activates its proper role of consulting and ad hoc arbitration by using electronic information. This study results are how to minimize the disputes and the method of dispute settlement. Therefore, a role of arbitration proposed and emphasized. To protect the dispute in advance, it's suggested to revise rules timely following on technical changes, and emphasized that the dispute has to lead to arbitration settlement not for consuming unnecessary time and finance for enterprises and consumers.

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Piled-Raft Foundation on Soft Clay in Gimhae Area (연약점토지반 Piled-Raft 기초의 김해지역에서의 적용성)

  • 서영교
    • Journal of Ocean Engineering and Technology
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    • v.18 no.3
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    • pp.20-25
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    • 2004
  • For the structural foundation above the soft clay layer conditions, the design charts are first presented for the evaluation of both bearing capacity and total settlement in the basic raft foundation system. wad settlement relationship curves are used to evaluate the ultimate soil bearing capacity. The total settlement is evaluated by applying various traditional factors into the ultimate bearing capacity. Then, the parametric studies are carried out for the piled-raft foundation system. In the numerical analysis, the elasto-pastic finite element model(Mohr-Coulomb model) is used to present the foundation response and design charts, which enable the determination of the raft size and pile length and spacing.