• Title/Summary/Keyword: Return Level

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A Study on the good use of Construction Management Model based on BIM (CM(ConstructionManagement)에의 효율적 BIM활용에 관한 연구)

  • Min, Young-Gi;Kim, Kyung-Jun
    • Journal of The Korean Digital Architecture Interior Association
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    • v.10 no.3
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    • pp.87-95
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    • 2010
  • The CM(Construction Manager) of D-university has been seeking the advice of my BIM-team to adopt CM(Construction Management) and BIM best practices to improve project delivery results, and has authored best practice reports for spatial validation, BIM, 3D, 4D and 5D performance. Building Information Modeling(BIM) Process, Integration, and Adoption looks at BIM implementation from a company and project level laying out a process for companies to use BIM. Following this studies, participants will be able to: 1. BIM participants has been creating a BIM process diagram for a project, and has been evaluating and selecting process options for a specific BIM project. 2. BIM participants has been describing the roles and responsibilities of participants in the BIM process, and has been communicating the BIM process to management, colleagues, and project stakeholders. 3. BIM participants has been identified consistent factors influencing BIM return on investment at the project level and the company level, and has been outlining a process for BIM adoption on the project level and company level.

A Study on Low-flow Frequency Analysis Using Dam Inflow (댐 유입량 자료를 이용한 갈수빈도해석에 대한 연구)

  • Jung, Younghun;Nam, Woo Sung;Shin, Hongjoon;Heo, Jun-Haeng
    • KSCE Journal of Civil and Environmental Engineering Research
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    • v.32 no.6B
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    • pp.363-371
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    • 2012
  • In this study, the low-flow frequency analysis was performed to determine the low-flow standard of dam maintenance flow for Hwacheon and Chuncheon dams. For this purpose, two methods (case 1: low-flow frequency analysis using the monthly inflow data of the specified return periods, case 2: low-flow frequency analysis using the difference of monthly accumulated inflow) were applied. As a result, it is found that the monthly inflow data of the return periods by reflecting the statistical characteristics of Hwacheon and Chuncheon dams can be utilized to determine the standard of maintenance flow or water level.

Numerical computation of turbulent flow in a square sectioned $180^{\circ}$ bend by low-Reynolds-number second moment turbulence closure (저레이놀즈수 2차 모멘트 난류모형에 의한 정사각단면의 $180^{\circ}$ 곡덕트 난류유동의 수치해석)

  • Sin, Jong-Geun;Choe, Yeong-Don
    • Transactions of the Korean Society of Mechanical Engineers B
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    • v.20 no.8
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    • pp.2650-2669
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    • 1996
  • A new low Reynolds number nonlinear second moment turbulence closure was introduced to analyze a square sectioned 180.deg. bend flow. Inclusion of nonlinear return to isotropy term and cubic mean pressure strain term has brought out a marked improvement in the level of agreement with measured velocity profiles. Optimization of present closure was performed by comparison of computed velocity profiles with the experimental ones with variation of nonlinear return to isotropy term and quadratic and cubic pressure-strain model. Progressive vortex breakdown due to the interaction of primary and secondary flows was well captured by using the optimized second moment turbulence closure.

A Design of the Wideband Microstrip Patch Antenna Using Three-dimensional Transition (3차원 트랜지션을 이용한 광대역 마이크로스트립 패치 안테나의 설계)

  • 정창권;강치운;윤서용;이봉석;김우수;이문수
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.3 no.2
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    • pp.305-311
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    • 1999
  • In this paper, it is designed a new type single layer patch antenna which is printed on a very thin film and separated from the ground-plane by foam with a low permitivity of 1.06 and a high thickness of around quarter wavelength. It allows the use of three-dimensional transition, from one level to another, so that its bandwidth can be enhanced by wideband impedance matching. The radiation pattern, return loss, and VSWR of the antenna are calculated using "IE3D" simulation package, and compared with the experimental results. Experimental results show that the bandwidth is about 65% of center frequency 6.8 GHz, return loss and VSWR are in a fairly good agreement with the calculations.culations.

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An analysis of unplanned reoperation ('계획에 없던 재수술' 의 분석)

  • Kim, Eun-Gyung;Cho, Sung-Hyun;Kim, Chang-Yup;Oh, Byung-Hee
    • Quality Improvement in Health Care
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    • v.2 no.1
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    • pp.118-124
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    • 1995
  • Background: Clinical indicators are objective measures of process or outcome of patient care in quantitative terms. This study aims to review the medical records of patients who 'return to operating room during the same admission', which is one of the critical clinical outcomes, and describe the result by unplanned reoperation rate. Methods: Computerized patient registry was used for selecting subject conditions. For medical records retrieved, two nurse evaluators identified the presence of explicit reoperation planning in medical records. Results: Overall reoperation rate was 2.8% and unplanned reoperation rate 1.3%. The main category of reoperation cause was the postoperative bleeding. Duration of stay from previous operation to reoperation of the unplanned group, 12.7 days, was shorter than that of the planned(p< .05). The differences did not reach statistical significance in age, sex and length of stay. Conclusion: Results suggested that unplanned reoperation rate was lower than 'threshold' level other institutions had established. However, this result could become comparable only after management of medical records would be improved and risk adjusted.

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Principle of Rehabilitation after the Arthroscopic Anterior Cruciate Ligament Reconstruction (관절경적 전방 십자인대 재건술 후의 재활 치료 원칙)

  • Kyung Hee-Soo;Kim Hee-Soo
    • Journal of Korean Orthopaedic Sports Medicine
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    • v.2 no.1
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    • pp.6-14
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    • 2003
  • The goal of rehabilitation after ACL reconstruction are return the patient to a reinjury level of activity with stable joint, removing pivot shift phenomenon, preservation of meniscus, restoration of range of motion, and minimize patello-femoral complication. The ACL reconstruction should avoid immediate surgery. The preoperative phase emphasizes two important factors. (1) The patient should have a resolution of knee swelling, a return of full ROM, and a normal gait. (2) The patient should be mentally prepared for the operation and subsequent rehabilitation. The postoperative rehabilitation program emphasizes extension, closed kinetic chain function exercises. The regular follow-up is important.

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The Case Study on the Performance between SCM Adopted Textile.Fashion Firms and Unadopted Firms in a Viewpoint of BSC (BSC 관점에서 SCM 도입 섬유.패션 기업과 미도입 기업의 성과에 대한 사례 연구)

  • Shin, Sang-Moo;Yoon, Jae-Chun
    • The Research Journal of the Costume Culture
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    • v.17 no.1
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    • pp.177-188
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    • 2009
  • SCM as the important marketing strategy enhance the firm's efficiency and compatibility in global market environment such as global outsourcing. Firms adopted SCM realized the need to evaluate precisely the performance of SCM. In spite of importance of SCM, there was not much intention and research to measure SCM performance in textile fashion industry. Therefore, the purpose of this case study was to measure performance of supply chain management in textile fashion business using BSC(Balanced Score Card) to measure not only financial perspective but also non-financial perspectives such as customer perspective, internal business perspectives, financial perspective, and innovation & learning perspective. The questionnaire developed by the reviews of the literature was adopted for this study. The results of this study showed that SCM performance was enhanced from the point of customer perspective(cost, quality, time, service), financial perspective(cash cycle time, inventory turn over, inventory obsolescence, return on asset, return on investment, capacity utilization), and innovation & learning perspective(cost for human resource management, service for human resources). But there was same performance level regarding internal business perspective(lead time, cost for manufacturing process, product quality control, productive flexibility for time, quantity, and variety). Therefore, we should keep close relationship and two way communication among supply chain members to promote better SCM performance.

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Performance Based Seismic Design State of Practice, 2012 Manila, Philippines

  • Sy, Jose A.;Anwar, Naveed;HtutAung, Thaung;Rayamajhi, Deepak
    • International Journal of High-Rise Buildings
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    • v.1 no.3
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    • pp.203-209
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    • 2012
  • The purpose of this paper is to present the state of practice being used in the Philippines for the performance-based seismic design of reinforced concrete tall buildings. Initially, the overall methodology follows "An Alternative Procedure for Seismic Analysis and Design of Tall Buildings Located in the Los Angeles Region, 2008", which was developed by Los Angeles Tall Buildings Structural Design Council. After 2010, the design procedure follows "Tall Buildings Initiative, Guidelines for Performance-Based Seismic Design of Tall Buildings, 2010" developed by Pacific Earthquake Engineering Research Center (PEER). After the completion of preliminary design in accordance with code-based design procedures, the performance of the building is checked for serviceable behaviour for frequent earthquakes (50% probability of exceedance in 30 years, i.e,, with 43-year return period) and very low probability of collapse under extremely rare earthquakes (2% of probability of exceedance in 50 years, i.e., 2475-year return period). In the analysis, finite element models with various complexity and refinements are used in different types of analyses using, linear-static, multi-mode pushover, and nonlinear-dynamic analyses, as appropriate. Site-specific seismic input ground motions are used to check the level of performance under the potential hazard, which is likely to be experienced. Sample project conducted using performance-based seismic design procedures is also briefly presented.

The Board Size and Board Composition Impact on Financial Performance: An Evidence from the Pakistani and Chinese's Listed Banking Sector

  • MAJEED, Muhammad Kashif;JUN, Ji Cheng;ZIA-UR-REHMAN, Muhammad;MOHSIN, Muhammad;RAFIQ, Muhammad Zeeshan
    • The Journal of Asian Finance, Economics and Business
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    • v.7 no.4
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    • pp.81-95
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    • 2020
  • The main objective of this research is to investigate the impact of board size and board composition on financial performance of banks. The sample of this study consists on two countries listed bank sector Pakistan and China. The annul data is used from 2009-2018 to find the objective of this study. The Panel regression model is used to check the relationship between dependent and independent variables. Return on Asset and Return on Equity is used as performance checker dependent variables. The results of this study confirm board size coefficient value positive for ROA and negative for ROE but shows insignificant behavior for Pakistani banking sector while in Chinese banking sector the coefficient value of board size positively for ROA and ROE at 10% level. The board composition coefficient shows the negatively significant with ROA but insignificantly related to ROE for Pakistani banking sector. However, in Chinese banking sector the coefficient value of board composition is insignificant for both ROA and ROE. This study is helpful for banks, management of banks, policy makers, researcher as well as Government.

Herding Behavior in Emerging and Frontier Stock Markets During Pandemic Influenza Panics

  • LUU, Quang Thu;LUONG, Hien Thi Thu
    • The Journal of Asian Finance, Economics and Business
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    • v.7 no.9
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    • pp.147-158
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    • 2020
  • We apply Return Dispersion Model by calculating CSAD (Cross-sectional standard deviation of return) and State Space Model to identify herding behavior in the period of pandemic (H1N1 and COVID-19). Employing data from TEJ and Data Stream, this paper examines whether the herding behavior is existing in Vietnam and Taiwan stock market, especially during pandemic influenza. We compare the differences in herding behavior between frontier and emerging markets by examining different industries across Vietnam and Taiwan stock market approaches. The results indicate solid evidence for investor herd configuration in the various industries of Vietnam and Taiwan. The herding impact in the industries will be greater than with the aggregate market. The different industries respond differently to influenza pandemic panics through uptrend and downtrend demonstrations. Up to 12 industries were found to have herding in Vietnam, while Taiwan had only 5 of 17 industries classified. Taiwan market, an emerging and herding-level market, has changed due to the impact of changing conditions such as epidemics, but not as strongly as in Vietnam. From there, we see that the disease is a factor that, not only creates anxiety from a health perspective, but also causes psychological instability for investors when investing in the market.