• Title/Summary/Keyword: Detailed Drawings

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Success Factors of Highway Construction Projects in Egypt: AHP Approach

  • El-Maaty, Ahmed Ebrahim Abu;El-Hamrawy, Saad;Akal, Ahmed Yousry
    • Journal of Construction Engineering and Project Management
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    • v.6 no.4
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    • pp.7-14
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    • 2016
  • While the idea of the existence of a set of key factors for success in planning, designing and construction of projects is not new, it remains one of the most important issues in the field of construction management. This is due to project success factors are inputs to project management practice which can lead directly or indirectly to project success. This study identifies the success factors which can be used for improving the highway projects performance in Egypt during the project pre-construction and construction phases. Through a detailed literature review 35 success factors are identified. Furthermore, the AHP is adopted to prioritize the studied factors through the application of questionnaire survey. The study establishes that implementing an effective quality control and assurance systems, allow sufficient time for feasibility studies, design, drawing and tender preparation, effective cost control system and frequency of project budget updates, preparing adequate designs and drawings and determining sufficient time to implement the desired scope of work are the most important success factors for enhancing the highway projects performance in Egypt.

Outstanding Pinkish Brown-Spored Neotropical Boletes: Austroboletus subflavidus and Fistulinella gloeocarpa (Boletaceae, Boletales) from the Dominican Republic

  • Gelardi, Matteo;Angelini, Claudio;Costanzo, Federica;Ercole, Enrico;Ortiz-Santana, Beatriz;Vizzini, Alfredo
    • Mycobiology
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    • v.49 no.1
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    • pp.24-45
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    • 2021
  • The occurrence of Austroboletus subflavidus and Fistulinella gloeocarpa is documented from the Dominican Republic. The latter species is reported for the first time outside its original locality in Martinique, extending the geographic range for this uncommon pinkish-spored bolete. A detailed morphological description is provided for each species and accompanied by color pictures of fresh basidiomes in habitat and line drawings of the main anatomical features. Both species represent independent lineages within their respective genera based on phylogenetic inference. In addition, A. subflavidus clusters in a sister lineage to the core Austroboletus clade (Austroboletus clade I) here named as Austroboletus clade II. In order to confirm the accuracy of species identification, their identity and relationships were subjected to multilocus phylogenetic analyses of three gene markers (ITS, nrLSU, RPB2) including genetic material already available in public databases. Austroboletus subflavidus is a widely distributed species in North and Central America, whereas F. gloeocarpa is apparently highly localized and seems to appear sparingly in the Dominican Republic, Martinque, and southern Florida. Comparisons with morphologically similar and molecularly inferred allied species are also presented and discussed.

A Study on Strategy and Utilization for Practical Application of BIM in MEP Area (국내 MEP 분야 BIM 활용 실태 조사 및 실무 적용 활성화 방안 제시)

  • Kim, Yi-Je;Kim, Yong-In;Kim, In-Chie;Chin, Sang-Yoon
    • Journal of KIBIM
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    • v.10 no.4
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    • pp.70-80
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    • 2020
  • In the MEP(Mechanical Electrical and Plumbing) field, the utilization of BIM-based drawings is lower than in the architectural and structural sectors, and the limited BIM collaboration problem caused by different levels of BIM utilization in each field is becoming a serious problem in adoption and utilizing BIM. Therefore, this study analyzed the current status of BIM application in the field of mechanical equipment in the construction industry and analyzed the practical problems and limitations of adoption and utilizing BIM from a corporate perspective based on Delphi analysis techniques. Based on the results of the analysis, the limitations of the current MEP BIM application were classified into economic, technical, institutional, and social factors to derive detailed items, and, accordingly, the improvement measures were classified as institutional, policy, and technical measures. As a result, the company intends to maximize the value of BIM utilization in the MEP field by presenting improvement plans to activate BIM in the field of mechanical equipment based on the opinions of the company, thereby laying the foundation for BIM in the construction industry by creating a collaborative BIM environment for each sector in the domestic construction industry.

Development and Applications of an Optic Oxygen Sensor Datalogger for in situ Dissolved Oxygen Monitoring in Coastal Water (연안 용존산소 현장 모니터링용 산소광센서 데이터로거 개발 및 적용)

  • Jae Seong, Lee;Hyunmin Baek
    • Ocean and Polar Research
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    • v.45 no.2
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    • pp.33-42
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    • 2023
  • Dissolved oxygen (DO) is a crucial parameter for assessing environmental conditions in aquatic ecosystems. However, commercial in situ dataloggers for oxygen optodes can be relatively expensive and limited in their specifications. In this paper, we present a novel design for a DO datalogger system based on the control boards family with RP2040 MCU chipset. Our design includes two types of dataloggers: a simple logging system and a programmable system for sampling rates via magnetic switches underwater for divers. We provide detailed descriptions of the system, including the MicroPython source code and drawings to aid in construction. We also discuss the various applications of our DO datalogger system in monitoring dissolved oxygen concentration in coastal waters and assessing the benthic metabolism of aquatic ecosystems. Our DO datalogger system provides an affordable and flexible option for researchers to accurately monitor DO concentrations in aquatic environments, and thereby improve our understanding of these complex ecosystems.

A Systematic Study on the Ascidians from Cheju Island, Korea (제주도산 해초류(Ascidians)의 분류학적 연구)

  • Rho, Boon-Jo;Lee, Ji-Eun
    • Animal Systematics, Evolution and Diversity
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    • v.5 no.1
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    • pp.59-76
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    • 1989
  • In order to carry out a systematic study of ascidians in Cheju Island, the authors identified and classified specimens collected from 11 sites around Cheju Island from December 1 1969 to January 1989. Using the information gathered from this study as well as previous s studies, the authors prepared a detailed list of the ascidians of Cheju Island. A As a result of this study, the ascidians of Cheju Island are 50 species in 10 families. Among them, 3 species (Dideηmum apersum, Didemnum translucidum, Botrylloides perspicuum) had not previously been known to exist in Korean waters. Description and drawings of these three species are presented in this report. It was also discovered that ten of the fifty species are found only in the Cheju Island area. The fifty species recorded in the Cheju Island area account for 68% of the seventy three species recorded from all Korea. Classifying them by t the temperature of the water where they are found, the authors found the following: one cold water species (2% of the total), seven cold-temperate water species (14%), thirty eight warm-temperate water species (76%) and four tropical water species (8%)

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Suggestion and Verification of Assessment model on Construction Cost of Steel Box Girder Bridge in Project Performance Phases (사업 수행 단계별 강박스거더교 공사비 산정 모델 제시 및 검증)

  • Jeon, Eun-Kyoung;Kyung, Kab-Soo;Park, Jin-Eun;Kang, Sin-Hwa
    • Journal of Korean Society of Steel Construction
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    • v.22 no.1
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    • pp.55-65
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    • 2010
  • To effectively secure and execute the national budget, it is very important to estimate the reasonable construction cost of each process in the construction of public facilities and works. The construction cost is generally estimated at the time when the design of the targeted structures has been completed. Without detailed sectional drawings and with only simple information on bridge structures in the planning stage or in the early design stage. it would be very difficult to predict the approximate construction cost. In this study, a more efficient and appropriate approximate construction cost estimation model in the planning stage and in the early design stage is presented and verified as reliable by analyzing the construction cost data of 61 existing steel box girder bridges from previous studies. The results of this study show that when the construction cost that was predicted using the construction cost estimation model in the design stage was compared with the cost from the conventional standards, the suggested model in this study produced results with a very high confidence level.

A Study on the Development of Software Supporting the Superstructural Design of Offshore Plant (해양플랜트 상부구조설계 지원 소프트웨어 개발에 대한 연구)

  • Kim, Hyun-Cheol;Kook, Sung-Keun
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.21 no.11
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    • pp.19-27
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    • 2020
  • On an offshore plant topside, various types of offshore facilities for processing energy resources, such as oil and gas, and equipment and outfitting for connecting these facilities are installed in a limited space. An offshore plant superstructure is composed of numerous supporting rack structures and reinforcements for securing and supporting offshore installations and the related equipment. This paper describes the development of design support software to support this superstructure design efficiently. The developed design support software, which was based on AVEVA Marine's PML(Programmable Macro Language), supports the parametric method for superstructure design. A method of batch 3D modeling from 2D drawings for supporting rack structure produced in the basic and detailed design was also developed using AutoLisp. In addition, through the application example of superstructure module design, the design support software introduced in this paper can be expected to reduce the design time by more than 90% compared to the use of only basic functions of AVEVA PDMS.

Materialization of a Chinyoung Procession Illustration of Princess Bok-On's Wedding Based on Historical Dress Research - Focusing on women participants - (복식 고증을 통한 복온공주 혼례 친영반차도 구현 - 여자참여자를 중심으로 -)

  • Kim, Ah-Ram;Choi, Yeon-Woo
    • Journal of the Korean Society of Costume
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    • v.64 no.7
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    • pp.11-28
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    • 2014
  • Chinyoung(親迎) is one of the detailed procedures of a wedding ceremony, of which the bridegroom visits the bride's home to receive and bring her to his home. And, Procession Illustration (班次圖) is a type of drawing that shows how people of various social classes are arranged in their predetermined positions in a royal ceremony. Thus, 'Chinyoung Procession Illustration(親迎班次圖)' refers to the drawing of the march in the course of Joseon's royal wedding ceremony, in which the bridegroom receives and brings the bride to his home. This paper aims to reconstruct the Chinyoung Procession Illustration for a princess as an image, which has never been done. There are no drawings or pictures of the princesses' Chinyoung Procession, but only written records. Thus, we completed the Procession Illustration by dressing the participants in accordance with their social classes and arranging them in the march. The arrangements were based on historical records of social classes, positions, number, and costumes. As for the princesses' weddings in the late Joseon period, a total of 18 wedding records remain. We selected Princess Bok-On's (福溫公主: 1818~1832) wedding as the subject of reconstruction as it had the greatest number of participants. In addition, due to the great number of participants, this study limits its focus to the female participants, with the male participants to be examined in future research. The result confirmed that the number of participants in Princess Bok-On's Chinyoung Procession was 184, including the bride and bridegroom, and the number of female participants was 26 in total, including the princess and women placed around her. The women participants wore Rip(笠), Neoul(羅兀), Jeonmo(氈帽), Garima(加里磨), Noeui(露衣), Hwaleui(豁衣), Dangeui(唐衣), Jeogori(赤古里), Chima(赤亇), Malgun(袜裙), Daedae(大帶), Onhye(溫鞋), Dokhye(禿鞋).

Shape memory alloy (SMA)-based Superelasticity-assisted Slider (SSS): an engineering solution for practical aseismic isolation with advanced materials

  • Narjabadifam, Peyman;Noori, Mohammad;Cardone, Donatello;Eradat, Rasa;Kiani, Mehrdad
    • Smart Structures and Systems
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    • v.26 no.1
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    • pp.89-102
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    • 2020
  • Shape memory alloy (SMA)-based Superelasticity-assisted Slider (SSS) is proposed as an engineering solution to practically exploit the well-accepted advantages of both sliding isolation and SMA-based recentering. Self-centering capability in SSS is provided by austenitic SMA cables (or wire ropes), recently attracting a lot of interest and attention in earthquake engineering and seismic isolation. The cables are arranged in various novel and conventional configurations to make SSS versatile for aseismic design and retrofit of structures. All the configurations are detailed with thorough technical drawings. It is shown that SSS is applicable without the need for Isolation Units (IUs). IUs, at the same time, are devised for industrialized applications. The proof-of-concept study is carried out through the examination of mechanical behavior in all the alternative configurations. Force-displacement relations are determined. Isolation capabilities are predicted based on the decreases in seismic demands, estimated by the increases in effective periods and equivalent damping ratios. Restoring forces normalized relative to resisting forces are assessed as the criteria for self-centering capabilities. Lengths of SMA cables required in each configuration are calculated to assess the cost and practicality. Practical implementation is realized by setting up a small-scale IU. The effectiveness of SSS under seismic actions is evaluated using an innovative computer model and compared to those of well-known Isolation Systems (ISs) protecting a reference building. Comparisons show that SSS seems to be an effective IS and suitable for earthquake protection of both structural and non-structural elements. Further research aimed at additional validation of the system are outlined.

A Study on the Restoration Plan of Beomeosa Temple in the Late Period of Chosun (구한말(舊韓末) 범어사(梵魚寺)의 복원도(復元圖) 작성(作成)에 관한 연구(硏究))

  • Youn, Suk-Hwan;Han, Sam-Geon
    • Journal of architectural history
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    • v.14 no.4 s.44
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    • pp.137-155
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    • 2005
  • This study was started with its consideration as materials showing original shapes of temple buildings in the late period of Chosun the photographs and drawings which contained in $\ulcorner$A Survey Report of Korean Architecture$\lrcorner$ made by Sekino Tadashi through his survey for 62 days(July 5${sim}$Sep. 4, 1902). Results of the study can be summarized as follows. During the period of Japanese occupation, Beomesa temple experienced frequent changes in building layout including the transfer and removal of buildings. Such frequent change began in spring, 1936 when a Buddhist monk of Beomeosa temple, Cha Woon Ho moved Gwaneumjeon, originally located to the light of the main building, to the left of the building and, on its original site, built up a 7-storied sarira tower. Though it is difficult to say that the study provides everything about Beomeosa temple, the researcher expects that the study would be the very basis on which changes in the building layout of the temple since the late period of Chosun can be researched. In conclusion, the researcher hopes that the above mentioned restoration plan would help originally restore or enlarge temples, further transmitting such restored or enlarged establishments as valuable cultural remains from generation to generation. In this respect, the researcher expects such restoration plan to be made in continuous and more detailed ways.

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