• Title/Summary/Keyword: road structure

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THE TURFAN MINARET INSCRIPTION: A SYMBOL OF CULTURAL CONFLUENCE ON THE SILK ROAD

  • VOSOOGHI, MOHAMMADBAGHER;KARIMIAN, HASSAN
    • Acta Via Serica
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    • v.2 no.1
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    • pp.31-47
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    • 2017
  • The corridors to the north and south of the $Takl{\bar{a}}m{\bar{a}}k{\bar{a}}n$ (塔克拉瑪干 Ta-ke-la-ma-gan) Desert are the most important regions for cultural confluence on the Silk Road, where caravans made it to the Chinese capital or the Korean Peninsula by the northern road, through the city of Turfan, or the southern path of Khutan. Being an important part of the Silk Road in the course of history, this region was heavily influenced by the cultures of various nations and ethnic communities whose merchants utilized the road to advance their business. The region's language, writing system and literary structure were also affected, so much so that in the course of its tumultuous history, many words, phrases and terms belonging to neighboring cultures found their way into the region, leaving their mark on its linguistic structure. Of the cultural exchanges that took place between the peoples of the region, conspicuous traces can be seen in the architecture, music, literature, texts, and inscriptions. Located in the Turfan region, the minaret of Su Gong (蘇公 Su Gong ) is host to an inscription which bears many signs of such exchanges. As so far no independent research has been conducted to identify the cultural, literary and structural features conveyed in this inscription, the present paper is an attempt to study the inscription in terms of the script, language and syntax in order to unravel the effects of cultures prevalent on the Silk Road on this particular inscription. This study mainly aims to investigate the linguistic structure of the inscription and the impact of the Persian language on Silk Road culture. In fact, we approach the inscription as a symbol of cultural exchange on the Silk Road and will focus on the tradition of Persian inscription-making which affected the Turfan inscription.

A Study on Turning Characteristics of Vehicle Based on Parameters of Curved Road (매개변수에 따른 커브 길에서 차량 선회특성에 관한 연구)

  • Yang, Sung-Hoon;Lee, Hak-Yong;Yoon, Jun-Kyu
    • The Journal of the Institute of Internet, Broadcasting and Communication
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    • v.13 no.2
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    • pp.25-32
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    • 2013
  • Entry speed of the vehicle and lateral acceleration acting on the vehicle, roll-angle associated with the overthrow, and then the structure of the road, the friction of road surface are important factors in turning on the curved road. In this study, we analyzed the state change of the vehicle causing entry speed of the vehicle and superelevation of the road, the friction coefficient by using a PC-crash Program for traffic accident reconstruction. As a result, when vehicle is turning the curved road, we could ascertain that the structure of the road and state of the road surface are a major factor about the set up of limited speed.

Cause and Measure of Road Structures for Localized Torrential Downpour (집중호우에 의한 도로시설물 피해 원인 및 대책)

  • Lee, Yong-Soon;Choi, Chang-Ho;Chung, Ha-Ik;Kwon, Ki-Hwan
    • 한국방재학회:학술대회논문집
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    • 2007.02a
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    • pp.458-461
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    • 2007
  • This paper describes the cause and measure of road structures failures in Kangwon area for year 2006 rain fall. Localized rainfall due to abnormal climate generates rock or dirt flows in upper stream and leads, the road structure failure located on mountains terrane. Main cause of such failures erosion, debris-flow, insufficient supply of culvert drainage system in ravine areas. It is needed to enhance the design methodology of road-drainage system and the remediation technology of rock and dirt flows

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Development of the System for Damage Assessment of Road Network after Seismic Excitation (지진 발생 후 도로망의 피해 산정을 위한 평가체계 개발)

  • Yi Jin-Hoon;Lee Hyeong-Cheol;Jeong Dong-Gyun;Lee Sang-Ho
    • Proceedings of the Computational Structural Engineering Institute Conference
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    • 2006.04a
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    • pp.216-221
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    • 2006
  • This study provides a methodology for development of the Seismic Damage Evaluation System (SDES) in Korea. Major systems and status of database related to road networks in Korea are investigated to analyze the usability of the required information for developing the SDES. In this study, the SDES is composed of four components that are the road network component, the ground motion component, the fragile structure component, and the cost component. In addition, the procedures for the construction of database which support the SDES is proposed, and a prototype of the SDES for expressway of Korea is developed based on the developed methodology. The National Geospatial Information System (NGIS) and the National Earthquake Information System (NEIS) are used to develop the road network component and ground motion component, respectively. For the fragile structure component and the cost component, Highway Bridge Management System (HEMS) was used.

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The Method of Creating the Road Network Database for an Integrated Road Management System (도로관리 종합정보 시스템을 위한 도로망 데이타베이스 구축방안)

  • 김충평;이강원;김경희
    • Spatial Information Research
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    • v.3 no.1
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    • pp.55-63
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    • 1995
  • The database design, which logically sets the base structure and orga¬nization of the database, is performed by considering the users requirement, the relations between various data, and the relations between data and application field.The road network data must be created to have geometrical topological structure, because various data elements are needed to recognize the state of each section and to relate between data element. In this study, we propose a method of creating the road network database for an integrated road management system.

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Extraction of Road Structure Elements for Developing IFC(Industry Foundation Classes) Model for Road (도로분야 IFC 확장을 위한 도로시설의 구성요소 도출)

  • Moon, Hyoun-Seok;Choi, Won-Sik;Kang, Leen-Seok;Nah, Hei-Sook
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.15 no.2
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    • pp.1195-1203
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    • 2014
  • Since IFC (Industry Foundation Classes) 4 is based on the representation of 3D elements for an architecture project, and does not define standardized shapes for civil projects such as roads, bridges, and tunnels etc, it has limitations in securing interoperability for exchanging a shape information model for the civil projects. Besides, since road facilities have a linear reference, which is modeled along the center alignment, it is difficult the designers to create a standardized 3D road model. The aim of this study is to configure structure elements and their attribute for a road in the perspective of 3D design for developing a shape information model for the road. To solve these issues, this study analyzes the design documents, which consist of a road design handbook, guide, specifications and standards, and then extract shape elements and their attributes of road structures. Such shape elements are defined as an entity item and we review a hierarchical structure of a road shape defined by a virtual road model. The detailed elements and their attributes can be utilized as a 3D shape information model for constructing BIM (Building Information Modeling) environment for Infrastructures. Besides, it is expected that the suggested items will be utilized as a base data for extending to IFC for a road subdividing the detailed shapes, types and attributes for road projects.

EVALUATION OF ROAD-INDUCED NOISE OF A VEHICLE USING EXPERIMENTAL APPROACH

  • Ko, K.-H.;Heo, J.-J.;Kook, H.
    • International Journal of Automotive Technology
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    • v.4 no.1
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    • pp.21-30
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    • 2003
  • In this paper a systematic test procedure for evaluation of road-induced noise of a vehicle and guidelines for each test are presented. Also, a practical application of the test procedure to a small SUV is presented. According to the test procedure, all the tests were performed to evaluate road-induced booming noise that is in low frequency range. First of all the information on characteristics of road-induced noise was obtained through baseline test. Coupling effects between body structure and acoustic cavity of a compartment were obtained by means of modal tests for a structure and an acoustic cavity. Local stiffness of joint areas between chassis system and car-body was determined by test for measurement of input point inertance. Noise sensitivities of body joints to operational forces were obtained through test for measurement of noise transfer functions. Operational deflection shapes made us analyze behaviors of chassis system under running condition and then find sources of noise due to resonance of the chassis system. Finally, Principal Component Analysis and Transfer Path Analysis were utilized to investigate main paths of road-induced noise. In order to evaluate road-induced booming noise exactly, all of tests mentioned above should be performed systematically.

Merits and Demerits of the Inspection System introduced in Construction of City Planning Road: In Case of Crossing Road of the Aioiyama Green Area in Nagoya

  • Yutaka Okamura
    • Journal of the Korean Institute of Landscape Architecture International Edition
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    • no.2
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    • pp.178-184
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    • 2004
  • The Yatomi - Aioiyama line is a city-planning road that was notified in 1957 and subsequently prepared by land readjustments. Currently, approximately 900m of road pass in the inside of the Aioiyama green area has not been constructed. The surveying briefing session for inhabitants was held in July 1992, the project was authorized by the Ministry of Land, Infrastructure and Transport in September 1993, and the project briefing session for inhabitants was held in September 1993. The site purchase has been completed. At the May 2000 briefing session, inhabitants of the area began voicing dissenting demanding the conservation of the natural environment of this green area. The inspector system serves as the third party, independent of both the administration and the inhabitants. Before finalizing the geometric line form of the road to be constructed, some surveys of animals and plants found along the walking trails carried out intensively in the northern area, which is approximately 50 ha, of the Aioiyama green area. The natural environment inspector submitted a plan for changing the geometric line form of the road decided upon by city planning, and it was approved by the city planning council. If the shelter structure or the retaining wall structure is adopted at the location where large slope faces are produced by excavation or landfill, and if the bridge structure is adopted at the place where stream-lines and walking trails intersect, it leads to a reduction of approximately $40\%$ in the areas for which change is planned. Furthermore, approximately $20\%$ of the area to be changed is restored by returning soil to the roof of the shelter.

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Settlement behavior and controlling effectiveness of two types of rigid pile structure embankments in high-speed railways

  • Wang, Changdan;Zhou, Shunhua;Wang, Binglong;Guo, Peijun;Su, Hui
    • Geomechanics and Engineering
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    • v.11 no.6
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    • pp.847-865
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    • 2016
  • In this study, a series of geotechnical centrifugal tests were conducted to investigate the effectiveness of settlement control of two types of rigid pile structure embankments (PRSE) in collapsible loess under high-speed railway embankments. The research results show that ground reinforcement is required to reduce the post-construction settlement and settlement rate of the embankments. The rigid pile structure embankments using rigid piles can substantially reduce the embankment settlement in the construction of embankments on collapsible loess, and the efficiency in settlement reduction is affected by the pile spacing. The pile-raft structure embankments (PRSE) have much stronger ability in terms of the effectiveness of settlement control, while the pile-geogrid structure embankments (PGSE) provides rapid construction as well as economic benefits. Rational range of pile spacing of PRSE and PGSE are suggested based on the requirements of various railways design speeds. Furthermore, the time effectiveness of negative skin friction of piles and the action of pile-cap setting are also investigated. The relevant measures for improving the bearing capacity and two parts of transition zone forms as positive control mean have been suggested.

A Study on the traffic safety development considering road traffic system (도로교통체계를 고려한 교통안전 개선방안 연구)

  • Jung, Ho-Young;Jang, Mi-Ho;Hong, Gue-Gab;Cho, Won-Cheol;Lee, Tae-Shik
    • 한국방재학회:학술대회논문집
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    • 2007.02a
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    • pp.468-474
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    • 2007
  • Korea's road traffic has been the important role of social and economic development, and it'll be a much more important in the future. But we require a far more efficient road traffic system to solve the problem of vehicle increases. So this paper is analyzed and researched both road traffic systems and road traffic safety, and hypothesized a solution to the problem by using small town's road traffic system demands as a good example. The road traffic system should harmonize around the structure of the town, and be related to the safety, By analyzing road traffic system, we can understand how importantly the traffic system is related with safety, efficiency and overall benefits for our community.

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