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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
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International Journal of Highway Engineering
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Journal DOI :
Korean Society of Road Engineers
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Volume & Issues
Volume 5, Issue 4 - Dec 2003
Volume 5, Issue 3 - Sep 2003
Volume 5, Issue 2 - Jun 2003
Volume 5, Issue 1 - Mar 2003
Selecting the target year
Application of Load and Resistance Factor Design Format to Designing Flexible Pavements
Kim, Hyung-Bae ;
International Journal of Highway Engineering, volume 5, issue 1, 2003, Pages 1~10
The objective of pavement design, just as with the design of other structures, is to obtain the most economical designs at specified levels of reliability. Methods that yield designs with different levels of reliability are undesirable, and over the course of time design approaches in the U.S. and Europe have converged toward the Load and Resistance Factor Design (LRFD) format in order to assure uniform reliability. At present the LRFD format has been implemented in concrete, steel, wood and bridge design specifications. In this paper, reliability theories are used to illustrate the development of an LRFD format for Mechanistic-Empirical (M-E) design of flexible pavements as an alternative of its reliability module. It is shown in this paper that ten candidate pavement sections designed with a reliability level using the AASHTO design guide (1986) do not have uniform structural reliability in terms of pavement mechanistic distress such as fatigue cracking and the uniform reliability can be achieved by using the LRFD format.
A Study on the Relation between IRI and PrI
Kim, Kook-Han ; Lee, Byung-Duck ; Choi, Go-Il ; Yang, Sung-Cheol ;
International Journal of Highway Engineering, volume 5, issue 1, 2003, Pages 11~18
Road roughness, as the key factor influencing not only drivers' ride quality and safety but also pavement deterioration, is one of the most important pavement performance indicator to be evaluated by users' subjective assessment. For this reason, a specific number of the pavement roughness has been adopted to monitor the condition of a road for pavement management systems and to evaluate the quality of newly constructed sections, however, none of the unified methodology was internationally accepted. In Korea highway network, road roughness has been used mainly to evaluate newly placed pavement by using 7.6m CP (California Profile meter) to calculate PrI (Profile Index). But this instrument is manually operated to measure road profiles by traffic closure and their interpretation depends on personal bias. Therefore, problems arisen from the manually operated instrument will be overcome by using the APL (Longitudinal Profile Analyzer) which can be operated in the speed of 80km per hour. A study was conducted to correlate the relation from both concrete and asphalt pavement between IRI (measured by APL) and PrI (measured by 7.6m CP). Test results showed that there was a good correlation between IRI and PrI.
The Study on PMS System Development for Effective Asphalt Pavement Maintenance & Rehabilitation
Jo, Byung-Wan ; Han, Sang-Joo ;
International Journal of Highway Engineering, volume 5, issue 1, 2003, Pages 19~34
In this study, developed economic and efficient Pavement Management System (PMS) that can produce suitable M/R method through estimation and analysis of pavement condition exactly, to overcome past unscientific pavement management limitations. First on the basis of data of the inside and outside of the country on PMS and pavement condition data of Seoul metropolitan, composed logical algorithm such as pavement condition investigation and analysis, detailed eye investigation whole system estimation etc, and it verified that this algorithm is suitable system through the inside and outside of the county PMS research examples and results of detailed eye investigation. Also, Considering user interface, developed PMS program and GIS program with such logical algorithm.
Estimation of Bearing Capacity of Subbase and Subgrade Using Pavement Dynamic Cone Penetrometer
Roo, Myung-Chan ;
International Journal of Highway Engineering, volume 5, issue 1, 2003, Pages 35~45
This paper presents a theoretical approach for estimation of CBR-value of subbase course and subgrade using a portable pavement dynamic cone penetrometer(PDCP). The PDCP used in this paper was based on a design from South Africa and extensive studies by Kleyn(1982) and more recently by Liveneh and Ishai(1987) and Chua(1988). To date, California Bearing Ratio[CBR] value was studied mainly for application of pavement structural design. This study was initiated to develop a method of obtaining the in situ CBR-values of subbase and subgrade for the structural evaluation of pavements in the swift and inexpensive manner. PDCP tests were implemented at 20 different kinds of soil samples in the lab and test results were analysed by a theoretical approach introduced. The procedure presented provides acceptable and promising results.