• International Journal of Highway Engineering
• /
• v.14 no.2
• /
• pp.117-129
• /
• 2012

Road safety audit is the preventive enhancement strategy for safety. : it gets rid of beforehand the potential factor of a traffic accident in the stage of road planning and design and it evaluates the appropriation for road geometric structure or safety facility to prevent traffic accident in the stage of operation after the construction. Since this strategy is introduced to our country in the early 2000s, various projects have been processed and it was legislated recently. And now, the evaluation of past project for its continuation is needed. Therefore, in this study the evaluation of road safety audit on existing freeway is performed. The spatial extent of this study is Yong-dong line on which the safety treatment was executed in 2005 and 2006. And, the temporal range of this study is each 2-year of before and after from 2005 and 2006. The empirical bayes method of observational evaluation studies is applied to analyze. As a result, there is an effect of improvement on most of treated sections. But there is ineffective or negligible on some sections. Compared with the detail of treatment on each section, the effect of multiple or various treatments is good for that section. On the other hand, the section on which effect doesn't appear is the result of single or unimportant treatments. Throughout these results, the concrete analysis can be performed and the countermeasures designed for the section on which effect doesn't appear. Also it is used as reference to the future plan and direction of road safety audit on existing freeway.

• Land and Housing Review
• /
• v.4 no.1
• /
• pp.65-75
• /
• 2013

The residential environment of old and deteriorated public rental housing has been improved for preventing house deterioration through the facility improvement projects during the recent three years. The purpose of this study is to check the effect of applied facility improvement projects through a survey to residents on the significance degree of improving the residential environment and the satisfaction degree of current residential environment. Moreover, this study aims to draw out the direction of the residential environment improvement. At first, for this purpose, a survey to the residents of old and deteriorated public rental housing in the country was conducted. In addition, the mean value analysis on the satisfaction degree and significance degree was done, and the factor analysis was conducted for the distinction between types of items. As a result, 29 items of residential public space for residential environment improvement were divided into six factors and 28 items for generation of each units were divided into four factors. The mean value of the satisfaction degree and significance degree was compared. In conclusion, the design direction of environment improvement projects in the future was suggested with the result of the survey.

• International Journal of Highway Engineering
• /
• v.2 no.2
• /
• pp.139-148
• /
• 2000

Currently existing Accelerated Pavement Testing (APT) systems developed in several countries have been employed mainly to test the performance of asphalt pavement. Meanwhile, the length of concrete pavement is similar to that of asphalt pavement in expressways of Korea. and is expected to increase due to its durability and compatibility to our weather condition. To meet the society's demand of having our own APT system which can examine the long-term performance of concrete pavement, a contract study to develop Korea Accelerated Loading and Environment Simulator (KALES) for concrete pavement has been performed for 3 years from 1997 through 1999. Through the project, a detailed design was Peformed for the KALES system in which the entire structure of KALES, loading mechanism, wandering mechanism, suspension system, driving system were proposed. Also in advance to design a full-scale KALES system, a sample scale model was manufactured and tested for operating motion and force distribution. It is evident that the proposed prototype KALES system will provide higher degree of traffic simulation and durable operation, based on the satisfactory fatigue analysis.

• Korean Institute of Interior Design Journal
• /
• v.20 no.6
• /
• pp.53-61
• /
• 2011

As the standard of living has raised and the local self-governing body has enforced, cultural facilities have been increased in local areas. These cultural facilities should be designed to consider various users. However, most facilities were designed to focus on size or visual expressions. Therefore, this study was intended to evaluate common spaces of two cultural centers in local area from the universal design point of view. Two cultural centers located in large apartment complex were selected. The evaluating tool consisted of 46 elements related to universal design. The common space were pathway to entrance, parking lot, entrance, all over building, corridor, and restroom. Each 100 users of these two cultural centers evaluated them using by 5-point Likert scale. The results were as follows; The users rated them positively, but not highly. This means that some improvement were needed. Generally, the consideration for upgrading the quality of design such as material, pattern and color needed, and for various users including wheelchair users and seniors were needed. Also, when considering the users' behavior pattern and purposes, installing canopy over entrance, and providing seating places at corridor or pathway were needed.

• Journal of The Korea Institute of Healthcare Architecture
• /
• v.2 no.3
• /
• pp.71-81
• /
• 1996

The existing domestic and foreign elderly nursing homes, with 50 beds or more, are selected and examined according to user interview, and document analysis to understand the facts about the elderly nursing homes. The location of domestic nursing homes is limited to the region of Seoul and Kyunggi province. The scope of research is focused on the plans, area compositions, equipments and relations with public spaces - wandering paths, bathrooms and toilets. The content of research, based on the collected data discribed above, includes the search for architectural idea and the examination of typological differences among plans. The research is performed as followes. 1) description of research objectives. 2) examination of problems associated with the elderly. 3) understanding of systems and plans of domestic and foreign nursing homes. 4) performance of case study, derivation of design criteria for architectural planning, and suggestion of several adjustable alternatives for public spaces.

• Journal of the Korean Professional Engineers Association
• /
• v.45 no.4
• /
• pp.47-56
• /
• 2012

According to the policy of coal industry promotion, a lot of mines were abandoned. As the abandoned mines were neglected, environmental pollution such as settlement of ground, ground-water run-off, landscape damage etc were accompanied around abandoned mines. The government was promoting countermeasures of environmental contamination but most of the Countermeasures were aimed at protecting the ecological system not infrastructure. For this reason, abandoned mines impact on infrastructure has been relatively neglected. Most mines are located in mountainous so there is a tunnel among typical infrastructure around abandoned mines. In this paper, the effect of Mine drainage, Typical pollution source of abandoned mine, was introduced into the using tunnel focusing on the types and examples.

• Journal of Families and Better Life
• /
• v.21 no.6
• /
• pp.107-115
• /
• 2003

The purpose of this study was to Investigate the spatial composition characteristics of elderly housing facilities in USA, in order to refer them in establishing the basic plan for elderly housing in Korea. The case study performed in this study from July 23 to July 31 is based on ten housing facilities for the elderly located at California in USA. The results of this study were as follows; 1. The type of floor plan was classified into the U type, ㅁ type, L type, and ㅡ type. And they had an outside space called a garden(courtyard). 2. The kinds of common spaces could be grouped as the space for basic living, for leisure, and for convenient living. Also it was all common that the housing facility had shared livingroom, shared diningroom, activity room and garden. The type of the common spaces was categorized into two types, the centralized type where the shared space was located at the center of the housing facilities, and the distributed type, depending on the degree of separation between common spaces and units. ,3. The kinds of units was classified into studio, oneroom, one bedroom and two bedroom.

• Journal of Advanced Marine Engineering and Technology
• /
• v.32 no.1
• /
• pp.200-205
• /
• 2008

Stability and durability of the artificial reefs (ARs) installed for wildstock enhancement have been a key issue. We surveyed the stability of 4,044 artificial reefs installed at 5 sites (Gangeung, Donghae, Samcheok, Goseong. and Yangyang) along the Gangwon coast of the East Sea (Sea of Japan) through which 1 to 5 typhoons pass annually. The ARs surveyed were 7 types aging 1 to 4 years. The side scan sonar (SSS) and scuba diving surveys confirmed that the ARs stability was age and type-dependent. A total of 85.56% ARs remained safe. the rest 14.44% being influenced by physical parameters of the waters such as wave extremes mostly caused by typhoons. An interesting observation was that the AR were particulatly vulnerable to the wave extremes in the first year of installation, thereafter being less damageable. Representative damages of the ARs were capsized (0.20%). broken (5.79%), sunk (0.27%), and buried (8.18%). By type, dice reef was most stable. while semicircle branch reef was most vulnerable.

• Journal of Industrial Convergence
• /
• v.17 no.1
• /
• pp.7-16
• /
• 2019

Korea, which became an aging society in 2000, has made transition to an aged society more quickly than expected since late 2017 after 17 years. Despite this trend, the awareness towards elderly housing facilities has not yet been raised across in society. The primary reason is that use of elderly housing facilities has not been promoted due to lack of understanding about the construction and management of the facilities. The housing of the elderly should be considered in terms of not only residential space but also the issues of medical care and continuous care. Therefore, the trend of elderly housing is pursuing the Continuing Care Retirement Community. Thus, this study analyzed the policies of existing elderly housing facilities and existing elderly housing through comparison with policies and housing of foreign countries. Based on the results, the the government intends to present characteristics and direction of suitable housing design of senior citizens' housing facilities through maintenance of UNIT, securing convergence through changes in the use of facilities, and realising the cost of operation, and studying social welfare measures to cope with the increasing number of elderly residents.

• Journal of the Korea institute for structural maintenance and inspection
• /
• v.25 no.5
• /
• pp.127-134
• /
• 2021

When constructing a tunnel on a stable ground, stress is changed in the ground during excavation stage and installation of ground support materials. In the standards for safety evaluation of structures in use, it is suggested to perform numerical analysis reflecting the excavation stage. But method of seismic performance evaluation was not presented. Therefore, in this study, numerical analysis was performed with different analysis methods, and the results were compared and analyzed. As a result of the numerical analysis, seismic wave applied in the horizontal direction were no difference depending on the analysis methods. However, there was a big difference in the result according to the evaluation methods of tunnel member forces. When reviewing with the strength design method, the structure performance could be not satisfied depending on the existence or nonexistence of reinforcing bars. Based on these research results, it is suggested that the interpretation method should be clearly presented and reflected in the relevant standards.