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최소토피고 미확보 구간에 시공한 파형강판 암거의 변형 특성Deformation of Corrugated Steel Plate Culverts in the Areas with Minimum Depth

Other Titles
Deformation of Corrugated Steel Plate Culverts in the Areas with Minimum Depth
Authors
김명일박두희
Issue Date
Jul-2014
Publisher
한국지반환경공학회
Keywords
Corrugated steel plate culverts; Relieving slab; Minimum depth; Deformation; 파형강판 암거; 응력이완슬라브; 최소토피고; 변형
Citation
한국지반환경공학회 논문집, v.15, no.7, pp 23 - 30
Pages
8
Indexed
KCI
Journal Title
한국지반환경공학회 논문집
Volume
15
Number
7
Start Page
23
End Page
30
URI
https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/159539
DOI
10.14481/jkges.2014.15.7.23
ISSN
1598-0820
2714-1233
Abstract
본 논문에서는 고속도로 하부의 최소토피고 1.5 m 미확보구간에 시공한 파형강판 암거의 변형 특성에 관한 내용을 다루고 있다. 대부분 저토피구간에서의 파형강판 암거는 변형을 최소화하기 위하여 설계기준에서 제시된 최소토피고에 준하여 설계 및 시공하게 되어있다. 또한 시공 여건이 여유치 못할 경우 응력이완슬라브를 설치하여 파형강판으로 전달되는 하중을 분산 및 최소화 시키고 있다. 그러나 부득이 최소토피고를 확보하지 못한 구간에서 파형강판 암거 시공을 할 경우 일부 변형이 발생할 수 있다. 따라서 본 논문에서는 최소토피고 미확보 구간에서의 변형 특성에 대해 조사를 실시하였고 조사 결과 실제 응력이완슬라브 모서리 부분의 포장 및 평탄성 불량 문제 등이 발생하고 있는 것으로 나타났다. 이에 최소토피고 미확보 구간에 설치된 파형강판 암거의 구조적 안정성에 대한 검토와 포장파손의 원인 및 대책방안을 연구하였다.
This paper deals with the characteristics of deformation of the underground corrugated steel plate culverts constructed in the areas where the minimum depth of within 1.5 m soil cover is not secured in the bottom of highways. The underground corrugated steel plate culverts at shallow depth are often designed and constructed with the consideration of the minimum depth of soil cover according to the design standards, which was made in order to minimize any deformation. Additionally, if under unfavorable conditions, slabs are set up for stress relaxation to disperse and minimize the weight of loads transferred to the corrugated steel plate culverts. Nevertheless, if the underground corrugated steel plate culverts are built in areas where the minimum depth of soil cover inevitably cannot be secured, there may occur some deformation. In this paper, a research was carried out to identify the characteristics of deformation in areas where the minimum depth of soil cover is not secured. The result shows that there existed the deterioration of pavement and in its smoothness around the corners of slabs for stress relaxation. To this end, this paper studied the structural stability of the underground corrugated steel plate culverts established in the areas with no minimum depth of soil cover secured, with the consideration of causes and solutions of pavement deterioration.
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