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Contents
Pressure relief joint for preventing concrete pavement blowup / JeJin Park ; SungWoo Ryu ; JaeHoon Lee ; DeukSoo Son ; SungHo Bae ; WonKyong Jung 1
ABSTRACT 1
1. Introduction 1
2. Field Survey 2
3. Protrusion Test of PRJs 4
4. Finite Element Method Analysis 7
5. Draft Policy Improvement for PRJ Installation 8
6. Conclusions 8
References 9
초록보기
Blowup refers to concrete pavement distress resulting from compressive failure at joints or cracks when excessive concrete expansion occurs, compressive forces are generated, and the horizontal movement of the pavement is constrained. Blowup occurs because of many reasons including heatwaves caused by abnormal climatic conditions, improper installation spacing between expansion joints, pavement expansion due to an alkali–aggregate reaction, concrete pavement aging, and contraction joint failure. In the summer of 2018, the Korean peninsula experienced the worst heatwave ever recorded, and hence, the possibility of blowup increased. Consequently, the Korea Expressway Corporation established a draft policy for installing pressure relief joints (PRJs) to prevent blowup. In this draft, three installation classes were specified for installing PRJs on in-service roads, and the installation priority for each class was set such that the limited budget could be used efficiently. In addition, the draft presented specific guidelines for installing each class of PRJs and suggested PRJ cross sections that could ensure structural stability. However, the draft lacks systematic research on the causes of blowup and the development of countermeasures and does not provide an engineering basis for the suggested technological solutions to prevent blowup. Therefore, this study aimed to reexamine and complement the suitability of the existing PRJ installation standards through field studies, laboratory experiments, and analytical techniques.
Blowup refers to concrete pavement distress resulting from compressive failure at joints or cracks when excessive concrete expansion occurs, compressive forces are generated, and the horizontal movement of the pavement is constrained. Blowup occurs because of many reasons including heatwaves caused by abnormal climatic conditions, improper installation spacing between expansion joints, pavement expansion due to an alkali–aggregate reaction, concrete pavement aging, and contraction joint failure. In the summer of 2018, the Korean peninsula experienced the worst heatwave ever recorded, and hence, the possibility of blowup increased. Consequently, the Korea Expressway Corporation established a draft policy for installing pressure relief joints (PRJs) to prevent blowup. In this draft, three installation classes were specified for installing PRJs on in-service roads, and the installation priority for each class was set such that the limited budget could be used efficiently. In addition, the draft presented specific guidelines for installing each class of PRJs and suggested PRJ cross sections that could ensure structural stability. However, the draft lacks systematic research on the causes of blowup and the development of countermeasures and does not provide an engineering basis for the suggested technological solutions to prevent blowup. Therefore, this study aimed to reexamine and complement the suitability of the existing PRJ installation standards through field studies, laboratory experiments, and analytical techniques.권호기사
참고문헌 (12건) : 자료제공( 네이버학술정보 )
| 번호 | 참고문헌 | 국회도서관 소장유무 |
|---|---|---|
| 1 | Gress DL (1977) Blow-ups on resurfaced concrete pavements. PublicationFHWA/IN/JHRP-76/25, Joint Highway Research Project, Indiana Department of Transportation and Purdue University, West Lafayette, IN, USA, DOI: 10.5703/1288284313931 | 미소장 |
| 2 | Illinois Division of Highways (1967) A study of blowups in rigid pavements in Illinois. Research and Development Report 18, Illinois Division of Highways, Springfield, IL, USA | 미소장 |
| 3 | Kim MJ (2018) Heatwave breakthrough record at 60% of all weather stations in 2018. Chosunilbo, Retrieved February 4, 2019, http://news.chosun.com/site/data/html_dir/2018/08/05/2018080500864.html (in Korean) | 미소장 |
| 4 | Korea Expressway Corporation (2018a) Heatwave response road pavementconference materials. Korea Expressway Corporation, Gimcheon, Korea | 미소장 |
| 5 | Korea Expressway Corporation (2018b) Provisional measures to preventconcrete pavement blow-ups. Korea Expressway Corporation, Gimcheon, Korea | 미소장 |
| 6 | Lee GY (2018) The age when the oceans dominate the atmosphere increased risk of heatwave and heavy rain. Hankyoreh, Retreived March 24, 2019, http://www.hani.co.kr/arti/society/environment/863159.html (in Korean) | 미소장 |
| 7 | Ministry of Land, Infrastructure and Transport (2004) Development of korean pavement design guide and improvement of pavement performance. Ministry of Land, Infrastructure and Transport, Sejong, Korea (in Korean) | 미소장 |
| 8 | Ministry of Land, Infrastructure and Transport (2016) Road construction specifications. Ministry of Land, Infrastructure and Transport, Sejong, Korea (in Korean) | 미소장 |
| 9 | Park JW, Ryu SW, Oh HJ, Cho YH (2019) Relationship between cracking closure and zero stress temperature in concrete pavements. KSCE Journal of Civil Engineering 23(9):3961-3967, DOI: 10.1007/s12205-019-0875-7 (in Korean) | 미소장 |
| 10 | Smith KD, Snyde MB, Darter MI, Reiter MJ, Hall KT (1987) Pressure relief and other joint rehabilitation techniques. Final Report DTFH61-83-C00111 | 미소장 |
| 11 | The Aberdeen Group (2000) Problem blowup: A localized upward movement of an exterior concrete slab at a joint or crack. Technical Report, The Aberdeen Group, Boston, MA, USA | 미소장 |
| 12 | Walker D (2004) Pavement surface evaluation and rating concrete airfield pavements. Paser Manual | 미소장 |
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