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2019 Vol.29, Issue 4 Preview Page

Research Article

A Study on Improvement of Road Compaction Method in Soft Ground

연약지반 상 노상다짐 방법 개선에 대한 연구

Hyeonsuk Choi1
,
Hohun Jang1*
최 현석1
,
장 호훈1*
1Graduate Student, Department of Civil Engineering, Chosun University
1조선대학교 토목공학과 박사과정
*Corresponding Author
31 December 2019. pp. 427-437
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Abstract

The purpose of this study is to improve construction cost, time, and field management when constructing a road on soft soil foundation by eliminating extra-banking of subgrade layer after completion of the consolidation process. The subgrade layer was pre-constructed before the soft ground improvement. And then it was confirmed by the field test that the compaction effect was maintained or not after consolidation settlement. As a result of the experiment, all subgrade layers were kept constant except for the top subgrade layer. So it would be advantageous to secure economical and practical in road construction if subgrade layers were constructed exclusive of the top subgrade layer.

Keywords
compaction
sub-base layer
soft ground improvement
consolidation

본 연구의 목적은 대단위 연약지반 조성지역에서 도로를 건설할 때 노체층까지 다짐시공 후 압밀처리기간완료에 따른 여성토를 제거하고 노상층을 시공하므로 공사비용, 시간, 현장관리 등의 문제점을 개선하고자 하였다. 노상층을 연약지반 개량 전에 선시공하여 여성고에 포함시키고 압밀침하 완료 후 선시공된 노상층의 다짐도 유지유무를 현장시험을 통하여 확인하였다. 실험결과, 제 1노상층을 제외한 모든 노상층은 일정하게 유지되었다. 따라서 제 1노상층을 제외하고 시공한다면 도로건설에서 경제적 시공성을 확보하는 것이 유리한 것으로 판단된다.

키워드
다짐
노상층
연약지반개량
압밀
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Information
  • Publisher :Korean Society of Engineering Geology
  • Publisher(Ko) :대한지질공학회
  • Journal Title :The Journal of Engineering Geology
  • Journal Title(Ko) :지질공학
  • Volume : 29
  • No :4
  • Pages :427-437
  • Received Date : 2019-10-17
  • Accepted Date : 2019-10-18
  • DOI :https://doi.org/10.9720/kseg.2019.4.427
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