评估重力多块式码头墙和喷射路由在韩国海岸线海洋粘土上的地质工程性能

4区地球科学 Q3 Earth and Planetary Sciences

Journal of Coastal Research Pub Date : 2024-07-01 DOI:10.2112/JCOASTRES-D-23-00060.1

Sung Min Yang, Joon Kyu Lee

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引用次数: 0

摘要

ABSTRACT Yang, S.M. and Lee, J.K., 2024.韩国海岸线海洋粘土上的重力多块式码头墙和喷射灌浆的地质工程性能评估。Journal of Coastal Research, 40(4), 672-682.夏洛特（北卡罗来纳州），ISSN 0749-0208。喷射灌浆作为一种地基改良方法已被广泛应用于多个地质工程领域，但大多数案例研究都集中在路堤和开挖方面。本文介绍了韩国西南海岸重力砌块式码头墙的性能，该码头墙的下层软粘土是通过喷射灌浆柱改良的。文中介绍了喷射灌浆的方案和特性，以及墙土系统的施工历史和实测行为。对码头墙的沉降、侧向位移和水平土压力进行了有限元分析。计算结果与施工期间和施工后的实地数据比较吻合。此外，还研究了面积置换比（量化地面改良程度）对码头墙响应的影响。现场和数值结果表明，喷射灌浆柱增强了砌块式码头墙在软土上的性能。

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Evaluating the Geoengineering Performance of a Gravity Multiblock Quay Wall and Jet-Grouting on Marine Clayey Soils along the Korean Coastline

ABSTRACT Yang, S.M. and Lee, J.K., 2024. Evaluating the geoengineering performance of a gravity multiblock quay wall and jet-grouting on marine clayey soils along the Korean coastline. Journal of Coastal Research, 40(4), 672–682. Charlotte (North Carolina), ISSN 0749-0208. Jet-grouting has been widely used as a ground improvement method in several fields of geoengineering, but most of the case studies have focused on embankments and excavations. This paper describes the performance of a gravity block-type quay wall in the southwest coast of Korea where the underlying soft clayey soils were improved by jet-grout columns. The scheme and properties of jet-grouting and the construction history and measured behavior of the wall-soil system are presented. A finite element analysis was conducted to estimate the settlement, lateral displacement, and horizontal earth pressure of the quay wall. The computed results compare well with the field data during and after construction. The effect of area replacement ratio, quantifying the degree of ground improvement, on the response of the quay walls was also investigated. The field and numerical results show that the jet-grout columns enhanced the performance of the block-type quay wall over soft soils.

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来源期刊

Journal of Coastal Research 地学-地球科学综合

自引率

0.00%

发文量

审稿时长

3-8 weeks

期刊介绍： The Journal of Coastal Research (JCR) is one of the leading international journals for coastal studies and processes, and is published bi-monthly by the Coastal Education & Research Foundation [CERF]. By covering the entire field of coastal research, the JCR encompasses all subjects relevant to natural and engineered environments (freshwater, brackish, or marine) and the protection/management of their resources in the vicinity of coastlines of the world. Even though the journal broadly focuses on immediate shoreline zones, the JCR also embraces those coastal environments that either reach some indefinite distance inland or that extend seaward beyond the outer margins of the sublittoral (neritic) zone. The JCR disseminates accurate information to both the public and research specialists around the world on all aspects of coastal issues in an effort to maintain or improve the quality of our planet''s shoreline resources.