인천국제공항 부지 해성 점토에 대한 피에조콘과 딜라토미터 시험 결과 비교

Abstract

Piezocone test as well as Dilatometer tests are used worldwide to evaluate the engineering properties of clay soils. The common strong points of the two tests is that they can estimate, by the identical test equipment, various properties of soils, which are the unit weight of soils of OCR, K0 ,undrained shear strength(Su), coefficient of consolidaton(Ch)and soil classification etc.. A series of the two types of field tests are performed in this study on marine clays with low plasticity at Inchon International Airport construction site to estimate various properties of the soils such as Su, OCR, and Ch which are then compared each other as well as with the results of reference tests. The comparisons show that the way of interpretation is the most critical factor in obtaining confidential results for a certain engineering property for both tests.