Analisis Penurunan Tanah (Settlement) Pada Proyek Fly Over Pasar Pagi Arengka Jalan Soebrantas-Soekarno Hatta Kota Pekanbaru Melalui Uji N-SPT

Arrahman, Taufan Khalif (2020) Analisis Penurunan Tanah (Settlement) Pada Proyek Fly Over Pasar Pagi Arengka Jalan Soebrantas-Soekarno Hatta Kota Pekanbaru Melalui Uji N-SPT. Other thesis, Universitas Islam Riau.

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Abstract

The area is administratively included to Jalan Tuanku Tambusai-Jl Arengka, Pekanbaru City, Riau province. While geographic research area is located pada0 ° 30 ' 0.79 "N 101 ° 24 ' 57.88 " E-0 ° 30 ' 0.16 "N 101 ° 24 ' 53.17 " E. Development that will Conducted Fly over in this area became the basis of this research. To find out how an Atterberg's boundaries, compressibility and the likelihood of a ground decline in drill 1 use the value of N SPT. The purpose of this study: (1) to know the large grain size of soil samples. (2) Knowing the value of the liquid limit, the plastic boundary and the plastic index of the soil samples. (3) Knowing the possibility of land degradation in the research area. (4) Knowing the decline of modelling using the Plaxis 2D method (5) knows the relationship of decreasing values based on NSPT and Plaxis (6) Knowing the relationship of sieve analysis and Attaberg limit with decreased results. Methods of data retrieval are done with, soil testing in the field and soil testing in the laboraturium. A large analysis of the grain is done with a sieve analysis. Plastic boundary, liquid and plastic boundary indices with method Attaberg limit. Decreased analysis with NSPT value tests. Based on the results of the analysis, the large value of a categorized item has a poor gradation, the Attaberg analysis limit is non-plastically, the analysis of the decline occurred in drill 1 by 2.077 cm based on the Plaxis modelling, the NSPT value affects the decline, The smaller the NSPT value the greater the decline, so does the opposite.

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