Analysis of Soil Characteristics by Layer Based on the Robertson Et Al and Schmertmann Method from CPT (Cone Penetration Test)

Authors

  • Siti Nur Indah Sari State Sriwijaya of Polytechnic Indonesia
  • Dwi Wahyuni State Sriwijaya of Polytechnic Indonesia

DOI:

https://doi.org/10.22135/sje.2023.8.2.76-81

Abstract

Soil is the sub-base where the building structure is located, and the soil classification differs for each layer. There are many cases of failure in building construction due to poor soil, causing the building structure to crack and even collapse, which causes damage to the building - material and also dangerous for the building occupants. For this reason, soil investigation is significant to conduct before constructing the upper structure. One of them is the Sondir test. However, when the sondir data analysis of the qc and FR values are obtained, the Robertson et al method and the Schmertmann method will show the result of soil layer classification before construction begins. The research was located in a specific area, Bengkalis Road, Belawan Medan City, and North Sumatra. The research suggests that the soil in this location is predominantly soft with low shear resistance (qc ranging from 0 - 5 kg/m2), clay type, and depths of 6 - 7 meters. Due to these soil conditions, there are certain considerations and precautions that need to be taken into account if you plan to build on this land. One of them, soil improvement is given the soft and low shear resistance characteristics of the soil, its techniques may be necessary before construction. The suggested depth for the pile foundation is 10 - 20 meters. The actual depth would depend on factors such as the specific characteristics of the soil layers and the weight of the planned structure.

Keywords:

cone penetration test, soil investigation, classifications of soils

References

Pranantya, P. A., E. Sukiyah., E. P. Utomo, dan Hendarmawan, 2018, “Korelasi Nilai Sondir Terhadap Parameter Geoteknik Dan Rembesan Pada Pondasi Tanggul Fase E, Kalibaru, Jakarta Utaraâ€, Jurnal Sumber Daya Air, Vol. 14 No.2, p 73 – 86.

Noor, A., S. Octaviani, 2014, “Evaluasi Perkiraan Daya Dukung Teoritis Terhadap Daya Dukung Aktual Tiang Berdasarkan Data Sondir Dan Loading Testâ€, Jurnal INTEKNA, No. 1, p 1 – 101.

Kadarningsih, R., F. Achmad, 2014, “Evaluasi Penurunan Pondasi Gedung Auditorium Universitas Negeri Gorontalo Berdasarkan Data Sondirâ€, Laporan Penelitian Dana Pnbp Tahun Anggaran 2014.

Arsy, A. A., 2018, “Analisis Stabilitas Timbunan Pada Konstruksi Badan Jalan Dengan Perkuatan Geotekstil Menggunakan Metode Fellenius (Stability Analysis Of Embankment Of Road Construction With Geotextile Reinforcement Using Fellenius Method) (Studi Kasus: Proyek Jalan Tol Solo-Kertosono Sta 4 +175)â€, Program Studi Teknik Sipil Fakultas Teknik Sipil Dan Perencanaan Universitas Islam Indonesia.

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Published

08/18/2023

Issue

Vol. 8 No. 2 (2023): ENVIRONMENTAL TECHNOLOGY

Section

Articles

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