CD Skripsi

Korelasi Nilai Cbr Dan Mackintosh Probe Pada Tanah Lempung Dengan Variasi Campuran Bentonite, Kaolin Dan Pasir

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ABSTRACT
Coastal areas are typically characterized by non-uniform soil properties, often
featuring soft, water-saturated soils with high plasticity, which frequently results in
low soil bearing capacity. This study aims to investigate the relationship between
California Bearing Ratio (CBR) values and Mackintosh Probe (MP) test results by
utilizing a mixture of clay soil comprising bentonite and kaolin with sand in various
compositions. These mixtures were prepared as laboratory test samples to simulate
the soil conditions in these areas. The primary objective of this research is to
develop a faster and more efficient alternative method for estimating soil bearing
capacity in coastal regions. A total of 81 samples were prepared with variations in
moisture content, compaction levels, and the composition of sand and clay
mixtures. Testing was conducted using both CBR and MP methods. The analysis
revealed a significant positive correlation between MP and CBR values,
represented by the linear regression model: CBR = 0.7498 * MP, with a coefficient
of determination (R²) of 0.9542. This indicates that approximately 95.42% of the
variation in CBR values can be predicted from the MP test results. The model's
accuracy was further validated through training and testing using 5 randomly
selected data points from the sample set. The findings suggest that the Mackintosh
Probe can serve as a preliminary tool for estimating soil bearing capacity in coastal
areas, particularly in field conditions where laboratory equipment is limited.
However, for broader applicability, further validation of this model is necessary to
accommodate more complex soil conditions in the field.
Keywords: Coastal area, clay soil, sand, CBR, Mackintosh Probe

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Ketersediaan

Informasi Detail

Judul Seri

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No. Panggil

2007110807

Penerbit

Pekanbaru : Universitas Riau – F.TEKNIK – sipil., 2025

Deskripsi Fisik

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Bahasa

Indonesia

ISBN/ISSN

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Klasifikasi

2007110807

Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

TEKNIK SIPIL

Info Detail Spesifik

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Pernyataan Tanggungjawab

daus

Versi lain/terkait

Lampiran Berkas

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