Soil Characteristics in the Yetni Yahukimo River Area

Reny, Rochmawati and Andung, Yunianta and Irianto, Irianto (2021) Soil Characteristics in the Yetni Yahukimo River Area. In: The 5th International Symposium on Infrastructure Development, 28 - 29 August 2020, Makasar, Indonesia.

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Abstract

Rivers have a significant role in life and economic activity in Papua. The river not only acts as a source of raw water or irrigation water but is also rich in biodiversity. Uncontrolled logging and methods of clearing land for various purposes, including agricultural use by burning, have resulted in land damage. The land investigation aims to determine the characteristics of the soil in the Yetti River, Yahukimo Regency, Papua, which is used as a basis for deciding infrastructure development. The methods used with geotechnical investigations (soil mechanics) are boring, sondir, and laboratory tests. From the laboratory test results, it is known that the soil in that location is dominated by clay soil with an average value of Gs 2.5, the water content of 27.7%, ɣm = 1.67 Mg / m3 and Sr = 74.01%.

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