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Experimental Tests of Concrete Plate Deflection on Soft Soil Improved by Prefabricated Vertical Drain
Athaya Zhafirah (a*), Syahril (a), Andri Krisnandi Somantri (a)

a) Department of Civil Engineering, Politeknik Negeri Bandung, Jalan Gegerkalong Hilir, Bandung 40559, Indonesia
*athaya.zhafirah.mtri15[at]polban.ac.id


Abstract

The low permeability of soft soils results in slow water flows from the consolidation and the low bearing capacity. The soil improvement that can be is by using Prefabricated Vertical Drain (PVD). The use of PVD significantly reduces the length of the soil pore drainage pathway, so that it can increase the bearing capacity of the soil due to the compaction process from the release of pore water from the soil. Experimental testing in the laboratory was carried out using a steel box measuring 1000 mm x 1000 mm x 1000 mm. There are three samples, soil without PVD and soil with PVD triangular patterns of distances of 100 mm and 150 mm. Preloading is carried out before loading on the concrete plate. Concrete plates measuring 700 mm x 100 mm x 30 mm and load media are proving rings with a capacity of 10 kN. The load placed in the center, the end, and the edge of the plate. The loading test results on a concrete plate on soil with PVD can reduce deflection that occurs compared to soil without PVD. Deflection reduction is more effective for PVD with a distance of 100 mm.

Keywords: Soft soil; Prefabricated vertical drain; Concrete plate; Deflection; Experimental

Topic: Civil Engineering

Link: https://ifory.id/abstract/n4X38AbuP6aH

Conference: The 1st Annual Advanced Technology, Applied Science, and Engineering Conference (ATASEC 2019)

Plain Format | Corresponding Author (Athaya Zhafirah)

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