A Simple Shaking Table Test to Measure Liquefaction Potential of Prambanan Area, Yogyakarta, Indonesia

Mase, Lindung Zalbuin; Fathani, Teuku Faisal; Adi, Agus Darmawan

doi:10.11113/aej.v11.16874

Cited by 11 publications

(6 citation statements)

References 22 publications

(38 reference statements)

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“…The generation of r u resulted in a proportional increase in line with the seismic duration. Moreover, Deepsoil v7.0 reported a significant increase in pore water pressure in < 15 seconds, and the r u reached 0. a previous study generated a maximum r u at > 5 seconds (Mase et al, 2021). Another study conducted using numerical method showed that the time required to generate maximum r u was dependent on the seismic load and soil characteristics (Mase, 2017b;Prakoso et al, 2022).…”

Section: Resultsmentioning

confidence: 90%

The Correlation of Liquefaction Potential and Probability on Excess Pore Water Pressure in Kretek 2 Bridge Area

Zakariya,

Rifa'i,

Ismanti

2023

jcef

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Liquefaction is soil condition associated with the drastic increase in pore water pressure of uniform sandy soil due to an enormous earthquake. Therefore, this study aimed to investigate the correlation of liquefaction potential with excess pore water pressure ratio in nine boreholes located at Kretek 2 Bridge area using empirical and numerical methods. Liquefaction potential was estimated based on a semi-empirical method simplified by Idriss and Boulanger (2008), and safety factor (SF) value of <1.0 was used to represent the existence of its potential. The result showed that liquefaction potential was dominant at depths of 1.5 to 6.0 m, with the exception of BH-9 with 16.5 m and BH-4. Furthermore, the excess pore water pressure ratio was estimated using empirical method developed by Yegian and Vitelli (1981) as well as Serafini and Perlea (2010). Numerical analysis was also conducted for comparison purposes and the process focused on using Deepsoil v7.0 to generate excess pore water pressure by considering soil conditions and dominant seismic sources in Kretek 2 Bridge area. The result showed that the ratio of excess pore water pressure was greater or equaled 0.8. Both empirical and numerical methods produced similar values for BH-1, BH-2, BH-8, and BH-9 at a depth of 1.5–3.0 m, 3–4.5 m, 3.0 m, and 16.5 m, respectively. This showed a correlation between excess pore water pressure ratio and liquefaction potential values at the same depth. However, numerical method tended to overestimate the ru value, necessitating the use of empirical method to obtain a more reliable result.

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Section: Resultsmentioning

confidence: 90%

The Correlation of Liquefaction Potential and Probability on Excess Pore Water Pressure in Kretek 2 Bridge Area

Zakariya,

Rifa'i,

Ismanti

2023

jcef

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“…The locally available sand that passes through a 425-micron and a retained 75-micron IS sieve was selected for the study, which fulfills the requirement recommended by Shields and Row [26]. Properties of all the drain materials used in the study are given in Table 2, and the particle size distribution is presented in Fig.…”

Section: Experimental Programmementioning

confidence: 99%

“…In areas with high seismicity, sand particles with no fulfill criteria for drainage resulted in liquefaction during earthquakes. Maze et al [26] showed from their study that the sand undergoes liquefaction under variation in dynamic loading. The criteria suggested by Shields and Row [27] could be used for selecting the size of sand used as drain material.…”

Section: Introductionmentioning

confidence: 99%

Utilization of waste materials as a substitute for the sand drain in clayey soil

Aparna

Bindu²

2023

Geo-Engineering

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The practice of pre-compression with sand drains is a widely accepted soil stabilization method for improving soft soil deposits. The scarcity of quality sand contributed to the substitution of a more cost-effective material. An effort was made in the present investigation to utilize waste products like quarry dust (QD), coir pith (CP), fly ash (FA), and rice husk ash (RHA) as the vertical drain in clayey soils. A sand drain (SD) has been used for comparison purposes. Kuttand Clay (KC) and Cochin marine clay (CMC) was selected for the study. Tests were conducted on conventional oedometer cells with a diameter of 6 cm and a height of 2 cm using vertical and radial consolidation models. In addition, this paper demonstrated the effect of the density of drain on radial consolidation characteristics. From the analysis, it was observed that the rate of consolidation increases with the inclusion of any drain material. The radial coefficient of consolidation using sand, quarry dust, and coir pith drain shows a higher value when comparing with the other drain material, which can be owing to their high permeability. The present study can recommend that the quarry dust and coir pith drain, or maybe the combination can be a better alternative for the sand drain.

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“…The previous studies were conducted to investigate liquefaction potential in parts of Yogyakarta [2], New Yogyakarta International Airport [3], and the Solo-Yogyakarta toll road. However, the study about potential liquefaction in the Yogyakarta-Bawen toll road project location is currently limited compared to other national strategic projects in Special Region of Yogyakarta.…”

Section: Figure 2 Liquefaction Susceptibility Zone Map In Central Jav...mentioning

confidence: 99%

The Preliminary Study of Liquefaction Susceptibility Map in the Yogyakarta-Bawen Toll Road Sections I and II, Indonesia

Kevin

Muhrozi²

2023

ced

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The parts of Yogyakarta-Bawen Toll Road Indonesia, based on the geological agency’s liquefaction susceptibility map are located on moderately susceptible to liquefaction soil. This map can be a preliminary indication of liquefaction as it can roughly indicate liquefaction potential. However, it cannot illustrate the actual condition in detail as its inputs are macro parameters (geological and seismicity factors). The existence of silty sand and sand, earthquake sources, and shallow groundwater increase the liquefaction possibility to occur in this important national project. Therefore, the Liquefaction Severity Index (LSI) and the Liquefaction Potential Index (LPI) using Sonmez’s and Iwasaki’s analysis methods are conducted with peak ground acceleration (PGA) of 0.322 g for the first section and in the second section 0.298 g. The results of the three types of analysis have relatively similar trends but the differences are in each category. The LSI’s categories are very low-moderate in the observed location, meanwhile, the LPI’s categories are low-very high.

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A Simple Shaking Table Test to Measure Liquefaction Potential of Prambanan Area, Yogyakarta, Indonesia

Cited by 11 publications

References 22 publications

The Correlation of Liquefaction Potential and Probability on Excess Pore Water Pressure in Kretek 2 Bridge Area

The Correlation of Liquefaction Potential and Probability on Excess Pore Water Pressure in Kretek 2 Bridge Area

Utilization of waste materials as a substitute for the sand drain in clayey soil

The Preliminary Study of Liquefaction Susceptibility Map in the Yogyakarta-Bawen Toll Road Sections I and II, Indonesia

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