Standard penetration test ≈ Standard penetration test
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Interpretive Structural Modeling and MICMAC Analysis for Identifying and Benchmarking Significant Factors of Seismic Soil Liquefaction Open
Seismic soil liquefaction is considered as one of the most complex geotechnical earthquake engineering problems owing to the uncertainty and complexity involved in soil parameters, seismic parameters, and site condition factors. Each one o…
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Correlation of densities with shear wave velocities and SPT<i>N</i>values Open
Site effects primarily depend on the shear modulus of subsurface layers, and this is generally estimated from the measured shear wave velocity (Vs) and assumed density. Very rarely, densities are measured for amplification estimation becau…
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Predicting standard penetration test N-value from cone penetration test data using artificial neural networks Open
Standard Penetration Test (SPT) and Cone Penetration Test (CPT) are the most frequently used field tests to estimate soil parameters for geotechnical analysis and design. Numerous soil parameters are related to the SPT N-value. In contrast…
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Liquefaction analysis of sandy soil during strong earthquake in Northern Thailand Open
Northern Thailand has experienced several earthquakes which led to soil liquefaction in the past few decades. Traditional methods of evaluating liquefaction potential involve standard penetration test (SPT) or cone penetration tests. This …
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Effect of Micropiles on Clean Sand Liquefaction Risk Based on CPT and SPT Open
Liquefaction is a hazardous seismic-based phenomenon, which causes an abrupt decrease in soil strength properties and can result in the massive destruction of the built environment. This research presents a novel approach to reduce the ris…
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Liquefaction Potential Analysis Along Coastal Area of Bengkulu Province due to the 2007 Mw 8.6 Bengkulu Earthquake Open
This paper presents a seismic response analysis study of liquefiable sites along the northern parts of the coastal area of Bengkulu Province that underwent liquefaction phenomena during the strong earthquake (8.6 Mw) on 12 September 2007. …
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Applications of Electrical Resistivity Surveys in Solving Selected Geotechnical and Environmental Problems Open
Standard test methods may not be suitable or sufficient for determining the geotechnical conditions of a structure’s subsoil and the effects of the designed structures on the environment. Geophysical test methods, validated with other meth…
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Liquefaction analysis of Izumio sands under variation of ground motions during strong earthquake in Osaka, Japan Open
This paper presents a study of liquefaction analysis at sand layers of the Izumio site, under ground motion variation during a strong earthquake in Osaka, Japan. Site investigation using standard penetration test and shear wave velocity me…
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Empirical correlation between uncorrected standard penetration resistance (<i>N</i>) and shear wave velocity (<i>V</i><sub>S</sub>) for Kathmandu Valley, Nepal Open
The indirect method of estimation of VS is more important as geophysical tests associated with direct determination of VS are not feasible in developing countries like Nepal; on the contrary, standard penetration resistance (SPT-N) measure…
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Evaluation of Geotechnical Parameters using Geophysical Data Open
The financial implications and the time required for carrying out a comprehensive geotechnical investigation to characterize a site can discourage prospective private residential building developers, especially where a large area of land i…
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Soil liquefaction potential in Kahramanmaras, Turkey Open
This study presents the liquefaction potential in Kahramanmaras city, which is located on the seismically active zones of East Anatolian and Dead Sea Faults in southern central Turkey. Geotechnical investigations in the city were carried o…
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Prediction of bearing capacity of driven piles for Basrah governatore using SPT and MATLAB Open
Based on the results of standard penetration tests (SPTs) conducted in Al-Basrah governorate, this research aims to present thematic maps and equations for estimating the bearing capacity of driven piles having several lengths. The work in…
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A novel direct SPT method to accurately estimate ultimate axial bearing capacity of bored PHC nodular piles with 81 case studies in Vietnam Open
Bored PHC nodular piles (BPNP) are an eco-friendly and advantageous option for pile foundations of medium-rise to high-rise buildings. As none of the current methods to estimate the ultimate axial load-bearing capacity is accurate enough f…
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Correlation between PMT and SPT results for calcareous soil Open
The simplicity and low cost of the standard penetration test (SPT) have always been the major advantages of this test over other field tests. Despite that other field tests (e.g. PMT, CPT, DMT, …) are supposed to provide more reliable resu…
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Static and dynamic properties of soils in Catania (Italy) Open
The analysis of the historical reports and previous research projects allowed us to describe high-level seismic risk scenarios for the city of Catania, located on the eastern coast of Sicily (Italy). The geotechnical zonation of the subsoi…
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Geotechnical assessment for the ground conditions in Makah Al-Mukarramah city, Saudi Arabia Open
In the current study, the geotechnical properties of the near-surface geological units are collected, tested, correlated, evaluated, and then mapped. In addition, the groundwater level is estimated through comprehensive geotechnical invest…
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Empirical Correlation between Standard Penetration Resistance (SPT-N) and Shear Wave Velocity (Vs) for Soils in Metro Manila, Philippines Open
The measurement of the shear wave velocities (Vs) of soils is an important aspect of geotechnical and earthquake engineering, due to its direct relation to the shear modulus (G), which in turn influences the stress–strain behavior of geoma…
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SOIL BEARING CAPACITY REFERENCE FOR METRO MANILA, PHILIPPINES Open
This study focuses on the analysis of the soil bearing capacities of the various cities and municipalities of Metro Manila, Philippines. The allowable soil bearing capacities to be used for foundation design were calculated through various…
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Evaluation of Ultimate Bearing Capacity of Pre-Stressed High-Strength Concrete Pipe Pile Embedded in Saturated Sandy Soil Based on In-Situ Test Open
Estimation of ultimate bearing capacity (UBC) of pre-stressed high-strength concrete (PHC) pipe pile is critical for optimizing pile design and construction. In this study, a standard penetration test (SPT), static cone penetration test (C…
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Reliability of Using Standard Penetration Test (SPT) in Predicting Properties of Soil Open
The properties of soil play important role in many practices of geotechnical engineering. The soil classification tests such as Atterberg limits are quick and easy to perform and also cheaper compared to the test required to determine the …
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Evolution of Deep Neural Network Architecture Using Particle Swarm Optimization to Improve the Performance in Determining the Friction Angle of Soil Open
This study focuses on the use of deep neural network (DNN) to predict the soil friction angle, one of the crucial parameters in geotechnical design. Besides, particle swarm optimization (PSO) algorithm was used to improve the performance o…
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Estimation of bedrock depth for a part of Garhwal Himalayas using two different geophysical techniques Open
It has now been well established that the depth of bedrock is a key parameter in assessing the impact of local site conditions on seismic hazard analysis. Where conventional geotechnical testing like standard penetration test (SPT) or cone…
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A National <i>V</i><sub><i>S</i>30</sub> Model for South Korea to Combine Nationwide Dense Borehole Measurements With Ambient Seismic Noise Analysis Open
The average shear‐wave velocity within the top 30 m from the surface, V S 30 , represents site characteristics including the soil classification and site amplification that are essential information for building codes and seismic design. A…
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Use of GIS Based Maps for Preliminary Assessment of Subsoil of Guwahati City Open
Guwahati, the major city in the North Eastern region of India is growing rapidly in every aspect with major infrastructures like sports complex, educational institutions, hospitals, flyovers, multiplex halls, etc. Knowledge of the subsurfa…
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Near-surface seismic refraction tomography and MASW for site characterization in Phuentsholing, Bhutan Himalaya Open
It is essential to understand the soil characteristics of the subsurface layers for any engineering construction. In difficult terrains like hilly areas, conventional methods of investigation are expensive and difficult to conduct. It call…
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Implementation of Seismic Ground Response Analysis in Estimating Liquefaction Potential in Northern Thailand Open
DOI:10.17014/ijog.8.3.371-383It has been known that northern Thailand is an active tectonic region in Southeast Asia. Some earthquakes with low to medium magnitudes had occurred in northern Thailand. The Mw6.1 Mae Lao Earthquake occurred o…
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Contribution to Estimating Bearing Capacity of Pile in Clayey Soils Open
The estimation of real geotechnical parameters is key factor for safe and economic design of geotechnical structures. One of these are pile foundations, which require proper design and evaluation due to accessing more deep foundation soil …
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Subsurface profiling using integrated geophysical methods for 2D site response analysis in Bangalore city, India: a new approach Open
Recently, site response analysis has become a mandatory step for the design of important structures. Subsurface investigation is an essential step, from where the input parameters for the site response study like density, shear wave veloci…
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Assessment of Soil Liquefaction Potential in Kamra, Pakistan Open
In seismically active regions, soil liquefaction is a serious geotechnical engineering problem that mainly occurs in saturated granular soils with a shallow groundwater table. Significant seismic hazards are present in Kamra, Pakistan. Wit…
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Site-Specific Ground Response Analysis using the Geotechnical Dataset in Moderate Seismicity Region Open
An understanding of the soil response to dynamic waves from the earthquakes is an important aspect of engineering safety measures against tremors. This research presents the equivalent linear site response analysis of the Miri district by …