Penetration test ≈ Penetration test
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Cone penetration test (CPT)-based soil behaviour type (SBT) classification system — an update Open
A soil classification system is used to group soils according to shared qualities or characteristics based on simple cost-effective tests. The most common soil classification systems used in geotechnical engineering are based on physical (…
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An artificial neural network based model to predict spatial soil type distribution using piezocone penetration test data (CPTu) Open
Soil types mapping and the spatial variation of soil classes are essential concerns in both geotechnical and geoenvironmental engineering. Because conventional soil mapping systems are time-consuming and costly, alternative quick and cheap…
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Preliminary Validation of a Novel Method for the Assessment of Effective Stress State in Partially Saturated Soils by Cone Penetration Tests Open
A proper assessment of the soil effective stress state is crucial in many cases to identify a potential geological/geotechnical hazard as shallow landslides or failure of levees that may have a significant impact on human activities and de…
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Investigating influence of mineral filler at asphalt mixture and mastic scales Open
This study is devoted to understand the mechanisms of mineral fillers in asphalt at the mixture and mastic scales. To do so, the physical properties of asphalt mixtures and mastics were evaluated; in addition, a chemical investigation was …
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Effect of Nano Silica Particles on Impact Resistance and Durability of Concrete Containing Coal Fly Ash Open
In this study, the effect of adding nano-silica (NS) particles on the properties of concrete containing coal fly ash were explored, including the mechanical properties, impact resistance, chloride penetration resistance, and freezing–thawi…
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Evaluation of Asphalt Mixture Low-Temperature Performance in Bending Beam Creep Test Open
Low-temperature cracking is one of the most common road pavement distress types in Poland. While bitumen performance can be evaluated in detail using bending beam rheometer (BBR) or dynamic shear rheometer (DSR) tests, none of the normaliz…
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Interpretation of Cone Penetration Test Data in Layered Soils Using Cavity Expansion Analysis Open
Cavity expansion theory plays an important role in many geotechnical engineering problems, including the cone penetration test (CPT). One of the challenges of interpreting CPT data is the delineation of interfaces between soil layers and t…
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Rheological Behaviour of WMA-Modified Asphalt Binders with Crumb Rubber Open
Crumb rubber (CR) is one of the materials most widely used in the road infrastructure industry due to its mechanical and environmental benefits as an asphalt binder modifier. Nonetheless, CR decreases the workability of mixes by increasing…
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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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Analysis of Piezocone Penetration under Different Drainage Conditions with the Two-Phase Material Point Method Open
The piezocone penetration test (CPTU) is commonly used to identify the soil profile and to estimate material properties. Depending on the soil type, ranging from clay to sand, undrained, partially drained or drained conditions may occur du…
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Performance Test on Styrene-Butadiene-Styrene (SBS) Modified Asphalt Based on the Different Evaluation Methods Open
To uniform the evaluation indicators of Styrene-Butadiene-Styrene (SBS) modified asphalt, the SK70# and SK90# matrix asphalt were modified by different SBS modifier dosage in this study. The test methods in China and Superpave were used to…
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Determination of efficient sampling locations in geotechnical site characterization using information entropy and Bayesian compressive sampling Open
Site characterization is indispensable in geotechnical engineering practice, and measurements on soil properties are performed through in situ tests, laboratory tests or other methods. However, due to time or budget limit, technical or acc…
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Anti-rutting performance evaluation of modified asphalt binders: A review Open
Asphalt pavement inevitably suffers rutting distress induced by repeated loads under high temperatures, which can be effectively alleviated by the modification of asphalt binders. This paper summarized the asphalt modifiers for enhancing t…
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Evaluating Seismic Soil Liquefaction Potential Using Bayesian Belief Network and C4.5 Decision Tree Approaches Open
Liquefaction is considered a damaging phenomenon of earthquakes and a major cause of concern in civil engineering. Therefore, its predictory assessment is an essential task for geotechnical experts. This paper investigates the performance …
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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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Mechanical properties of asphalt concrete modified with carbon nanotubes (CNTs) Open
Three different percentages of carbon nanotubes (CNTs) (0.1%, 0.5%, and 1% by mass of asphalt cement) were used to modify conventional asphalt cement (60/70) in this study. Mechanical properties of modified asphalt cement and mixture were …
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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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Drop-Weight Impact Test on U-Shape Concrete Specimens with Statistical and Regression Analyses Open
According to the principle and method of drop-weight impact test, the impact resistance of concrete was measured using self-designed U-shape specimens and a newly designed drop-weight impact test apparatus. A series of drop-weight impact t…
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Development of a New Procedure for Nail Penetration of Lithium-Ion Cells to Obtain Meaningful and Reproducible Results Open
Internal short circuit tests of Lithium-Ion Batteries (LIBs) are used to test battery safety behavior in a custom made battery cell stressing chamber. However, systematic investigations regarding the test setup and test procedure are rare.…
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Study on the Similarity Laws for Local Damage Effects in a Concrete Target under the Impact of Projectiles Open
The local destruction and deformation characteristics of a concrete target impacted by a rigid projectile were analyzed, and the similarity laws for local damage effects in the concrete target were studied utilizing the rigid-plastic, inte…
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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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Centrifuge modelling of cone penetration tests in layered soils Open
Penetration problems are important in many areas of geotechnical engineering, such as the prediction of pile capacity and interpretation of in situ test data. The cone penetration test is a proven method for evaluating soil properties, yet…
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Engineering properties of bitumen modified with bio-oil Open
The current high price of crude oils for bitumen production has led to various studies on the most economical way in replacing or reducing the amount of virgin bitumen as a binder in road pavement while increasing their pavement performanc…
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Improving the rutting resistance of asphalt pavement modified with the carbon nanotubes additive Open
Up to the present time, assiduous efforts were devoted to mitigating the development of asphaltic pavement rutting. To this intention, nanotechnology recently received considerable attention to magnify the resistance against such distress.…
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Penetrometer testing in a calcareous silt to explore changes in soil strength Open
This paper describes a centrifuge study using a range of penetrometer tests (T-bar, piezocone and free-fall piezocone) to explore strength changes in a reconstituted, normally consolidated, natural calcareous silt. Various penetrometer tes…
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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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Reconnaissance on Liquefaction-induced Flow Failure Caused by the 2018 Mw 7.5 Sulawesi Earthquake, Palu, Indonesia Open
The Mw 7.5 Sulawesi Earthquake 2018 was a catastrophic disaster that resulted in large numbers of casualties. This study aimed to investigate the damages of liquefaction-induced-flow failure in three areas in Palu city, i.e. Petobo, Balaro…
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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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Hard rock tunnel boring machine penetration test as an indicator of chipping process efficiency Open
© 2017 Institute of Rock and Soil Mechanics, Chinese Academy of Sciences. The transition from grinding to chipping can be observed in tunnel boring machine (TBM) penetration test data by plotting the penetration rate (distance/revolution) …