Results 131 to 140 of about 317 (185)

Human papillomavirus genotype and cycle threshold value from self-samples and risk of high-grade cervical lesions: A post hoc analysis of a modified stepped-wedge implementation feasibility trial. [PDF]

PLoS Med
Lei J, Cuschieri K, Patel H, Lawrence A, Deats K, YouScreen trial team, Sasieni P, Lim AWW.   +7 more
europepmc   +1 more source

Research on composite foundation rheology using the combined rheological element model. [PDF]

PLoS One
Qu J, Mao H, Wang F, Tang S, Wang X.
europepmc   +1 more source

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CPTU correlations for clays

2005
New correlations between various CPTU factors, undrained shear strength and overconsolidation ratio have been developed for soft to medium stiff clays. The correlations are based on comparing the CPTU results against undrained traxial compression strength and preconsolidation pressure determined on block samples of very high quality taken with the ...
Karlsrud K., Lunne T., Kort D.A., Strandvik S.   +3 more
openaire   +1 more source

Liquefaction potential of silts from CPTu

Canadian Geotechnical Journal, 2007
Silt tailings (slimes) are difficult materials to test in that, like sands, it is extremely difficult to obtain undisturbed samples and subsequently re-establish them in a triaxial cell for element testing in a laboratory in anything approaching their in situ condition.
Dawn A Shuttle, John Cunning
openaire   +1 more source

CPTU dissipation behavior of overconsolidated clay

2005
In normally clays and silts, excess pore pressures due to piezocone penetration show a monotonically decreasing response with time, but dissipation tests performed in heavily overconsolidated soils show dilatory behavior. Therefore, available solutions proposed for normally consolidated soils do not adequately evaluate the response of pore water ...
Lee W.J., Kim T.J., Kim S.I.
openaire   +1 more source

An Update on Pile-CPTu Direct Correlations

Ports 2013, 2013
The axial pile capacity can be estimated from the cone penetration test (CPT) using either indirect methods or direct methods. The indirect methods employ a dual-phase methodology of estimating the geoparameters for evaluating the shaft and base resistance (fp and qb, respectively) of the pile capacity.
openaire   +1 more source

Seismic CPTu to Assist the Design on Existing Foundations

Soil Dynamics and Earthquake Engineering, 2010
Limited space in urban area makes it attractive to reuse the existing foundation. This paper presents a case study on the use of seismic piezocone penetrometer (SCPTu) to conduct parallel seismic test for the determination of the length of unknown foundation.
Xiong (Bill) Yu, Jian Fang, Guoming Lin
openaire   +1 more source

Variation for Soil Stress on CPTU Model Test

Applied Mechanics and Materials, 2010
Through a series of Piezocone Penetration Test (CPTU) model tests with saturated clay soil, by CPTU probe penetrating soil stress measured by soil pressure mini-cells embedded into soil has been acquired, the variation rules of soil stress by penetrating has been analyzed, the results show that with probe close to the second cell layer, the stress ...
Yan Chun Tang, Gao Tou Meng
openaire   +1 more source

CPTU Classification Diagrams for Identification of Sensitive Clays

2017
When dealing with slope stability considerations in deposits where sensitive and quick clays might be encountered it is vital to map the extent of these clays. For the geotechnical engineer, the cone penetration test with pore pressure measurement (CPTU) is a powerful tool in this respect.
Anders Samstad Gylland, Rolf Sandven, Alberto Montafia, Andreas Aspmo Pfaffhuber, Kristoffer Kåsin, Mike Long   +5 more
openaire   +1 more source

Research on Multi-Cylinder CPTU Probe

2023 5th International Conference on Intelligent Control, Measurement and Signal Processing (ICMSP), 2023
Kun Li, Qing Li, Qinghe Sheng, Jianping Zhou   +3 more
openaire   +1 more source