... gauges and in situ testing. Falling weight deflectometer and light weight deflectometer tests were used to evaluate modulus values, and the results showed that all sections constructed with RAP-VA blends had equal or greater modulus values than the 100 % VA sections. International roughness index tests...

... 2023 30 06 2023 hydraulic conductivity permeability in situ testing Permeafor granular soils References Alyamani , M. S. and Şen   Z. . 1993 . “ Determination of Hydraulic Conductivity from Complete Grain-Size Distribution Curves .” Groundwater   31 , no.  4 (July...

... this resistance throughout the pipeline operational life. These include laboratory soil element testing, laboratory model testing, and in situ testing using specialized, complex, and costly devices. Despite being the most reliable testing technique, in situ tests are limited by the very small number of available...

... in situ testing methods (e.g., cone penetrometer test or T-bar) require careful interpretation to account for the effects of shallow embedment, whereas laboratory tests are affected by sampling-induced disturbances, the impact of which can be significant at the low stress levels relevant to the design...

... and two soil conditions. The presented interpretation method based on DMT data worked well to predict the complete load-settlement curve at an unusual soil site at different depths and soil moisture content conditions. 09 03 2018 30 10 2018 22 01 2019 in situ testing flat...

... mechanized mining tunnels for the prevention of rock bursts, but also provided an important reference value for coal mines with similar geological conditions. 26 02 2015 22 07 2015 14 08 2015 deformation and failure of deep floor fully mechanized mining in situ testing numerical...

...Gurdev Singh; Braja M. Das; M. K. Chong Interpretation and reliability of in situ tests, such as cone penetration, can be improved if in situ moisture content and density can be measured without affecting the speed of site investigation significantly. This paper describes the principle...

... guidelines and test standards. 26 06 2013 14 11 2013 21 01 2014 air permeameter test hydraulic conductivity granular soils drainage pavement foundation in situ testing References ACPA , 2008 , “ Drainage in Concrete Pavement Structures ,” Concrete Pavement Technology...

... excess method are described, and the dissociation behaviour of a typical 40 % hydrate-saturated sand sample during local heating and pressure reduction are illustrated. KEYWORDS: gas hydrates, dissociation, in situ testing, gas production Nomenclature B ¼ background count rate f ¼ fanning friction factor...

... in. and an outer diameter of 0.75 in. KEYWORDS: soil moisture sensor, penetrometer, capacitive sensor, in situ testing Introduction It is often desirable to measure both the penetration resistance and the moisture content of soil. It is crucial in pavement design to quantify seasonal variations in the properties...

.... 09 12 2002 26 04 2004 downhole test shear wave velocity data reduction ray path Snell's Law parametric study in situ testing References Auld , B. , 1977 , “ Cross-Hole and Down-Hole V S by Mechanical Impulse ,” Journal of the Geotechnical Engineering Division...

... in the field, renders the maximum possible resolution within the physical constrains associated with field conditions and the available instruments, and prevents unnecessary measurement duplication. KEYWORDS: tomography, nondestructive testing, geophysics, cross-hole, seismic, imaging, in situ testing...

..., and new shape factors derived from the FEM are presented in the form of a chart. KEYWORDS: two-stage borehole test, shape factor, finite element method, in situ testing, hydraulic conductivity, clays, Hvorslev, permeability, geometric factor Introduction Geometric factors, also referred to as intake...

... use. In situ testing is shown to be practical and successful in a wide range of soil types from uniform fine-grained soils to silty-sandy gravels. The hydraulic, monocell, prebored pressuremeter is proposed as an in situ test to establish dry, wet, and dry-wet geotechnical parameters for design...

... soil, unsaturated soil, in situ testing, plate load test Unsaturated soils derive their strength and stiffness from friction and cohesion, which are derived from confining stress, interlocked grains, soil suction, and particle bonds, including cementation. Structures constructed on these soils...

...G Singh; BM Das; MK Chong Reliable in situ testing during soil exploration is of great help to geotechnical engineers in design considerations. This paper describes the theory and the laboratory test results for determination of the density of a sand with a quasi-static penetrometer by measuring...

... laboratory test results to the field has caused many to place increased reliance on in situ testing. One such test that is continuing to gain acceptance is the piezocone penetration test (CPTU). While the CPTU is particularly good for stratigraphic detailing and evaluating many geotechnical parameters...

... consideration of sequential order of lift-off and confinement effects. KEYWORDS: stiffness, stress, pressuremeter, in situ testing, SBPM, horizontal stress, membrane stiffness, soft clay, temperature effects, pore pressure The accuracy of horizontal stress and soil property measurement in soft clay using...

... in situ testing seismic investigations References Abbiss , C. P. , 1981 , “ Shear Wave Measurements of the Elasticity of the Ground ,” Geotechnique   0016-8505 , Vol. 31 , No. 1 , 91 - 104 . Baker , P. J. and Gardener , R. , 1988 , “ Penetration Testing in Glacial Till...

... technique for use in cohesionless soils where there is a danger of borehole collapse, a portable cassette unit for recording field data and dumping to a main computer, and a data reduction program. in situ testing self-boring pressuremeter penetration rig new equipment data acquisition data...