The analysis of bored piles, or drilled shafts, at the service limit state is important when foundation settlements are critical to the operation of a structure. The t–z method is a widely used soil–structure interaction model for the analysis of drilled shaft settlement. In current practice, nominal values of soil stiffness and strength parameters are used to determine settlement based upon th...

Abstract Fractures play a vital role in reservoir transformation, but the distribution of faults and fractures is difficult to obtain by observing cores, which ultimately limits effective development gas dolomite reservoirs. We propose an integrated method that incorporates thin-section observations, three-dimensional (3D) seismic data, image logs interpret Cambrian Longwangmiao Carbonate Forma...

The permeability characteristics of natural fracture systems are crucial to the production potential shale gas wells. To investigate behavior a regional fault that is located within Wufeng Formation, China, samples with micro-fractures was measured at different confining pressures and complemented helium pycnometry for porosity, computed micro-tomographic (µCT) imaging, comparison well testing ...

Abstract: Reduced Beam Section (RBS) and Drilled Beam Section (DBS) are seismic moment resistant frame connections, introduced after 1994 Northridge earthquake. RBS connection has been tested under cyclic loading and showed acceptable performance. In this paper, seismic behavior of Drilled Beam Section (DBS) connection is studied numerically using finite element method. A drilled beam section ...

Abstract The paper presents an experimental program carried out to check the load bearing capacity of a steel fibre reinforced concrete (SFRC) floor in northern Italy. extensive mechanical characterization focused on suitability 3 non-standardized test methods for quality control and tensile constitutive curve assessment was performed, this consisting of: uniaxial (UTT), double edge wedge split...

Deep borehole cores are an important material basis for understanding deep stress conditions and rockburst risk; however, the complex environment of boreholes poses many challenges to traditional core orientation techniques, thus limiting application in fields such as situ measurement. A technical method restoring original spatial attitude nonoriented geological on ground was proposed based inh...

Dear Sir/Madam, The depth gauge is an essential device used while performing open plate or interosseous screw fixation of hand fractures allowing for anatomically accurate and safe insertion of screws. An efficient pass through the drilled path provides the best chance at accurate estimation of correct screw length. The most common error is inaccurate measurement of the length of the drilled ho...

remanufacturing is an industrial process that makes used products reusable. remanufacturing is a way to establish a closed-loop supply chain. one of the important aspects in both reverse logistics and remanufacturing is pricing of returned and remanufactured products (called cores) that it has been noticed in this paper. in addition, in this paper the researchers have tried to present a mathema...

We evaluated the effect of where the hole is drilled in the shell when using the ear-hanging or Nimai-ake method in scallop aquaculture. We examined its influence on growth and mortality during 8-month growth trials on the scallop Patinopecten yessoensis at Shikabe, Japan. Our Ž . observations showed: 1 no differences in growth and mortality between drilling the hole in the Ž . posterior compar...