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Dominant factors in MiniCone, CPT and pile correlations: A data‐based approach

Deep Underground Science and Engineering 2023年第4期2卷 346-358页

作者： seyed sajad shirani Abolfazl Eslami Amirhossein Ebrahimipour Moses Karakouzian Department of Civil and Environmental Engineering Amirkabir University of Technology(AUT)(Tehran Polytechnic)TehranIran University of California San Diego San DiegoCaliforniaUSA Department of Civil and Environmental Engineering and Construction University of NevadaLas VegasNevadaUSA

The cone penetration test(CPT)contributes to the design and analysis of piles regarding geometry,installation effect,and pile capacity(shaft and toe resistance).MiniCone,as an alternative to CPT sounding,has been used to carry outﬁeld and laboratory investigations by physical modeling.More tests can be practically carried out through light equipment and small soil mass,involving fewer errors caused by boundary conditions.Furthermore,it can be used for in situ testing,such as quality control,assessment of ground improvement,and subgrade characterization.A database comprising MiniCone and CPT records inﬁeld and physical modeling is proposed with a variety of cone diameters.The case study records in the database have been obtained from 140 tests compiled from data from 26 sources.The sources include the results of 20 physical modelings andﬁeld data from six sites in 10 countries.The data comprise MiniCone and CPT cone tip resistance(qc),and sleeve friction(fs).The different cones are used in sandy,silty sand,and clayey soils via simple chambers(1 g),calibration chambers,and frustum conﬁning vessels.In addition,correlations were found in penetration records in terms of physical modeling types,cone diameters,penetration rates,and soil densities.Moreover,qc and fs are related to capacities of pile toes and shafts using proper correlation coefﬁcients less than unity,respectively.Correlations and dominant factors in geotechnical practice between MiniCone,CPT,and pile have been reviewed and discussed.

关键词： correlations CPT database dominant factors MiniCone pile

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Evaluation of a Newly Developed Laser Pen as a Home Care Device for Pain Reduction of Recurrent Aphthous Stomatitis (Preliminary Study)

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International Journal of Clinical Medicine 2015年第1期6卷 19-25页

作者： Maziar Mir seyed Masoud Mojahedi Hassan Adalatkhah Jan Tunér Amir Mansour shirani Roshan Babaalipour Masoud Shabani Conservative Dentistry RWTH International Academy Aachen Germany Deputy for Research Ardebil University of Medical Sciences Ardebil Iran Private Dental Clinic Gr&aumlngesberg Sweden Oral Medicine Department Dental School of Islamic Azad University Khorasgan Iran Science Department Islamic Azad University Ardebil Iran

Objective: The aim of this survey is to evaluate the effect of a new developed laser pen as a home care device for patients’ pain reduction with recurrent aphthous stomatitis. Background data: Recurrent aphthous stomatitis (RAS) is one of the most common and painful ulcers in the oral cavity. Low Level Laser Therapy (LLLT) has been used successfully for reducing pain and healing time in comparison with corticosteroids and placebo in some studies. But these treatments are done in the clinics and it seems that there is no report of the laser treatment as a home care device up to this study. Methods: This was a prospective, randomized trial pilot study. Thirty patients with RAS were divided into three similar groups. The group one (n = 10) was treated with a diode laser, 660 nm, 40 mw, continuous wave, 1.2 J, 6 J/cm2, for five consecutive days (twice per day, 30 seconds each session). The second group (n = 10) was treated with a topical triamcinolone (adcortyl in orabase) ointment four times per day and the third group (n = 10) was treated with placebo (red light pen) the same way as Group 1. All the patients were evaluated with a Visual Analogue Scale (VAS) before and after treatment on the consecutive days. The data was analysed by one way ANOVA and PostHoc tests. Results: The results show that the laser pen and triamcinolon in orabase ointment have similar results and both have better results than placebo in the control of the recurrent aphthous stomatitis pain (p value: 0.001). Conclusion: In this clinical pilot study the laser pen as a home care device seems to be useful for the treatment of RAS.

关键词： Low Level Laser Therapy Recurrent Aphthous Stomatitis Pain Corticosteroid

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