Experimental and Theoretical Determination of the Frost-Heave Cracking Law and the Crack Propagation Criterion of Slab Track with Water in the Crack

Crack propagation produced by frost heave affects the durability of slab-track structures in high-humidity and cold regions in China.This work is intended to reveal the evolution laws of frost-heave crack propagation, establish evaluation criteria for crack propagation, and investigate factors involved in frost-heave crack propagation.Firstly, by p

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The Vivity Extended Range of Vision IOL vs the PanOptix Trifocal, ReStor 2.5 Active Focus and ReStor 3.0 Multifocal Lenses: A Comparison of Patient Satisfaction, Visual Disturbances, and Spectacle Independence

John A Hovanesian,1 Michael Jones,2 Quentin Allen3 1Harvard Eye Associates, Hair Accessories Laguna Hills, CA, USA; 2Quantum Vision Centers, Swansea, IL, USA; 3Florida Vision Institute, Stuart, FL, USACorrespondence: John A HovanesianHarvard Eye Associates, 23961 Calle De La Magdalena, #300, Laguna Hills, CA, 92653, USATel +1 949 951 2020Fax +1 949

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