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Related Concept Videos

Fiber Reinforced Concrete01:22

Fiber Reinforced Concrete

Fiber-reinforced concrete significantly enhances the structural and nonstructural properties of traditional concrete by incorporating fibers like steel, glass, and polymers. These fibers, varying from natural ones such as sisal and cellulose to manufactured ones like polypropylene and Kevlar, are mixed into hydraulic cement with aggregates. Steel fibers, often preferred for their robustness, contribute to improved ductility, toughness, and post-cracking performance. The concrete is classified...
Composite Masonry Walls01:18

Composite Masonry Walls

Composite masonry walls combine multiple wythes of the same or different masonry materials to create a unified structure. These walls feature wythes that are bonded together either through mortar-filled collar joints, grouted spaces, or more commonly, with rigid metal ties and reinforcements, with the use of masonry header units being rare. Metal ties are preferred because they effectively minimize water penetration, as these walls primarily absorb moisture and then release it into the...
Fibril-associated Collagen01:11

Fibril-associated Collagen

Fibril-associated collagens are a type of collagens present in the extracellular matrix with interrupted triple helices or FACIT (Fibril-associated collagens interrupted triple-helices). FACIT help connect and attach the collagen fibrils with each other as well as with other proteins of the extracellular matrix.
For example, the type II collagen fibrils in cartilage have covalently bound type IX fibril-associated collagens at regular intervals. Other types of fibril-associated collagens are...
Prestressed Concrete01:20

Prestressed Concrete

Prestressed concrete is a construction technique designed to enhance the strength and durability of concrete structures. This method involves the application of a pre-set tension to high-strength steel strands used as reinforcement before the concrete is subjected to its working loads. The primary aim of prestressing is to place the concrete in a state of compression, in order to counteract the tensile forces it will experience in service. This pre-compression helps prevent crack formation in...
Unsymmetric Loading of Thin-Walled Members01:23

Unsymmetric Loading of Thin-Walled Members

Thin-walled members with non-symmetrical cross-sections are vital to engineering structures, offering material efficiency and structural integrity. However, unsymmetrical loading on these members leads to complex stress distributions, resulting in simultaneous bending and twisting can cause deformation or structural failure. The interaction between bending and twisting requires detailed analysis to ensure structural resilience.
The concept of the shear center is crucial in countering the...
Thin-Walled Hollow Shafts01:15

Thin-Walled Hollow Shafts

In analyzing a thin-walled hollow shaft subjected to torsional loading, a segment with width dx is isolated for examination. Despite its equilibrium state, this segment faces torsional shearing forces at its ends. These forces are quantitatively described by the product of the longitudinal shearing stress on the segment's minor surface and the area of this surface, leading to the concept of shear flow. This shear flow is consistent throughout the structure, indicating a uniform distribution of...

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Related Experiment Video

Updated: Jun 20, 2026

Microfluidic Fabrication of Polymeric and Biohybrid Fibers with Predesigned Size and Shape
07:38

Microfluidic Fabrication of Polymeric and Biohybrid Fibers with Predesigned Size and Shape

Published on: January 8, 2014

Anisotropic fiber with a depressed-cladding profile.

Y Chen, H C Huang

    Optics Letters
    |September 10, 2009
    PubMed
    Summary

    Anisotropic depressed-cladding fibers exhibit higher losses than previously modeled, making them ideal for single-polarization, single-mode operation. This study provides an analytic method to calculate these losses.

    Area of Science:

    • Optics and Photonics
    • Fiber Optics
    • Materials Science

    Background:

    • Anisotropic optical fibers are crucial for advanced photonic applications.
    • Depressed-cladding fiber designs offer unique light-guiding properties.
    • Understanding loss mechanisms is essential for optimizing fiber performance.

    Purpose of the Study:

    • To analyze anisotropic depressed-cladding fibers.
    • To derive an analytic expression for leaky-mode losses.
    • To evaluate the suitability of these fibers for single-polarization, single-mode operation.

    Main Methods:

    • Utilizing an iterative perturbation technique.
    • Developing a straightforward analytical approach.
    • Calculating leaky-mode losses for anisotropic depressed-cladding fibers.

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    Preparation of Aligned Steel Fiber Reinforced Cementitious Composite and Its Flexural Behavior
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    Experimental Implementation of a New Composite Fabrication Method: Exposing Bare Fibers on the Composite Surface by the Soft Layer Method
    06:26

    Experimental Implementation of a New Composite Fabrication Method: Exposing Bare Fibers on the Composite Surface by the Soft Layer Method

    Published on: October 6, 2017

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    Last Updated: Jun 20, 2026

    Microfluidic Fabrication of Polymeric and Biohybrid Fibers with Predesigned Size and Shape
    07:38

    Microfluidic Fabrication of Polymeric and Biohybrid Fibers with Predesigned Size and Shape

    Published on: January 8, 2014

    Preparation of Aligned Steel Fiber Reinforced Cementitious Composite and Its Flexural Behavior
    11:07

    Preparation of Aligned Steel Fiber Reinforced Cementitious Composite and Its Flexural Behavior

    Published on: June 27, 2018

    Experimental Implementation of a New Composite Fabrication Method: Exposing Bare Fibers on the Composite Surface by the Soft Layer Method
    06:26

    Experimental Implementation of a New Composite Fabrication Method: Exposing Bare Fibers on the Composite Surface by the Soft Layer Method

    Published on: October 6, 2017

    Main Results:

    • An analytic expression for leaky-mode losses was successfully obtained.
    • Numerical results indicate significantly higher losses compared to step-index models.
    • The calculated losses are advantageous for specific fiber applications.

    Conclusions:

    • Anisotropic depressed-cladding fibers show higher losses than predicted by simpler models.
    • These fibers are well-suited for achieving single-polarization, single-mode operation.
    • The developed method provides accurate loss calculations for practical fiber design.