People Innovation Excellence

Listen to the Rhythm of the Falling Rain, Tellin’ Me Just How this Bridge Will Fail

 

 

 

 

 

 

 

Systems on the edge of failure sound funny. Ask the mechanic listening for the death-rattle of a dying U-joint or the doctor thumping a patient’s back.

And then there’s the deadly “click” of laminated surfaces coming unglued. Civil engineers have long used acoustic tests to find places where bridge and highway decks are delaminating, getting ready to flake off and fall away from their under layers. These test methods have been relatively slow, though, relying on carefully placed hammer blows, dropping steel ball bearings, or dragging heavy chains. The testers crawl down the road thump by painstaking thump at a top speed of less than two miles per hour.

Researchers at electronics and civil engineering departments of Brigham Young University have developed an elegantly simplified method for pounding the pavement, using the percussion of water droplets to find the weak spots. [read more..]


Published at :
Leave Your Footprint

    Periksa Browser Anda

    Check Your Browser

    Situs ini tidak lagi mendukung penggunaan browser dengan teknologi tertinggal.

    Apabila Anda melihat pesan ini, berarti Anda masih menggunakan browser Internet Explorer seri 8 / 7 / 6 / ...

    Sebagai informasi, browser yang anda gunakan ini tidaklah aman dan tidak dapat menampilkan teknologi CSS terakhir yang dapat membuat sebuah situs tampil lebih baik. Bahkan Microsoft sebagai pembuatnya, telah merekomendasikan agar menggunakan browser yang lebih modern.

    Untuk tampilan yang lebih baik, gunakan salah satu browser berikut. Download dan Install, seluruhnya gratis untuk digunakan.

    We're Moving Forward.

    This Site Is No Longer Supporting Out-of Date Browser.

    If you are viewing this message, it means that you are currently using Internet Explorer 8 / 7 / 6 / below to access this site. FYI, it is unsafe and unable to render the latest CSS improvements. Even Microsoft, its creator, wants you to install more modern browser.

    Best viewed with one of these browser instead. It is totally free.

    1. Google Chrome
    2. Mozilla Firefox
    3. Opera
    4. Internet Explorer 9
    Close