- Ore deck acoustic release 8242 deckset pdf#
- Ore deck acoustic release 8242 deckset manual#
- Ore deck acoustic release 8242 deckset full#
New: Customize the appearance of presenter notes in presentation mode and export by using the presenter-notes command, e.g. 
To apply a filter to an inline image, use the filtered attribute: e.g.
New: Filters can now be applied to GIFs too. New: Define the start time for native videos, similarly to how YouTube videos are already handled, e.g. Ore deck acoustic release 8242 deckset pdf#
New: Added the option to export a reduced file size PDF (this feature substantially decreases the exported presentation file size by using compression on large image embeds). As per usual, these commands can also be overridden on a per slide level, e.g. You can control the duration of the transition by passing in the value in seconds: slide-transition: fade(0.3). 
We’re currently supporting a simple fade transition, more to come.
New: Use slide transitions when presenting! To enable them, place slide-transition: true at the top of your Markdown file. The intensity of the color indicates the amplitude within the frequency domain. In this plot, the x-axis is still time and the y-axis is frequency. Using a fast Fourier transform (FFT), the data is transformed from the time domain into the frequency domain. Middle: The middle plot presents a spectrogram of the filtered time domain data. The x-axis is time and the y-axis is amplitude of the dynamic response. Top: The top plot presents the filtered time domain record of the data measured with SounDAR. As the set of dots moves across this plot, this indicates that the SounDAR device was moving, and the location of the impact correlates with the data sets in the top and middle plots. The black dot in this figure indicates the microphone/impactor pair on SounDAR that corresponds to the top and middle data sets, while the other 11 green dots correspond to other microphone/impactors that were used to develop the rest of this plot. SounDAR has 12 microphone / impactor pairs. Degraded areas are presented on a severity type color plot that indicates relative degradation detected with SounDAR. These results of HRV are provided in 4K resolution with overlaid SounDAR data identifying other physical features of the bridge deck such as debonding, patching, and delaminations.īottom: This figure presents the final output of a SounDAR inspection overlaid on top of high resolution video (HRV) data. Ore deck acoustic release 8242 deckset full#
The HRV camera is capable of capturing a full lane width of data per driving pass. HRV data results in a visual map of the bridge deck collected utilizing a 4k high-resolution video camera. This service is paired with other NDE techniques such as GPR and IR, but most importantly with HRV.
Ore deck acoustic release 8242 deckset manual#
In this way, it provides an automated NDT method similar to manual sounding at a fraction of the cost. SoundDAR utilizes a novel analysis method that replicates the function of the human ear by detecting changes in frequency, amplitude, and relative energy distribution. The deck acoustic response (DAR) is an automated bridge inspection method used to identify and quantify areas of subsurface degradation including delamination, debonding, and spalling. It is an automated and innovative method of performing sounding of bridge decksīridge deck testing in a fraction of the time typically required by chain drag, results produced reflect those typically achieved by chain drag and the human ear.Ĭombining a variety of methods to accurately identify the location and size of flaws in concrete bridge decks and other structural concrete structures. It is used to determine the response of sound on concrete for rehabilitation purposes by determining the layer thickness and service life of concrete bridges, piers, roads and other concrete structures.
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