1 / 12

IN TIMBER

DEFECTS. IN TIMBER. Written by. JOHN STAGG. ‘Defect’ , in this case, means anything that effects the structural integrity or appearance of timber. Remember… There are as many potential defects as there are uses for timber. Defects in Timber. Click your mouse once to continue.

binah
Download Presentation

IN TIMBER

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. DEFECTS IN TIMBER Written by JOHN STAGG

  2. ‘Defect’, in this case, means anything that effects the structural integrity or appearance of timber. Remember… There are as many potential defects as there are uses for timber. Defects in Timber Click your mouse once to continue

  3. By the end of this session you should be able to: Identify three defects effecting timber State the remedial action to be taken in each of the three cases Defects in Timber Click your mouse once to continue

  4. Things that attack timber Click your mouse once to continue

  5. Timber is a natural material that is prone to defects. One of these is the tendency to split if it is put under stress from rapid drying, poor felling or de-lamination of the growth rings. These defects are all known as ‘Shakes’ Defects in timber Click your mouse once to continue

  6. Shakes Click your mouse once to continue

  7. Dry rot What other defects occur in timber? Click your mouse once to continue

  8. Blue stain What other defects occur in timber? sap heart pith juvenile Click your mouse once to continue

  9. Insect attack What other defects occur in timber? Click your mouse once tocontinue

  10. Shrinkage What other defects occur in timber? Click your mouse once to continue

  11. What other defects may occur in timber or timber structures? What circumstance or working load may, over time, cause timber or timber structures to fail? Further considerations Click your mouse once to continue

  12. Construction Department End Defects in Timber GO AGAIN END

More Related