Quizzes & Puzzles2 mins ago
Concrete bollards breaking
4 Answers
Concrete bollard s with pebble dash similar to these - they look rock solid stiff -yet i see many broken ones - how the hell do these end up getting broken? as they look virtually indestructable?
http://4.bp.blogspot....1Q/s1600/SDC10449.JPG
http://4.bp.blogspot....1Q/s1600/SDC10449.JPG
Answers
Wrong mix of ingredients. Too wet or too dry. Possibly affected by frost when the concrete was setting. Impact damage, repeated over time.
Possibly affected by dog wee.
18:40 Thu 08th Sep 2011
These really need to be updated. Modern traffic control systems/ bollards use modern construction methods and materials, eg. http:// www.aps aegis.c o.uk/pr oduct-c ategory /bollar ds/
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