πWooden poles:
πThe portion 2 meters from the bottom have to buried in the ground.
πThis portion should be painted with bitumen to avoid deterioration.
πAfter the erection pit should be partially filled with small pieces of bricks, stones and rammed well.
πAfter that earth should be filled and ramming is done.
πSteel tubular poles, Braced channel poles and Rails
πA suitable pad of cement concrete, stone or steel is provided at the bottom of pit.
πThis should be done before the erection of pole.
πA cement concrete muff extending 0.2m above the ground with a tapered top to shed the rain water is provided. πThis is to avoid corrosion.
πPre-stressed and RCC Poles
πRCC poles are of larger cross section than PCC.
πtherefore there is no need of providing base plates or muffs.
πIn case of PCC poles, a base plate concrete block is provided.
No comments:
Post a Comment
If you have any doubts or clarification you need in my blog topics, I would π― try to clear it in an efficient manner as possible. I will also accept your suggestions.