Does a retaining wall need to be set on top of a base of crushed stone? - oldcastle wall block
I am building a retaining wall 2-1/2 feet tall, 64 kilos of concrete blocks Oldcastle Rampart. Is it necessary to put on a base of gravel or I can put it directly on the earth? How many inches of crushed stone or gravel, which must be directly behind the wall? It's good to be gravel or crushed stone?
Thursday, January 14, 2010
Oldcastle Wall Block Does A Retaining Wall Need To Be Set On Top Of A Base Of Crushed Stone?
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4 comments:
Right on the tip of the couple on the planet.
Make sure your first level.
You can use a rope from one end of the wall or another.
Yes, definitely with a base of stone! 2-If it works really well! Normally it takes at least 2 feet deep, 2-B gravel behind the wall! You must be able to go at least 2 meters high with gravel that covers 1 / 2 feet. Keep in mind put in a drain pipe! I would be 4 Use "corrugated pipe, it works really well!
Use of gravel at the base. Do not forget to put in drainage pipes and re-cm gravel 2B, 24 deep and 2 "stuffed behind the wall. This will ensure the proper drainage and the wall is not in you.
Compacted crushed stone is better than the lowlands. About 20 cm gravel / any material with high permeability is sufficient drainage behind the wall. But do not forget in the pipes to drain rainwater from the rear wall can be.
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