http://poolsoflivingwater.com/wordpress/2009/03/steel-reinforcement-its-the-pools-skeleton/ Thoughts from a WaterShape Designer Sat, 31 Jul 2010 23:11:53 +0000 http://wordpress.org/?v=2.7 hourly 1 http://poolsoflivingwater.com/wordpress/2009/03/steel-reinforcement-its-the-pools-skeleton/comment-page-1/#comment-145 admin Fri, 16 Oct 2009 13:37:02 +0000 http://poolsoflivingwater.com/wordpress/?p=227#comment-145 If you are asking how much steel is used in the concrete, there is no simple answer. The amount of steel required in a shell depends on the stress the shell must withstand. Ideally you start with a soils engineer who determines how much weight the soil can support. Then a structural engineer specifies the steel and shell thickness requirements. This is important, because I am not a soil or structural engineer. You want to get this expert opinion so that your investment is well protected. Generally speaking though, if the pool is positioned at ground level, in level terrain, in verified compacted soil, this ideal condition may only call for minimum reinforcement and is called a 30# wall. It would have a beam construction made up of 1/2" steel and a rib construction throughout with 3/8" steel on 12" x 12" centers, with additional steel positioned at stress points. However, I would never build this pool in my area because there are never ideal conditions. On the other extreme, if your pool is raised out of the ground or the soil cannot lend support to the shells side walls, you would have to build a 65# wall. This would probably be made up of 6 bars of 1/2" in the beam and a rib work of 1/2" steel throughout the pool on 10" centers with additional steel at stress points. Some conditions even require double mats of steel to provide the needed strength to survive. Tim If you are asking how much steel is used in the concrete, there is no simple answer. The amount of steel required in a shell depends on the stress the shell must withstand. Ideally you start with a soils engineer who determines how much weight the soil can support. Then a structural engineer specifies the steel and shell thickness requirements. This is important, because I am not a soil or structural engineer. You want to get this expert opinion so that your investment is well protected. Generally speaking though, if the pool is positioned at ground level, in level terrain, in verified compacted soil, this ideal condition may only call for minimum reinforcement and is called a 30# wall. It would have a beam construction made up of 1/2″ steel and a rib construction throughout with 3/8″ steel on 12″ x 12″ centers, with additional steel positioned at stress points. However, I would never build this pool in my area because there are never ideal conditions. On the other extreme, if your pool is raised out of the ground or the soil cannot lend support to the shells side walls, you would have to build a 65# wall. This would probably be made up of 6 bars of 1/2″ in the beam and a rib work of 1/2″ steel throughout the pool on 10″ centers with additional steel at stress points. Some conditions even require double mats of steel to provide the needed strength to survive.
Tim

]]> http://poolsoflivingwater.com/wordpress/2009/03/steel-reinforcement-its-the-pools-skeleton/comment-page-1/#comment-138 tim Thu, 15 Oct 2009 17:19:24 +0000 http://poolsoflivingwater.com/wordpress/?p=227#comment-138 how to measure for the the steel in a gunite ? the floor and or the walls for the bond beam . what formula do you use . thanks T IM how to measure for the the steel in a gunite ? the floor and or the walls for the bond beam . what formula do you use . thanks T IM

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