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<blockquote data-quote="Earthwerks Unlimited" data-source="post: 20049" data-attributes="member: 1300"><p>I removed plenty of concrete floors, stem walls, foundations, footers etc. in Hurricane Katrina land (MIssissippi) with only pallet forks on an New Holland Ls185.b and steel OTR tracks. The key is getting a bite down along side the concrete. All I did was clear out an area next to the foundation with the forks or a bucket, then drive down with the forks pointed under the foundation. Once under the foundation simultaneously raise the loader drive forward and tilt the forks down. The dirt on the inside of the footer acts as a leverage point for the forks. If you do this enough times the footer will snap in half. Also, I did an inground swimming pool demolition here at home. At the thickest point the walls were 2' thick and have 5 layers of 3/4" rebar. I rented a Bobcat-brand breaker (regular flow) with a 3" diameter bit and it blasted right through it. The important thing about breaking anything easily that is rigid like concrete is that you have to have an air gap between it and whatever it sits on or against. The reason is if there is no air gap the impact energy will not be dispersed into the concrete but roughly half will pass right through it and into the ground, for example. Example: in billiards--two balls in line and touching each other hit by a 3rd ball. The first ball when hit transfers that energy into the second ball which takes off.</p></blockquote><p></p>
[QUOTE="Earthwerks Unlimited, post: 20049, member: 1300"] I removed plenty of concrete floors, stem walls, foundations, footers etc. in Hurricane Katrina land (MIssissippi) with only pallet forks on an New Holland Ls185.b and steel OTR tracks. The key is getting a bite down along side the concrete. All I did was clear out an area next to the foundation with the forks or a bucket, then drive down with the forks pointed under the foundation. Once under the foundation simultaneously raise the loader drive forward and tilt the forks down. The dirt on the inside of the footer acts as a leverage point for the forks. If you do this enough times the footer will snap in half. Also, I did an inground swimming pool demolition here at home. At the thickest point the walls were 2' thick and have 5 layers of 3/4” rebar. I rented a Bobcat-brand breaker (regular flow) with a 3” diameter bit and it blasted right through it. The important thing about breaking anything easily that is rigid like concrete is that you have to have an air gap between it and whatever it sits on or against. The reason is if there is no air gap the impact energy will not be dispersed into the concrete but roughly half will pass right through it and into the ground, for example. Example: in billiards--two balls in line and touching each other hit by a 3rd ball. The first ball when hit transfers that energy into the second ball which takes off. [/QUOTE]
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backhoe attachments for skid steers
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