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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
compact subgrade with weight of machine 743?
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<blockquote data-quote="brdgbldr" data-source="post: 130123" data-attributes="member: 7474"><p>One thing you may want is to add microfiber reinforcement to the concrete. It will help prevent cracking and is normally pretty cheap. There are a lot of admixtures that you could look into, depending on your climate and budget, that can make the concrete stronger, more durable, better with freeze thaw etc.</p><p></p><p>1: In my experience if you fill with larger rock first you need to use a road fabric on top of it before putting the smaller fill on top. If you don't use the fabric, over time despite compacting, the smaller fill will eventually fill in gaps in the larger fill causing voids and eventually cracks in the concrete.</p><p></p><p>2: This would be an esthetic choice really. The wall would look cleaner but probably be more expensive. It is also hard to compact gravel inside of a concrete wall without damaging or destroying it especially with green/new concrete.</p><p></p><p>3: I can't really make a comment about this without actually seeing it. Trench Drains are great but do need to be maintained.</p><p></p><p>4: A concrete truck would most likely completely destroy a 4" thick concrete driveway unless the sub-grade under it is extremely well compacted and stable.</p><p> Your best bet is going to be pumping the concrete. The last time I had to pour a slab at my house (30+ years ago) it was pretty cheap to pay a guy to come up with a portable pump. Talk to your concrete supplier, they should have people that they have worked within the past that they can recommend. You also have to order the concrete mix with pumping in mind.</p></blockquote><p></p>
[QUOTE="brdgbldr, post: 130123, member: 7474"] One thing you may want is to add microfiber reinforcement to the concrete. It will help prevent cracking and is normally pretty cheap. There are a lot of admixtures that you could look into, depending on your climate and budget, that can make the concrete stronger, more durable, better with freeze thaw etc. 1: In my experience if you fill with larger rock first you need to use a road fabric on top of it before putting the smaller fill on top. If you don’t use the fabric, over time despite compacting, the smaller fill will eventually fill in gaps in the larger fill causing voids and eventually cracks in the concrete. 2: This would be an esthetic choice really. The wall would look cleaner but probably be more expensive. It is also hard to compact gravel inside of a concrete wall without damaging or destroying it especially with green/new concrete. 3: I can‘t really make a comment about this without actually seeing it. Trench Drains are great but do need to be maintained. 4: A concrete truck would most likely completely destroy a 4” thick concrete driveway unless the sub-grade under it is extremely well compacted and stable. Your best bet is going to be pumping the concrete. The last time I had to pour a slab at my house (30+ years ago) it was pretty cheap to pay a guy to come up with a portable pump. Talk to your concrete supplier, they should have people that they have worked within the past that they can recommend. You also have to order the concrete mix with pumping in mind. [/QUOTE]
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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
compact subgrade with weight of machine 743?
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