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General Bobcat Skidsteer Forum
compact subgrade with weight of machine 743?
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<blockquote data-quote="marko13" data-source="post: 130116" data-attributes="member: 23145"><p>Thanks for your response.</p><p>i know more about carpentry than concrete/site work so I appreciate your expertise.</p><p>The slab will be 25 x 60. 4" thick w 1/2" rebar 24" oc. ew.(or I could space it closer) ... I have a few questions rolling around in (what's left of ) my brain ... would appreciate any comments/insights.</p><p></p><p>1. I may have 1.5 to 2 ft of fill at the low side. Will ab3/crusher run be ok if done in 6in lifts and compacted between or should I use larger rock first then ab3 on top?</p><p></p><p>2. Do I want to ...</p><p> A. over fill the footprint a couple feet and slope down to grade then the slab is just on grade with a thickened edge... or...</p><p> B. put a wall around perimeter and just fill inside then the slab sits on the wall and inside fill.</p><p> I'm thinking the fill might be cheaper than the wall idea but not sure.</p><p></p><p>3. I'm coming off an existing drive way that slopes 6" in the 25' front width of the building. I plan an 8' approach that will twist from the slope to level at the face of the garage.</p><p> A. I thought about sloping the approach down from the driveway to the face of garage and using a trench drain in front of garage in order to make the fill less tall at the back (site slopes down about 2' from front to back.)</p><p> B. or put the top of slab level with the high side of driveway and slope the approach down to driveway at the low side. That adds about 1' of fill overall.</p><p></p><p>4. The driveway is only 4" thick w fiberglass rebar. I'm guessing I cant' drive a concrete truck or dumptruck with the fill over that to get to the pour site, is that right?</p></blockquote><p></p>
[QUOTE="marko13, post: 130116, member: 23145"] Thanks for your response. i know more about carpentry than concrete/site work so I appreciate your expertise. The slab will be 25 x 60. 4" thick w 1/2" rebar 24" oc. ew.(or I could space it closer) ... I have a few questions rolling around in (what's left of ) my brain ... would appreciate any comments/insights. 1. I may have 1.5 to 2 ft of fill at the low side. Will ab3/crusher run be ok if done in 6in lifts and compacted between or should I use larger rock first then ab3 on top? 2. Do I want to ... A. over fill the footprint a couple feet and slope down to grade then the slab is just on grade with a thickened edge... or... B. put a wall around perimeter and just fill inside then the slab sits on the wall and inside fill. I'm thinking the fill might be cheaper than the wall idea but not sure. 3. I'm coming off an existing drive way that slopes 6" in the 25' front width of the building. I plan an 8' approach that will twist from the slope to level at the face of the garage. A. I thought about sloping the approach down from the driveway to the face of garage and using a trench drain in front of garage in order to make the fill less tall at the back (site slopes down about 2' from front to back.) B. or put the top of slab level with the high side of driveway and slope the approach down to driveway at the low side. That adds about 1' of fill overall. 4. The driveway is only 4" thick w fiberglass rebar. I'm guessing I cant' drive a concrete truck or dumptruck with the fill over that to get to the pour site, is that right? [/QUOTE]
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compact subgrade with weight of machine 743?
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