should be at lest 4 inches
how much does it cost to form and pour concrete in Mobile, AL
about how much to pour a concrete slaba 12 x 14'
Concrete need a uniform and compacted base, so as long as that rock is uniform and compacted, you should be fine.
No. Concrete won't bond to concrete. It will end up cracking.
generally they pump sand or gravel under house for the footers and the foundation. the sand or gravel helps to make the concrete they are going to pour shift or move less than what it would if it where just on the ground/ dirt, it also creates a barrier from the moisture in dirt. usually depending on state building codes the thickness of the sand or concrete should be between 4" to 12". In cold weather they like to use sand because it does freeze as hard as soil.
To properly pour dry concrete over gravel for a strong and stable foundation, follow these steps: Prepare the gravel base by leveling and compacting it. Use a wooden or metal form to contain the concrete and keep it in place. Pour the dry concrete mix evenly over the gravel base. Use a rake or shovel to spread and level the concrete mix. Add water gradually and mix the concrete thoroughly until it reaches the desired consistency. Compact the concrete using a tamper or vibrating plate to remove air pockets and ensure a solid foundation. Allow the concrete to cure and set according to the manufacturer's instructions before proceeding with further construction.
7.1
6.67 Cubic Yards
Figure about 1/2 cubic foot per 60 lb bag. The basic formula is to use equal amounts of cement, sand, and gravel. There are 27 cubic yards per cubic foot. It depends upon how thick you are planning to pour the concrete. For one foot thick, you would need 9 cubic feet of concrete. For 6" thick, you would need 4 1/2 cubic feet. I'll give you the answers for 1 ft thick and for 6" thick. For 1 foot thick, you need 9 cubic feet at 1/2 cubic foot per 60 lb bag equals 18-60 lb bags. That's six 60 lb bags of concrete, plus six 60 lb bags of sand, plus 360 lbs of gravel. For 6 inches thick, divide each of these by 2 to give 3-60 lb bags of concrete, 3-60 lb bags of sand, plus 180 lbs of gravel.
15 cubic yards
15 cubic yards
To properly prepare and pour a dry pour concrete slab for a shed foundation, follow these steps: Clear and level the area where the slab will be poured. Install formwork to contain the concrete. Compact the soil and add a layer of gravel for drainage. Mix the dry concrete mix with water according to the manufacturer's instructions. Pour the concrete into the formwork, spreading it evenly. Use a screed board to level the concrete. Allow the concrete to cure and set before removing the formwork. Following these steps will help ensure a strong and stable foundation for your shed.
For optimal results, self-leveling concrete should be poured at a thickness of 1/4 inch to 2 inches. Thicker pours may lead to cracking or uneven drying.
To properly pour foundation footings for a building project, follow these steps: Excavate the area to the required depth and width. Install formwork to contain the concrete. Place a layer of gravel at the bottom of the trench for drainage. Pour concrete into the formwork, ensuring it is level and compacted. Allow the concrete to cure and set before continuing with construction.
4.938 cubic yards.
To prepare for a concrete slab installation, you should first clear the area of any debris and vegetation. Next, compact the soil and install a layer of gravel for drainage. Then, create a formwork to contain the concrete and reinforce it with steel mesh or rebar. Finally, mix and pour the concrete, ensuring it is level and smooth before allowing it to cure properly.
No, it is not recommended to pour concrete on wet ground as it can compromise the quality and strength of the concrete. The ground should be properly prepared and dry before pouring concrete to ensure a strong and durable foundation.