Hello,
I need a small foundation, about 1.30 x 1.10 m (4.3 x 3.6 ft).
A device (weighing approximately 400 kg (880 lbs)) will be placed on it and fixed to the ground with four bolts. That’s why the foundation is necessary.
Both the device and the foundation will be exposed to weather conditions, and the device may get completely wet.
My current plan is to excavate the area, lay about 10 cm (4 inches) of gravel, and then pour around 15 cm (6 inches) of concrete. I was planning to skip the steel reinforcement mesh.
The whole thing would be formed with wooden shuttering, using a release agent for the formwork.
Are 10 cm (4 inches) of gravel and 15 cm (6 inches) of concrete sufficient? Or is that too much for the intended use?
Do I need to compact the gravel layer? I don’t really have access to a plate compactor.
For the concrete, I was going to use a 40 kg (88 lbs) bag of ready-mix concrete screed from a hardware store.
What are your thoughts on this plan?
Best regards
I need a small foundation, about 1.30 x 1.10 m (4.3 x 3.6 ft).
A device (weighing approximately 400 kg (880 lbs)) will be placed on it and fixed to the ground with four bolts. That’s why the foundation is necessary.
Both the device and the foundation will be exposed to weather conditions, and the device may get completely wet.
My current plan is to excavate the area, lay about 10 cm (4 inches) of gravel, and then pour around 15 cm (6 inches) of concrete. I was planning to skip the steel reinforcement mesh.
The whole thing would be formed with wooden shuttering, using a release agent for the formwork.
Are 10 cm (4 inches) of gravel and 15 cm (6 inches) of concrete sufficient? Or is that too much for the intended use?
Do I need to compact the gravel layer? I don’t really have access to a plate compactor.
For the concrete, I was going to use a 40 kg (88 lbs) bag of ready-mix concrete screed from a hardware store.
What are your thoughts on this plan?
Best regards
R
rennschnecke6 Feb 2023 11:15Exactly, the dimensions are approximate because the device is about 120cm x 100cm (47 inches x 39 inches), so it should be slightly larger.
H
hanghaus20236 Feb 2023 13:05@Tolentino Then I'll ask how much the 4 steps cost.
R
rennschnecke6 Feb 2023 13:07hanghaus2023 schrieb:
@Tolentino Then I'll ask how much the 4 steps cost.At the local hardware store around the corner, they cost 27 euros each.