Hello everyone, I am currently digging holes to set fence posts in concrete. So far, it has taken me about 7 hours for 12 holes. These are only about 30cm (12 inches) deep with a diameter of approximately 20cm (8 inches). I still need to dig around 25 more holes. The soil is very clayey and rocky. I removed the top 10cm (4 inches) of topsoil with a spade and then used a hammer and chisel to finish the rest. Does anyone have any ideas on how I could make this easier? I am hesitant to use an earth auger because I’m worried it might damage the bit due to the stones and rocks.
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WilderSueden19 Mar 2022 18:28Since we will likely move in during the winter months and I still want to build the carport promptly, I did some research. I would go ahead with it.
Concrete generates heat as it cures, but this heat can mainly escape upwards where you cover it. Additionally, you can mix the concrete with warm water and add an additive. I find it hard to believe that the concrete’s temperature would drop below -3°C (27°F) during the process.
Concrete generates heat as it cures, but this heat can mainly escape upwards where you cover it. Additionally, you can mix the concrete with warm water and add an additive. I find it hard to believe that the concrete’s temperature would drop below -3°C (27°F) during the process.
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Stefan2.8422 Mar 2022 07:33I am now working on the holes on the street side. There is compacted gravel everywhere. The earth auger works quite well. Using a rotary hammer also helps to loosen everything effectively. However, removing the loosened material by hand is still cumbersome. My fingertips are not happy about the task. I want to start concreting the first sleeves soon.
In der Ruine22 Mar 2022 10:27Stefan2.84 schrieb:
Removing the loosened material by hand is still a bit awkward. The fingertips don’t really enjoy the work. But I wanted to start pouring the first sleeves soon. You actually remove the excavation with the auger. The flat round bit works perfectly for that, and the round drill hole prevents anything from falling down.
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Stefan2.8422 Mar 2022 10:44In der Ruine schrieb:
You remove the excavation material with the drill. The flat round blade is ideal for this, and the round borehole prevents anything from falling down.Unfortunately, it’s not quite that simple. The gravel does not allow for a perfectly straight borehole throughout. Also, I make the hole larger than the 12cm (5 inches) of the drill bit. The glove actually looks useful.
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