Geekzone: technology news, blogs, forums
Guest
Welcome Guest.
You haven't logged in yet. If you don't have an account you can register now.


View this topic in a long page with up to 500 replies per page Create new topic
1 | 2 
340 posts

Ultimate Geek

Trusted
Lifetime subscriber

  # 2348120 4-Nov-2019 14:36
Send private message quote this post

neb:

 

I've seen a lot of instructions that go something like "Dig hole / Wet sides of hole (to avoid excessive water loss in next step) / Pour in water / Chuck in premix". Seems like a somewhat suboptimal way to get the right mixture.

 

I think this has led to a general thinking in some circles that premixes are substandard. Poor instructions attempting to make it easier. Perhaps assuming that complicated instructions won't be followed?


neb



1401 posts

Uber Geek

Trusted
Lifetime subscriber

  # 2348129 4-Nov-2019 14:53
Send private message quote this post

wally22:

I think this has led to a general thinking in some circles that premixes are substandard. Poor instructions attempting to make it easier. Perhaps assuming that complicated instructions won't be followed?

 

 

Good point! A lot of the instructions are just "slap it all together and walk away". The silly thing is you can get one of those ~$3 flexible plastic buckets from the Warehouse that's the perfect size for mixing 40kg (and by extension 20kg) bags of premix, then you just grab the handles and pour it down the hole or wherever it's supposed to go. Then wait for it to set a bit, wet it down, and seal it in with Glad Wrap - which should be in pretty much every kitchen - to avoid it drying out. Ok, it's not an optimal solution but the cost is close to zero and you'll get reasonable results compared to the "slap it together and walk away" instructions.

 
 
 
 


3427 posts

Uber Geek

Trusted

  # 2348388 5-Nov-2019 09:04
2 people support this post
Send private message quote this post

For a fence, its fine. 

 

The posts are supported by each other, linked by the fence rails and so the water poured in to the top of the hole will set it enough to stand upright. 

 

Groundwater will then be absorbed and set some more underground. It sets so quickly that I dont think excess groundwater over time would be an issue. 

 

 

 

However we have found that quick set is not as strong as normal concrete. You can tell from the MPA rating. 
In my expierence, it crumbles really fast if there is any movement in the post. 

I have used quick-set to make several above-ground concrete blocks for small posts holding solar panels where we couldnt dig. 
And I have used standard concrete to make a similar above-ground blocks for the same. 
The quick-set blocks have crumbled over time. The standard is still strong and solid. 

So personally i think quick-set is only good for fence posts where its a large structure with many posts supporting each other to reduce movement, and since its in the ground, if it crumbles, its not going to matter. 
Though when we build basic fences, we just ram the soil in around the posts and dont use concrete at all. 





Ray Taylor
Taylor Broadband (rural hawkes bay)
www.ruralkiwi.com

There is no place like localhost
For my general guide to extending your wireless network Click Here




neb



1401 posts

Uber Geek

Trusted
Lifetime subscriber

  # 2348479 5-Nov-2019 15:06
One person supports this post
Send private message quote this post

From what I've read about the various acceleration methods, the more you accelerate, the worse the concrete. Chemically-assisted curing seems to be the worst of all, with things like thermal blankets being bad but not quite as bad as additives. Leaving out the moist-curing step doesn't help either. Rule of thumb seems to be, the more you try and rush it, the worse it ends up.

1 | 2 
View this topic in a long page with up to 500 replies per page Create new topic



Twitter and LinkedIn »



Follow us to receive Twitter updates when new discussions are posted in our forums:



Follow us to receive Twitter updates when news items and blogs are posted in our frontpage:



Follow us to receive Twitter updates when tech item prices are listed in our price comparison site:





News »

Ring launches indoor-only security camera
Posted 23-Jan-2020 17:26


New report findings will help schools implement the digital technologies curriculum content
Posted 23-Jan-2020 17:25


N4L to upgrade & support wireless internet inside schools
Posted 23-Jan-2020 17:22


Netflix releases 21 Studio Ghibli works
Posted 22-Jan-2020 11:42


Vodafone integrates eSIM into device and wearable roadmap
Posted 17-Jan-2020 09:45


Do you need this camera app? Group investigates privacy implications
Posted 16-Jan-2020 03:30


JBL launches headphones range designed for gaming
Posted 13-Jan-2020 09:59


Withings introduces ScanWatch wearable combining ECG and sleep apnea detection
Posted 9-Jan-2020 18:34


NZ Police releases public app
Posted 8-Jan-2020 11:43


Suunto 7 combine sports and smart features on new smartwatch generation
Posted 7-Jan-2020 16:06


Intel brings innovation with technology spanning the cloud, network, edge and PC
Posted 7-Jan-2020 15:54


AMD announces high performance desktop and ultrathin laptop processors
Posted 7-Jan-2020 15:42


AMD unveils four new desktop and mobile GPUs including AMD Radeon RX 5600
Posted 7-Jan-2020 15:32


Consolidation in video streaming market with Spark selling Lightbox to Sky
Posted 19-Dec-2019 09:09


Intel introduces cryogenic control chip to enable quantum computers
Posted 10-Dec-2019 21:32



Geekzone Live »

Try automatic live updates from Geekzone directly in your browser, without refreshing the page, with Geekzone Live now.


Support Geekzone »

Our community of supporters help make Geekzone possible. Click the button below to join them.

Support Geezone on PressPatron



Are you subscribed to our RSS feed? You can download the latest headlines and summaries from our stories directly to your computer or smartphone by using a feed reader.

Alternatively, you can receive a daily email with Geekzone updates.