Trade School: What You Need to Know About Helical Piles

We teach all aspects of the construction trades at the Idea'l Trade Institute trade school. Today our trade school students got to learn about the helical pile technology that will support the tiny homes they are building once those homes are purchased by the public. The learning never stops (being amazing).
Learn the construction trades with us at the Idea'l Trade Institute trade school. Call us for more information and an in-person or virtual tour at the ideal trade institute trade school:
www.idealtrade.institute/
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[@gregben]

I felt sorry for the students while I watched this video because they weren't told what the basic purpose of the piles is. They are screwed into the ground to provide support for the structure that will be placed above it. The helical plates welded to the square shaft transfer weight from the structure above into the soil. The helical pile or piles are driven in until a certain torque value is reached which is a good indicator that the soil has sufficient capacity to hold the verticl load that'll be placed on it. That torque value would be reached very quickly (short vertical depth) if the soil is rocky, but it might require two or three helical piles driven into softer, less supportive soils.

[@robertcarpenter8077]

Excellent point. Am I right to understand that the meter on the driving head is giving the load bearing capacity by multiplying the recorded torque by some conversion constant ?

[@Kenword69420]

4mins into the video and he never explained it so I check the comments thanks for saving me 10mins of time!

[@NickBecker-f1c]

I like how the guys closest to the machine have the least safety protection I pull these out all the time

[@ybarramedia]

All the learning that goes on at the Idea'l Trade Institute. Wow. We hope that you can jump aboard with us as a student. Reach out with the info in the description of the video.

[@ybarramedia]

you WON'T be disappointed

[@aaronbott1670]

Square shaft helical piers were intended for tensile loads. The pinion shaft and couple are weak in compression and tend to buckle under loads. Additionally, the square shaft is weaker that hollow circle (pipe) under torsion. Them recommending not to exceed the torsion limit is smart. Steel is very strong, but once it has been pushed passed its yield strength it can only bounce back so much. If you’ve exceeded the recommended limit of a structural component, that component should be replaced and is no longer capable of supporting the designed load.

[@passtheparcel2024]

This guy, sure knows his stuff!

[@idealtradeinstitute8093]

He sure does, thank you so much for checking out the video. We appreciate you being here.

[@melissamarkquart6691]

where are the hard hats and steel toed shoes???

[@Sidicas]

oh look, its the square shaft that the other videos tell you not to use for building foundations.

[@friskyanderson]

students 20 feet away wearing hard hats, guys beside the 2 ton bell, trucker hats haahaha classic

[@2olvets443]

Good hard soil doesn’t mean a thing. When they screw into the soil it loosens up that soil allowing water to pass through easily. When soil gets wet it becomes soft allowing sinking of the pile. Granted kaliche (sp) is some hard soil.
Most of the time these aren’t down to bedrock which is a better install.

[@uberdash007]

Alot of homes are still standing without structural issues without piles.

[@danieltoth6119]

How much pressure can that nut and bolt handle at the coupling? 13:33

[@patmos7521]

that's what i was wondering. guess that's what he meant when he said it'll snap below ground. that's the weakest point.

[@johnkingery403]

I quit watching when he tried to tighten the nut going in the loosie direction.

[@impactodelsurenterprise2440]

Won't the 1-3/4" shaft break from 15k ftlb of torque?

[@idealclay]

Yes, that one is rated to 8k

[@idealclay]

Actually that one I think was 10k

[@L-presidente]

Where is your trade school?

[@idealtradeinstitute8093]

HI @L-presidente currently we are located in Tucson, AZ

[@L-presidente]

@@idealtradeinstitute8093 is it a virtual learning experience or on site?

[@wyattgeary4397]

The milk man!

[@stephenc2296]

Those helicals will NEVER be rated for 100 kips. But I do think he believes the stuff he spewing… Before you question me… I’ve installed helicals on 10,000 Homes.

[@idealclay]

You can go to chance helicals and look at the engineering. They list them all online and show kips rating.

[@stephenc2296]

@@idealclay Rating them at 100 kips.. I would question that.. I have dug them up and replaced them because they bend. The average pier is a flight at the bottom of a 2 7/8” pipe. These I believe are 1” or 1 1/8”. Even though they are solid it doesn’t stop them from bending. The foundation sitting on the seat causes an outward pressure bending the pier.

[@stevegarbauski8124]

He didn’t know which way to turn a nut

[@NickBecker-f1c]

I like how the guys closest to the machine have the least safety protection I pull these out all the time