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Helical Anchor Installation Torque Monitor

clock March 30, 2011 18:41 by author blogadmin
The ECP Helical Anchor Installation Monitor can monitor installation torque, RPM, depth, and GPS coordinates.
ECP Helical Anchor Installation Monitor

 

The ECP Smart Anchor Monitor (SAM) is revolutionizing the helical anchor industry. No longer do engineers and helical anchor installers need to rely on inaccurate torque monitoring systems. The old days of watching for shaft twist and hydraulic pressures have gone the way of the dinasours. Today foundation repair and new construction contractors can monitor installation torque, RPM, depth, angle of installation and GPS coordinates with the ECP Smart Anchor Monitor.If you are not utilizing the ECP S.A.M. technology, then your competition is one step ahead of you. For more information about the ECP SAM, call Earth Contact Products today!

 

SAM 10 - 10,000 ft-lb model fits 5-1/4" bolt circle           SAM 25 - 25,000 ft-lb model fits 7-5/8" bolt circle

 

  • Highly Accurate Monitoring Capability
  • Torque, RPM, Angle, Depth & Location Monitoring
  • Easy to Use
  • Rugged Design
  • Logged Data can be Exported to Excel Spreadsheet
  • GPS Capable
  • Connects to Current Tooling

 



All helical anchors are the same, right?

clock February 12, 2011 19:41 by author blogadmin
Not all helical piers are made the same. Know what kind of helical pier you have to increase the longevity of your home's structure.

 

From a distance, helical anchors from manufacturer to manufacturer look similar, but are they? In simplest terms – No they are not the same. As a matter of fact, there can be huge differences in helical anchors. Some suppliers use old oilfield pipe (known as J55 pipe) and this can make a huge difference in longevity and structural safety of the helical anchor.

First of all, the used oilfield pipe available for the helical anchor market is pipe that is deemed no longer fit to be used in the oil rig. With the high oil prices and the pipe shortages, the oil rig operators are wearing it out before they sell it.

 Let's talk about salt water in oil production. Most of the existing wells in Texas, Oklahoma and the Midwest are classified as stripper wells. These are wells that produce a 90% / 10% mix of fluid on a daily basis. This means that if the well produces 10 barrels of oil a day, it also produces 90 barrels of saltwater per day. The affects of saltwater on steel pipe does not need explanation. Furthermore, periodically, acid is drawn down the wells to help the flow of fluids into the well bore. Once again, not much explanation needed.

Last but not least, the most destructive effect on oil field pipe is known as rod wear. Inside the oilfield pipe, which is known as drill stem, are the sucker rods. Now very quickly, a brief lesson on oil production. The pumping unit sits on the surface. Attached to the horse head on the pumping unit is the bridle. Attached to the bridle is the polish rod. Attached to the polish rod are the sucker rods. Down deep in the hole is the rod pump. To pump this fluid (saltwater & oil) out of the hole, the horse head, the polish rod, the sucker rods and the pump have to go up & down constantly. These rods, going down through this pipe are rubbing against something and that something is the used casing pipe (J55 pipe). Oilfield operators generally will not stop using this pipe until they have determined that 30% or more of the wall thickness is gone.

To spell it out, these super hard rods, rubbing constantly against the casing pipe, causes some very thin spots inside the pipe. So, pipe that was nice and thick when it was new, has salt-water corrosion, acid corrosion and very thin spots due to "rod wear". Does this sound like pipe that should be used to manufacture helical anchors that provide structural support?

Obviously not all helical anchors are the same. Manufacturers that use old oilfield pipe may be putting your structure at risk. Why would they do this? Cost is the only reason. New structural steel pipe cost a bit more but is certified to specifications and is designed to provide years of structural support. Not all helical anchors are the same, as a matter of fact, there are major differences between helical anchors.



Expansive Soils in Texas

clock August 2, 2010 14:32 by author blogadmin
Expansive soils can cause foundation cracks in driveways and homes. Hire a professional to inspect your damages and install a helical steel pier system.

Damage to homes and commercial structures in the US is commonly related to soil characteristics, with expansive (shrink/swell) soils and collapsing soils causing the most problems. Cracking of foundations, walls, driveways, swimming pools, and roads costs us millions of dollars each year in repairs. Severe or recurring damage can lower the value of a house or property. According to the American Society of Civil Engineers, about half of the houses built in the United States each year are situated on unstable soil, and about half of these will eventually suffer some soil related damage.  This damage causes greater financial loss to property than earthquakes, flooding, hurricanes and tornados combined. 

Each spring and summer homeowners in Texas are reminded of this, as the moisture content of their expansive clay soils dramatically increases and decreases with the seasons.  The causes of soil expansion or collapse are related to the type of clay minerals in the soil and original soil density. A change in soil moisture content can cause clay minerals to swell like a sponge or to collapse as it dries.  Expansive clay soils can cause walls and foundations to crack and roads and sidewalks to warp.  

The first sign of expansive soils causing a need for foundation repairs is when you notice a misalignment of doors and windows. Another indication of soil expansion is when your patio or driveway slabs buckle or move away from the house. Non-load-bearing walls, which do not have enough weight to resist the pressure produced by expansion, typically crack before load-bearing walls do. Upon drying, expansive soil shrinks, forming large, deep cracks or "popcorn" texture in surface exposures. 

Decreasing the effects of expansive clay soils can be accomplished several ways. The application of hydrated lime to swelling soils is a common treatment that is usually effective in reducing expansion. Another effective method is to replace the expansive soils with non-expansive fill. This can only be accomplished in new construction projects. The application of protective barriers, such as geo-membranes, that surround the homes foundation help keep soil moisture levels constant and prevent the infiltration of surface water. 

For larger problems caused by expansive soils, helical piers or steel piers can be an effective solution. These piers extend the foundation below the active soil layers to a non expansive stratum of soil. The key to these types of foundation repair techniques is depth. One must bear these piers on deep soils at least three times their diameter below the expansive layers.

Poor drainage can result in ponding of water, which allows clays to absorb water, expand and cause problems. Gutters and downspouts should direct water at least 10’ away from the foundation to help maintain consistent soil moisture. Deep watering of landscaping plants and lawns by drip irrigation systems also can trigger soil expansion.

 



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