Magnacore Self-Drilling Micropiles for Contractors
Magnacore self-drilling micropiles help contractors build capacity and stability when ground conditions make conventional micropile methods slower, riskier, or impractical. When soils collapse, boulders interrupt progress, or access limits prevent multi-step drilling, a self drilling anchor system that drills and grouts in one operation can keep the plan moving while still delivering a reinforced grout column designed for structural demand. Intech Anchoring Systems supplies Magnacore self-drilling micropiles and system components so crews can install hollow bar micropiles efficiently and maintain consistency from the first extension to final load transfer.
Call Intech Anchoring Systems at (888) 458-8904 to request Magnacore self-drilling micropile information and straightforward pricing.
Magnacore Bar Sizes & Stock Availability
The Magnacore® Self Drilling Anchor (SDA) from Intech Anchoring Systems is designed to address challenging soil conditions where traditional micropiles may not be suitable. Magnacore has a full line of hollow bar anchor rods to meet your project’s needs including:
- R32
- R38
- R51
- T40
- T52
- T76
Our standard stock length of bar is 4.92 ft (1.5 m) and 9.84 ft (3 m). The standard bar is non-galvanized. Galvanized bars can be ordered custom.
Special orders can be placed for custom bar lengths, sizes, and bit sizes. Request more information from your BDM – or contact us here.
Magnacore Hollow Bar Specifications
| Bar Type | Outer Diameter | Inner Diameter | Area | Ultimate Load (Pu) | Yield Load (Py) | Ultimate Stress (Fu) | Yield Stress (Fy) | Weight |
|---|---|---|---|---|---|---|---|---|
| MCR32/15 | 1.26 in (32 mm) | 0.59 in (15 mm) | 0.79 in² (510 mm²) | 81 kips (360 kN) | 63 kips (280 kN) | 102 ksi (706 MPa) | 80 ksi (549 MPa) | 2.69 lbs/ft (4.00 kg/m) |
| MCR38/18 | 1.50 in (38 mm) | 0.71 in (18 mm) | 1.17 in² (752 mm²) | 124 kips (550 kN) | 101 kips (450 kN) | 106 ksi (731 MPa) | 87 ksi (598 MPa) | 3.96 lbs/ft (5.90 kg/m) |
| MCR51/29 | 2.01 in (51 mm) | 1.14 in (29 mm) | 1.78 in² (1146 mm²) | 180 kips (800 kN) | 142 kips (630 kN) | 101 ksi (698 MPa) | 80 ksi (550 MPa) | 6.05 lbs/ft (9.00 kg/m) |
| MCT40/20 | 1.57 in (40 mm) | 0.79 in (20 mm) | 1.22 in² (790 mm²) | 121 kips (539 kN) | 97 kips (430 kN) | 99 ksi (682 MPa) | 79 ksi (544 MPa) | 4.17 lbs/ft (6.20 kg/m) |
| MCT40/16 | 1.57 in (40 mm) | 0.63 in (16 mm) | 1.42 in² (917 mm²) | 148 kips (560 kN) | 118 kips (525 kN) | 104 ksi (720 MPa) | 83 ksi (573 MPa) | 4.84 lbs/ft (7.20 kg/m) |
| MCT52/26 | 2.05 in (52 mm) | 1.02 in (26 mm) | 1.92 in² (1236 mm²) | 209 kips (929 kN) | 164 kips (730 kN) | 109 ksi (752 MPa) | 86 ksi (591 MPa) | 6.52 lbs/ft (9.70 kg/m) |
| MCT76/45 | 2.99 in (76 mm) | 1.77 in (45 mm) | 3.89 in² (2510 mm²) | 427 kips (1900 kN) | 337 kips (1500 kN) | 110 ksi (757 MPa) | 87 ksi (598 MPa) | 13.24 lbs/ft (19.70 kg/m) |
Your Trusted Partner For Sdas
Key Advantages of Magnacore Self-Drilling Micropiles
Magnacore uses an injection-bore approach that combines drilling and grouting into a single top-down operation. The hollow bar acts as the drill string and also serves as a conduit for high-pressure neat cement grout, which supports installation in difficult ground where an open hole may not stay stable. As grout permeates adjacent soils, it forms a competent grout column that works with the hollow bar reinforcement to support load transfer in challenging profiles.
The system also supports project flexibility. Magnacore hollow bar micropiles can address unstable soil conditions, work in areas with limited access or overhead clearance, and handle applications that demand high lateral load or tension resistance. With multiple bar sizes and compatible installation accessories, crews can tailor the assembly to the job requirements rather than forcing a one-size approach.
Magnacore Self-Drilling Micropile Installation Process
Magnacore installation stays focused on alignment, controlled advancement, and grout delivery that reinforces the element as it installs. Intech Anchoring Systems helps contractors plan the right components so each step stays efficient on site.
- Job review and component planning: Confirm design intent, depth target, load demand, and the bar size that fits the scope.
- Tooling and adapter setup: Select the appropriate drill bit and connect drill bit adapters for stable drilling performance.
- Single-pass drill and grout operation: Advance the hollow bar while injecting neat cement grout through the bar as drilling progresses.
- Extension and coupling as needed: Add length using couplers to reach target depth while maintaining alignment and continuity.
- Hardware and bearing assembly: Install nuts, plates, washers, and other components needed for the connection detail.
- Verification and closeout: Confirm installation alignment and overall system readiness based on project requirements, with straightforward pricing kept clear from the start.
Related Magnacore Micropile Components and Project Tasks
Magnacore projects often involve selecting bar sizes, choosing stock lengths, and pairing the installation with the right accessories for the connection detail. Intech Anchoring Systems supports tasks such as:
- Hollow bar size selection: Match application needs with available bars such as R32, R38, R51, T40, T52, and T76.
- Stock length planning: Use standard stock bar lengths of 4.92 ft (1.5 m) and 9.84 ft (3 m) to support efficient assembly.
- Corrosion protection planning: Specify standard non-galvanized bar when appropriate or order galvanized bar as a custom option.
- Custom order coordination: Request custom bar lengths, sizes, and bit sizes to meet project-specific demands.
- Coupler integration: Connect bar extensions securely to maintain continuity as depth increases.
- Drill bit adapter setup: Pair drilling equipment with the Magnacore system using compatible adapters.
- Centralizer and sleeve planning: Support alignment and section protection using centralizers and sleeved pipe where required.
- Plate and nut configuration: Use bearing plates, spherical nuts, hex nuts, and bevel washers to match the connection detail.
Learn More About Magnacore Applications
Micropiles
In projects with limited access or weak soil conditions, Magnacore micropiles prove to be highly beneficial and suitable for a variety of applications. Micropiles have emerged as a preferred method for stabilizing deep foundations due to their reliability, versatility, and efficiency.
Soil Nails
Soil nails are used in the construction of earth retention systems to provide support in areas requiring deep excavations or where slope stability is a concern. The design of these systems must address factors like movement control, stability during construction, and wall drainage. Magnacore is a suitable option for such projects, as it can be utilized for stabilizing slopes, soldier pile and lagging installations, as well as soil nail applications.
Tieback Anchors
A tieback is a tensioned anchoring element installed through or behind a retaining wall to help the wall resist lateral earth pressures. One end connects to the wall system, while the embedded end develops resistance in the ground through a grouted anchor zone. Using Magnacore self-drilling anchors for tieback applications streamlines installation by drilling and grouting in a single operation, which can shorten cycle times, reduce handling steps, and improve overall cost efficiency on constrained or fast-paced projects.
FAQs About Magnacore Self-Drilling Micropiles
What is a self-drilling micropile?
A self-drilling micropile uses a hollow bar element that drills into the ground while grout injects through the bar during installation. This method reinforces the installed element as it advances, which helps in soils that do not hold an open hole.
When does a hollow bar micropile make more sense than a conventional micropile approach?
Hollow bar micropiles often fit best when soil conditions are unstable or when production needs to stay efficient without multiple drilling and grouting steps. They also fit projects where access limits or overhead restrictions make extra equipment and staging difficult.
What bar sizes does Magnacore offer?
Magnacore includes a full line of hollow bar anchor rods, including R32, R38, R51, T40, T52, and T76. Your required loads, installation constraints, and design details help determine which size fits the scope.
Do Magnacore bars come in different lengths or protective finishes?
Standard stock lengths include 4.92 ft (1.5 m) and 9.84 ft (3 m), with standard bar supplied as non-galvanized. Galvanized bars and other custom configurations can be ordered when the project calls for it.
Can Magnacore support tieback or earth retention needs?
Yes. A self drilling anchor system can support tieback style applications where the design requires a grouted element that resists tension and helps stabilize retaining structures, especially when speed and site constraints matter.
Why Project Managers & Engineers Choose Intech Anchoring Systems
Micropile performance depends on more than just having material on site. Bar selection, accessory compatibility, and a practical installation plan all influence how smoothly the system installs and how consistently the assembly performs. Intech Anchoring Systems supports contractors with Magnacore components, application guidance, and product options that fit unstable soils, access limitations, and tension or lateral demands without unnecessary complexity.
Intech Anchoring Systems also keeps project decisions easier to manage. With straightforward pricing and clear communication around stock availability, standard lengths, and custom ordering options, your team can plan procurement with fewer surprises and keep schedules more predictable as the work progresses.
Request Magnacore Self-Drilling Micropiles Today
If your project needs a hollow bar micropile system that installs efficiently in difficult ground, Magnacore self-drilling micropiles can provide a reliable path forward. From bar size selection to accessory coordination, having the right system components and a clear plan supports faster installation and consistent results across the scope.
Call Intech Anchoring Systems at (888) 458-8904 today to request Magnacore information, specs, and straightforward pricing from Intech Anchoring Systems.
