Excalibur High Capacity

The MPS Excalibur Displacement and Grouted Displacement Piles are large diameter pipe piles commonly used in commercial, industrial, data center, substations, transmission lines and other vertical construction applications. Comparable to traditional micropile and augercast piles, they provide a more economic deep foundation solution without breaking the bank.

These piles are available with installation torque capacities ranging from 32,000 ft-lbs to over 200,000 ft-lbs and standard available material strengths of 80 ksi and 110 ksi.

Piles are installed using common hydraulic rotary equipment. These deep foundation elements can provide axial capacities ranging from 180 to over 1,200 kips.

Our Grouted Displacement Piles follow the same general installation procedure as helical piles. As they advance through the soil, they displace the soil around the central steel pipe. Grout is continuously pumped to fill the void around the pile. This results in a steel shaft encapsulated in a grout column which can better resist lateral and moment loads as well as provide increased axial load resistance.

Each component, from the shaft to the grout column, is engineered to provide the best fit to meet your project’s specifications.

Description

Reach out to your local MPS distributor under "Contact Us" in the upper gray banner for custom pipe diameters and wall thicknesses. MPS is able to offer a wider range of pipe than as shown below.

Displacement Piles

Catalog Number Pipe OD (in) Wall Thickness (in) weight per ft Allowable Compression and Tension Capacity (kips) Maximum Installation Torque (ft-lbs) Estimated Kt factor (ft-1)
H45 4.5 0.290 13.5 184 32,000 6
H55 5.5 0.361 20 280 50,000 5
H70 7 0.408 29 406 100,000 4
H96 9-5/8 0.545 54 746 200,000 3.5
H13 13-3/8 0.480 67 933 300,000 2.5

Grouted Displacement Piles

Catalog Number Shaft Size (in) Grout Diameter (in) Estimated Grout Take (CY/ft) Structural Compression Capacity (kips) Structural Tensions Capacity (kips) Max Torque (ft-lbs) N60 that may require pre-augering (BPF)
G45 4.5 x 0.290 10 - 14 0.023 - 0.045 200 - 300 140 32,000 20 - 25+
G55 5.5 x 0.361 12 - 16 0.032 - 0.059 300 - 420 215 50,000 30 - 35+
G70 7 x 0.408 14 - 18 0.044 - 0.074 400 - 490 315 100,000 35 - 40+

Structural capacities calculated using IBC (2024) with 80ksi shaft and 4ksi grout.

This table is a guide only. Additional shaft diameters, wall thicknesses, and material grades may be utilized to provide the most economical piling solution.

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