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AASHTO T 386
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AASHTO T 386
AASHTO T 386 2019 Edition, 2019 Standard Method of Test for Rapid Axial Compressive Load Testing of Deep Foundation UnitsMore info
Description / Abstract:
This method covers the procedure for testing a vertical or inclined pile to determine the displacement response of the pile to an axial compressive load pulse of a preselected target peak force.
This test method is applicable to all deep foundation units that function in a manner similar to piles, regardless of their method of installation.
Two alternative procedures are provided:
Procedure A uses a combustion gas pressure apparatus to produce the required axial compression force pulse.
Procedure B uses a cushioned drop mass apparatus to produce the required axial compression force pulse.
All observed and calculated values shall conform to the guidelines for significant digits and rounding established in ASTM D6026.
The method used to specify how data are collected, calculated, or recorded in this standard is not directly related to the accuracy to which the data can be applied in the design or other uses.
AASHTO takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own responsibility.
The values stated in SI units shall be regarded as the standard. The inch-pound equivalents of the SI units may be approximate.
The gravitational system of inch-pound units is used when dealing with inch-pound units. In this system, the pound (lbf) represents a unit of force (weight), while the unit for mass is slugs. The rationalized slug unit is not given unless dynamic (F = ma) calculations are involved.
This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety concerns associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to its use. For specific hazards and precautions, refer to Section 6.
This test method is applicable to all deep foundation units that function in a manner similar to piles, regardless of their method of installation.
Two alternative procedures are provided:
Procedure A uses a combustion gas pressure apparatus to produce the required axial compression force pulse.
Procedure B uses a cushioned drop mass apparatus to produce the required axial compression force pulse.
All observed and calculated values shall conform to the guidelines for significant digits and rounding established in ASTM D6026.
The method used to specify how data are collected, calculated, or recorded in this standard is not directly related to the accuracy to which the data can be applied in the design or other uses.
AASHTO takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own responsibility.
The values stated in SI units shall be regarded as the standard. The inch-pound equivalents of the SI units may be approximate.
The gravitational system of inch-pound units is used when dealing with inch-pound units. In this system, the pound (lbf) represents a unit of force (weight), while the unit for mass is slugs. The rationalized slug unit is not given unless dynamic (F = ma) calculations are involved.
This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety concerns associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to its use. For specific hazards and precautions, refer to Section 6.