ASTM D4945 - 12 PDF

Plans, specifications, or provisions or combinations thereof prepared by a qualified engineer may provide additional requirements and procedures as needed to satisfy the objectives of a particular test program. A qualified engineer should directly supervise the acquisition of field data and the interpretation of the test results so as to predict the actual performance and adequacy of deep foundations used in the constructed foundation. A qualified engineer shall approve the apparatus used for applying the impact force, driving appurtenances, test rigging, hoist equipment, support frames, templates, and test procedures. These notes and footnotes excluding those in tables and figures shall not be considered as requirements of the standard.

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More D Scope 1. Plans, specifications, or provisions or combinations thereof prepared by a qualified engineer may provide additional requirements and procedures as needed to satisfy the objectives of a particular test program.

A qualified engineer should directly supervise the acquisition of field data and the interpretation of the test results so as to predict the actual performance and adequacy of deep foundations used in the constructed foundation. A qualified engineer shall approve the apparatus used for applying the impact force, driving appurtenances, test rigging, hoist equipment, support frames, templates, and test procedures. These notes and footnotes excluding those in tables and figures shall not be considered as requirements of the standard.

Imperative sentences indicate mandatory provisions. No other units of measurement are included in this standard. How one applies the results obtained using this standard is beyond its scope. 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 use.

For a specific precautionary statement, see Note 4.

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ASTM D4945 – 12 PDF

Tygojinn There are two known methods, based on wave propagation theory, for the analysis and interpretation of the dynamic pile load test. The CASE analysis of high strain bearing capacity detection of single pile and tensile stress and compressive stress analysis of piling monitoring can be conducted. Link to Active This link will always route to the current Active version of the standard. The quality of the result produced by this test method is dependent on the competence of the personnel performing it, and the suitability of the equipment and facilities used. Original asm, velocity curve, force curve, force velocity curve, upper and lower traveling wave curves, displacement velocity curve, energy curve, tensile stress curve and other display modes can be selected for observation, processing and analysis. For a specific precautionary statement, see Note 4. China arm pit China soak pit China eec d bike.

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Kikree This is very clear especially in the results of the pile of tower 1 project. The Engineer should determine how the size and shape 21 the pile, and the properties of the soil or rock beneath and adjacent to the pile, affect the amount of movement required to fully mobilize the static capacity. Not exactly what you want? Amplification, translation, rotation, filtering and other processing can be carried out for wave signals. The measured force at the pile top is separated into components upward and downward. If atsm Engineer does asym have adequate previous experience for the specific site and pile type with the analysis of dynamic test data for tension capacity, then a static load test carried out according to Test Method D should be used to verify tension capacity estimates. Load-Settlement Curves for Tower No.

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