ASTM D4945-00 PDF

Designation: D – 00 1 This test method is under the jurisdiction of ASTM Committee D18 on Soil Last previous edition D – Dynamic Pile Testing. ASTM D Pile Driving Analyzer ®. Garland Likins, Pile Dynamics, Inc. PDCA Professor’s Institute. Garland Likins, Pile Dynamics. standard by ASTM International, 11/01/ View all product details ASTM D/DM Priced From $ ASTM D November

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This will enable an economical pile design and offer a considerable saving of cost for the project. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

The static pile load test is conducted at low strain and takes longer time than the dynamic pile load test, which is conducted at considerably higher strain [1]. The pairs of accelerometers and strain transducers are fixed to opposite sides of the tested pile, about at least one shaft diameter f4945-00 the head, either by drilling and bolting axtm to the pile or by welding mounting blocks to ensure a reasonably uniform stress field at the asym elevation [5], [2].

D — 00″ 5- Richard T. The cap must be cylindrical, smooth, well-reinforced and of good quality concrete. This is Portsudan city, which is located in western coast of the Red Sea in eastern Sudan [11].

The side of the cap is instrumented with two strain gauges, two accelerometers and electronic theodolite target. This formation is characterized with great variability in horizontal and vertical directions. Active view current version of standard. The dynamic load pile test, which is a simple aatm control test offering a considerable savings of time and cost and requires less space, can be used for predicting pile capacity and pile integrity under proper care and it should be calibrated by at least one static test.

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Remember me on this computer. Log In Sign Up. A pair of strain transducers receives the signals necessary to compute force, while measurements from a pair of accelerometers are integrated to yield velocity.

L Load KN 0 0 0. Q The main difference between this system and other dynamic load test systems is the using of an electronic scanning theodolite that records penetration for each blow and records real time elastic displacement [9].

Three projects are residential tower buildings representing a part of the residential tower buildings complex of Red Sea state. The pile design for projects should be optimized by determining the actual ultimate pile capacity, which may need to conduct pile test to failure or near to failure. There are two known methods, based on wave propagation theory, for the analysis and interpretation of the dynamic pile load test.

Dynamic Pile Testing – Quality testing | Dynamic Pile | Modern Construction solutions

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. It can be concluded that the dynamic load pile test can be used for predicting pile capacity and pile integrity under d4954-00 care and it should be calibrated by at least one static test. The impact produces a compressive wave that travels down the shaft of the foundation.

Note A suitable follower may be required for testing cast-in-place concrete piles. The dynamic load is converted to static load and the predicted static load-settlement curve can be plotted. Solanki, Associte Professor, and Y.

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Svinkin analyzed a distinctive case history presented by F4945-00 et al. These sensors are connected to an instrument such as a pile driving analyzerthat records, processes and displays data and results [2], [3], [4].

In our opinion, it is wise that to determine the actual pile ultimate capacity for a project by testing at least one pile to failure.

D4495-00 dynamic or total reaction, Rdy is calculated for each hammer blow and plotted versus cumulative penetration for the whole set of blows. This will be achieved by taking four case studies, conducted in Red Sea State in eastern Sudan.

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The load should be applied axially on the pile. The two test results are consistent to a good extent. This is very clear especially in the results of the pile of tower 1 project. Q Figure 3: Help Center Find new research papers in: Click here to sign up. Q Figure 6-a: It consists of estimating soil resistance and its distribution from force and velocity measurements obtained near the top of a foundation impacted by a hammer or drop weight.

For mandrel driven piles, the mandrel may be instrumented in a similar way to a driven pile provided that the mandrel is constructed of a single member with no joints. All tests were carried out on bored concrete piles.

Note High-strain dynamic testing requires a strain at impact which is representative of a force in the pile having the same s4945-00 of magnitude, or greater, than the ultimate capacity of the pile.