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D4914 Test Methods for Density and Unit Weight of Soil and Rock in Place by the Sand Replacement Method in a Test Pit D4944 Test Method for Field Determination of Water Moisture Content of Soil by the Calcium Carbide Gas Pressure Tester D4959 Test Method for Determination of Water Content of Soil By Direct Heating
Dec 12 2013· Sand replacement 1 Sand replacement test 2 Objective Student should be able to Determine the in situ density of natural or compacted soils using sand pouring cylinders 3 Theory By conducting this test it is possible to determine the field density of the soil
Test Procedure Insitu Density Determination by Sand Replacement Method Lecture Note 7 – Thursday 030404 2 1 Methods of determining the unit weight of soils in the field 3 This page intentionally left blank 4 Equipment • Sand cone apparatus which consists of a onegallon plastic bottle with a metal cone attached to it
The verification of the degree of compaction can be determinate on site by a simple procedure consisting essentially in removing and weighing a part of compacted soil and replacing in the hole with sand by a simple apparatus recording the volume of sand and then calculating the density of the removed soil
This test method describes the procedure for determining the inplace density and moisture of earthwork through the use of a sand cone or volumeter apparatus This method may be used in conjunction with either the Standard AASHTO T99 or Modified Proctor AASHTO T180
PROCEDURE Calibration of the Cylinder 1 Fill the sand pouring cylinder with clean sand so that the level of the sand in the cylinder is within about 10 mm from the top Find out the initial weight of the cylinder plus sand W 1 and this weight should be maintained constant throughout the test for which the calibration is used 2
Oct 04 2014· Hoping that the above has helped the Quality Engineers or civil Engineers to better understand how the compaction test or Insitu density test using the sand replacement method is done Please subscribe above to get our latest post in your inbox And please visit our Facebook page Linkedin and Twitter
gauge cannot be used the methods described in Test Method for Earthwork Compaction Control by Sand Cone or Volumeter Apparatus or any other method approved by the Department shall apply 412 Warmup and check the equipment A Daily Most nuclear gauges require a warmup
sand replacement test procedures Proctor compaction test Wikipedia The Proctor compaction test is a laboratory method of experimentally determining the optimal moisture content at which a given soil type will become most dense and achieve its maximum dry test is named in honor of Ralph R Proctor who in 1933 showed that the
Oct 04 2014· Hoping that the above has helped the Quality Engineers or civil Engineers to better understand how the compaction test or Insitu density test using the sand replacement method is done Please subscribe above to get our latest post in your inbox And please visit our
put sand into the small plastic bags at 25 ml each prior to going to site c Pour the sand into a heap on the test surface d In windy conditions use a tyre or a 3sided enclosure to surround the sand such that sand is not easily to be drifted away
Aug 27 2018· The first step in case of sand replacement method is to calibrate the sand to be used ie to determine its bulk density This step should be carried out in the laboratory in order to avoid any error or mistake because the sanctity of test calculation is based on this parameter
Subsequent to weighting an example of soil is taken to decide its water content The sand cone is set on the test hole with the assistance of the base plate and sand is permitted to keep running by opening the control value At the point when the sand stop running the valve is shut and the cone is weighted with the rest of the sand
FIELD SAMPLING AND TESTING MANUAL TESTING PROCEDURES ND T 191 Density of Soil InPlace by the SandCone Method The AASHTO standard test procedure reports the percentage of material finer than the No 200 sieve to the nearest 01 except if the result is 10 or more
The shutter of the pouring cylinder should be closed during the operation The shutter should be opened and sand allowed to runout When no further movement of sand takes place in the cylinder the shutter should be closed The pouring cylinder should be removed and weighed to the nearest gram
The verification of the degree of compaction can be determinate on site by a simple procedure consisting essentially in removing and weighing a part of compacted soil and replacing in the hole with sand by a simple apparatus recording the volume of sand and then calculating the density of the removed soil
