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Amyar Saeed Othman

The document outlines Experiment No. 5, the Sand Cone Test, conducted by Amyar Saeed Osman under the supervision of Mr. Hunar at the University of Halabja. The aim of the experiment is to determine the density and water content of compacted soils using a sand cone apparatus. The document includes sections on introduction, aim, equipment, procedure, calculations, discussion, and references related to the test.

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19 views11 pages

Amyar Saeed Othman

The document outlines Experiment No. 5, the Sand Cone Test, conducted by Amyar Saeed Osman under the supervision of Mr. Hunar at the University of Halabja. The aim of the experiment is to determine the density and water content of compacted soils using a sand cone apparatus. The document includes sections on introduction, aim, equipment, procedure, calculations, discussion, and references related to the test.

Uploaded by

amyarsaeed7
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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University Of Halabja

Presidency of University
Civil Engineering Department
3rd Stage

Experiment no.5 Group:A


Sand Cone Test

Name: Amyar Saeed Osman


Lecturer: Mr. Hunar
Date: 19/01/2024
Content page

Introduction ……………………………………………….. 3
Aim …………………………………………………………….. 3
Equipments ………………………………………………….4
Procrdure ……………………………………………………..5
Calculation…………………………………………………….6
Discussion …………………………………………………….7
Reference ……………………………………………………..8
Introduction

The sand cone method employs the use of a uniformly graded


sand to fill a test hole. The hole is hand excavated in the soil
and all the material from the hole is saved in a container. The
hole is filled with free-flowing sand of a known density, and the
volume is determined.

Aim
To determine the density and water content of compacted
soils. It often is used as a basis of acceptance for compacted
soils.
Equipments
1)-Balance
2)- standard proctor test mold
3)-Oven with accurate temperature control
4)-Sand cone apparatus
5)-Base plate
6)-Tools to excavate hole
Procedure

Step 1: Find the Dry Unit Weight of Sand


Step 2: Determine the Weight of a Cone Full of Sand
Step 3: Prepare the Test Hole & Collect Your Soil Sample
Step 4: Determine the Volume of the Test Hole
Step 5: Determine the Moist Unit Weight of the Soil
Sample Content of the Soil
Calculation

Ƴd sand= 1522.6/944= 1.613 g/m3

W total= 8011.7 g
W cone= 1299.2 g
W hole sand= 1075.5

Ƴd sand= W/V
1.613= 1075.5/V V=666.76 m3

Ƴt soil= 1497/666.76= 2.24 g/m3


Ƴd soil= ƴt/1+w= 2.24/1+0.14= 1.96
Discussion

We Take an empty sand cone and weight it (W1). Again fill it with
known value of sand and reweigh it to get exact weight of test
sand(W2). Now, go to field and place the hole plate where you want to
test the density of soil. After that dig the soil gently deep about 4 to 5
inches with the help of hole base plate take out the dogged soil from
hole making the whole inner surface smooth and uniform. After that,
take weight of previously excavated soil from hole(W4). After that place
the sand cone on the hole of plate exactly covering whole around. Now,
let the sand from the cone fill the excavated area by opening the control
valve and close the funnel valve once the area filled. The, again take the
weight of the remaining test sand in the funnel. Let, the remaining
weight of sand be (W3). After calculating the weight of remaining test
soil we can calculate the weight of test soil reached to the excavated area
(W2-W3). Now the volume of that excavated portion can be calculated
by Volume of Excavation(V) = (Weight of test sand(W2-W3)/density of
test sand(D1)) and now you can be able to calculate the field density of
soil by formula (Weight of field soil(W4)/ Volume of field Soil(V))
Reference
- Sand Cone Method test.pdf.

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