soil compaction standards

Soil Compaction Handbook

There are five principle reasons to compact soil: There are four types of compaction effort on soil or asphalt: Soil compaction is defined as the method of mechanically increasing the density of soil. In construction, this is a significant part of the building process.

Quality Control of Soil Compaction - Standards Worldwide

This publication, “Quality Control of Soil Compaction Using ASTM Standards,” is dedi-cated to the memory of former Committee D18 Chairman, Terry Hawk. Terry had risen to the leadership of Committee D18 through his 20 years of exemplary hard work and quality performance. He sometimes faltered in pronouncing the names of those receiv-

ASTM D7380 - 15 Standard Test Method for Soil Compaction ...

D7380-15 Standard Test Method for Soil Compaction Determination at Shallow Depths Using 5-lb (2.3 kg) Dynamic Cone Penetrometer water content~ dynamic cone penetrometers~ dynamic cone penetration test~ ~

Soil Compaction Testing Requirements

Soil De-compaction and Testing Requirements . Soil Compaction Testing Requirements . 1. Subgrade soils prior to the application of topsoil (see permanent seeding and stabilization notes for topsoil requirements) shall be free of excessive compaction to a depth of 6.0 inches to enhance the establishment of permanent vegetative cover. 2.

Quality Control of Soil Compaction Using ASTM Standards

Soil compaction is a critical part of most engineered structures that use the earth or soil as a foundation or a base for support. The soil’s engineering properties, including strength, compressibility, and permeability, can be improved and become more predictable with the proper degree of compaction.

Quality Control of Soil Compaction Using ASTM Standards ...

A new publication available from ASTM International provides the latest information on the proper application of ASTM standards for soil compaction for various earthworks.Manual 70, Quality Control of Soil Compaction Using ASTM Standards, combines established soil mechanics engineering fundamentals and the discussions on using the latest ASTM standards related to those fundamentals.

Example Recommendations for Compaction Specifications

of the maximum dry- density and within. [. select dry % to wet %, or wet of optimum range. ] of the optimum moisture content on the moisture-density curve of the site lift at full compaction, as generated by each soil- compactor-lift thickness combination used for each fill lift.

Fundamentals of Soil Compaction

of soils. Because of the importance of compaction in most earth works standard procedures have been developed. These generally involve compacting soil into a mould at various moisture contents. • Standard Compaction Test AS 1289-E1.1 Soil is compacted into a mould in 3-5 equal layers, each layer receiving 25 blows of a hammer of standard weight.

Proctor Soil Compaction Test - Procedures, Tools and Results

Compaction of soil is the optimal moisture content at which a given soil type becomes most dense and achieve its maximum dry density by removal of air voids. Proctor Soil Compaction Test Compaction is the process of densification of soil by reducing air voids.

Proctors Test For Compaction of Soil – Procedures, Tools and ResultsCompaction is the process of densification of soil by reducing air voids. The degree of compaction of a given soil is measured in terms of its dry...Equipments For Proctor’S Test For Compaction of Soil1. Compaction mould, capacity 1000ml. 2. Rammer, mass 2.6 kg 3. Detachable base plate 4. Collar, 60mm high 5. IS sieve, 4.75 mm 6. Oven 7. Desiccat...Procedure of Proctor’S Test For Compaction of Soil1. Take about 20kg of air-dried soil. Sieve it through 20mm and 4.7mm sieve.2. Calculate the percentage retained on 20mm sieve and 4.75mm sieve, an...Data Sheet For Compaction Test of SoilDiameter of the mould =Height of mould =Volume of the mould, V=Specific gravity of solids, G=Plot a curve between w as abscissa and as ordinate.Fig...

Geotechnical Engineering Standards - ASTM International

Standard Test Method for Soil Compaction Determination at Shallow Depths Using 5-lb (2.3 kg) Dynamic Cone Penetrometer D7698 - 19 Standard Test Method for In-Place Estimation of Density and Water Content of Soil and Aggregate by Correlation with Complex Impedance Method


Actual maximum layer thickness for uniform compaction of a given soil material may be substantially lower. Maximum size of rock or rock fragments should not exceed two-thirds of …

Maximum Dry Density of Soil and Optimum Moisture …

The scope of the Standard proctor compaction test is to determine the relationship between the moisture content and the density of the soil that is compacted in a mold with a rammer of 2.5kg dropped at a height of 305mm. Apparatus for Standard Proctor Compaction Test The apparatus consists of a standard mold of 4 inches in internal diameter.

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As stated previously, soil compaction involves a reduction in volume of the soil mass by the expulsion of air. As compaction increases, the degree of saturation increases. If the degree of saturation is less than about 90 percent, the soil is usually stable under dynamic loads. When the degree of saturation of a soil mass is between 90 percent and

Standard Proctor Test; Its Apparatus, Procedure, Result.

the standard laboratory compaction test which is developed is commonly called the Standard Proctor Test. According to Proctor, the compaction of a soil mass is dependent on the following four major factors: 1. Soil type, 2. Moisture Content, 3. Compactive effort, 4. Dry density of the soil. Soil type and Moisture content.

Department of Agriculture | NJ Soil Erosion and Sediment ...

Since 1976, New Jersey has required the management of soil erosion and stormwater from virtually all non-agriculture, construction-based soil disturbances through its adoption of the NJ Soil Erosion and …

A Guide for Dirt Pads and Compaction Tests | Manuel Builders

Dec 08, 2017 · A compaction test is used to verify that the pad upon which your home will be built is stable enough to bear the weight of your foundation. It is mainly made up of three soil samples, one from the center and two from opposite corners of your pad. The soil samples are tested to determine the density, moisture and compaction levels.

Standard Test Methods for Laboratory Compaction ...

Laboratory Compaction Characteristics of Soil Using Modified Effort (56,000 ft-lbf/ft 3 (2,700 kN-m/m)) 1 This standard is issued under the fixed designation D1557; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision.

Proctor Compaction Test: A Basic Guide - Gilson Co.

The selection of method is based on project requirements and specifications. This blog post will focus on the significance of soil compaction (particularly the Proctor Test), how the test is performed, necessary equipment and helpful tips. What is the Proctor test? The standard and modified Proctor test procedures are straightforward.

Soil Compaction: Meaning, Compaction, Methods and Effect ...

Introduction to Soil Compaction: ADVERTISEMENTS: Rearrangement of soil particles and packing …

An Introduction to Soil Compaction Testing

Jun 19, 2014 · Looking for examples of how a soil compaction test can be performed? We introduce you to standard proctor testing, nuclear, sand cone & more.

What does it mean by 95% compaction? - Quora

Jun 08, 2018 · Compaction is the removal of air voids from soil and to increase the density of soil by bringing particles close to each other. Compaction is very important factor in on ground activities where foundation rests on soil.

What is compaction?Oct 21, 2018What does it mean for a contractor when he is given 95% ...Sep 14, 2018What is a 90% compaction?Jul 03, 2018Soil has 80% compaction. To get 90% compaction, what do we ...Mar 22, 2018See more results

What is the difference between standard proctor test and ...

Standard delegate test - entire soil test is compacted in 3 layers with 25 equally appropriated blows on each layer with 2.5 kg rammmer and free fall of 300 mm. In Modified delegate test -entire soil test is …

Soil Compaction in Residential Construction| Concrete ...

CHOOSING AND USING THE RIGHT COMPACTION EQUIPMENT. For large fill areas, rolling is the fastest, most efficient compaction method. Hand-held compactors can be used in smaller areas and for places that larger mobile equipment can't reach. For granular soils, vibrating plate compactors work best.

ROAD COMPACTION: Under pressure | Roads & Bridges

In the construction of paved roads, one of the most important design aspects is the compaction of the subgrade material. The specification for compaction of the subgrade materials has conventionally been set based on the Proctor compaction test (AASHTO T99) conducted on a particular subgrade material.

New Jersey Department of Agriculture Soil Erosion and ...

and the New Jersey Standards for Soil Erosion and Sediment Control 1. What is the Soil Restoration Act and how does it affect NJ Soil Conservation District ... required the Department to develop new erosion control practices for mitigating soil compaction on constructions sites which are regulated by the NJ Soil Erosion and Sediment Control Act ...

Soil Compaction: Where, How Bad, What to Do?

Compaction Definitions. • Soil compaction – Decrease in soil volume and porosity, or increase in soil bulk density, due to mechanical stress on soil, for example, from traffic of agricultural machinery. Compaction can also occur naturally.

An Introduction to Soil Compaction Testing

Jun 19, 2014 · There are a variety of different benefits to soil compaction, including: prevention of soil settlement and frost damage, increased ground stability, reduced hydraulic conductivity and mitigating undesirable settlement of structures, such as paved roads, foundations and piping.

Guidelines for Earthwork Construction Control Testing …

Guidelines for Earthwork Construction Control Testing of Gravelly Soils 2 given in standard procedure USBR 7255 [1] where percent compaction is defined


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1 SOIL OMPACTION MOISTURE CONTENT/PROCTOR DENSIT CURVE The importance of water to the process of soil compaction cannot be overstated. Every type of soil has physical characteristics that define how the soil reacts to moisture. For every soil material, there is …

Soil Compaction in Residential Construction| Concrete ...

Use compaction whenever the soil is disturbed during construction or when it's used for fill. Compact disturbed soil beneath footings, slabs, basement floors, patios, garage floors, driveways, steps and sidewalks. If a sand, gravel, or crushed stone base is used beneath a slab, compact it too.

What Types of Soil Tests Required for Building Construction?

The degree of Compaction is measured in terms of dry density of soil. In Proctor’s Compaction Test, given soil sample sieved through 20mm and 4.75 mm sieves. Percentage passing 4.75mm and percentage retained on 4.75mm are mixed with certain proportions. Add water to it and leave it in air tight container for 20hrs.

Why 95% Compaction - Geotechnical engineering general ...

Mar 29, 2004 · Regarding the percent compaction one can use either test provided the resulting density is what is required to give the required engineering property. 100 percent standard could be equal to 90 percent modified and so the resulting density in the field will be the same irrespective of the method used.

Backfilling Trenches and Other Excavations

The soil lift will depend upon the nature of the backfill and the compaction equipment that is used. Water may be added during the compaction process, to assist with compaction. The general process follows …

What is the difference between 95% and 98% Proctor Compaction?

Sep 04, 2008 · As others have said it depends entirely on the soil type. Some soils will give you hardly any bearing capacity even at 98% compaction and others will be rock hard. So what you need to know …

ROAD COMPACTION: Under pressure | Roads & Bridges

For two of the soils the exudation pressure of 240 psi was reached for the soil compacted at a moisture content within 1% of the optimum moisture content. However, this was not the result for the silt soil. A much higher exudation pressure was required for the silt soil even when its compacted moisture content was 2% above the AASHTO T99 optimum.

Compaction Procedures for Different Types of Soils ...

Mar 27, 2014 · Silty soil is a fine-grained soil. These can be plastic or non-plastic depending upon the clay content in it. Silts and fine sands with high water content have a tendency to undergo liquefaction under vibrating rolling due to the pore water pressure generated by mechanical work.

How to Test Compaction of Soil? | Soil Engineering

The compaction parameters in a standard Proctor test are – W is the weight of rammer blow = 5.5 pounds, h is the height of fall = 12 in. = 1 ft, n is the number of blows per layer = 25, l is the number of layers = 3, and V m is the volume of the mold = 1/30 cubic ft.

Methods for Achieving and Measuring Soil Compaction ...

In the standard Proctor test (ASTM D 698), samples of the soil are mixed at several different water contents in the laboratory, allowed to stand for at least 16 hours, and then compacted using a standardized procedure. After the wet weight is obtained, the soil is dried and the dry weight determined.

Modified Proctor Test: Its Procedure, Apparatus, Result.

The major aim of compaction of soil is to increase shear strength, decrease compressibility, reduce permeability, & to control swelling & shrinkage of soil. The degree of compaction of soil is measured in terms of its dry density. The maximum dry density of soil occurs at optimum moisture content (OMC).

Recommended Compaction Requirements for …

Project Summary Report 1874-S – 4 – The University of Texas at Austin Center for Transportion Research 3208 Red River, Suite #200

Compaction Equipment Specifications and Charts ...

Find equipment specs and charts for the most popular types of heavy equipment, including Compaction Equipment.

Modified Proctor Test - an overview | ScienceDirect Topics

20.3.6 Soil Compaction STEP 1: Soil that needs to be compacted is placed in a standard mold and compacted ( Fig. 20.7 ). STEP 2: Compaction of soil is done by dropping a standard ram 25 times for each layer... STEP 3: After compaction of all five layers, the weight of the soil is obtained. STEP ...

Proctor Compaction Test - Geotechdatafo

The Proctor compaction test consists of compacting soil samples at a given water content in a standard mould with standard compaction energy. The standard Proctor test uses a 4-inch-diameter mould with the compaction of three separate layers of soil using 25 blows by a 5.5 lb hammer falling 12 inches.

New Jersey Department of Agriculture Soil Erosion and ...

The Standards for Topsoiling and Land Grading include new and revised requirements to mitigate the potential for soil compaction. General changes include but are not limited to: 5” of topsoil required (no longer just a recommended), and a requirement to test subsoil for


EB 15-025 Page 3 of 11 1. SCOPE This test method describes the procedure for determining the in-place density and moisture of earthwork through the use of a nuclear gauge.


VDOT Soils and Aggregate Compaction 2016v1.0 Chapter 4 | 5

Standard Proctor Test - Procedure - Apparatus - Calculation

Jan 27, 2019 · What is the difference between compaction and consolidation of soil? Compaction is actually a broader term and is carried out with the help of rollers or compactors.

Standard Test Methods for Laboratory Compaction ...

Standard Test Methods for Laboratory Compaction ... ... Compaction

Soil Density - Standard vs Modified Proctor

12/30/03 9 © 2003 Keystone Retaining Wall Systems Soil Density - Standard vs Modified Proctor Reinforced soil structures routinely specify that all soils be ...

Soil Compaction Testing Services - Melbourne, Sydney & …

Our consultants based in Sydney, Newcastle and Melbourne are accredited to perform soil compaction tests using the Standard Proctor/Standard Compaction testing and Modified Proctor testing.