what is the density of compacted concrete road base

Aggregate Base Density Data Earthwork/grading ...

Jun 09, 2005· Data from the "Design and Control of Concrete Mixtures" book, states that the particle density of aggregate is between 150 and 180 (lb/ft^3). This data refers to the "particle" density of aggregate. However, since aggregate is made up of particles, it is reasonable that the compacted density of the aggregate is between (150180 lb/ft^3).Details

CementTreated Base (CTB)

Cementtreated base (CTB) is an intimate mixture of aggregate material and/or granular soils combined with measured amounts of portland cement and water that hardens after compaction and curing to form a durable paving material. A bituminous or portland cement concrete wearing course is placed on the CTB to complete the pavement structure.Details

Methods for achieving and measuring soil compaction

If field tests on compacted cohesive soil indicate that field compaction pro c e d u r es are providing densities of about 95 percent of the maximum density according to the standard Proctor method, or about 90 percent of the maximum density according to the modified Pro c t o r method, compaction is re l a t i v ely good. Obtaining 100Details

Spike's Compaction Factor Calculator

From the first example, the compaction factor = based on 15% swell and 7% shrink for this material. Convert 200 cubic feet to cubic yards = 200/27 = cubic yards cubic yards * …Details

Compacting a Base for Pavers Bartell Global

Mar 21, 2016· Having a good mix of large and fine particles is recommended for successful compaction. Place the sub base in 4” to 8” lifts if possible, but be aware the compaction force of the machine may require you to adjust this. As a good rule of thumb, adjust your lift height in the ratio of 1” of material for every 1000lbs of compaction force.Details

Subgrade and Subbase for Concrete Slabs The Constructor

Soil compaction. Soil stabilization; Portland cement, calcium chloride, or lime blended into the soil then it is compacted. Excavated subgrade, mix it with gravel then apply compaction effort. 4. Subbase for Concrete Slab. Subbase is a layer of gravel, which is fairly cheap material, placed on top of subgrade.Details

Reclaimed Concrete Material User Guideline Granular ...

Mar 08, 2016· The same test procedures as used for conventional aggregate are appropriate for granular base applications when using RCM. Standard laboratory and field tests for compacted density and field measurement of compaction are given by AASHTO test methods T191 (10), T205 (11), T238 (12) and T239. (13) Special ConsiderationsDetails


compaction. The findings are also useful to agencies that have had no such problems. Satisfactory performance might not indicate that density standards are adequate but rather that, possibly due to improved construction equipment, the base compaction obtained in the field may be greater than required by specifications.Details

Compaction Factor For "Reference" Road Base Concrete ...

May 22, 2008· I did a search on the forum and couldn't find any information regarding compaction or fluff factors for standard road base material. I know I can hire someone to do that for me, but all I need is a decent reference that identifies the factor (either fluff or compaction, inverse of each other) for a "standard" or "reference" road base material.Details

Subgrade and Subbase for Concrete Slabs The Constructor

Subgrades amp; Subbases for Concrete Slabs The Concrete NetworkDetails

Item 247 Flexible Base

Place successive base courses and finish courses using the same construction methods required for the first course. Compaction. Compact using density control unless otherwise shown on the plans. Multiple lifts are permitted when shown on the plans or approved. Bring each layer to the moisture content directed. WhenDetails

Benefits and Costs of RollerCompacted Concrete

Nov 25, 2019· Roller compacted concrete (RCC) was originally limited to the subbase of roads and airfield pavements, being called lean concrete or dry lean concrete. This type of concrete has become very popular due to the fact that it is a simple material to produce and because it can be placed fast while producing a great surface.Details

Gravel road construction specifications ... Cement Concrete

Five samples, for each 500 m length of road or as determined by the Engineer, have to take for determining field density. The field density shall not be less than ninetyfive (95) percent of the optimum dry density determined by Standard Proctor Compaction Test in the Laboratory for the material being compacted. The cost of such tests shall be ...Details

Compacted road base Burgan Equipment

33 Moisture/Density relationship › 34 CBR California Bearing Ratio 35 Field density, Bearing capacity 38 Soil permeability Compacted road base and subbase soils Moisture/Density relationship Proctor moulds and rammers 134 Automatic Proctor/CBR compactors 136 Vibrating compaction hammer 139 Proctor penetrometer 140Details

Density of Aggregate Bulk and Relative Density Civil ...

The approximate bulk density of aggregate that is commonly used in normalweight concrete is between 12001750 kg/m 3 (75110 lb/ft 3). Here, the Standard test method for determining the bulk density of aggregates is given in ASTM C 29 (AASHTO T 19).Details

Construction Aggregate Calculator Vulcan Materials Company

*Density Estimator Instructions: If you do not know the actual density, select the type of geology and product from the lists below and hit the “Estimate Density” button. An estimated density factor should then appear in the above density field.Details

Calculate 2" Minus Road base (RCA) | cubic yards / Tons

Type in inches and feet of your project and calculate the estimated amount of Recycled Materials in cubic yards, cubic feet and Tons, that your need for your project. The Density of 2" Minus Road base (RCA): 2,410 lb/yd³ or t/yd³ or yd³/tDetails

Rollcon LLC » RollerCompacted Concrete

Rollercompacted concrete, or RCC,is a fast, economical and durable paving process that takes its name from the construction method used to build it. It’s placed with conventional or highdensity asphalt paving equipment and compacted with rollers. RCC has the same basic ingredients as conventional concrete: cement, water, sand and aggregates ...Details

Compacting a Base for Pavers Bartell Global

CBR45 Recycled Concrete Roadbase: Compactable site fill, private roadways, large carparks, hard stand areas, house/block stabilisation. t/m3: Yes BCC S300 : CBR80 Recycled Concrete Roadbase: Compactable site fill, driveways, small car parks, private roads hard stand areas. t/m3: No : Rock Roadbase: Specified road base material ...Details

20 Spec Section 301 Base, Subbase, and Subgrade Aggregate

Crushed concrete >= 90 percent crushed concrete that is substantially free of steel reinforcement and includes < 10 percent asphaltic pavement or surfacing, base, or a combination of asphaltic pavement, surfacing, and base, incorporated during the removal operation. Reclaimed asphalt >= 75 percent asphaltic pavement or surfacing.Details

Suggested Compaction Standards for Crushed Aggregate ...

density is adequate for each of the various materials making up the flexible pavement structure. It is with a solution to this problem, particularly as it applies to granular base and subbase materials, that this paper deals. There exists a wide variety of methods of laboratory tests for maximum density of soils and soilaggregate materials.Details

Garden Guides | How to Spread Road Base

Sep 21, 2017· Compact the road base with a sheep's foot or a plate compacter. Make 1020 passes over every inch of the road base to assure the compaction density is sufficient. Cover the entire area of the site, then repeat the process on the second lift of road base. Continue leveling and compacting the road base until it is the required depth.Details

Asphalt Concrete Base (ACB) Pavement Interactive

Asphalt concrete base (ACB), also called asphalt treated base (ATB), is a densegraded HMA with a larger nominal maximum aggregate size (1 inch) intended for use as a base course or binder course (see Figure 1). In addition to site paving benefits, ACB can be advantageous because it can provide: A waterproof barrier to prevent fines infiltration into the subgrade and pavement structure.Details


concrete or limerock bases shall be compacted to (98%) minimum density based on AASHTO T180 Modified Proctor Test (LBR 100). Cement and recycled concrete mix designs shall be submitted to the City for approval prior to start of subgrade preparation. delivery tickets shall be provided to the City at the time of placement.Details

Subgrades and Subbases for Slabs| Concrete Construction ...

Nov 22, 2017· Most road base material approved by the local DOT is suitable for the subbase. ... The testing technician will measure the compaction with a nuclear density test and can indicate when the specified density has been achieved. ... He has been the editor in chief of Concrete Construction for 16 years. Bill is a Fellow of the American Concrete ...Details

RollerCompacted Concrete (RCC)

Rollercompacted concrete, or RCC, takes its name from the construction method used to build it. It's placed with conventional or highdensity asphalt paving equipment,then compacted with rollers. Rollercompacted concrete has the same basic ingredient as conventional concrete: cement, water, and aggregates, such as gravel or crushed stone.Details

Compacted Road Base and Subbase Soils Archives | GeoCon ...

All about Compacted Road Base and Subbase Soils. GeoCon Products is Australia’s foremost supplier of civil engineering laboratory and field testing equipment. Call us to arrange a quote: (07) 3265 4952 or email salesDetails

Introduction to roadbase products and testing

determined by the achievement of a specified in situ density within a compacted layer in the field. To obtain this required field density full compaction is applied via various pieces of mobile equipment including but not limited to; a pad foot roller, vibrating smooth drum roller, multityred roller, grader and water cart.Details

Base course Wikipedia

The base course or basecourse in pavements is a layer of material in an asphalt roadway, race track, riding arena, or sporting is located under the surface layer consisting of the wearing course and sometimes an extra binder course.. If there is a subbase course, the base course is constructed directly above this layer.Details

Section 6F1 Pavement Subbase Design and Construction

Mar 06, 2020· density shows a significant change in density and optimum water content with change in gradation in similar aggregate types. Therefore, it is recommended to use relative density values correlated to gradation for compaction control of aggregate materials in the field to avoid inadequate compaction. A relative density of at least 70% is recommended.Details

Method Statement for Placement of Sub Base and Road Base ...

Step 3: Placing of Road Base or Wet Mix Macadam. The material shall be laid using approved machinery and compacted in layers in accordance with specification. Any areas of compacted material having a loose surface deficient in fines due to segregation or otherwise shall be made good by being removed and replaced with properly graded material.Details

Recycled Concrete Road Base Compaction Soil testing ...

Dec 05, 2006· RE: Recycled Concrete Road Base Compaction Ron (Structural) 11 Nov 06 17:02 For materials contain cement, it is important to take the density test immediately after compaction.Details