Facilities Development Manual Wisconsin Department of ...
Section 5 Subgrade and Base Course FDM 14-5-1 Soils May 15, 2019 Moved from 14-1-1.5 ... MGal with base aggregate dense material. The application rates for water vary ... density-based gradation make it a very stable material with superior load carrying and load distribution properties. However, it is unsuited for use as base surface material ...
Evaluation of Crushed Concrete Base Strength - mdot.ms.gov
the base course must be able to resist deformation due to loading. The role of the unbound layer for flexible pavements is different in that the primary function is to increase structural capacity. Within Mississippi, RCA used as aggregate for crushed stone courses is governed by
MICHIGAN DEPARTMENT OF TRANSPORTATION BUREAU OF ...
P-209, Crushed Aggregate Base Course Page 3 of 5 the materials to meet the specifications and to secure the proper moisture content for compaction. 3.3 Placing. The crushed aggregate base material shall be placed on the moistened subgrade in layers of uniform thickness with a mechanical spreader. The maximum depth of a compacted layer shall
Densities for Use in - Iowa Department of Transportation
Crushed HMA for use as Subbase : 127 pcf — — Base Course . 145 pcf 155 pcf : 150 pcf . Intermediate Course 147 pcf 155 pcf 150 pcf Surface Course 147 pcf 160 pcf 155 pcf . The following densities should be used for estimating quantities of granular material. Table 2: Granular Material Densities . Material English. Granular Subbase . 135 pcf
ITEM P-209 CRUSHED AGGREGATE BASE COURSE
DESCRIPTION. 209.1.1 . This work shall consist of furnishing and placing one or more courses of crushed aggregate base on a prepared subgrade in accordance with these specifications and in conformity with the lines, grades, thicknesses and typical cross sections shown on the plans.
ANALYSIS OF USING RECLAIMED ASPHALT PAVEMENT …
ANALYSIS OF USING RECLAIMED ASPHALT PAVEMENT (RAP) AS A BASE COURSE MATERIAL Robert Locander ... Aggregate base course (Class 6) is one of seven classes of unbound aggregate bases that may be ... Specifications for Road and Bridge Construction(1). Aggregates for bases shall be crushed stone, crushed slag, crushed gravel, natural gravel, or ...
P-208 Aggregate Base Course - michigan.gov
Aggregate Base Course DESCRIPTION 1.1 This item shall consist of a base course composed of a partially crushed and uncrushed coarse aggregate combined with natural fine aggregates (sand) and soil. It shall be constructed on a prepared underlying course in …
base course aggregate compaction - Earthwork/grading ...
· 4. 7% OMC (optimum moisture content) seems a bit on the high side for pavement base courses I have used. It would suggest that you are not using crushed stone aggregate and that your base course material is a bit on the sandy side - or, forbid, the base course has significant fines that might be clayey in nature (high PI). 5.
Aggregate Baserock Primer - graniterock.com
Aggregate Baserock Primer. Aggregate Baserock is a dense graded blend of coarse and fine aggregate which when properly placed and compacted provide a stable and durable base allowing further construction. Aggregate Baserock Should Demonstrate: Stability: Resist deformation when under load (after proper placement and compaction).
02204 - Base Course - Juneau
A. Aggregate base course shall consist of crushed gravel or crushed stone, conforming to the quality requirements of AASHTO M 147. The aggregate shall be free from lumps, balls of clay, or other objectionable matter, and shall be durable and sound. B. Base course material shall conform to one of the following gradations as specified:
SPECIFICATION P–208. AGGREGATE BASE COURSE
P-208 SPECIFICATION P–208. AGGREGATE BASE COURSE DESCRIPTION 208–1.1 This Work consists of a base course composed of hard, durable particles or fragments of crushed coarse aggregate blended with either binder and fine aggregate or filler. Construct it on a prepared underlying course in accordance with these Specifications and in conformance
Item 247 Flexible Base - ftp.dot.state.tx.us
Item 247 Flexible Base 1. DESCRIPTION Construct a foundation course composed of flexible base. 2. MATERIALS ... Crushed stone produced and graded from oversize quarried aggregate that originates from a single, ... Place successive base courses and finish courses using the same construction methods required for the first course.
2018 Standard Specifications Division 4 Bases
Crushed surfacing top course, base course, ballast, and gravel base, when mixed at a central plant, will be measured by the ton. The weight of water added at the plant will be deducted on a daily basis from the total tonnage of aggregates, including water, placed that day which were processed through the central plant and placed on the Roadway.
ITEM 304 AGGREGATE BASE - Pages
Cover the Item 304 Aggregate Base with the next layer of pavement before the end of the construction season. If the aggregate base is not covered up, then assume all liability for the contamination, damage and instability for the base, subgrade and underdrains. Provide drainage and maintain the material according to 203.04.A.
Crushed Aggregate Base Course Density - tembaletu.co.za
"Base course" refers to the subbase layer of an asphalt roadway. crushed aggregate base course CrusherGranite Crusher Successful G1 Crushed Stone Basecourse Construction G1 Crushed Stone for base course is not the same thing as crusherrun, and it is not just a matter of density.
FLEXIBLE BASE 247.1. 247.2. A. Aggregate. Table 1 Material ...
Type A. Crushed stone produced and graded from oversize quarried aggregate that originates ... required density and moisture content. Provide a smooth surface that conforms to the typical sections, lines, ... Place successive base courses and finish courses using the same construction methods required for the first course.
Aggregate base - Wikipedia
Aggregate base is a construction aggregate typically composed of crushed rock capable of passing through a 20 millimetres (3 ⁄ 4 in) rock screen.The component particles will vary in size from 20 mm down to dust. The material can be made of (newly mined) rock, or of recycled asphalt and concrete.
Specifications For CRUSHED AGGREGATE BASE COARSE #2 …
Crushed Aggregate Base Coarse (Compaction Gravel) shall consist of one or more courses or layers of coarse aggregate, either crushed gravel or crushed stone, fine aggregate and binder or filler blended as necessary to produce an intimate mixture of the required gradation and stability.
154 AGGREGATE SUBGRADE THICKNESS DETERMINATION
subgrade characteristics and aggregate thickness, are likely to control performance. Specifically, a crushed limestone CA-6 compacted to 95 percent of the maximum laboratory density was identified as a best practice and can be used at thicknesses less than indicated in the Subgrade Stability Manual. Gravel and recycled asphalt pavement
Standard Specification for Graded Aggregate Material For ...
1.1 This specification covers quality-controlled graded aggregates that, when hauled to and properly spread and compacted on a prepared grade to appropriate density standards, may be expected to provide adequate stability and load support for use as highway or airport bases or subbases.
Category:304 Aggregate Base Course - epg.modot.org
When bituminous pavement cold millings or recycled crushed concrete are substituted for aggregate base, payment will be made for the aggregate base quantity provided in the plans, regardless of whether millings, recycled crushed concrete or the aggregate base is used. 304.2 Material Inspection for Sec 304 304.2.1 Scope
SECTION 02621 AGGREGATE BASE AND SUBBASE …
SECTION 02621 AGGREGATE BASE AND SUBBASE COURSES 02621.01 GENERAL A. Description Aggregate base and subbase courses shall include, but not necessarily be limited to, furnishing and placing one or more courses of aggregate, including additives when required, on a surface prepared in accordance with the Contract Documents. B. Related Work ...
SECTION 301 AGGREGATE SURFACING
301.03.4 Crushed Aggregate Course . When crushed aggregate course is a bid item, construct the aggregate surfacing section to the specified typical cross section and profile grade. Select one of the following two options to construct the aggregate section: 1. Full depth crushed base course. 2.
drawings should be referred to as "graded-crushed aggregate base course (GCA)" wherever a base material with a CBR of 100 is required. "Graded-Crushed Aggregate Base Course" should be retained in the title and the rest of the specification should be edited accordingly to retain the information necessary for this material. c.
Caltrans Specifications for Aggregate Base and Subbase
The California Department of Transportation (Caltrans) provides specifications for the use of recycled aggregate, sometimes referred to as crushed miscellaneous base (CMB), as base (section 26) or subbase (section 25) on road projects.This Department of Resources Recycling and Recovery (CalRecycle) webpage is a selective list of Caltrans specifications for the use of recycled aggregate …
32 11 23 - Aggregate Base Course - Bay Area Rapid Transit
AGGREGATE BASE COURSES RELEASE – R2.1.1 SECTION 32 11 23 BART FACILITIES STANDARDS Issued: 10/01/2010 PAGE 5 OF 5 STANDARD SPECIFICATIONS D. Aggregate base course 6 inches and less in thickness may be spread and compacted in one layer. For thickness greater than 6 inches, the base course aggregate shall be spread and compacted in
SECTION 304 -- AGGREGATE BASE COURSE
3.1.4 Crushed aggregate base course materials shall be produced and placed in their final location with as little segregation as possible. 3.1.5 Excess reclaimed stabilized base material substantially meeting the requirements of 2.7 may be substituted for the crushed aggregate for shoulders in 2.6.
AGGREGATE BASE COURSE DENSITY - NCDOT
AGGREGATE BASE COURSE DENSITY. The most recent Aggregate Base Course (ABC) unit weight test results performed by the NCDOT M&T Soils lab can be queried using this page. Use the drop down boxes to select the company and/or quarry submitting the sample. To see the results of all tests, click on the "Search" button without specifying a company or ...
CW 3110 SUB-GRADE, SUB-BASE AND BASE COURSE …
.4 Leveling course – a non-structural layer of base course material, up to 50mm in depth, placed immediately underlying the pavement wearing surface. .5 Crushed Aggregate – Crushed aggregate from glacial till pits. .6 Crushed Limestone - Crushed limestone from a limestone quarry.
32 11 23 Aggregate Base Course - udfcd.org
aggregate base course. Fill shall be placed within two percent (2%) of optimum moisture content and compacted to a minimum of ninety five percent (95%) of the Maximum Standard Proctor Density (ASTM D698). Deviations in aggregate base course under pavements of more than one …