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ITEM P209 CRUSHED AGGREGATE BASE COURSE

The crushed aggregate base material shall be placed on the approved subgrade in uniform, equaldepth layers, each not exceeding 6 inches of compacted depth The aggregate shall meet gradation and moisture requirements prior to compaction Crushed aggregate base course shall not be placed on frozen material result to the existing subgrade or base course in place General: 1 Gradations and amounts to be used shall be set by an authorized person(s) of the Town as deemed necessary per job 2 Crushed aggregate base coarse (Compaction Gravel) shall be purchased per standard ton with a standard ton to weight 2,000 pounds for the purpose of this contractSpecifications For CRUSHED AGGREGATE BASE COARSE The work will consist of crushing and stockpiling or crushing and delivery of crushed aggregate base course material conforming to the specifications for Base Aggregate in the latest edition of “Wisconsin DOT Standard Specifications for Road Bridge Construction” and any attached supplemental specificationMARATHON COUNTY CRUSHED AGGREGATE BASE COURSE

Item 00231 Cements Stabilized Crushed Aggregate Base

outlined in Item 2305, of "Crushed Aggregate Base Course" 2316 Measurement "Cement Stabilized Crushed Aggregate Base", will be measured by the square yard of material, furnished and compacted in place and to the thickness specified, or as shown on the plans TNZ M/4: 2006 SP/SM4: SPECIFICATION FOR BASECOURSE AGGREGATE Page 3 of 15 (a) compacted in accordance with NZS 4402 : 1986, Test 413 New Zealand Vibrating Hammer Compaction Test at Optimum Water Content and; (b) tested in accordance with NZS 4407 : 1991, Test 315 The California Bearing Ratio Test (without a surcharge for at least 4 days)Specification for basecourse aggregate TNZ M/4 G1 Crushed Stone for base course is not the same thing as crusherrun, and it is not just a aggregate matrix that approaches the condition of the intact parent rock – so called a “solid density” This state of interlock is manifested visually on the surface of the layer corrections to the crushing plant manager timely before Successful G1 Crushed Stone Basecourse Construction

AGGREGATE BASE AND SURFACE COURSE ITEMS

The asphalt aggregate base course shall be maintained in a satisfactory aggregate shall be produced by crushing stone and gravel that meet the coarse aggregate requirements for wear and soundness Aggregate base material requirements are listed in Table 2091 TABLE 2091 P208 SPECIFICATION P–208 AGGREGATE BASE COURSE DESCRIPTION 208–11 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 conformanceSPECIFICATION P–208 AGGREGATE BASE COURSE The aggregate crushing value gives a relative measure of the resistance of an aggregate to crushing under a gradually applied compressive load Crushing value is a 1 Water bound macadam, subbase course 50 2 Cement concrete, base course 45 3 i) WBM base coarse with bitumen surfacingDETERMINATION OF AGGREGATE CRUSHING VALUE

RECYCLED CRUSHED CONCRETE BASE COURSE PART 1 G

RECYCLED CRUSHED CONCRETE BASE COURSE PART 1 G E N E R A L 101 SECTION INCLUDES A Recycled crushed concrete base (RCCB) course 102 MEASUREMENT AND PAYMENT A Unit Prices 1 Payment for RCCB is on per ton basis furnished and compacted in place 2 Payment for RCCB for transitions and base repairs, if required, is on a per ton basis 3outlined in Item 2305, of "Crushed Aggregate Base Course" 2316 Measurement "Cement Stabilized Crushed Aggregate Base", will be measured by the square yard of material, furnished and compacted in place and to the thickness specified, or as shown on the plansItem 00231 Cements Stabilized Crushed Aggregate Base G1 Crushed Stone for base course is not the same thing as crusherrun, and it is not just a aggregate matrix that approaches the condition of the intact parent rock – so called a “solid density” This state of interlock is manifested visually on the surface of the layer corrections to the crushing plant manager timely before Successful G1 Crushed Stone Basecourse Construction

August 2015 No 900 SPECIFICATIONS FOR AGGREGATE

The aggregate shall be wellgraded and shall not vary from maximum to minimum of the specification ranges for consecutive tests For Class "A" gravel base course, the field tests taken during any crushing shift shall yield an average of 65% or lower passing the 475mm sievehma base crushing, modified and aggregate base course 35 miles board of county road commissioners of the county of berrien 2860 east napier avenue benton harbor, mi 49022 12699251196 or 18004420734 1BERRIEN COUNTY ROAD COMMISSION PROPOSAL AND Division 6: Aggregate Base And Subbase Course 601 SCOPE: Aggregate Base and Subbase Course shall consist of natural or artificial m ixtures of natural or crushed gravel, crushed stone or slag 602 MATERIALS: Aggregate Base and Subbase Course will be designated as Type I and shall consist of crushed stone, crushed slag or crushed gravel, with or without soil mortar or other adm ixturesDivision 6: Aggregate Base And Subbase Course

3138 Aggregate for Surface and Base Courses 31381

All aggregate sources (pits and quarries) from which surface and/or base course aggregates are produced shall be stripped to uncover suitable materials for use In quarries, all weathered rock will be removed prior to production of the face The mixture 411 Aggregate sources classification 4111 Natural aggregates • Natural aggregates consists of rock fragments that are used in their natural state, or are used after mechanical processing such as crushing, washing, and sizing • Some natural aggregate deposits, called pit run gravel, consist of gravel and sand that can be readilyLecture 4 Aggregates Aalto Inspection of Aggregate Production In the production of subbase and base course aggregates, if for any reason it is deemed advisable to depart from the requirements of the Standard Specifications or Special Provisions, a supplemental agreement shall be submitted303 AGGREGATE SUBBASE AND AGGREGATE BASE

Aggregate AfriSam

The tests for Aggregate Crushing Value (ACV) and FACT (10% Fines Aggregate Crushing Test) measure the crushing strength of broken rock These results do not necessarily relate to the ﬂexural or compressive strength of concrete made with that aggregate, but are a useful index of overall quality Normal values for ACV range from 14 to 30%, and forCHAPTER 22 PAVEMENT MATERIALS: AGGREGATES NPTEL May 3, 2007 Chapter 22 Pavement materials: Aggregates 221 Overview Aggregate is a collective term for the mineral materials such as sand, gravel, and crushed stone that are used with a binding medium (such as water, bitumen, Portland cement, lime, etc) to form compound materials (such as bituminous concrete and Portland cement (PDF) Pavement materials: Aggregates 221 Overview G1 Crushed Stone for base course is not the same thing as crusherrun, and it is not just a aggregate matrix that approaches the condition of the intact parent rock – so called a “solid density” This state of interlock is manifested visually on the surface of the layer corrections to the crushing plant manager timely before Successful G1 Crushed Stone Basecourse Construction

BERRIEN COUNTY ROAD COMMISSION PROPOSAL AND

hma base crushing, modified and aggregate base course 35 miles board of county road commissioners of the county of berrien 2860 east napier avenue benton harbor, mi 49022 12699251196 or 18004420734 1 Secondary aggregate base courses Anticipated revisions to specifications Preferred Aggregate Base Courses Aggregate Description Tables 1 and 2, which begin on page 5, compare the material characteristics of MnDOT’s lass 5 aggregate and the preferred base course aggregate from eight of the nine responding statesPreferred Aggregate Base Courses for LowVolume Roads All aggregate sources (pits and quarries) from which surface and/or base course aggregates are produced shall be stripped to uncover suitable materials for use In quarries, all weathered rock will be removed prior to production of the face The mixture 3138 Aggregate for Surface and Base Courses 31381

303 AGGREGATE SUBBASE AND AGGREGATE BASE

Inspection of Aggregate Production In the production of subbase and base course aggregates, if for any reason it is deemed advisable to depart from the requirements of the Standard Specifications or Special Provisions, a supplemental agreement shall be submitted The tests for Aggregate Crushing Value (ACV) and FACT (10% Fines Aggregate Crushing Test) measure the crushing strength of broken rock These results do not necessarily relate to the ﬂexural or compressive strength of concrete made with that aggregate, but are a useful index of overall quality Normal values for ACV range from 14 to 30%, and forAggregate AfriSamCHAPTER 22 PAVEMENT MATERIALS: AGGREGATES NPTEL May 3, 2007 Chapter 22 Pavement materials: Aggregates 221 Overview Aggregate is a collective term for the mineral materials such as sand, gravel, and crushed stone that are used with a binding medium (such as water, bitumen, Portland cement, lime, etc) to form compound materials (such as bituminous concrete and Portland cement (PDF) Pavement materials: Aggregates 221 Overview

Sieve Analysis of Fine and Coarse Aggregates

NDT R 27 2011 Page 1 of 5 NEBRASKA DEPARTMENT OF TRANSPORTATION NDT STANDARD METHOD T 27 Sieve Analysis of Fine and Coarse Aggregates NDT T 27 is identical to AASHTO T 2799 except for the following provisions: Replace Sections 73, 74, and75 of AASHTO T 2799 with the following: base, or subbase courses if the pavement is properly designed Cold mix surface courses are suitable for light and medium traffic; however, they normally require a seal coat or hot Asphalt Concrete overlay as surface protection When used in the base or subbase, they may be suitable for all types of traffic Bituminous Treated Aggregate BaseChapter 2 Asphalt and Asphalt Paving Materials aggregate base, should get similar layer thickness –Typical minimum thickness = 4 inches (constructability, stability) –Typical maximum thickness = 6 inches for PCC pavement •Greater thickness for frost protection, if necessary –Blend with virgin aggregate if designed base requirements exceed volume of recoverable RCA baseUse of Recycled Concrete Materials in Base/Subbase

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