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
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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
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base material and a limited study of paved shoulders. SPECIAL BASE EXPERIMENT In the special base study, four different types of base course were included: crushed stone, a well-graded uncrushed gravel, a cement-treated material, and a bituminous-treated material. The crushed stone was the same material as
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6.01 SCOPE: Aggregate Base and Subbase Course shall consist of natural or artificial m ixtures of natural or crushed gravel, crushed stone or slag. 6.02 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 ixtures
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SPECIFICATION P–208. AGGREGATE BASE COURSE. 2015-2-16 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.
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a. Base Course Aggregate shall be crushed rock or broken stone or a mixture of these materials composed of clean, hard, durable, and uncoated particles. b. (1) Crushed rock shall be crushed limestone, dolomite, granite, quartzite, or other ledge rock approved for the intended purpose by the NDR Materials and Tests Engineer.
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Our plants perform aggregate reduction and washing operations, employing state-of-the-art machinery to produce the highest quality materials for our customers. Typical products we provide include ready mixed concrete aggregate, bedding materials for underground utilities, crushed aggregate base rock and more.
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6.01 SCOPE: Aggregate Base and Subbase Course shall consist of natural or artificial m ixtures of natural or crushed gravel, crushed stone or slag. 6.02 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 ixtures
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a. Base Course Aggregate shall be crushed rock or broken stone or a mixture of these materials composed of clean, hard, durable, and uncoated particles. b. (1) Crushed rock shall be crushed limestone, dolomite, granite, quartzite, or other ledge rock approved for the intended purpose by the NDR Materials and Tests Engineer.
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BASE COURSE THICKNESS CORRECTION 1-3/4 to 2 2-1/4 to 2-1/2 1-1/2 230.6 Measurement. Crushed Aggregate Base shall be measured by the square yard of material, furnished and compacted in place and to the thickness specified, or as shown on the plans. 230.7 Payment. Payment for Crushed Aggregate Base, complete and in-place, shall be at the contract
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A. Aggregates for use in base course construction shall be either crushed stone or crushed gravel. The fine aggregate shall consist of screenings obtained from crushed stone, gravel or sand. Aggregate shall be washed if necessary to remove excessive quantities of clay, silty clay or salts. B. Crushed stone shall consist of hard, durable
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with high quality crushed aggregate materials. The objective of this study was to evaluate rutting potentials of aggregate materials used in pavement base course in North Carolina and develop and calibrate rutting damage models primarily based
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a. Base Course Aggregate shall be crushed rock or broken stone or a mixture of these materials composed of clean, hard, durable, and uncoated particles. b. (1) Crushed rock shall be crushed limestone, dolomite, granite, quartzite, or other ledge rock approved for the intended purpose by the NDR Materials and Tests Engineer.
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Base Coarse. Dense-graded base course refers to crushed stone aggregates with a range of particle sizes, usually 1-1/2-inch and smaller, that produce a dense layer of stone with a minimum amount of voids. Common uses for base coarse crushed stone • Foundation for asphalt pavement • Foundation for concrete pads and pavements
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Aggregate Base Course . Aggregate Base Course often referred simply as ABC, has certain desirable properties. Base Course in pavements refers to the sub-layer material of an asphalt roadway and is placed directly on top of the undisturbed soil (Sub-Grade) so as to provide a foundation to support the top layers of the pavement.
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P 208 Aggregate Base Course. When aggregate base material is produced entirely by crushing rock boulders cobbles slag or concrete loss by washing must not exceed 10 percent significant to the nearest whole percent For aggregates produced from sources in Berrien County the loss by washing must not exceed 8 percent and the sum of loss by washing
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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
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outlined in Item 230.5, of "Crushed Aggregate Base Course". 231.6 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.
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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
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A. The aggregate base course shall be constructed to the width and section sho wn in the DRAWINGS. If the required compacted depth of base course exceeds six (6) inches, the base shall be constructed in two (2) or more layers of approximate equal thickness. The maximum compacted thickness of any one (1) layer shall not exceed six (6) inches. B.
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Base Coarse. Dense-graded base course refers to crushed stone aggregates with a range of particle sizes, usually 1-1/2-inch and smaller, that produce a dense layer of stone with a minimum amount of voids. Common uses for base coarse crushed stone • Foundation for asphalt pavement • Foundation for concrete pads and pavements
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P 208 Aggregate Base Course. When aggregate base material is produced entirely by crushing rock boulders cobbles slag or concrete loss by washing must not exceed 10 percent significant to the nearest whole percent For aggregates produced from sources in Berrien County the loss by washing must not exceed 8 percent and the sum of loss by washing
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Crushed and processed aggregate are typically a cost effective means of carrying loads and reducing the thickness of the asphalt layer in paved roads—but, for some projects (such as in Montana), obtaining materials that meet the current specifications for crushed base course is becoming uneconomical due to declining resources.
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ITEM P-209 CRUSHED AGGREGATE BASE COURSE. DESCRIPTION. 209-1.1 This item consists of a base course composed of crushed aggregates constructed on a prepared course in accordance with these specifications and in conformity to the dimensions and typical cross sections shown on the plans.
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a. Base Course Aggregate shall be crushed rock or broken stone or a mixture of these materials composed of clean, hard, durable, and uncoated particles. b. (1) Crushed rock shall be crushed limestone, dolomite, granite, quartzite, or other ledge rock approved for the intended purpose by the NDR Materials and Tests Engineer.
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with high quality crushed aggregate materials. The objective of this study was to evaluate rutting potentials of aggregate materials used in pavement base course in North Carolina and develop and calibrate rutting damage models primarily based
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Crushed Concrete Aggregate. Typically, aggregate base course is made of naturally occurring materials such as gravel, sand, quarry rocks, boulders, cobbles or large gravel. These materials are ground to produce crushed aggregate, which is then mixed to make concrete. However, the supply of these naturally occurring elements is limited, and so
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301.2.4.5 Aggregate Base Physical Properties (1) Furnish aggregates conforming to the following: TABLE 301-2 AGGREGATE BASE PHYSICAL PROPERTIES PROPERTY CRUSHED STONE CRUSHED GRAVEL CRUSHED CONCRETE RECLAIMED ASPHALT REPROCESSED MATERIAL BLENDED MATERIAL Gradation AASHTO T27
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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
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209-5.1 Payment shall be made at the contract unit price per square yard for crushed aggregate base course. This price shall be full compensation for furnishing all materials, for preparing and placing these materials, and for all labor, equipment tools, and incidentals necessary to complete the item.
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