specifiion for crushed aggregate surface course

MINING

ASTM D1241 - 15 Standard Specification for Materials for Soil .

1.1 This specification covers the quality and grading of the following materials for use in the construction of subbase base and surface courses: sand-clay mixtures; gravel; stone or slag screenings; sand; crusher-run coarse aggregate consisting of gravel crushed stone or slag combined with soil mortar; or any combination of these materials.

AGGREGATE BASE AND SURFACE COURSE ITEMS

This item consists of a recycled asphalt aggregate base course resulting from the inplace full - depth reclamation (FDR) of the existing pavement section (asphalt wearing surface and aggregate base) plus mechanical stabilization with additional aggregate or chemical stabilization with Portland cement or asphalt emulsion when shown on the plans.

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.

PART IV -- SURFACE COURSES

Aggregate Surface Course 401.01 DESCRIPTION. This work consists of furnishing and constructing aggregate surface courses for shoulders drives or other facilities in accordance with these specifications and in conformity with the lines grades thicknesses and typical sections shown on the plans or established. 401.02 MATERIALS.

Section 310 Graded Aggregate Construction

Section 310—Graded Aggregate Construction 310.1 General Description This work includes constructing a base subbase or shoulder course composed of mineral aggregates. Construct according to these Specifications and to the lines grades thickness and typical cross-sections shown on the Plans or established by the Engineer.

ITEM P-208 AGGREGATE SURFACE COURSE

208-2.2 CRUSHED AGGREGATE SURFACE COURSE. The aggregates shall consist of both fine and coarse fragments of crushed stone or crushed gravel mixed or blended with sand screenings or other similar approved materials. The material shall consist of hard durable particles or fragments of stone and

Standard Specification for Materials for Soil-Aggregate .

1.1 This specification covers the quality and grading of the following materials for use in the construction of subbase base and surface courses: sand-clay mixtures; gravel; stone or slag screenings; sand; crusher-run coarse aggregate consisting of gravel crushed stone or slag combined with soil mortar; or any combination of these materials.

SPECIFICATION P–208. AGGREGATE BASE COURSE

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

SECTION 903-AGGREGATES - Memphis

903.05-Aggregate for Mineral Aggregate Base and Surface Courses. Aggregates for Mineral Aggregate Base and Surface Courses shall be crushed stone crushed slag crushed or uncrushed gravel or crushed or uncrushed chert together with such material as manufactured sand or other fine materials naturally contained or added thereto as needed to

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.

Item 00231 - Cements Stabilized Crushed Aggregate Base Course

TECHNICAL SPECIFICATION ITEM 00231 CEMENT STABILIZED CRUSHED AGGREGATE BASE COURSE 231.1 Description. This item shall consist of a foundation for surface course or for other base courses and shall be composed of a mixture of crushed aggregate Portland cement and water and

Specifications For CRUSHED AGGREGATE BASE COARSE #2 & #3 .

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. Requirements: The aggregate shall consist of hard durable .

Section III: Surface Gravel

state specifications may show a Class I Surface Aggregate designation for surface gravel.You may want a higher minimum requirement for plasticity or perhaps a smaller top size on the rock. State clearly in your specification that you want a Modified Class I Surface Aggregate and then clearly indicate what your modifications are.

Recycled Materials Specifications

Aggregates. Specification 902: Fine Aggregate - Local materials - Any materials meeting requirements for size hardness and durability. Screenings from reclaimed Portland Cement Concrete pavement. Specification 334: Crushed Glass (not in surface course) Specification 901: Coarse Aggregate - Reclaimed Portland Cement Concrete.

4 Aggregate Specifications and Requirements

These aggregates are specified for use under some conditions to obtain high-friction skid-resistant HMA surface courses. ITM 205 is used to veify that the aggregate is carbonate rock containing at least 10.3 percent elemental magnesium. Polish Resistant Aggregates Aggregates that meet the requirements of ITM 214 may be used in place of

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specifiion for crushed aggregate surface course