VERIFYING THE ACCURACY OF HOT MIX PLANT ASPHALT Related Information

HMA PRODUCTION MANUAL - Michigan

Section 2: Certification Procedures of Hot Mix Asphalt Plants This section provides the requirements for certifying HMA Plants. The certification procedures are administered by the Lansing Construction Field Services Support Area, with direct support from the Region Traveling Mix Inspector. The requirements of these procedures do not replace

Inspection Checklist - Asphalt Pavement Inspection Procedures

a. Check and retain a copy of the delivery tag to ensure the mix delivered meets the approved submittal requirements. b. Determine if the asphalt has been mixed properly, by visually looking at the mix in the truck, if the largest aggregate is fully covered it is a good mix. Look for an reject the load if the following problems are observed

Asphalt Quality Assurance Program

Verification Sampling and Testing (VST) • Validate the quality of the product •Performed by VDOT • VST should determine if the material is acceptable per specification. • VDOT uses split samples plus a statistical process of examining Contractor QC test data to verify the accuracy of sampling and testing used in the acceptance decision.

Evaluation system for CO2 emission of hot asphalt mixture

Apr 01, 2015 · Generally, traditional hot mix asphalt is used in pavement construction, which emits large quantities of CO2, CH 4, and N 2 O ( Deng and Cheng, 2002, Wang et al., 2003, Yan, 2011 ). This material is part of the high-carbon emission model, and is considered as an element of the carbon emissions disaster area of the highway industry, which is

SECTION 401 ASPHALT MIXING PLANT REQUIREMENTS

Except for drum-mix plants, provide the plant with a hot-bin storage of a cells for checking the accuracy of the metering system. Use asphalt binder scales that conform to Subsection 401.02.02 B). When metering the quantity of asphalt binder, check the delivery of the

11.1 Hot Mix Asphalt Plants - US EPA

11.1 Hot Mix Asphalt Plants 11.1.1 General1-3,23, 392-394 Hot mix asphalt (HMA) paving materials are a mixture of size-graded, high quality aggregate (which can include reclaimed asphalt pavement [RAP]), and liquid asphalt cement, which is heated and mixed in measured quantities to produce HMA. Aggregate and RAP (if used) constitute over 92 percent

DENSITY OF ASPHALT CONCRETE - HOW MUCH IS NEEDED?

The density produced during the mix design should not be used as the reference density since the laboratory properties will be somewhat different from test results on plant produced materials.Sometimes aggregates break down during mix production,creating an increase in dust,thus altering the properties of the compacted asphalt mixture.

Hot-Mix Asphalt Plant Operations

Hot Mix vs Cold Mix Asphalt - Advantages and Disadvantages

PART V -- ASPHALTIC PAVEMENTS

501.02.2 Asphalt Cement: Use asphalt cement grades as specified in Table 501-1. If the asphalt cement does not comply with the requirements of Section 1002, notify the project engineer and cease mix production until proper asphalt material is supplied. Allow grade substitution as specified in Section 502.

1.01 SCOPE AND OBJECTIVES OF THE QUALITY ASSURANCE …

records, verification of test procedures, calibration of testing apparatus and participation Certification of Hot Mix Asphalt (HMA) Plants; HMA QC/QA Procedures for Field Testing; HMA Lab and Technician Qualification Program. B. Reports are reviewed for accuracy and completeness and are distributed to the field personnel.

EFFECTS OF RE-HEATING AND COMPACTION TEMPERATURE …

HOT MIX ASPHALT VOLUMETRICS Michael H. Huner and E.R. Brown INTRODUCTION In the hot mix asphalt (HMA) construction industry, the need for accurate, consistent volumetric measurements has recently become more important. Since more states are relying on volumetric properties to both design the mixture and then to evaluate the final product during the

SECTION 401 - HOT MIX ASPHALT PAVEMENT

Dec 18, 2017 · 401.07 Hot Mix Asphalt Plant . 401.071 General Requirements HMA plants shall conform to AASHTO M156-97. a. Truck Scales When the hot mix asphalt is to be weighed on scales meeting the requirements of Section 108 - Payment, the scales shall be inspected and sealed by the State Sealer as often as the Department deems necessary to verify their

Potential To Emit Calculator for Hot Mix Asphalt Plants

Quality Control Manual for Hot Mix Asphalt Using

COMPARISON OF 1992 COLORADO HOT MIX ASPHALT WITH …

Sixteen hot mix asphalt designs placed during 1992 in Colorado were tested with the standard CDOT test methods, the French rutting tester, the Hamburg wheel-tracking device, and the Georgia loaded-wheel tester. Hot mix asphalt was designed with the Texas gyratory compactor. These mixtures are very resistant to rutting.

FIELD SAMPLING AND TESTING MANUAL TESTING …

NDDOT 5 Sampling and Splitting Field Verification Hot Mix Asphalt (HMA) Samples . the accuracy to the same significant digit as the specification for the class of aggregate. Consult the current edition of AASHTO for procedure in its entirety and the equipment specification details.

Stiffness of Hot-Mix Asphalt - Purdue University

Stiffness of Hot-Mix Asphalt Introduction This research was initiated from a need to evaluate marginal mixtures that do not meet the Superpave mix design criteria for the air voids content requirements for the construction of hot mix asphalt (HMA) pavements. The asphalt mixture verification at the asphalt plant is conducted by compacting plant-

Mixing Plants for Hot-Mix Asphalt

Mixing Plants for Hot-Mix Asphalt SCDOT Designation: SC-M-401 (06/07) 1. SCOPE 1.1 This specification covers requirements for plants suitable for producing hot-mix asphalt (HMA). 2. REFERENCED DOCUMENTS 2.1 SCDOT Standard Specifications 2.1.1 Division 300, Division 400 2.2 AASHTO Standards 2.2.1 T27, T195 2.3 SCDOT Test Methods

Asphalt Quality Assurance Program

Verification Sampling and Testing (VST) • Validate the quality of the product •Performed by VDOT • VST should determine if the material is acceptable per specification. • VDOT uses split samples plus a statistical process of examining Contractor QC test data to verify the accuracy of sampling and testing used in the acceptance decision.

Revised Liming INDIANA DEPARTMENT OF …

CERTIFIED HOT MIX ASPHALT PRODUCER PROGRAM ITM NO. 582-01P 1.0 SCOPE. 1.1 This procedure covers the requirements for a HMA plant to become a Certified Hot Mix Asphalt Producer. 1.2 The values stated in either English or acceptable SI metric units are to be regarded separately as standard, as appropriate for a specification with which this ITM

TABLE OF CONTENTS

CP 17 Hot Mix Asphalt Test Results Verification and Dispute Resolution . CP 20s Colorado Procedures 20s - Soils. CP 20 Dry Preparation of Disturbed Soil Samples for Test . CP 21 Mechanical Analysis of Soils . CP 23 Determining Maximum Dry Density and Optimum Moisture Content of Soil -