Canvas Cal Trans Asphalt Concrete Plant Inspection ...
Nov 18, 2013· The purpose of the Cal Trans Asphalt Concrete Plant Inspection: Stockpiles mobile app is to act as a guide.
10121 AGGREGATE FOR ASPHALT PLANT MIXES NCDOT
Sources of aggregate 3 will not be approved unless the material has a percentage of wear of not greater than 65%. 8 (A) General 9 Design the asphalt plant mix with coarse and fine aggregate that meet Section 1005, 10 except as noted herein.
Using a Moisture Measurement System at Your Asphalt Plant
The eventual quality of the roads we drive on start with consistency and quality at the asphalt plant. Excessive moisture in the aggregates can lead to serious issues with the mix.
ASPHALT CONCRETE PLANT CERTIFICATON REPORT
ASPHALT CONCRETE PLANT CERTIFICATON REPORT GENERAL INFORMATION ... Stockpile Building Method: ... Heated aggregates or asphalt mixture – for drum plants the thermometer will be located at the mix discharge from the drum or other approved location.
This practice may involve hazardous materials ...
Standard procedure to verify that plant produced hot mix asphalt will meet mix design requirements. ... design requirements. Prior to the beginning of production, aggregate stockpile samples shall be taken ... Determine the asphalt content and combined aggregate gradation of the HMA samples in
HMA PLANT MONITOR CHECKLIST Iowa Department of ...
3 Asphalt binder has correct antistrip additive and dosage, if required 4 QMA Technician performing moisture tests on RAM products: 5 QMA Technician providing daily dry RAM totalizer quantities 6 Plant scales, gate settings checked/monitored: 7 Aggregate Stockpiles free .
Production and Construction Issues for Moisture ...
remaining in the aggregate after the asphalt binder has coated the aggregate can lead to detachment of the binder film during service life. Stockpile Handling It is well known that the quality control of the HMA product, regardless of plant type, begins with the aggregate stockpiles. This also includes recycled asphalt pavement stockpiles. The goal
Asphalt plant Wikipedia
The asphalt plant is mainly composed of cold aggregate supply system, drum dryer, coal burner, coal feeder, dust collector, hot aggregate elevator, vibrating screen, filler supply system, weighing and mixing system, asphalt storage, bitumen supply system. All these components have characteristics that impact not only the overall quality of the asphalt but also the effect on the environment.
HotMix Asphalt Plant Operations
SECTION 5 Types of Asphalt Plants: Overview 45 FIGURE 54 Typical HMA parallelflow drummix plant. the burner or on a Slinger conveyor under the burner. The aggregate is moved down the drum by a combina tion of gravity and the configuration of the flights located inside the drum. As it travels, the aggregate is heated and the moisture removed.
ATT17/96, PLANT CALIBRATION Part I, Drum Mix Asphalt ...
Data Sheets: Drum Plant Aggregate Calibration, MAT 638 Drum Plant Asphalt Calibration, MAT 639 PROCEDURE General Drum Mix Plants The drum mix system consists of a proportionally controlled cold feed system, which feeds onto an inclined conveyor that uses a belt scale to determine the weight of the aggregate (in tonnes per hour) being fed to the drum mixer. The asphalt
Bettis Asphalt Construction, Inc. – Topeka, KS
HIR milling corrects ruts and cracks in the top 2" of existing pavement. Repairing damage caused from traffic, weather and oxidation without the need for hot mix plants or aggregate stockpiles.
Chapter 3 Bituminous Patching Materials PennDOT Home
SECTION 484 BITUMINOUS STOCKPILE PATCHING MATERIAL DESCRIPTION The material shall consist of plant mixed stockpile patching bituminous mixture composed of mineral aggregate coated with bituminous material. The material shall be capable of being stocked for at least six months without stripping and shall be workable at all times.
Asphalt Plant Inspection
Stockpile Date for Mix Design From: ... (1)D 1 (1) Synchronized and interlocked asphalt and aggregate feed a. All plants: (1)A 9 (1) Thermometer near discharge valve (1)A 9 (2) Thermometer checked for accuracy 6. Asphalt Proportioning ... Asphalt Plant Inspection
QPR Material Specification
coarse aggregate shall be from the plant site and laboratory tested. Sampling and testing methods ... When producing in an asphalt plant with heat, the finished QPR ... The stockpile area should be a hard clean surface, preferably paved with concrete, or a bituminous surface and have proper retention.
Asphalt and the production process.
Step 1: Aggregate Recycled Asphalt Pavement (RAP), crushed stone, gravel, and sand – stored in stockpiles Step 2: Cold Feed Bins Accurately measures out the aggregate onto a conveyer belt. Step 3 : Drying Drum Dries and heats aggregate before mixing with asphalt cement. Step 4 : Emission Control System Bag House Collectors filter fine sand and dust
Construction of Quality Hot Mix Asphalt Pavements 1 .
Construction of Quality Hot Mix Asphalt Pavements 1 Day Course PLANTS PRODUCTION Bob Horan, Senior Regional Engineer Mechanicsville, Virginia ... Basic Plant Functions Horizontally Stockpiled Aggregate Stockpile Contamination Avoid Contaminated Material ... • Poor asphalt aggregate .
Construction and Materials Manual
Regardless of type, all asphalt mixing plants have certain basic functions and components that perform those functions: Storage in aggregate stockpiles, the asphalt storage tank, and the burner fuel storage tank. Proportioning and feeding by the aggregate cold bins and cold feeds, and by the asphalt pump, meter, and pipeline.
SECTION 401 ¾ ASPHALT PLANT REQUIREMENTS
SECTION 401 ¾ ASPHALT PLANT REQUIREMENTS DESCRIPTION. Provide and maintain a plant and all equipment necessary to produce and test asphalt mixtures. ... Provide adequate provisions for sampling aggregates from the stockpiles or the direct feed from the aggregate production. C) Equipment for Handling Asphalt Binders.
Stockpile Analysis Aggregates Manager Magazine Crushed ...
Stockpile Analysis. Instead of collecting 10 to 20 shots on a typical 20,000cubicyard stockpile using a total station measurement system, with laser scanning on the order of 100,000, 3D points are typically collected for that same pile. The spacing of the laser scanned points on the pile surface is typically on the order of 3 to 6 inches.