1.
Tack Coats
A tack coat is a thin bituminous liquid asphalt, emulsion or cutback layer applied between HMA pavement lifts to promote bonding. ...
2.
Trucks and Buses
The above classes are not the same as used by the FHWA; Gross Vehicle Weight Rating (GVWR): weight specified by manufacturer as the maximum loaded weight ...
3.
Trucks and Buses
WSDOT Category, FHWA Classes, WSDOT Assumed ESALs per Truck. Single Units, 4, 5, 6, 7, 0.40. Double Units, 8, 9, 10, 1.00. Trains, 11, 12, 13, 1.75 ...
4.
Control Charts
Figures 4 and 5 show a control chart for individual measurements. Figure 4 and 7.5: Control Chart for Individual Measurements ...
5.
11.4 Pavement Management - Pavement Management Systems
Originally described as “a systems approach to pavement design”, the term “pavement management system (PMS)” came into popular use in the late 1960s and ...
6.
Cold Weather Paving
Compaction is of special concern during cold weather paving because as ambient temperatures decrease, HMA cool-down rates increase and the time available ...
7.
8.2 QA & Specifications - Quality Assurance (QA)
This concept of quality control includes sampling and testing to monitor the process ... "Acceptance" is a formal procedure used to decide whether work should be accepted, ... Acceptance sampling is generally used when there is some economi
8.
Studded Tire Information
In addition to this friction improvement studded tires also have an unwanted and detrimental side effect: increased pavement wear. ...
9.
WSDOT Aggregate Gradations
9.5 mm (0.375 inch). 50 mm, 2-inch, 100 min. 37.5 mm, 1.5-inch, 90 - 100 ... 12.5 mm, 0.5-inch, 90 max, 90 - 100, 100 min. 9.5 mm, 0.375-inch, 90 max ...
10.
ASTM Terminology
The basic reference for the Unified Soil Classification System is ASTM D 2487. ... Unified Soil Classification (USC) System (from ASTM D 2487) ...
