Asphalt Definitions and Terms

Home Knowledge Base Asphalt Terms Manual Proportioning Control

Latest Posts

TxDOT Letting Report 2024 June

TxDOT Letting Report 2024 May

Mental Health Awareness

Work Zone Awareness

TxDOT Letting Report 2024 April

Manual Proportioning Control

Manual proportioning control is a system that controls proportions of the aggregate and asphalt fractions using manually controlled gates or valves. It may or may not include power assist devices in gate actuation and valve opening and closing.