Tenders Are Invited For Research And Development Services And Related Consultancy Services - Fe 07.0328/2024/Cgb - Optimization Of The Pre- And Main Compression Of Temperature -Defined Asphalt
Tenders Are Invited For Research And Development Services And Related Consultancy Services - Fe 07.0328/2024/Cgb - Optimization Of The Pre- And Main Compression Of Temperature -Defined Asphalt
Research And Development Services And Related Consultancy Services - Fe 07.0328/2024/Cgb - Optimization Of The Pre- And Main Compression Of Temperature -Defined Asphalt. With The New Workplace Limit For Vapors And Aerosols In The Hot Processing Of Bitumen, Low -Temperature Asphalt Will Be Used In Road Construction In The Future. By Using Low -Temperature Asphalt, The Time -End -Resistant Time Reciprocal In The Composition Of The Required Compression Degree Will Also Be Significantly Shortened. This Requires The Use Of High -Compression Planks (Hvb) On Asphalt Road Manufacturers When Installing Asphalt. On The Market There Are Currently Three Different Systems Of High-Compression Planks:-Secondary Compressor Bar Behind The Smoothing Plate With Pressure And Vibration Shaft (Manufacturer A)-Pressing The Press Strip Behind The Smoothing Sheet With High-Frequency Pressure Impulses (Manufacturer B)-Double Stamping In Front Of The Straightener To Better Precipitated Before The Bohle (Manufacturer C) The Research Project Is To Investigate The Effects Of The Use Of These Systems On Relevant Material Properties Of The Asphalt For The Systems Of High -Compression Planks Established On The Market. It Is About Their Effects On Volumetric Parameters (Binding Agent, Cavity And Density Distributions In The Asphalt Layers) As Well As On Performance-Based Material Properties (Temperature-Dependent Stiffness Modules, Fatigue Behavior, Deformation Behavior) As Well As Effects On The Layer Network. In The Investigations, Not Only The Compression By High -Compression Planks Should Be Addressed, But Also Their Effects On The Subsequent Final Compression By Rollers. In Order To Be Able To Meet The Requirements For The Workplace Limit For Bitumen Emissions In Hot Processing From 2027 And At The Same Time Continue To Produce High -Quality, Permanent Asphalt Mountains, Findings Are Urgently Required To Determine The Process -Possible Lowering Of The Temperature Of The Asphalt Mixed Goods To Be Built In The Use Of High -Density Planks. This Research Project Is Intended To Make A Significant Contribution To Promoting The Profitability And Environmental Aspect In The Context Of The Asphalt Road Construction.
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