Specifications sell PRT black Micro-Pavement
1. Micro-Pavement ultrathin overlay
2. Thickness 1.0-2.0cm
3. Low cost in maintenance
sell PRT black Micro-Pavement 1. Micro-Pavement ultrathin overlay
2. Weather: above 0°C, no wet day.
3. Low cost in maintenance Technical Support Micro-Pavement consists of instinctive asphalt binder, special mixture design method and construction process, and Shanghai Roadphalt Asphalt Technology Co., Ltd will provides all in one packet technical service: 1. Helping customers to evaluate existing pavement according to the requirement of Micro-Pavement; 2. Evaluating the aggregates whether suitable for Micro-Pavement; 3. In-situ training for customers; 4. In-situ technical support during construction; 5. Project final report. 1. Gradation The gradation of the Micro-Pavement mixture is as fellow:
Gradation | Percent Passing by weight, % |
9.5 | 4.75 | 2.36 | 0.075 |
OGFC-5 | 100 | 100 | 5-20 | <5 |
2. Quality control “Ashpaltack” quality control is as fellow:
Tests | Specification | Method and Frequency |
Roughness, max. gap, mm | 5 | 3m ruler, 2 points × 10 times each 200m |
Permeability coefficient, ml/min | ≥300 | Permeater, 1 point each 200m |
Friction coefficient | ≥55 | British pendulum apparatus, 1 point each 200m |
Texture depth, mm | ≥0.6 | Sand patch, 1 point each 200m |
Thickness, cm | 0.7-1.5(according to designed thickness) | 1 point each 200m on dual lane |
Width, mm | No less than designed | Ruler, 4 sections each 200m |
Thickness 1.0-2.0cm