Carpet type asphalt pavement material and application thereof in suspension bridge pavement

• Main Authors: YANG XIAOQIANG, YANG JUNFENG, WANG LANHUA
• Format: Patent
• Language: Chinese; English
• Published: 27.11.2020
• Subjects: ASSEMBLY OF BRIDGES; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; CONSTRUCTION OF BRIDGES; CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; FIXED CONSTRUCTIONS; METALLURGY; OR VIADUCTS; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP

The invention discloses a carpet type asphalt pavement material which comprises the following raw materials: a PMP2 carpet type modified additive, SBS modified asphalt, an STP2 toughening stabilizer and elastic synthetic filler CPS, wherein the PMP2 carpet type modified additive and the SBS modified asphalt are mixed according to the mass ratio of 20%: 80% to form a polymer mixture, the addition mass of the STP2 toughening stabilizer is 0.5% of that of the polymer mixture, and the addition mass of the elastic synthetic filler CPS is 1%-2% of that of the polymer mixture. The invention also provides an application of the carpet type asphalt pavement material in suspension bridge pavement. The material provided by the invention has relatively high bending capacity, fatigue resistance and hightemperature resistance, and is long in service life. 本发明公开了一种地毯式沥青路面材料，包括以下原料：PMP2地毯式改性添加剂、SBS改性沥青、STP2增韧稳定剂和弹性合成填料CPS，其中，PMP2地毯式改性添加剂与SBS改性沥青以质量比20％：80％混合形成聚合物混合料，STP2增韧稳定剂的添加质量为聚合物混合料的0.5％，弹性合成填料CPS的添加质量为聚合物混合料的1％-2％。本发明还提