Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Novel preventive maintenance type asphalt pavement structure for highway engineering
The invention provides a novel highway engineering preventive maintenance type asphalt pavement structure, and relates to the technical field of highway engineering, the novel highway engineering preventive maintenance type asphalt pavement structure comprises a roadbed, the top of the roadbed is provided with a gravel layer; a semi-rigid base layer is arranged at the top of the gravel layer; a flexible waterproof layer is arranged at the top of the semi-rigid base layer; and an asphalt surface layer is arranged at the top of the flexible waterproof layer. The grouting holes are uniformly distributed, and the polymer slurry columns are poured into the grouting holes, so that shrinkage of the semi-rigid base layer caused by vehicle load or rainwater infiltration can be avoided, and netted cracks and subsidence of the asphalt surface layer are prevented; meanwhile, rainwater is collected into the water collecting channel through the water guiding grooves, rainwater is prevented from invading the asphalt surface layer and the bottom base layer structure, the surface layer of the asphalt surface layer is prevented from loosening and falling off, and the problems that a semi-rigid base layer shrinks when a vehicle loads or rainwater permeates, the asphalt surface layer is prone to net-shaped cracks and subsidence, and the service life is prolonged are solved. Meanwhile, rainwater deposited on the surface of the asphalt surface layer cannot be quickly cleaned, so that the surface of the asphalt surface layer is loosened and falls off.
本发明提供了一种新型公路工程预防养护型沥青路面结构，涉及公路工程技术领域，包括：路基，所述路基顶部设有碎石层；所述碎石层顶部设有半刚性基层；所述半刚性基层顶部设有柔性防水层；所述柔性防水层顶部设有沥青面层。本发明中注浆孔均匀分布，注浆孔内灌注有聚合浆柱，能够避免半刚性基层在车辆荷载或雨水渗入引起的收缩，防止沥青面层发生网状裂缝和沉陷；同时雨水通过导水槽汇集到集水道内，避免雨水侵入沥青面层和底部基层结构，防止沥青面层表皮发生松散脱落，解决了半刚性基层在车辆荷载或雨水渗入时引起收缩，致使沥青面层容易发生网状裂缝和沉陷，同时沥青面层表面沉积雨水无法快速清理，使得沥青面层表皮发生松散脱落的问题。
Novel preventive maintenance type asphalt pavement structure for highway engineering
The invention provides a novel highway engineering preventive maintenance type asphalt pavement structure, and relates to the technical field of highway engineering, the novel highway engineering preventive maintenance type asphalt pavement structure comprises a roadbed, the top of the roadbed is provided with a gravel layer; a semi-rigid base layer is arranged at the top of the gravel layer; a flexible waterproof layer is arranged at the top of the semi-rigid base layer; and an asphalt surface layer is arranged at the top of the flexible waterproof layer. The grouting holes are uniformly distributed, and the polymer slurry columns are poured into the grouting holes, so that shrinkage of the semi-rigid base layer caused by vehicle load or rainwater infiltration can be avoided, and netted cracks and subsidence of the asphalt surface layer are prevented; meanwhile, rainwater is collected into the water collecting channel through the water guiding grooves, rainwater is prevented from invading the asphalt surface layer and the bottom base layer structure, the surface layer of the asphalt surface layer is prevented from loosening and falling off, and the problems that a semi-rigid base layer shrinks when a vehicle loads or rainwater permeates, the asphalt surface layer is prone to net-shaped cracks and subsidence, and the service life is prolonged are solved. Meanwhile, rainwater deposited on the surface of the asphalt surface layer cannot be quickly cleaned, so that the surface of the asphalt surface layer is loosened and falls off.
本发明提供了一种新型公路工程预防养护型沥青路面结构，涉及公路工程技术领域，包括：路基，所述路基顶部设有碎石层；所述碎石层顶部设有半刚性基层；所述半刚性基层顶部设有柔性防水层；所述柔性防水层顶部设有沥青面层。本发明中注浆孔均匀分布，注浆孔内灌注有聚合浆柱，能够避免半刚性基层在车辆荷载或雨水渗入引起的收缩，防止沥青面层发生网状裂缝和沉陷；同时雨水通过导水槽汇集到集水道内，避免雨水侵入沥青面层和底部基层结构，防止沥青面层表皮发生松散脱落，解决了半刚性基层在车辆荷载或雨水渗入时引起收缩，致使沥青面层容易发生网状裂缝和沉陷，同时沥青面层表面沉积雨水无法快速清理，使得沥青面层表皮发生松散脱落的问题。
Novel preventive maintenance type asphalt pavement structure for highway engineering
一种新型公路工程预防养护型沥青路面结构
ZHU HAIYAN (Autor:in)
10.05.2022
Patent
Elektronische Ressource
Chinesisch
IPC:
E01C
Bau von Straßen, Sportplätzen oder dgl., Decken dafür
,
CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE
Evaluation Index for Preventive Maintenance of Highway Asphalt Pavement
| DOAJ | 2021
| Europäisches Patentamt | 2023
Asphalt Pavement Preventive Maintenance Technology Overview
| Trans Tech Publications | 2014