The Road Noise Barrier foundation built on the roadbed should be constructed synchronously with the roadbed, and shall not be damaged due to its construction and affect the stability and safety of the roadbed. The foundation construction of the Road Noise Barrier should be after the road basic body is formed, before the track laying and the construction of the cable trench; the positions of various pipelines on the roadbed should be checked before the construction; according to the basic size of the Road Noise Barrier and the position of the road shoulder, cutting and slotting, It is strictly forbidden to damage various pipelines when cutting and slotting.
The foundation of Road Noise Barrier shall be constructed according to the design requirements in position, shape, size, and depth, and the foundation excavation shall not damage the surface of the foundation bed. The materials and construction methods used for the construction of the road Noise Barrier with anchor rods and anchor hole grouting shall meet the design requirements and shall not affect the safety and stability of the roadbed. The foundation of Road Noise Barrier shall be constructed with expansion joints according to design requirements. The foundation of Road Noise Barrier is equipped with an expansion joint every 20m~30m. During the construction, the specific expansion joint position should be determined according to the site topography.
The foundation of Road Noise Barrier shall be pre-embedded with drainage pipes according to the design requirements, and the drainage outlet shall not wash the roadbed; the construction of the foundation concrete at the intersection of the drainage pipe of the collection well between the ballastless track line shall not damage the drainage pipe. Pre-embedded every 2m at the top of the foundation; 100mm L-shaped PVC pipe to discharge rainwater on the shoulder of the Road Noise Barrier; pre-embedded at a slope of 2% every 4m at the variable cross-section in the middle of the foundation; 75mm straight PVC pipe to drain water seepage and cables from the road basic body Drain the water from the trough; the connecting drain pipe of the collection well between the baseline of the ballastless track line can be poured in the foundation. The Road Noise Barrier shall be provided with drainage facilities, and the outer drainage outlet shall avoid scouring the roadbed slope and prevent sound leakage.
After the foundation of Road Noise Barrier is completely filled with concrete, its surface should be smoothly connected to the surface of the roadbed. The gap between the foundation of Road Noise Barrier and the cable trough, the catenary pillars, and the road shoulder should be waterproofed according to the design requirements. Asphalt concrete shall be used as the waterproof layer between the foundation and the cable trough, the contact net pillar, and the gap between the road shoulder.
HeBei Shengsen Metal Products Co., Ltd. is located in Shijiazhuang City, Hebei Province. We have convenient transportation and advantageous location, with quick access to Tianjin Port. We can supply all kinds of wire and wire mesh products
with fine quality. Our company mainly deals with the following products: our main products include Expanded Metal Mesh.Aluminium expanded metal mesh.Powder coated expanded wire mesh. Gabion Mesh . Gabion Box .Gabion Mattress.Gabion Wall Baskets.noise fence.
