尤物视频污,99热99热99超碰,精品久久久久女少妇,少妇精品无码,日B视屏久久香色,亚洲美女午夜福利av,国产美女被操,国产九九精品,国产久久色情

China Railway Cement Crossing Slab - China Supplier
China Railway Cement Crossing Slab - China Supplier China Railway Cement Crossing Slab - China Supplier China Railway Cement Crossing Slab - China Supplier China Railway Cement Crossing Slab - China Supplier China Railway Cement Crossing Slab - China Supplier

Railway Cement Crossing Slab

Price:¥3500 /m
Industry Category: Others
Product Category:
Brand: 眾安
Spec: 500mm


Contact Info
  • Add:山東省濟(jì)寧市兗州區(qū)九州大道中路路南(立交橋東), Zip: 272100
  • Contact: 喬經(jīng)理
  • Tel:13021785399
  • Email:1915375899@qq.com

Other Products

Description
Additional Information

Cement crossing panels, fully known as railway cement crossing paving panels, are specialized cement components laid at railway and highway level crossings. Their core function is to ensure the safety of railway tracks and the smooth passage of road vehicles and pedestrians, achieving the dual goals of "bump-free crossing for people and vehicles, and undamaged railway tracks."

I. Core Functions

1. Ensuring Passage Safety: Covering the gaps between railway rails and sleepers to prevent vehicle tires from getting stuck in the tracks or pedestrians from tripping, while also preventing foreign objects from entering the tracks and affecting train operations.
2. Protecting Railway Equipment: Distributing the load of road vehicles to avoid direct pressure from heavy vehicles on rails and sleepers, reducing track deformation and wear, and extending the lifespan of railway equipment.
3. Improving Passage Efficiency: With a flat surface and high compressive strength, they support continuous passage of motorized and non-motorized vehicles, preventing traffic congestion caused by bumpy crossings.

II. Main Technical Features

- High-Strength Material: Made of C40 or higher-grade concrete, sometimes reinforced with steel mesh or fiber materials, with compressive strength ≥40 MPa and flexural strength ≥4.5 MPa, capable of bearing heavy truck loads (≥100 tons).
- Anti-Slip Design: The surface is often grooved or textured to increase the friction coefficient, preventing vehicle slippage during rainy or snowy conditions.
- Strong Adaptability: Customized based on railway gauge (e.g., standard gauge 1435 mm) and crossing width, ensuring precise fit with rails and sleepers, with reserved gaps for thermal expansion and contraction of tracks.
- High Durability: Resistant to freezing, seepage, and corrosion, suitable for outdoor environments (high temperatures, extreme cold, water immersion), with a design service life typically ≥15 years.

III. Applicable Scenarios

- Railway and highway level crossings (including rural roads, urban roads, and dedicated roads for factories and mines).
- Heavy-duty scenarios where rubber crossing panels are prohibited or restricted (e.g., mining areas, ports, logistics parks, and other areas with dense heavy vehicle traffic).
- Outdoor crossings with high requirements for durability and low maintenance costs (avoiding frequent replacement due to aging rubber panels).

IV. Installation and Maintenance Key Points

1. Installation Requirements: Must be precisely aligned with railway tracks, leveled at the base with cement mortar, and gaps between panels and rails filled with elastic materials to prevent debris ingress and cushion vibrations.
2. Routine Maintenance: Regularly inspect the surface for cracks or chipping, and check if the gap filler has detached; damaged panels should be repaired or replaced promptly to prevent rainwater seepage and erosion of the track foundation.

Industry Category Others
Product Category
Brand: 眾安
Spec: 500mm
Stock: 5000
Manufacturer:
Origin: China / Shandong / Jiningshi
About Toocle.com -  Toocle Partnership -  Toocle Services -  Old Version
Copyright ? Toocle.com. All Rights Reserved.
(浙)-經(jīng)營(yíng)性-2023-0192
ChatGlobal Chat Now 桓台县| 迭部县| 文昌市| 时尚| 若尔盖县| 怀仁县| 且末县| 湟中县| 资源县| 绥江县| 江山市| 大田县| 德兴市| 班玛县| 汝阳县| 噶尔县| 河东区| 深州市| 桦甸市| 福贡县| 青龙| 德格县| 历史| 弥勒县| 山阳县| 伊金霍洛旗| 伊春市| 灵石县| 桐梓县| 项城市| 卢湾区| 自贡市| 衡阳县| 盐城市| 贡觉县| 福鼎市| 阿尔山市| 延长县| 河池市| 探索| 阳东县|