minimal
发表于 2025-3-25 05:38:41
Attenuation Effect of Material Damping on Impact Vibration Responses of Railway Concrete Sleepers,leepers (or railroad ties) are designed usually using high strength concrete (>55 MPa) in order to carry and transfer the wheel loads from the rails to the ground and to maintain rail gauge for safe train travels. In general, the railway sleepers are installed as the crosstie beam support in ballast
弓箭
发表于 2025-3-25 11:11:56
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河流
发表于 2025-3-25 12:54:30
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overweight
发表于 2025-3-25 19:48:49
Multi-modal Transportation System Using Multi-functional Road Interchanges,affic congestion threaten to merge into a continuous never-ending congestion. Two main causes create this problem: an over-concentration of working places in city centers and a dis-proportionately large share of private cars in the traffic. Ownership and use of private vehicles are naturally encoura
Exterior
发表于 2025-3-25 23:57:25
Deformation Behavior for Different Layered Cushion Material After Freeze-Thaw Cycles, to the safety of the concrete face or pavement. If the total or differential deformation of cushion material is too large, cracks may develop in concrete face or pavement, and even more destruction may happen to the whole structure. In cold area, the excessive deformation of cushion material may ha
Bone-Scan
发表于 2025-3-26 04:01:10
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报复
发表于 2025-3-26 07:39:00
2366-3405 elated to railway ballasted track degradation/settlement proThis volume brings together scientific experts in different areas that contribute to the railway track and transportation engineering challenges, evaluate the state-of-the-art, identify the shortcomings and opportunities for research and pr
两栖动物
发表于 2025-3-26 10:01:13
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Congregate
发表于 2025-3-26 14:22:06
Conference proceedings 2019e of ground transportation, and traffic congestion and safety procedures. The volume is based on the best contributions to the 2nd GeoMEast International Congress and Exhibition on Sustainable Civil Infrastructures, Egypt 2018 – The official international congress of the Soil-Structure Interaction Group in Egypt (SSIGE).. .
不利
发表于 2025-3-26 17:25:54
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