在路的系统中路基路面的强度与稳定性同水关系十分密切。路基路面病害有多种

在路的系统中路基路面的强度与稳定性同水关系十分密切。路基路面病害有多种，原因是他形成病害的因素亦很多，但其水的作用是主要因素之一，因此路基路面设计、施工和养护中，必须十分重视路基路面排水工程。由于水源对地下路面和路基的影响，水流大致分为水和地下水，对应的路基排水分为地下排水和地下水。表层水包括大气降水（雨雪）、海、河、湖、运河和蓄水池。表面水可以清洗并渗透路基，破坏了整个路基的稳定性，并可能引起氢弹的现象。水分渗透到路基土壤使土壤湿润，降低了次级强度。地下水的有害度根据上部水、地下水、层间水等条件而不同。在重度的情况下，发生冻结，倾斜或倾斜平面塌陷，或沿着倾斜底部的整个路基的滑动。与膨胀性土混合的路基工程可能会被破坏。对铺路水的危害可以表示为使铺路材料的强度减少，使混凝土接头和路旁的泥土产生。由于移动负荷造成的污泥和高压水的清洗，铺路基地的装载容量降低。在冻结地区，熔化期间的水会导致负载能力的整体下降。

在路的系统中路基路面的强度与稳定性同水关系十分密切。 路基路面病害有多种，原因是他形成病害的因素亦很多，但其水的作用是主要因素之一，因此路基路面设计、施工和养护中，必须十分重视路基路面排水工程。 由于水源对地下路面和路基的影响，水流大致分为水和地下水，对应的路基排水分为地下排水和地下水。 表层水包括大气降水（雨雪）、海、河、湖、运河和蓄水池。 表面水可以清洗并渗透路基，破坏了整个路基的稳定性，并可能引起氢弹的现象。 水分渗透到路基土壤使土壤湿润，降低了次级强度。 地下水的有害度根据上部水、地下水、层间水等条件而不同。 在重度的情况下，发生冻结，倾斜或倾斜平面塌陷，或沿着倾斜底部的整个路基的滑动。 与膨胀性土混合的路基工程可能会被破坏。 对铺路水的危害可以表示为使铺路材料的强度减少，使混凝土接头和路旁的泥土产生。 由于移动负荷造成的污泥和高压水的清洗，铺路基地的装载容量降低。 在冻结地区，熔化期间的水会导致负载能力的整体下降。

In the system of road, the strength and stability of subgrade surface are closely related to water. There are many kinds of subgrade and pavement diseases, the reason is that there are many factors that cause the diseases, but the role of water is one of the main factors. Therefore, in the design, construction and maintenance of subgrade and pavement, great attention must be paid to the drainage engineering of subgrade and pavement. Due to the influence of water source on the underground pavement and subgrade, the water flow is roughly divided into water and groundwater, and the corresponding subgrade drainage is divided into underground drainage and groundwater. Surface water includes atmospheric precipitation (rain and snow), sea, river, lake, canal and reservoir. The surface water can wash and permeate the roadbed, destroy the stability of the whole roadbed, and may cause the phenomenon of hydrogen bomb. The infiltration of water into the subgrade soil makes the soil moist and reduces the secondary strength. The harmful degree of groundwater varies according to the conditions of upper water, groundwater and interlayer water. In severe cases, freezing, collapse of sloping or inclined planes, or sliding of the entire Subgrade along the sloping bottom occurs. Subgrade works mixed with expansive soil may be damaged. The harm to the paving water can be expressed as reducing the strength of the paving material, making the concrete joint and the soil beside the road produce. Due to the cleaning of sludge and high-pressure water caused by the moving load, the loading capacity of the paving base is reduced. In frozen areas, water during melting causes an overall decrease in load capacity.<br>