| How to govern the water logging road is a long-term problem to hinder the construction and development of highway. During the rainy season year of every year, the water logging disaster frequently occurred along the Niubei to Maiji road of G310,which has been obstructed the good running of transportation seriously, lead to the inconvenience of local people’s travel and the risk of traffic. Therefore, water logging is a serious problem must to be solved right now. This paper on the basis of the existing research results, systematically collected the data of topography and geological conditions, hydrologic conditions, climate, frozen soil, earthquake in this section, then detailedly surveyed and sorted out the water logging phoneme along this section road, and at last get the conclusion of the typical type of water logging of this section.On the survey of water logging phenomena from the Niubei to Maiji road of G310,we found that water logging caused the different degrees damage to highway roadbed, pavement, bridge structures, etc. especially the roadbed cave-in and pavement damage is very serious. Based on the cause analysis of different conditions of water logging, this paper proposed an proper treatment design to foundation collapse, roadbed cave-in, pavement damage caused by water logging.This paper used the HPDS2011 to set up data model and analyze the foundation bearing capacity of existing pavement structure, and calculated the design deflection value. Based on the design deflection value to calculation the thickness of the cold regeneration bituminous pavement structural, then got the treatment measure accordingly. With the Li zheng geotechnical software to set up the analysis model of roadbed cave-in, and analyzed the subgrade slope sliding force under the conditions of water saturation, then adopted the anti-slide pile design and after analysis thrown up the result that the subgrade slop would be in a stable state undet this treatment,finally put forward some proper treatment design aimed at handling with other water logging damage.The conclusion of this paper have the great benefits to ensure the good condition of road infrastructure and transportation in the section from Ninbei to Maiji road of G310,at the same time,also has very important practical significance to redece the economic loss and social impact cased by water logging. |
