Analysis On The Construction Standardization Technology By Pile Foundation In Steep Slope Area Of Mountain Region

The steep slope pile foundation construction of bridge in mountain areas is affected bythe factors of larger terrain elevation difference, crossbar gullies and poor slope stability, etc.,it is quite different from the flatland pile. The steep slope pile foundation constructiontechnology of bridge in mountain areas is still in the initial stage, more referring to theflatland pile, which ignores the complexity of topography and geomorphology of the steepslope in mountain areas. For lack of a system of construction standard and managementmeasures, the phenomenon of excavation at random is quite common, and the geotechnicalenvironment in the bridge site is more seriously destroyed. Unreasonable constructiontechnology results in that the pile quality is difficult to meet the design requirements, andslope construction disturbance leaves safety hidden danger to the normal operation of bridge.Therefore, it is necessary to carry out a further research on the construction standardizationtechnology of the steep slope pile foundation of bridge in mountain areas.Based on a certain highway construction project, considering the influence of topographyand geology conditions on the construction technology, this paper made a synthesis fuzzyevaluation on the construction standardization technology of steep slope pile foundation, andput forward pile foundation’s construction technology, quality control standard andconstruction accident prevention and control measures which are applicable to the steep slopesections in mountain areas. Meanwhile, to avoid and reduce the influence of slope surfacewater erosion and slope instability on the stability of pile foundation, targeted treatment planwas put forward, to form a set of standardized construction technology of the steep slope pilefoundation.Through fuzzy evaluation on the based project, this paper research on the one handdetermined the feasibility of standardized construction, thus providing important design andconstruction basis and technical support, to ensure the pile quality; on the other hand, itprovided a reliable technical basis for operation safety, maintenance and strengthening of thesteep slope bridge in mountain areas.