Construction method of corrugated steel pipe culvert

Abstract

The invention discloses a construction method of a corrugated steel pipe culvert. The method is used for respectively carrying out splicing construction on a plurality of pipe culvert splicing segments from rear to front and comprises the following steps of A1, carrying out splicing construction on a rear-end splicing segment; A2, carrying out splicing construction on a next splicing segment; A3,repeating the step A2 repeatedly until splicing construction processes of all pipe culvert splicing segments on the rear side of a front-end connection segment are completed; and A4, carrying out splicing construction on the front-end connection segment. The construction method of the corrugated steel pipe culvert is reasonable in design, simple and convenient to construct and excellent in using effect; a pre-stressed reinforcing structure is used for carrying out segmental integral reinforcement on the spliced corrugated steel pipe culvert; structures and arrangement positions of all pre-stressed reinforcing steel bar sets in the pre-stressed reinforcing structure are limited; the pipe culvert splicing segments are synchronously subjected to pre-stressed reinforcement in stages in the splicing process; meanwhile, all the pipe culvert splicing segments in the pipe culvert body are integrally reinforced by the pre-stressed reinforcing structure; the integrality and the stress performance of the constructed and formed pipe gallery can be effectively improved; and the durability of the pipe gallery can also be effectively prolonged.

Description

technical field [0001] The invention belongs to the technical field of pipe and culvert construction, and in particular relates to a construction method of a corrugated steel pipe culvert. Background technique [0002] A pipe culvert is a culvert whose body structure is a round pipe. The body part includes a round pipe, base, waterproof layer, etc. The round pipes currently used are usually reinforced concrete pipes. Among them, the pipe gallery is a special pipe culvert. In recent years, my country's urbanization process has been accelerating, the city's comprehensive strength has been continuously enhanced, urban underground spaces have been continuously developed, and the importance of comprehensive utility corridors has been increasingly recognized by people. The comprehensive pipe gallery refers to the structures and auxiliary facilities built underground to accommodate two or more types of urban engineering pipelines. Various engineering pipelines such as heating, wa...

AI Technical Summary

Problems solved by technology

[0004] However, in the actual use process, the corrugated steel structure pipe culvert has the following defects: First, the pipe diameter is too small: the pipe diameter is usually not greater than 3m, and the space provided is limited, which cannot meet the requirements of the main line pipe gallery and the larger branch line pipe gallery Second, there is a lack of simple and effective splicing methods. At present, there are two main longitudinal splicing methods for corrugated steel pipe structures. The first is welding, and the second is flange and bolt connection, but the first method The construction speed is slow and the labor cost is high. Although the second method is faster in construction, it does not give full play to the structural characteristics and advantages of corrugated steel, and damage and leakage are prone to occur in the longitudinal connection parts; third, corrugated steel Poor structural durability and poor mechanical performance, especially for long-distance large-diameter spliced ​​pipe culverts, which have poor integrity and poor mechanical performance. Many damaged parts will inevitably appear, and the later maintenance workload will be large

Images