Scheme Optimization Analysis of Songgang Interchange of Nanguang Expressway North Extension in Shenzhen
In this paper,taking the actual project as an example,the original design scheme crosses the highway sub-grade many times,resulting in high project cost and difficult implementation.After the optimization of the scheme,four underpasses were reduced,the investment was saved by about 320 million yuan,and the con-struction difficulty was greatly reduced.
interchangescheme optimizationsave investmentmain line confluenceleft confluence
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