The Beijing East 2nd Ring underground road is one of the three horizontal and four vertical underground expressways, and it is an important part of Beijing's expressway system. Technical standards, engineering line location, geological conditions, construction methods, construction organization, controlling conditions of the project are illustrated in the paper. Research and demonstration of the feasibility of the projects is carried out. The conclusions are as follows: (1) The overall line location conform to the city's underground transportation system planning. (2) The overall project layout is correct. Underground space is used reasonably. The urban expressways system can be improved. The technical standards of the expressway project can be satisfied. (3) The project connects Puhuangyu Expressway and Beijing-Chengde Highway. Cross-border traffic is solved. That plays an important role to ease the traffic pressure of city center road network. (4) Large diameter shield construction program is feasible. (5) The large cross-section of proposed tunnel, complex construction environment, high technical difficulty, could be included in the forefront of the construction of city tunnel at home and abroad. Scientific and technological research and research projects are proposed to carry out, laying a solid foundation for the smooth implementation.
Engineering Feasibility Study on the Beijing East 2nd Ring Underground Road
CEABM, International Conference on Civil Engineering, Architecture and Building Materials, 3 ; 1495-1501
Applied Mechanics and Materials ; 353-356
2013
7 Seiten
Conference paper
English
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