1, project overview
Hangzhou-Shaoxing Intercity Railway Project starts from Zhang Xiang Road Station in Xiaoshan District, Hangzhou, where it transfers to Diedao of Hangzhou Metro Line 5, and ends at Yang Di Road Station in Keqiao District, Shaoxing, connecting with Shaoxing Rail Transit 1 line. The total length of the line is 20km, including 9km underground line, 7km overhead line,1.06km transition section, 2km tunnel and 9 stations (3 overhead and 6 underground). Shaoxing Keqiao District has a line length of 15× 35km, with 7 stations in total. Xiaoshan District, Hangzhou, 4 kilometers long, with 2 stations. This project has a 1 vehicle comprehensive base in Wan Xiu Road, Qianqing Town, Keqiao District, Shaoxing City. A temporary control center is set up in the vehicle comprehensive base, and a new vehicle base in Wan Xiu Road and a main substation in Yang Di Road are built. The whole line adopts 1 10/35kV centralized power supply. The general situation of Zhejiang intercity railway planning approval is as follows: The line starts from Hangzhou South Railway Station and ends at Yang Di Road, Ke Qiao Street, Shaoxing, with a total length of 24 km and a subway system. The construction time is 20 15 ~20 19. The main technical standards are as follows: maximum design speed 100km/h, general curve radius of 700m, maximum line gradient of 30 translation, urban rail B-car, effective platform length 120 m, DC 1500 V catenary power supply mode, and automatic train control (ATC) system [3].
2. Overview of the starting point of Hangzhou-Shaoxing intercity railway
2. 1. Overview of Hangzhou South Railway Station Hub
Hangzhou South Railway Station Hub mainly includes National Railway Station Building, Municipal Square, Metro Line 5 and planned subway 1 1. As an important part of the transportation hub, the national railway station house undertakes nearly 55% of the city's foreign passenger flow. The total scale of the station is 7 platforms and 2 1 line, including the existing general parking lot, the newly-built Hangzhou-Ningbo parking lot and the newly-built Shanghai-Kunming-Hangchang parking lot. The station building adopts the form of elevated waiting and east-west station building entering the station, with a building scale of 50,000m2. Subway supporting municipal transportation (Metro Line 5 and planned subway 1 1). The municipal square project is mainly composed of east and west square projects, with a total construction area of about 200,000 square meters. It mainly includes bus station (station), taxi station, social parking lot, hub control center complex building and bus complex building. This multi-traffic transfer junction hub can provide passengers with zero transfer convenience and realize seamless docking of various modes of transportation.
2.2. Overview of Zhang Xiang Road Station
Zhang Xiang Road Station is the terminal of Hangzhou Metro Line 5, and a turn-back line is set behind the station, which also serves as the entrance and exit line of Girls Bridge parking lot. The station is located on the south side of Rainbow Avenue (the planned red line width is 68.5m). Parallel transfer with Hangzhou Metro 13 Line (located on the north side of Rainbow Avenue) is an underground station, and the two lines are transferred by tunnel. Hangzhou rail transit line 5 is a short-term construction line, and line 13 is a long-term planning line in Hangzhou.
3. Location selection of Hangzhou-Shaoxing intercity starting point
3. 1 Scheme Overview (Figure 1) Based on the principles of rail transit planning, overall urban planning and people-oriented in Hangzhou and Shaoxing, after repeated argumentation and in-depth analysis of the starting position of intercity railway, the following two basic routes are determined, starting from Hangzhou South Railway Station and Zhang Xiang Road Station respectively. (1) Starting point Hangzhou South Railway Station Scheme (original construction planning scheme): The line leads from Hangzhou South Railway Station of Metro Line 5, turns east to Xincheng Road, along Xiao Yong Railway to the east, sets up Xiajiaqiao Station on the south side of Xiao Yong Railway Xiajiaqiao Station, turns southeast on the east side of East Village along the river, crosses Xijiang River, and sets up Yangxunqiao Station on Yangjiang Highway. (2) Starting point: Zhang Xiang Road Station Scheme: The line is led out from Zhang Xiang Road Station of Metro Line 5, along the south plot of National Highway 104, under the overpass of National Highway 104, the subgrade section of Shanghai-Kunming Expressway turns south after passing through Yuan Sha Village Industrial Park, and then the south road is laid, and it enters Yangxunqiao Town after crossing the railway and Xixiaojiang.
3.2. Advantages and disadvantages analysis of this scheme
Hangzhou South Railway Station is a comprehensive transportation hub integrating railway, high-speed rail, subway, city bus and long-distance bus. In Hangzhou Rail Transit Network Planning (Revision), Metro Line 5 and Line 1 1 also set up stations at Hangzhou South Station. At the same time, due to the renovation of Hangzhou South Railway Station and South Square, the access space of Hangzhou South Railway Station is insufficient, and this project does not have access conditions. In addition, due to the long connecting route of Hangzhou South Railway Station, it is very difficult to introduce it, and there are few passengers along the Xiao Yong Railway, so it is suggested to connect the originating station with Zhang Xiang Road.
4. Analysis of transfer mode at the starting point of Zhang Xiang Road Station.
The introduction of Zhang Xiang Road Station on Hangshao Line mainly includes four schemes: through operation scheme, parallel transfer scheme, overlapping island transfer scheme and transfer scheme on the same platform. (1) Scheme 1: Direct operation scheme Hangshao Intercity is connected with Metro Line 5 at Zhang Xiang Road Station, and the direct operation introduction scheme is adopted. At the same time, in the first station before Zhang Xiang Road (Tonghui Road Station of Metro Line 5), new wiring is added as the turn-back line after the station, and Hangshao between Tonghui Road and Zhang Xiang Road is operated with Metro Line 5. Hangzhou-Shaoxing Intercity Railway and Metro Line 5 * * * use the platform floor and the station hall floor, and transfer to Metro 13 through the transfer passage. (2) Scheme 2: Parallel transfer scheme: Zhang Xiang Road Station of Hangshao Line is located on the south side of Metro Line 5, and transfers in parallel with Metro Line 5 and 13. Zhang Xiang Road Station of Line 3 adopts an island station on the first floor underground. The distance between Zhang Xiang Road Station of Hangshao Line 17m, and the distance between two adjacent lines of Line 5 10m. The station type is an island platform, and a set of flying lines is set behind the station. The turn-back line after the station is arranged in combination with the stop line of the faulty vehicle, and the turn-back line after the station is used for turn-back. Hangzhou-Shaocheng Intercity and Metro Line 5 both enter the station hall floor from the platform floor and transfer to Metro 13 through the transfer passage. (3) Scheme 3: Overlapping Island Transfer Scheme Zhang Xiang Road Station adopts overlapping island layout scheme, Metro Line 5 is an island station on the first floor underground, and Hangzhou-Shaoxing Intercity Railway is an island station on the second floor underground, and Metro Line 5 passes through Shanghai-Hangzhou-Shaoxing Intercity Railway to form overlapping island transfer. Hangzhou-Shaoxing Intercity Railway and Metro Line 5 both enter the station hall floor from the platform floor and transfer with Metro 13 through the transfer passage. The civil structure of Zhang Xiang Road Station was built by Line 5 at one time. (4) Scheme 4: The transfer scheme on the same platform (Figure 2) adopts the mode of two islands and four lines. Study on the starting point location selection and connection scheme of Hangzhou-Shaoxing intercity railway line 7, phase 9 subway line 5 and Hangzhou-Shaoxing intercity railway project. Hangzhou-Shaoxing Intercity is on the outside, and Metro Line 5 is on the inside, with a distance of 5m. There is a crossover behind Zhang Xiang Road Station of Metro Line 5, which is also used as the turn-back of Metro Line 5, and a crossover in front of the station is used as the turn-back of Hangzhou-Shaoxing intercity railway. Zhang Xiang Road Station is a turn-back station between Hangzhou and Shaoxing. Hangshao Intercity needs to occupy the front of the main line of Metro Line 5 and turn back. The two lines cross and there are hostile routes, which affect driving safety. So this plan is not feasible and abandoned. 4-2 Analysis of Advantages and Disadvantages of Yaohao Transfer Scheme [10 15] (Table 2) Based on the above analysis, the island transfer mode is recommended for Hangzhou-Shaoxing Intercity Railway and Metro Line 5, which are operated independently, with convenient management, strong passenger flow adaptability, small building area and minimal station works.
5. Conclusion
To sum up, the selection and connection of the starting point of Hangzhou-Shaoxing intercity railway project needs to be promoted at the provincial level to make the project progress reasonable and orderly, and the rail transit network connecting cities should be considered as a whole to make the overall scheme reasonable. Based on the idea of people-oriented, focusing on long-term development, and starting from the overall design concept [16], this paper puts forward the preliminary ideas and design ideas of the starting point location and connection scheme of Hangzhou-Shaoxing intercity railway: (1) It is suggested to adopt the scheme of connecting the starting point station with Zhang Xiang Road, with each line operating independently, clear engineering construction and investment interface, little interference between each line and convenient management; (2) It is suggested that Zhang Xiang Road Station of Hangzhou-Shaoxing Intercity Railway and Metro Line 5 should adopt the mode of overlapping island transfer, which has strong passenger flow adaptability, and at the same time reduces the building area of the station, reduces the amount of demolition and saves the project cost; (3) Shorten the transfer distance and time of passengers as much as possible.
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