Summary of key and difficult points of structural design in building structure TOD project

The development of TOD in the central area of Tokyo combining with rail transit hub has become the main trend of leading the city renewal.

It generally takes many years from the planning of the line and urban planning to the application for project approval by the national development and Reform Commission, and then from the selection of investors to the integrated construction of the lower part.

1、 In recent years, the Metro Depot has been vigorously developed in China: the development of the upper cover of the depot.

The development forms of properties on the subway are diversified and the business types are rich, including apartments, residences, office buildings, hotels, shopping malls and other public facilities, such as stadiums, hospitals, schools and large residential communities.

Taking Beijing as an example, the scale of vehicle bases that have achieved comprehensive development and utilization is about 115 hectares, while the undeveloped vehicle bases cover an area of 373 hectares, with a low degree of development.

Let’s first understand the basic concept of Metro Depot.

Similarly, Vanke has built a number of Sky City Series subway superstructure properties in Shanghai, Hangzhou and Nanchang.

There is no basement under plots 0603 and 0604, and the total construction area above the slab is about 380000 square meters.

In China, green city’s yangliujun series products and Vanke’s sky city series products are also the leaders in property development.

Can we build a house on such a large roof? The answer is yes.

According to the latest national policy requirements, the financial capital investment in the total investment of urban rail transit construction projects shall not be less than 40%.

Such a low development roof is really outrageous.

Taking Shanghai Qingpu sky city as an example, the whole project is located above the slab platform (depot roof) 8.4m away from the ground, which is divided into four sub plots 0601 ~ 0604.

Most domestic metro vehicle bases have not been developed on a large scale.

There are 65 cities whose rail transit network planning has been approved by the national development and Reform Commission, of which 63 urban rail transit planning is under implementation.

Star setting: enter the official account homepage, click the “top” corner, click “set star”, and the official account will appear yellow Pentagram (Android   TOD (same as IOS user’s operation): with the subway as the core, subway supporting facilities are built in its upper space for multi-level development and construction of Commerce, office and residence.

The first floor of the large chassis is subway room and the second floor is parking lot.

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    In China, at this stage, the development process of the upper property of the subway depot is relatively complex.

Among them, 1 ~ 2 floors are large chassis, which is divided into 8 blocks.

How to develop and utilize them is the need of urban development in the future.

The comprehensive business development based on the subway station, such as “Subway + residence” and “Subway + commerce”, will gradually become the mainstream of the development of the mainland real estate market in the future.

If the operation line is long, in order to facilitate the operation and share the inspection and cleaning workload of vehicles, a parking lot can be set at one end of the line to be responsible for the parking, operation, inspection and servicing of some vehicles.

This kind of project based on subway construction is what we often call “subway superstructure project”, which is referred to as “superstructure project”.

There are 13 frame structure houses on the large chassis, with 10 floors for each collision, with a total height of 44.5M, of which the residential part is 30m high.

The properties covered on plots 0602 and 0604 are residential buildings (16 buildings in total, 9-17 floors, maximum height of 72.6m) and garage, which are isolated.

It is surrounded by four roads: Jordan Road, Lianxiang Road, Austin Road West and Yaxiang road.

The concept of subway superstructure originated from Hong Kong.

In a broad sense, buildings within 500 ~ 800m of the subway station can be connected with the subway station through underpass or commercial facilities and other public facilities.

The development of TOD in Japan is based on the real estate development mode.

The floor price of areas close to the urban area and the surrounding area has increased by more than 50%, while that of the suburbs has decreased by about 20 ~ 30%.

Greentown has cooperated with local Metro in Hangzhou, Ningbo, Foshan, Harbin and other cities to develop a number of yangliujun series products, all of which are properties covered by metro.

The development of subway superstructure provides a possibility for urban development and real estate development.

Hong Kong is one of the regions with the highest population density in the world, but it can still maintain smooth road traffic under high-density development, which is largely due to the unusually high local bus utilization rate.

It refers to a building form in which buildings are directly connected with the entrances and exits of subway stations and halls and traffic is zero connected.

Such buildings are collectively referred to as subway superstructure properties.

It mainly has the following functions: shunting, parking, daily inspection, general fault handling and cleaning in the depot; Technical inspection, monthly repair, regular repair, UN wheeling repair, temporary repair and commissioning of vehicles; The train returns to the depot and turns back, and the crew driver changes shifts; Maintenance of equipment and tools in the train and daily maintenance of shunting locomotive; Emergency rescue and repair team and equipment; Be responsible for the procurement, storage, custody and supply of various materials, equipment, spare parts, labor protection articles and other non productive fixed assets required by the metro system during operation.

The rail transit development needs of large cities are high and the construction fund gap is large.

In 2020, the national development and Reform Commission has successively approved the rail transit construction plans of four cities, including Shenzhen, Hefei, Xuzhou and Xiamen, with a total of 20 rail transit lines, a newly approved project mileage of 280 km and a total investment of 230.6 billion yuan.

Jiulong station is not only an urban transportation hub complex developed and built in TOD mode, but also an urban commercial complex providing various life services and needs.

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Take rail transit as the guide to promote urban development and provide supporting services for the city around the subway.

There are many TOD projects in Tokyo 5km area.

The structural form is frame system.

It is basically necessary to wait until the construction of the cover body is completed, and then the local government and rail transit units confirm the land right.

The Kowloon Station project is located on the top of the Kowloon Station of the West Kowloon MTR in Hong Kong.

Metro Depot is the location of the management center for metro vehicle parking, inspection, servicing, operation and repair.

In the past ten years, the cost per kilometer of rail transit has increased from 500 million yuan to 800 million yuan, and the cost per kilometer of urban rail transit in Beijing has exceeded 1.2 billion yuan.

Urban land resources are scarce, and there are certain land resources on and around the subway.

A basement (for the depot) is set under plots 0601 and 0602 of the project.

The overlying properties of plots 0601 and 0603 are commercial and office buildings, which are converted by beam supporting column.

A typical subway depot is a large roof with low development strength, with a conventional roof area of about 100000 square meters.

Its perfect supporting functional facilities not only meet people’s needs for life, entertainment and work, but also greatly enhance the commercial value of the land around the station.

2、 Domestic subway development trend by 2019, the number of cities with rail transit in China has reached 40, with a total operation length of more than 6736 km.

Taking yangliujun, Ningbo as an example, the project is located in Qiuai east station of Ningbo Rail Transit Line 1, with a site area of about 70000 square meters and a total construction area of about 240000 square meters.

After the hard landing of Japan’s bubble economy, the attraction of suburban business sub center has dropped.

3、 The development trend of overlying property at home and abroad, the shortage of land resources in big cities, and the development degree of subway vehicle base is low.

When the cover body and the surrounding white land enter the land trading market together for secondary land development, many initial conditions may be greatly changed when the secondary development is really started..

The project covers an area of 13.54 hectares, with a total construction area of about 1.09 million square meters.


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