Building structure – the steel structure of the “10000 ton steel cap” roof of Hangzhou West Railway Station is fully capped!


According to the geological exploration report, the site category is class II, and the characteristic period is 0.35s

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Prestressed concrete beam and prestressed concrete beam are used for the main floor of the station building, and the prestressed concrete beam and bonded steel beam are used for the main floor of the station building, in which the prestressed concrete beam system and the prestressed concrete beam are used for the lower part of the station building

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In order to reduce the beam span, 1.0mx1.0m square column is added between column spans

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The main section of the main beam is 3.2mx2.0m and 3.2mx2.6m, and the main section of the secondary beam is 0.9mx2.3m and 0.6mx1.2m

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△ 3D model of ground square floor (0.000 elevation) in area a of station building, typical column grid along the track: 9.5m, 8.5m; Typical column grid in vertical rail direction: 11m, 11.75m

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D1900 ~ 2000 ~ 1500×60 material q420gjc-z25

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△ actual scene after the steel roof of Hangzhou West Railway Station is lifted

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The main section of the main beam is 550×900 and the main section of the secondary beam is 400×850

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The platform is made of small column network on the rail bearing layer, with a typical span of 4.75mx6.5m and a column section of 0.5mx0.5m

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△ section of track bearing layer and platform layer of station building (local) △ three dimensional model of elevated waiting layer in area a of station building (elevation 24.100), along track direction column network: 30m, 24m, 19m and 17m; Typical column grid in vertical rail direction: 22m, 23.5m

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△ 3D model of fast exit interlayer (0.000 elevation) in block a of station building, typical column grid along the track: 9.5m, 8.5m; Typical column grid in vertical rail direction: 11m, 11.75m

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It is the first time in China to implement comprehensive development on the platform canopy

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01 overview of Hangzhou West Railway Station Project: the complex building of Hangzhou West Railway Station has three floors above ground and two floors underground

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and China Railway Fourth Survey and Design Institute Group Co., Ltd

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The center of the grid is arched, the four corners are lowered, and the maximum height difference of the lower chord is 13.287m

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△ overall East-West elevation of the structure △ overall north-south elevation of the structure specifications of structural members the roof support system is shuttle steel pipe column, the main specifications are d1700 ~ 1800 ~ 1300×50 and D1600 ~ 1700 ~ 1200×50, and the material is q345gjc-z15

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The roof adopts steel structure, and the upper roof adopts reinforced concrete frame structure; The cloud gate adopts steel frame + support structure

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△ three dimensional model of rail bearing layer (12.100 elevation) in block a of station building, along rail direction column network: 30m, 24m, 19m and 17m; Typical column grid in vertical rail direction: 22m, 23.5m

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Beam section 500x500x500

. Magnetic Steel Chamfer

The dimension of the station building along the track is about 450m, and the dimension of the station building along the vertical track is about 371m

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The overall lifting of the steel structure of the roof of Hangzhou West Railway Station is completed, marking the completion of the most important node in the construction of Hangzhou West Railway Station ahead of schedule

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The building area of the station complex building is about 510000 m2

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The 50 year return period basic wind pressure is 0.45kn/m2, the 2100 year return period basic wind pressure is 0.50kn/m2, and the ground roughness is class B

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△ three dimensional model of travel service mezzanine and traffic corridor (elevation 31.100) in area a of station building △ overall three-dimensional model of the lower part of area a of station building 03 roof structure system overview of roof structure system the roof of waiting hall is in the form of steel truss + space truss structure, in which the cross is steel truss and the rest is steel grid

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Hangzhou West Railway Station project is jointly designed by Zhujing Design Co., Ltd

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The project is promoted with high quality, and strive to build a benchmark for a new generation of high-speed railway station buildings

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Take the foundation top as the embedded end

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The roof height is 55.95m (the highest)

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“If you want to continue to receive the official account, please note that the” WeChat “is a public key

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△ effect drawing of Hangzhou West Railway Station Hub △ effect drawing of Hangzhou West Railway Station △ indoor effect drawing of Hangzhou West Railway Station △ section drawing of Hangzhou West Railway Station 02 roof design concept the station building of Hangzhou West Railway Station is a fully elevated station building, which is designed with the structural system of “integration of bridge and construction”

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On June 28, the Bishi group of Hangzhou West Railway Station project planned to successfully complete the overall upgrading of roof steel structure one month ahead of schedule, and will fully turn to the stage of roof water closure and decoration, which has taken another important step for delivery on schedule

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Some daylighting roof trusses extend to the supporting column head to form a “dark truss” connection in the grid, and some trusses are connected with the grid

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The main section of the main beam is 1.4mx2.4m, and the main section of the secondary beam is 0.6mx1.5m

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The basic snow pressure once in 50 years is 0.45kn/m2, and the basic snow pressure once in 2100 years is 0.50kn/m2

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The overall design concept is “Cloud City”, which adopts the architectural concepts of large space “cloud Valley”, cross corridor and cloud gate

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△ renderings of Hangzhou West Railway Station Hub Hangzhou West Railway Station is one of China’s large railway hubs, with Integrated Station City design

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Star setting: enter the official account homepage, click the “top” corner, click “set star”, and the official account will appear yellow Pentagram (Android and iOS user operation alike)

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According to the seismic code, the seismic fortification intensity is 6 degrees, the design basic seismic acceleration value is 0.05g, and the design earthquake group is the first group

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The main section of the main beam is 600×800 and the main section of the secondary beam is 350×750

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The design service life of the track bearing layer and its lower part is 100 years, and the design service life of the part above the track bearing layer of the station building is 50 years, The durability design life of station buildings is 100 years

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Above the rail bearing layer of the station building are concrete-filled steel tubular columns or reinforced concrete columns with a diameter of 1.6m; The main column section below the rail bearing layer is 2.2mx2.2m steel reinforced concrete square column

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△ 3D model of platform layer (14.500 elevation) in area a of station building

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The building functions from bottom to top include subway station hall floor, underground parking mezzanine, ground square floor, rapid entry mezzanine, platform floor, elevated waiting floor and elevated travel service mezzanine

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Because the official account official has adjusted the push rules, if you want to continue to receive the contents of the official account, please set the public building number of the building as the star sign, and more points of the “look at” and “praise” in the end of the article

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The main section of the main beam is 550×800 and the main section of the secondary beam is 300×750

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The seismic fortification category of the building is key fortification (class B), the safety grade of the building structure is class I, and the design grade of the foundation is class A

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It is the first time in China to adopt the mode of station yard opening and central station entry

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The main specifications of members in the space truss structure area are: Φ 377×16、 Φ 273×16、 Φ 219×16、 Φ 168×10、 Φ 76×6, etc.

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Through multi-dimensional (efficient) traffic organization, rational and full comprehensive development, as well as the urban space with Jiangnan temperament and a sense of future, the west railway station complex will be built into a model city for a better life in the future

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No settlement joint is set, and expansion joint and seismic joint are set at the following positions: combined with the characteristics of building functional zoning, two joints are set at axis 6 ~ 7 and axis 20 ~ 21 in the vertical track direction, and two joints are set at axis A and axis h in the along track direction (no joint is set at axis h for the roof), The project is divided into three areas: elevated station building in area a, platform canopy in area B and Cloud Gate in area C

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△ three dimensional model of steel roof structure roof structure span the total length of structural units in the vertical rail direction of the steel roof of the station building is about 326m, and the column grid size: the middle span is 72m, and the typical spans are 22m and 23.5m; The total length of the structural unit along the track is about 245m, and the column grid size: the middle span is 78m, and the typical spans are 19m and 38m

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△ 3D model of ground square floor (- 4.900 elevation) in area a of station building, typical column grid along the track: 9.5m and 8.5m; Typical column grid in vertical rail direction: 11m, 11.75m

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Orthogonal two-way plane truss is adopted for the cross type daylighting roof area, and inclined quadrangular pyramid grid is adopted for the surrounding four quadrant areas

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