The radial radial steel beam and cable system are used in the roof to form a strong centripetal sense with the annular raceway and bucket screen
. 
The project mainly includes three core functions: stadium, gymnasium and outdoor training ground
. 
The ring Hall of the stadium (photo: Hou Bowen) the ring Hall of the stadium (photo: Hou Bowen) also enhances the identity of the internal space through the high-purity color and logo system
. 
The roof drainage adopts an inner ring rainwater ditch, with a built-in siphon inlet, and two overflow troughs directly leading to the outer curtain wall to fully guarantee the safety of the roof structure
. 
Bird’s-eye view of the stadium roof from the East (photo: Hou Bowen) the stadium platform overlooking the stadium (photo: Hou Bowen) is also based on the poetic creation of Qingdao Marine regional culture: through the simulation of the intensive growth structure of the thread, the space of the stadium is intensive; with the marine cultural intention of “cloud”, “sea”, “sand” and “shell”, it has become a place where more passengers can be seen on the take-off and landing channel of Jiaozhou new airport “Sand of the sea” – the stadium’s “mantle” composed of light undulating veins on the roof and facade is like the beach swept by the waves; “shell of cloud” – the stadium’s white ellipsoid implies the beach shell under the blue sky and white clouds
. 
The first phase of the construction mainly includes one stadium, namely 60000 stadiums and 15000 gymnasiums
. 
Qingdao citizen fitness center is the venue project of the 24th Shandong games
. 
Southeast bird’s-eye view (photo: Hou Bowen) since the completion of Qingdao citizen fitness center, in addition to hosting the 24th Shandong Provincial Games, it has also hosted many international competitions such as men’s basketball and volleyball of the national team
. 
Northwest bird’s-eye view (photo: Hou Bowen) east bird’s-eye view (photo: Hou Bowen) design features: the coastal landscape site construction project based on Qingdao Marine regional culture is located in the geographical geometric center of Qingdao City, airport, high-speed railway station and other regional transportation hubs, and together with the major municipal projects such as Hongdao Convention and Exhibition Center and Jiqing high-speed railway Hongdao station, it constitutes the public space of the north coast of Qingdao Center
. 
After the game, it can be transformed into football match room and Conference Center
. 
Reservoir south view Stadium (photo: Hou Bowen) stadium infield (photo: Hou Bowen) the circular hall around the stand maximizes the distance between the audience and the entrance: the audience enters the hall through the “sharp ticket” shaped entrance evenly distributed in the circular direction and reaches the entrance of the respective pool seat stand area
. 
Stadium seats (photo: Hou Bowen) stadium infield (photo: Hou Bowen) [concise and clear curtain system] the outermost layer of a stadium is composed of two outer and inner layers, which are extended from the facade to the roof, covering the ring hall and stand space
. 
The air inlet and exhaust shafts evenly arranged on the top of the audience rest hall pass through the metal roof in the form of vertical shafts and are hidden in the cavity under the upper aluminum plate layer, ensuring the continuity between the roof and the facade
. 
Recently, it has successfully held the second stage of China Men’s basketball professional league (CBA) replay in 2019-2020 season, which is the first large-scale sports event under the epidemic prevention and control in China Duan’s 40 games, hardware facilities and event organization were fully praised by Chairman Yao Ming of China Basketball Association
. 
The box on the floor of the building can become the office space of the operation unit at ordinary times
. 
The first row seats are as close as possible to the competition field in both plane and section, so as to improve the audience’s clarity and space sense of watching the football match
. 
In the design of the facade details of the gymnasium [sustainable development complex venue], the possibility of convenient transformation and operation after the game is fully considered from the perspective of function matching and spatial layout
. 
Through the multi-dimensional and multi-path viewing of the main urban space nodes, and the line of sight analysis of “seeing” and “being seen” with the red island station, a compact layout mode with moderate opening and no occlusion is formed, which not only makes the venue elements to maximize the urban appearance, but also ensures the maximum intensive use of the land
. 
The steel structure system on the roof of the gymnasium the gymnasium competition hall adopts the multi-functional layout, which can realize the basketball, gymnastics, handball and other competitions through the change of the telescopic seats in the pool seat area, as well as the multi-functional transformation with the Convention Exhibition and performing arts
. 
This ingenious three-dimensional combination of fire control and public facilities is not only convenient to guide the audience, but also greatly saves indoor space
. 
In order to form a compact and high enclosure layout between the sight quality and the wind speed during the game, the stand design can not only meet the needs of holding track and field competitions, but also take into account the possibility of watching the football match as the home of the local professional club after the game
. 
It has become a new business card of Qingdao city
. 
Wetland park is reserved in the architectural layout to form an intensive layout; large venues are overhead and touch the wetland lightly to create a two-story sea viewing platform; no basement is built to protect the wetland landscape as much as possible
. 
Together with 13 municipal major projects, such as Hongdao Convention and Exhibition Center, Jiqing high-speed rail Hongdao station, it forms the public center on the North Bank of Qingdao
. 
As one of the largest competitive performance centers with the best hardware facilities and the highest technology content in Shandong Province, the citizen fitness center will open more than 360 days a year in 2019, with an average opening time of 8 hours a day and an opening area of more than 80%
. 
The ring hall adopts four groups of “double-layer vertical superposition type” straight running stairs “tube”, the interior of which is fire stairs, leading to the outdoor platform, on which an open staircase is formed, leading to the four storey building
. 
The color design of the ring Hall of the stadium adopts “green”, “red”, “blue” and “yellow”, which are respectively used in the East, West, South and north stands of the ring hall, symbolizing the city elements facing the East, West, South and north of the base – Qingdao, red island, Haihai and Huangdao
. 
The detachable seating area of the building and the exercise hall at the lower part of the gymnasium are used as the auditorium and the warm-up ground for athletes during the competition, and then transformed into the fitness space for citizens after the competition.
. 
The vertical traffic adopts steel structure straight stairs with stronger guidance, which is evenly arranged in accordance with the twill direction of the outer curtain wall, leading the audience into the four story building
. 
The roof steel structure system is a suspension structure composed of rigid steel beams and cables
. 
The building adopts 12 ~ 18m long-span column grid, which is conducive to segmentation
. 
Source: search architecture (ID: sjz9999)
. 
The color of the stands has gradually changed from the yellow beach implied by the pool seat area to the blue ocean implied by the building area, which not only improves the orientation recognition of the audience, but also integrates the regional culture of Qingdao and the sports temperament of sports buildings
. 
The inner layer is steel structure, and the outer layer is continuous facade curtain wall and metal roof canopy
. 
Southeast of the stadium (photo: Hou Bowen) north of the stadium (photo: Hou Bowen) intensive space system based on the best experience during the game [compact and homogeneous infield and ring hall] the plane of each system of the stadium adopts the most intensive circular form
. 
In the section, the saddle curve of the cornice inside and outside the canopy is suitable for the contour of the grandstand rising from the line of sight of the ring seat
. 
The project is located in the coastal area of Jiaozhou Bay in Qingdao City, the geographical geometric center of Qingdao airport, high-speed rail station and other regional transportation hubs
. 
East terrace of Gymnasium (photo: Hou Bowen) south entrance of Gymnasium (photo: Hou Bowen) the roof of the competition hall in the middle of gymnasium is lowered, which is not only convenient for the audience to watch the dipper screen, but also conducive to focus on the venue, and can reduce the energy consumption of air conditioning
. 
The grandstand mainly includes pool seat, box and floor area, and the lower base is used by VIP, media, referee and athletes
. 
The stadium is a class a large stadium, which can hold international single event and national comprehensive events; the stadium is a super class a stadium, which can hold international single event and national comprehensive events
. 
The competition hall of the gymnasium has a mosaic effect of red and yellow, which respectively metaphors red island and yellow island
. 
The stadium can be used for single international and national comprehensive events including track and field, football, etc
. 
