With the vigorous promotion of sponge city pilot construction, the sewage treatment market continues to expand, sponge city construction has become the new force driving green economic growth. In the era of rapid development of mobile Internet and cutting-edge technology, BIM technology is a great choice when constructing a project.
"Sponge City" trillion market release of BIM technology help the industry continued to expand
This year, the sponge city construction plan devoted to resolving the waterlogging problem in cities has been fully promoted by the governments at all levels and at all levels. It is reported that the central government's total investment in the current 30 sponge city pilot projects and underground pipe galleries in 25 cities will reach a scale of more than 66 billion yuan. It is estimated that the total investment for the construction of the end sponges in the "Thirteenth Five-Year Plan" will exceed 1 trillion yuan. With the high-density local policies, the pilot projects have been steadily pushed forward and the market space for trillions of sponges in the "Thirteenth Five-Year Plan" period has been opened up.
The rise of the concept of "sponge city" is regarded by many experts and scholars as a new economic growth point that stimulates investment growth and consumer demand in the new situation. However, the sponge city is equivalent to an ecological green space system. Its construction involves complex engineering techniques involving rain gardens, linear drainage ditches, sunken green spaces, pervious concrete, vegetation buffer belts, pedestrian permeable bricks and other diversified modes. Of course, the construction of underground integrated pipe can not be ignored. As a construction project, in the era of the rapid development of mobile Internet and cutting-edge technology, using modern advantages to complete construction and project management better and faster is the key to the current sponge city construction. The BIM (Building Information Modeling) technology based on mobile Internet is a great choice in construction.
With the mature application of BIM technology in building information model, it will play an even more important role in the green construction and sustainable development of cities. BIM technology at least highlights the following values:
First, from the wisdom of the gallery system construction point of view. Based on the combination of GIS + BIM + big data, a full-dimension intelligent pipe gallery system can be constructed, which can collect, transfer, transfer and accept the wisdom pipe gallery on the same platform during the project life cycle. It can provide integrated and intelligent management for planning and alignment of integrated pipe gallery, collaborative design, construction control, asset management, risk tracking, linkage warning, training and training and emergency command.
Especially in recent years, the development of virtual reality and intelligent devices can also be combined with big data, sensing devices and AR (enhanced display) to promote the integration of above ground and underground. With mobile devices and wearable devices, the AR technology can be used to restore reality and achieve penetrating data query of concealed works of integrated pipelines to promote the simulation and visualization of intelligent pipe galleries.
Second, from the perspective of urban system construction. With the understanding of the city, how to build a city from single building to the whole system operation and management. All intelligent construction, awareness, construction, all together to form a new system. The city is the living body, the building is the cell, and from the BIM to the city CIM, it should be a change from the cell to the living body. In the future, BIM can be used as a "working cell" for building a CIM for the city. The introduction of a variety of data can facilitate system-wide simulation of traffic flow, water flow, air flow, solid waste excretion, etc., and urban security systems Optimized monitoring, maintenance and emergency response to avoid all kinds of unexpected events in the city.
Third, optimize the building of the "most basic unit of life in the city" point of view. Through the application of BIM in the whole life cycle of buildings, it promotes green and low-carbon development of buildings, reduces damage to the environment and reduces various extreme climates. "If different buildings are the organs of the city, BIM technology is the fresh blood that ensures the healthy functioning of various organs," said Wang Shanshan, general manager of BIM at the Internet service provider for the construction industry. Each project in the sponge city construction is an important part of this city's new life, and pre-built in the computer by BIM technology and pushed to the scene through the "three ends and one cloud" technology to guide the actual construction. The most simple and efficient construction steps. At the same time, BIM-based platform enables management of building energy consumption and environmental monitoring and other operation and maintenance to ensure further coordination between construction and urban environment.
Sponge city and underground integrated pipelines
Sponge city core in the "sponge hole" between the channel, restored to urban construction is the city's water storage facilities and water supply and drainage systems - integrated underground profile.
In addition to water storage and drainage, the integrated underground pipelines also integrate various engineering pipelines such as electric power, communications, gas and heat supply and are important infrastructure and "lifeline" for urban operation. They have the following features: highly concentrated pipelines, Prosperous, large subsidiary systems and other characteristics.
Sponge city construction and construction of underground pipe gallery complement each other is an important part of the new urbanization. By using BIM technology, the layout of underground pipelines can be more accurate. Using BIM technology to simulate scenarios and deepen the design, pipeline integration, resource allocation and schedule optimization can avoid design errors and construction rework, and achieve good economic and construction benefits .
(1) The construction of underground integrated corridors is mostly for underground work. For the construction of special parts or special components, the dynamic construction process simulation can be carried out by using BIM technology to provide the basis for the selection of construction plans.
(2) With BIM technology, all the information related to the proposed underground integrated corridor will be input into the information model for visual presentation. At the same time, a platform for information exchange will also be created. All participants can Which access to the appropriate authority, such as information extraction, modification, entry and so on.
(3) Through the information collection, processing and modeling of the integrated underground pipe gallery during the design phase and the construction phase, a complete and real-time operation information system is provided for the subsequent operation and management to ensure the accurate positioning of pipelines in the pipeline corridor operation and maintenance The correctness of obtaining information of pipelines and the timely response of emergency plans.
In order to create a "sponge city," we should take a spontaneous and spontaneous approach under the scientific planning and according to local conditions and taking measures that are in line with our own characteristics. We look at the world what are the advanced practices?
Germany: Efficient water catchment balance ecology
Benefit from the developed underground pipe network system, advanced integrated utilization of rainwater and rational planning of urban green space construction, the German "sponge city" construction quite fruitful.
German city underground pipe network developed degree and sewage capacity in the world leader. German cities have modern drainage facilities that not only efficiently drain sewage but also function to balance urban ecosystems. Taking the German capital Berlin as an example, the total length of underground waterways is about 9,646 km, some of which are nearly 140 years old. Most of the pipes distributed in the center of Berlin are mixed
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