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[dry goods] depth! Discussion on the key problems affecting the design of precast buildings

The organizational structure of the design department should first fully consider the effective transmission of horizontal information on the basis of the linear functional framework; Secondly, according to the design characteristics of the whole process of precast buildings, the organizational structure of traditional design should be optimized and the organizational system should be opened, so that the design members can have the overall thinking of the project, allow differences, knowledge sharing and collaborative development; At the same time, pay attention to flexible management and encourage designers to think and grow in project decision-making through appropriate authorization.

On November 17, 2016, the Ministry of housing and urban rural development – JZH [2016] No.

247 notice: Provisions on the depth of preparation of construction engineering design documents (2016 version) shall be implemented as of January 1, 2017, and the original provisions on the depth of preparation of construction engineering design documents (2008 Version) shall be repealed at the same time.

This will inevitably lead to difficulties in process design and component production, and the cost remains high.

(2) All design tasks of the whole project shall be completed independently by a design unit.

Therefore, the whole project must not be designed according to the traditional design method and handed over to the process design unit or PC component manufacturer after the drawing is designed according to the cast-in-situ method.

Each design institute is divided into several project teams with the discipline leader as the unit.

The scientific splitting of components is the core link of the standardized design of precast buildings..

This is bound to cause major technical accidents and bring immeasurable economic losses to the whole project.

This paper briefly introduces the technical problems to be considered in the process of precast architectural design from eight aspects: organizational structure, design process, design depth, component splitting, node design, detail design, drawing review and cost control.

The precast building must be led by the design unit and implement the whole design process (from scheme design to component deepening design).

Precast building is still in its infancy in China.

The design managers of many construction units do not understand the significance of implementing precast building in essence, so they often put forward some difficult requirements.

287 issued the notice on “key points for technical review of construction drawing design documents of precast concrete structure building engineering”.

Without fully considering mold processing, component production and on-site construction, it will be all right to design the whole project according to the cast-in-situ method and hand it over to the process design unit and construction unit.

For the daily management of the company, a linear functional framework is adopted, and the transmission of rules and regulations, work instructions and other information is the most direct and effective.

Precast buildings are still in the early stage of development in China, and the requirements of competent construction departments and various types of customers are also complex and diverse, which puts forward higher requirements for the innovation of architectural design and technical services.

A good organizational structure should make every designer clear: “who should I go to when I have a problem?” “To whom am I responsible?” Figure 1 shows a typical organizational structure of a precast architectural design company.

On December 15, 2016, the Ministry of construction – JZH [2016] No.

In addition, the traditional design institute does not have the accumulation and precipitation of a large number of assembly design projects and lacks the overall thinking of design projects.

Figure 2 takes a design project as an example, briefly introduces the specific process of project promotion, and lists the key points of each stage.

Click the blue word to pay attention to our precast architectural design, which not only needs the professional knowledge of precast architecture, but also needs to fully understand the different stages of the whole project and the close cooperation of various departments and disciplines.

Organizational structure domestic exploration and design enterprises are facing more and more fierce market competition.

▲ Figure 2 ▲ design process of precast building construction drawing design depth at present, there are two modes in the design process of precast building: (1) all drawings from scheme stage to construction drawing stage are designed and reviewed by traditional design institute according to cast-in-situ method, and then submitted to process design unit or PC component manufacturer for further design.

For example, drawing problems have increased significantly, it is difficult to communicate and modify construction drawings in the early stage of process design, it is difficult to realize standardized design, the project cost remains high, the difficulty of component mold design and component production has increased, and the construction process has increased.

In order to lay a foundation for the majority of designers to deeply understand the overall framework and ideas of precast architectural design.

The design process of precast buildings is an interactive process of architects, structural designers, plumbing and electrical designers, decoration designers, process designers, factory technicians, construction technicians and other departments and disciplines.

According to the workload of the project, the director determines the number of designers and selects the designers.

In order to avoid these problems, the Ministry of housing and urban rural development issued two consecutive notices in 2016, which clearly stipulated the design depth of drawings at each design stage in the design process and the review points of construction drawings by the drawing review unit.

For specific design projects, project leaders and principals of various disciplines are set to realize the effective transmission of horizontal information and the collaborative design of various disciplines at various stages.

As a highly unstable industry, the system, policy and cultural differences of various regions and industries have a great impact on the development of the industry.

▲ Figure 1 ▲ the design process of the organizational structure of a typical design institute is very challenging to complete a high-quality cast architectural design according to the needs of customers.

See Figure 3 for details.

Elephant Foot Ferrule

▲ Figure 3 ▲ the Ministry of housing and urban rural development issued a notice on the depth of drawings and drawing review requirements.

So how to realize the efficient operation of the design team and how to define the work responsibilities of each department? This requires a scientific and reasonable design process and the standardization of the design process.

It is not an additional link of design.

The design members of the project team are not fixed.

We also mentioned the possible problems of the former model.

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