In recent years, Shaanxi Province has vigorously developed the prefabricated building industry.，It also attaches great importance to the coordinated development of intelligent construction and new building industrialization.。2020，Under the guidance of relevant departments in Shaanxi Province，Sany Construction Engineering, together with Northwest Design Institute of Chinese Architecture and Xi'an University of Architecture and Technology, is the chief editor.《Technical specification for precast monolithic composite concrete structures》（DBJ 61/T 183-2021），It was officially released and implemented in April 2021.。This standard is an important supplement to the technical standard system of prefabricated buildings in Shaanxi Province.，It makes up for the absence of vertical structure system for a long time.，To promote the comprehensive development of assembly industry in Shaanxi Province，It has direct effect and important significance.。
In order to deeply understand the current situation of practice and industrialization since the second anniversary of the implementation of the standard.，July 5，Invited by Trinity Construction，Chief Editor: Yang Qi, Chief Engineer of China Northwest Architectural Design Institute、Xin Li, Deputy Chief Engineer and Director of Structure Professional Committee、Fourteen experts from the Structural Professional Committee and 11 experts from the Structural Professional Youth Work Department went to Sany Construction Xi'an Company.，Conduct research on prefabricated building projects under construction and production and manufacturing bases，The second anniversary of the implementation of the technical regulations was discussed.。
Experts visited Poly Sany Cloud City successively.SPCSProject of composite shear wall structure system、Sany Smart Decoration Industrial ParkSPCSLaminated Frame Column Project and Xi'an CompanySPCSManufacturing production base，And just《Technical specification for precast monolithic composite concrete structures》Practice of prefabricated projects under the guidance andSPCSThe technical system was discussed in depth.。
Sany Cloud City Project covers an area of about 370,000 square meters.，It is the first large-scale application in Shaanxi ProvinceSPCSProject of technical system，Its main function is commercial housing.，The structure is a composite shear wall structure.，The assembly rate is the national standard 50%-70%。
Then the experts came to Sany Intelligent Industrial Park.，The canteen and dormitory buildings in the park adopt respectivelySPCSComposite frame structure and composite shear wall structure system，Wherein the dormitory building is applied“Full external wall prefabrication+Floor slab formwork cast-in-situ+In-plane operation”And other series of technologies。
After the completion of project site investigation，The experts visited Sany Construction Xi'an Company.SPCSProduction base，Focus on researchSPCSProduction process and quality control standards of cavity components, etc.，The production base passed“One piece, one yard”The whole process management and control of component production is realized.。
Discussion session，Tong Ning, general manager of Sany Construction Engineering West China Region, reported to the experts on the business layout and development of Sany in Shaanxi Province.，Chief Engineer Ma Yunfei shared the new research and development achievements and application cases of Sany Construction in recent years.。Both sides are against《Technical specification for precast monolithic composite concrete structures》Application in Shaanxi province、Extension and supplement of industrial chain、The future development trend and the areas of cooperation between the two sides were discussed warmly.。
Yang Qi, chief engineer of China Northwest Architectural Design Institute, said.，“This technical regulation has successfully solved the safety problem of the whole structure in the high intensity fortification zone.，Moreover, the convenience of the implementation of the technical regulations is proved by the actual project.，Sany Construction is based on its strong industrial background.，Set an example for the development of the industry，It is hoped that both sides will strengthen cooperation.，Cooperation not limited to structural technology，We can also have greater cooperation in scientific research innovation and transformation of achievements.”。
Xin Li, Deputy Engineer and Director of Structural Professional Committee of Northwest Architectural Design Institute of China, said.，“This technical regulation has been applied in batches in Shaanxi.，The next step should have greater prospects for development.，The two sides should strengthen docking and cooperation.，To further enhance the practical ability of design and the transformation of industrial benefits，Strengthen research on standardization of products and household types，Strengthen the exploration and research on design guidance and construction scheme optimization.，Further clarify the implementable path”。
Experts attending the meeting aimed at the core technical points of the technical regulations.、Production process、The construction technology and the future development trend are discussed.。
Both sides said，In the future, we will carry out exchanges and cooperation with a more open attitude.，Give full play to their respective advantages，Promote the high-quality development of the provincial assembly construction industry。
