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一、前言《大模板多层住宅结构设计与施工规程》(JGJ20—84),经城乡建设环境保护部批准为部颁标准,从一九八五年二月一日起试行。十多年来,国内各地区在大模板多层住宅工程实践和试验研究等方面做了大量的工作,为发展和完善这种住宅建筑结构体系奠定了基础。实践证明,大模板施工工艺具有工业化程度高,施工技术易掌握,周期短,工程造价较低,结构抗震性能良好等优点,是一种很有发展前途的工业化住宅建筑体
I. Foreword: “Design and Construction Regulations for Large Formwork and Multistory Residential Structures” (JGJ20-84), approved by the Ministry of Urban and Rural Construction and Environmental Protection as a ministerial standard, implemented on February 1, 1985. For more than a decade, various regions in China have done a lot of work in the practice and experimental research of large formwork multi-storey residential buildings, laying the foundation for the development and improvement of this residential building structural system. Practice has proved that the large formwork construction process has the advantages of high industrialization degree, easy to grasp construction technology, short cycle, low construction cost, good structural earthquake resistance, etc. It is an industrialized residential building with promising development.