工程技术与计量(土建)第1讲（Engineering technology and measurement (civil engineering) 1）.docVIP

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工程技术与计量(土建)第1讲（Engineering technology and measurement (civil engineering) 1）.doc

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工程技术与计量(土建)第1讲（Engineering technology and measurement (civil engineering) 1）

工程技术与计量(土建)第1讲（Engineering technology and measurement (civil engineering) 1） Agricultural construction refers to all kinds of houses used for agricultural production such as seed Banks, tractor stations, etc I. classification and composition of industrial and civil construction projects (1) classification of industrial buildings 1. Layer by layer (1) single floor workshop. Metallurgical, heavy and medium mechanical industries are commonly used. (2) multi-storey factory. The usual number of layers is two - six. Used for: food, electronics, precision instrument industry. (3) a mixed-use workshop. Used for: chemical, thermal power station. 2. There are six items for use. 3. According to the number and direction of span: single - span plant, multi-span workshop, and intersecting plant 4. Scale according to span (1) small span. A single-storey industrial plant with less than or equal to 12m. The structure of this type of plant is mainly masonry structure. (2) large span. A single-storey industrial plant with 15-36m. Among them, 15-30m are mainly reinforced concrete structures with a span of 36m and more than 36m, mainly steel structure. According to the production status: cold processing workshop. Hot processing workshop. Constant temperature and humidity workshop. Clean workshop. Other special conditions workshop. . (2) the composition of single-storey industrial plants The structure composition of single-storey industrial buildings is generally divided into two types. Wall bearing structure is the load-bearing structure of brick and brick wall. Skeleton load-bearing structure is a load-bearing structure consisting of reinforced concrete member or steel member. The skeleton of the factory is composed of the following components, and the wall only ACTS as the enclosure. 1. Roof structure Including roof panels, roof frames (or roof beams) and skylights, bracket, etc. Roof beams (roof beams) are the main load-bearing components of the roof structure. The roof beams are on