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Requirements of the project in accordance with the annual climate weather conditions to make the library of heating, ventilating and air conditioning engineering 4D BIM project implementation plan, the program should in accordance with design specifications and technical measures of the requirements (including professional design, energy-saving design specifications, code for fire protection design and technical measures, etc.) to carry on the design. Design should be combined with the location of the project of natural geographical environment, function and characteristics of, meet the requirements of environmental protection and energy saving, to design a building central air conditioning system (warm and cold) and on the air conditioning design of energy-saving evaluation analysis, the BIM modeling software for three dimensional expression, and add the construction progress of the each step of the design. The design scheme requires that the knowledge points should be representative and advanced.
The design content mainly includes the cooling and heating load calculation, determination and system and hydraulic calculation of air-conditioning system, air conditioning cold and heat source design, pipe insulation and drawings, 3D BIM modeling and import construction schedule to complete the final 4D BIM design projects. By the book reading area, office, meeting room, atrium, affiliated with room and equipment room, a few parts, through calculation, summer cooling load index for 144.86W/ square meters of the library, a total of six layers use the floor.
Library is a public building, the flow of people is relatively large. According to the use function of the library, the room heat capacity is small, the change of the outdoor air temperature will affect the indoor indoor, and the indoor temperature is more obvious. The change of air conditioning load in the surrounding area and the direction of the room has a great influence on the internal load. In general, heating in winter and cooling in summer are needed. For small office and meeting room not distinguish between inner, outer, air conditioning system with fan coil plus fresh air system or frequency variable refrigerant flow of VRV system. For the auxiliary room and equipment room air conditioning choice, we designed two sets of air-conditioning system program: (1) VRV multi link unit (2)all-air, primary return air system. Because the atrium and pipe shaft is a closed atrium, the average temperature fluctuation is small, so the air conditioning system is not set up.
Through to the 4D BIM design, deepen understanding of building air-conditioning professional knowledge, skilled use of drawing skills, learning of BIM drawing and develop an understanding of the cognitive, understand the basic methods of scientific research in the professional field, culture independent analysis of issues, learning ability to solve practical problems by BIM software, after graduation engaged in HVAC professional work to lay a solid foundation.
目录
1 绪论 1
1.1 设计目的 1
1.2 设计依据 1
1.3 设计要求 1
1.4 设计内容 2
1.4.1 空调方案的设计 2
1.4.2 设计图纸 2
1.5 4D BIM 施工管理系统的应用功能 3
1.6 4D BIM的发展状况 3
2 暖通空调4D BIM施工进度设计 6
2.1 BIM技术的基本应用 6
2.2 4D BIM在工程上的引入 7
2.2.1 4D BIM模型的信息支撑 7
2.2.2 BIM在4D领域的应用概括 7
2.3 BIM技术应用在中国的状况 8
2.4 4D BIM 在工程应用上的简单操作流程 8
2.4.1 4D BIM 操作的基本流程 8
2.4.2 Revit基本操作界面 10
3 工程概况 11