THE TOLERANCE STANDARD FOR PREFABRICATED BUILDINGS IN CHINA BASED ON PROBABILITY STATISTICS
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摘要: 为推动建立适用于我国的装配式建筑公差理论体系,在分析国际标准化组织有关建筑公差标准体系相关内容的基础上,基于概率统计理论,提出装配构件尺寸可变性作为公差或偏差分析的基本假定,并分析建筑公差计算公式的几何意义和空间关系,给出了确定部品部件目标尺寸的方法,同时也给出了有关组合件偏差分配的计算流程和方法,从完善我国工业化建筑公差体系的角度出发,论述了目前国际标准公差应用的有效性和应用价值,给出了完善我国工业化建筑公差体系的建议。Abstract: In order to promote the establishment of the tolerance theory system for prefabricated buildings suitable in China, the paper focused on the analysis of the relevant contents of the tolerance standard system provided by the International Organization for Standardization. Based on the theory of probability and statistics, the variability of the dimensions of assembly components was proposed as the basic assumption of tolerance or deviation analysis, the geometric significance and the spatial relationship of the tolerance calculation formula of buildings were analyzed, the method for determining the target dimensios of assembly components was propesed, and the calculation process and method of deviation distribution were given. From the perspective of perfecting the tolerance system of industrialized buildings in China, the paper discussed the validity and application value of current international standard tolerance. The suggestions for improving the tolerance system of industrialized buildings in China were also put forward in the paper.
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刘鹏, 陈颖, 罗小勇,等. 装配式建筑混凝土构件公差控制国内外标准分析[J]. 建筑科学与工程学报,2018,35(6):41-49. ISO.Tolerances for Building-Part 1:Basic Principles for Evaluation and Specification:ISO 3443-1[S]. Switzerland:International Organization for Standardization,1979. ISO.Tolerances for Building-Part 2:Statistical Basis for Predicting Fit Between Components Having a Normal Distribution of Sizes:ISO 3443-2[S].Switzerland:International Organization for Stan-dardization, 1979. ISO. Tolerances for Building-Part 3:Procedures for Selecting Target Size and Predicting Fit:ISO 3443-3[S].Switzerland:International Organization for Standardization, 1987. ISO. Tolerances for Building-Part 4:Method for Predicting Deviations of Assemblies and for Allocation of Tolerances:ISO 3443-4[S]. Switzerland:International Organization for Stan-dardization, 1986. ISO. Tolerances for Building-Part 5:Series of Values to be Used for Specification of Tolerances:ISO 3443-5[S]. Switzerland:International Organization for Standardization, 1982. ISO. Tolerances for Building-Part 6:General Principles for Approval Criteria, Control of Conformity with Dimensional Tolerance Specifications and Statistical Control-Method 1:ISO 3443-6[S]. Switzerland:International Organization for Stan-dardization, 1986. ISO. Tolerances for Building-Part 7:General Principles for Approval Criteria, Control of Conformity with Dimensional Tolerance Specifications and Statistical Control- Method 2(Statistical Control Method):ISO 3443-7[S]. Switzerland:International Organization for Standardization, 1988. ISO. Tolerances for Building-Part 8:Dimensional Inspection and Control of Construction Work:ISO 3443-8[S]. Switzerland:International Organization for Standardization, 1989. 中华人民共和国住房和城乡建设部.建筑模数协调标准:GB/T 50002-2013[S].北京:中国建筑工业出版社,2013.
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