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Staggered truss system under vertical load of truss Economy

■ steel truss span summary (with Q:; 4s steel) trusses economic span of 2.3 'from the calculation results, the time when the truss span 15m steel weight per square meter minimum range in the general civil span (12.9 ~ l6.5m) in a more balanced volume of steel trusses, the design can be used as an economic l3.5 ~ 15.9m span. ∞ ∞ mO a Ⅲ. Yap \ ■ device maker stained 20o7 other in February Fu Tao staggered truss system under vertical load of 213 truss economy economy staggered truss system truss truss spacing of 3.1 selected examples of economic spacing of a 15m span truss Pin , bar layout and dimensions as shown in Table 1 truss 7. Assuming the load the same as above 2.1, generally considered the housing bay (ie, truss spacing) range of 3.6-7.2m, according to the law 6O0mm increments, a total of 7 specimens of truss design calculation, the results are summarized in Table 4 . Comparison of the results shown in Figure 3. Plant \ / \ / ', / 3.64.24.85.46. o6.67.2 truss spacing / m Fig 3 Comparison of interval volume of steel truss under different Q from Table 4 summarizes the amount of steel truss (adopt Q235 steel) trusses economic spacing of 3.2 calculated from the above results, the lattice spacing per square meter steel truss little effect on the amount, within the general civil bay more balanced volume of steel truss design can be used as an economic space 4.56m. 4 Conclusion This paper studies the effect of vertical load economy staggered truss system truss span and spacing, comparing the design results show that the staggered truss system of steel trusses used in the time span of the housing suitable for the width of truss design and construction requirements are basically the same _ about 14-16m, the truss spacing is a reasonable range of vertical spacing wide (3.6-7.2m), to meet the design requirements of different construction. The results of this study apply to the staggered truss structural system actually works has some reference value. References: '[1] Xu Hongsheng. Xu-Hong Zhou,[link widoczny dla zalogowanych], Yong-Jian Liu. Staggered truss structural system design point. [J]. Building Structures, 2004,34 (5). [2] Yin Zhiming, Zhou Xu Hong, Xu Hongsheng. Steel staggered truss structural system in residential applications [J]. Building Technique Development. 2003.30 (1). [3] Zhang wind. Zhang Xiaoling. Residential Design and Construction of Steel (version 1) [M]. Beijing: China Building Industry Press, 2003. [4] GB50096-1999, Residential Design Code [s]. [5] JGJ62-90. Hotel building design [s]. [6] JGJ67-89, office building design [s]. [7] Yong-Jian Liu. Wang Zhilan. Fu Tao. Various truss staggered truss system performance analysis and comparison of the form [J]. Engineering design and construction, 2004, (6). [8] GB50009-2001, building structures regulate [s]. [9] Shang Xiaojiang, Qiu Feng, Zhao Haifeng and so on. ANSYS finite element analysis methods and examples of advanced applications (version 1) [M]. Beijing: China Water Power Press. 2005. Blind design of large public buildings against international tender January 10, 2007, the Ministry of Construction, Development and Reform Commission,[link widoczny dla zalogowanych], Ministry of Finance, Ministry of Supervision, the Audit Commission jointly issued the \\Organization of international bidding, must \Cases from around the world that currently some large public construction projects exposed many problems to be solved, including the disregard of national circumstances and financial resources, one-sided pursuit of shape, ignoring the city and other local features, history and culture. According to , the number of large public construction projects,[link widoczny dla zalogowanych], size and standard with the national and regional economic development level,[link widoczny dla zalogowanych], the program must be designed to meet the block where the relevant provisions of the regulatory plan, large public building design should pay attention to protection and reflect the city's history and culture, features and characteristics. also provides major new public buildings to strictly enforce the \acceptance of filing procedures. It is understood that generally refers to a large public building construction area of more than 20,000 m2 of office buildings,[link widoczny dla zalogowanych], commercial buildings, travel architecture, building science, education, communications, construction and transportation space. (Seriously) 2O8642O chu; Chang shot a Ⅲ. Respect \ Carpenter opium in one fell swoop
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