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钢结构建筑的设计与施工现已有不少规范和标准

发布时间:2015-10-16 10:11:53 浏览次数:603
1、设计规范需完善我们在2001年开发钢结构高层住宅中,首先遇到设计上的问题。当时《钢结构住宅技术总导则》、《钢框架―混凝土核心筒住宅技术导则》还在编制中,由于规范的选用不同,在设计过程中我们召开了多次专家论证会。虽然专家们给予了首肯,但专家论证会意见并不能当作技术导则运用。在审图时又遇到了按什么标准审的问题。就这样,一个小船多次搁浅,几经推拉才正式起航。因此我们感到要发展钢结构住宅,其规范必须先行,而且规范一定要适应钢结构住宅各种结构体系的发展,否则要推广钢结构住宅体系是相当困难的。
2、选择合适的防火措施钢在高温下强度会下降的特性,决定了钢结构住宅必须考虑防火问题,由于是居民住宅楼,在建设投入使用后,如何保护好防火材料也是一个很大的问题,因此作为钢结构住宅来说需要寻找一个恰当、合理的防火措施,以确保居民入住后的整体安全。我们在两个项目中尝试了多种防火处理方案,例如用防火板、用C20砼、用防火涂料,用ALC板等等,并根据不同场合、不同要求,选择不同的施工方案,为制订合理的、可行的防火措施作了大量探索。

3、外墙围护尚需研究钢结构住宅的结构体系是以钢材为主,而用于钢结构住宅的外墙材料要求质轻、防水、防裂、易施工、价格适中,因此选择配置外墙围护材料,关系到结构的设计,关系到产品质量的保证,关系到对用户的负责。选择何种材料用于钢结构高层住宅比较适宜,这是关系到钢结构住宅大力推广应用的大问题。本着钢骨柔情的宗旨,我们对此进行了调研,下决心:一定要做好建筑的保温和防渗漏工作。外墙用何种材料、砌块?挂板?哪家产品?技术人员对可用外墙轻质材料的防水、保温进行反复比较,甚至在工地进行24小时不同强度的喷淋试验,对材料供应单位和配套施工单位提供的方案反复讨论,还非常注重门窗与外墙结合处的处理等,要求在工艺上和材质上决不渗水。实践也告诉我们,在这方面我国的研究和材料供应还较为滞后,尚需进一步发展完善。



1, design specification to perfect our steel structure high-rise residential development in 2001, the first encounter the problem on the design. When the steel structure housing technical guidelines for the total, the steel frame - reinforced concrete core tube residential technical guidelines "is still in preparation, the selection of the specification is different, in the design process we convened expert discussion meeting for many times. Although experts gave the nod, expert discussion meeting and cannot be used as a technical guideline. When the plan approval and problems met by what standard trial. In this way, a small boat ran aground for many times, after several push and pull not formally set sail. So we feel for developing steel structure housing and its specification must come first, and the specification must adapt to the development of all kinds of steel structure residence structure system, to promote the steel structure housing system is quite difficult.

2, select the appropriate fire prevention measures the characteristics of steel at high temperature strength will decline, decided the steel structure housing fire problem must be considered, because it is a residential buildings, the building after put into use, how to protect good fireproof material is also a big problem, so as the steel structure housing, need to find a proper and reasonable fire prevention measures, to ensure the safety of residents in whole. We tried a variety of fire prevention in the two projects treatment scheme, such as fire retardant coating with fire prevention board, with C20 concrete, with, with ALC board, etc., and according to the different situations, different requirements, choose different construction schemes, to make the reasonable and feasible fire prevention measures for a large amount of exploration.

3, exterior wall enclosure still need to study the structure of the steel structure housing system in steel is given priority to, and used for the outer walls of the steel structure housing material requirements is qualitative light, waterproof, anti-cracking, easy construction, moderate price, so choose configuration retaining wall material, related to the design of the structure, related to the guarantee of product quality, related to responsible for the user. Choose what kind of material is used for steel structure residential building is good - this is related to the popularization and application of the steel structure housing vigorously big problem. In line with the aim of steel bone tenderness, we carried out research, resolved: be sure to do a good job building insulation and prevent leakage. With what kind of wall material, block? Hangs Taiwan? Which products? Technical personnel available for waterproof, thermal insulation of external wall lightweight materials are compared, and repeatedly even in site for different intensity of spray test for 24 hours, to the material supply of supporting units and construction units to provide solutions discussed repeatedly, and also pay more attention on the processing, etc., for doors and Windows and walls attaches not ooze water requirement on craft and material. Practice also tells us, in this respect our country's research and material supply is relatively lagging, it remains to be further developing.




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