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郭黎阳 《中国建筑金属结构》2007,(11):16-18
建筑越来越透明,玻璃的应用越来越广泛,建筑用防火玻璃由于具有普通玻璃无可比拟的通透性与耐火性双重功能而日益广泛地运用在建筑工程中。然而,防火玻璃的应用不是孤立的,它需要与 相似文献
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防火玻璃框架系统是主要由防火玻璃、钢制耐火框架和防火密封材料组成,在一定时间内满足耐火稳定性和(或)隔热性要求的非承重系统,主要包括防火玻璃门、防火玻璃隔墙、防火玻璃窗和防火玻璃幕墙.目前国内尚无完整的针对该体系的国家级规范.结合欧洲相关规定和技术论述防火玻璃框架系统的设计和应用. 相似文献
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防火玻璃系统技术对于建筑防火至关重要,本文阐述了防火玻璃的应用现状、幕墙及门窗的系统防火技术,并重点介绍了防火玻璃幕墙在上海中心大厦的应用情况。 相似文献
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在目前建筑工程中,消防工程是一项重要组成部分,消防工程的重要程度已经得到了广泛的关注和认可。在建筑消防工程中,防火玻璃作为一种新型的消防材料,得到了广泛的应用。在一些特定的建筑中,为了达到防火隔热的效果,经常会使用防火玻璃作为防火分隔材料。防火玻璃以其阻燃性和隔热性以及美观性,在建筑物中发挥了重要作用,目前已经成为我国建筑中主要的防火材料之一。为了更好的了解防火玻璃的特性,并在建筑消防工程中加以充分利用,我们需要对防火玻璃的特性和应用前景进行深入的研究和分析。本文主要分析了目前防火玻璃的种类和特点,并研究了防火玻璃在建筑消防工程中的应用情况,对防火玻璃的未来应用前景做了简单探讨。 相似文献
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In this paper, the authors present the multi-criterion stochastic optimal selection of a double glazing system for a given office building. Four elements are required for a multi-criterion stochastic optimal design: an accurate and fast simulation model, an optimization solver, correct handling of the multi-criterion decision problem, and consideration of the stochastic performance quantification. Since stochastic optimal design is a double-exponential problem, the Gaussian Process (GP) emulator, as a surrogate to EnergyPlus, was used to achieve computational efficiency. The GP emulator was derived based on the training set generated from EnergyPlus simulation runs. A genetic algorithm and Pareto optimality were then applied to deal with the multi-criterion optimization. Stochastic performance quantification was performed using a stochastic objective function and Latin Hypercube Samplings (LHS). Using the aforementioned four elements, the authors realized the multi-criterion stochastic optimal design of a double glazing system. The differences in the mean values of energy consumption and PMV between EnergyPlus and both GP emulators are 0.27 (kWh/m2) and 0.16 (kWh/m2), respectively, and 0.01 and 0.00, respectively. In addition, 13 non-dominated Pareto optimal solutions were successfully obtained. The approach presented in this paper improves computation efficiency for a multi-criterion stochastic optimal design problem and contributes to higher-fidelity simulation-based decision making. 相似文献
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Present firesafety measures were conceived to deal with hypothetical fires spreading by destruction of successive compartment boundaries. A new firesafety system, referred to as the fire drainage system, is designed to cope with real-world fires spreading mainly by convection. It confines fire and smoke to the room of origin and to a small corridor element adjacent to the room. The system can be designed to operate without the use of water and electric energy. The fundamentals of its design are described and some experimental information is presented.
Reference: T. Z. Harmathy and I. Oleszkiewicz, Fire Drainage System,Fire Technology, Vol. 23, No. 1, February 1987, p. 26.This paper is a contribution from the Institute for Research in Construction, National Research Council of Canada. 相似文献
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Richard A. Behr Joseph E. Minor 《The Structural Design of Tall and Special Buildings》1994,3(3):143-161
A focused survey of glazing system behavior in multi-story buildings in the direct aftermath of Hurricane Andrew was conducted. Seventeen buildings and four building complexes were examined between 26 August and 30 August, 1992. The buildings surveyed spanned a 32 km (19 mile) distance from Miami on the north to Cutler Ridge on the south. With few exceptions, glazing systems performed poorly and damage to building contents was extensive. The following specific observations were made: (1) impacts from windborne debris were a dominant cause of glass failure; (2) wall system anchorages sometimes failed; (3) prevention of ‘blow-through’ after internal pressurization significantly mitigated storm damage to building interiors; and (4) outer-lite-only failures occurred on some insulating glass units. Results of the survey underscore the vital importance of maintaining the integrity of a building envelope during a severe windstorm. Windborne debris must be considered in the design of architectural glazing systems, as must proper anchorages of glazing systems to building framing members. 相似文献
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E. Meert 《Building Research & Information》2013,41(5)
The publications of the Belgian CSTC (Centre Scientifique et Technique de la Construction) include technical information notes which virtually serve as codes of practice. One such is NIT 113 dealing with all aspects of glazing. This article, specially prepared for the Journal by the principal engineer in the CSTC research section, who acted as secretary to the responsible committee, summarises a document which presents much detailed practical information which should interest a wide audience. The 68-page document itself is available in French and Dutch from CSTC, 41, rue du Lombard, 1000 Brussels, Belgium. 相似文献
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Steady natural convective airflow in a novel type glazing system with integrated semi-transparent photovoltaic (PV) cells has been analyzed numerically using a stream function vorticity formulation. Based on the resulting numerical predictions, the effects of Rayleigh numbers on airflow patterns and local heat transfer coefficients on vertical glazing surfaces were investigated for Rayleigh numbers in the range of 103 ≤ Ra ≤ 2 × 105. Significant agreement for the Nusselt numbers was observed between numerical simulation results in this study and those of earlier experimental and theoretical results available from the literature. In addition, the effect of air gap thickness in the cavity on the heat transfer through the cavity is evaluated. The optimum thickness of the air layer in this research is found to be in the range of 60–80 mm. This novel glazing system type could not only generate electricity but also achieve potential energy savings by reducing the air conditioning cooling load when applied in subtropical climatic conditions and simultaneously provide visual comfort in the indoor environment. 相似文献
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随着科技的进步 ,用于火灾报警与消防联动的器材和系统 ,越来越具有智能化的特征。微电子技术、检测技术、自动控制技术和计算机技术广泛应用到消防领域 ,使火灾探测技术、自动报警技术、消防设备联动控制技术、火灾监控系统等有了飞速的发展。消防系统已从过去简单、被动的体系演变为今天自动探测、自动报警的智能系统。实践证明 ,性能良好的消防系统可以防患于未然 ,成为现代建筑物不可缺少的安全保障。但由于各种因素的影响 ,建筑中由于消防系统安装不合理而造成危害的案例屡见不鲜。本文试图就建筑物的消防系统进行初步的探索。 相似文献