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    當前位置:首頁>新聞資訊>輕鋼建筑房屋的經濟效益評價指標!

    輕鋼建筑房屋的經濟效益評價指標!

    來源:http://www.syckfeed.com 日期:2020-01-31 發布人:admin
    當前國內輕鋼建筑上部結構造價在總體上尚略高于傳統的磚、混結構,這是影響部分業主或投資者選用的一個原因。實際上只關注這一點是片面的,上部結構造價占工程總投資的比例很小,其采用不同建筑形式引人的差價則更小。不應以此單一因素為結構材料選擇的決定性因素按現代的觀點,輕鋼建筑綜合經濟效益評價指標至少要包含以下方面:總投資成本、期、建筑的適用性、環保因素、人文社會環境因素等。
    At present, the cost of light steel superstructure in China is slightly higher than that of traditional brick and concrete structure, which is one of the reasons that affect the selection of some owners or investors. In fact, it is one-sided to only pay attention to this point. The cost of superstructure accounts for a small proportion of the total investment of the project, and the price difference caused by different building forms is smaller. The single factor should not be taken as the decisive factor in the selection of structural materials. According to the modern point of view, the comprehensive economic benefit evaluation index of light steel buildings should at least include the following aspects: total investment cost, investment return period, applicability of buildings, environmental protection factors, human and social environmental factors, etc.
    這里特別討論輕鋼建筑房屋結構的防火問題。鋼結構防火主要采用防火涂料、發泡防火漆、外包防火層(較少使用)等措施.本質上是一種火險發生后避免因建筑主結構破壞而引起重大財物損失的措施。國外主要使用厚涂型不燃性無機涂層,時效厚度指標可達4h/50mm,國內偏向于使用厚度3~7mm的薄涂型防火漆,耐火時效0.5~1.5h。當前的防火成本過高,效果卻不很理想。本文認為,有必要就因強制性的防火標準的實施而導致的整個輕鋼建筑市場的成本增加量與平均火災率下的總損失量進行統計分析和比較。
    濟南住人集裝箱租售
    This paper discusses the fire protection of light steel building structure. The fire prevention measures of steel structure mainly include fire-proof coating, foam fire-proof paint, and external fire-proof layer (less used). In essence, it is a measure to avoid major property loss caused by the damage of main structure of building after the occurrence of fire risk. The foreign countries mainly use thick coating type non combustible inorganic coating, the aging thickness index can reach 4H / 50mm, the domestic prefer to use thin coating type fireproof paint with thickness of 3-7mm, and the fire resistance aging is 0.5-1.5h. At present, the cost of fire prevention is too high, but the effect is not ideal. In this paper, it is necessary to make a statistical analysis and comparison between the cost increase of the whole light steel construction market and the total loss under the average fire rate due to the implementation of mandatory fire protection standards.
    若后者較小,對通常的輕鋼建筑不宜做嚴格的要求,可以在選材上適當考慮,如盡量采用不燃性隔熱保溫或裝飾產品,選用具備一定阻燃性能的防腐涂層等,同時要求業主采取嚴格的防火安全管理措施。另外,可按防火成本的一定比例向業主收繳費用以成立火災補償基金,既可降低總成本,又能風險分擔,比較合理。
    If the latter is small, it is not suitable to make strict requirements for ordinary light steel buildings, and proper consideration can be given to the selection of materials, such as using incombustible heat insulation or decorative products as far as possible, selecting anti-corrosion coating with certain fire-retardant performance, etc., and requiring the owner to take strict fire safety management measures. In addition, the fire compensation fund can be set up by collecting fees from the owner according to a certain proportion of the fire protection cost, which can not only reduce the total cost, but also share the risk, which is more reasonable.

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