為了減輕重量還可以采用鋁合金電纜和玻璃鋼橋架,其外形尺寸， 荷載特性均與鋼質橋架基本相近,由于鋁、鋼比重不同(A1=2.7,Fe=7.86， 按重量計算,鋁鋼之比約為1：3,根據兩種材質的市場價折算

　　In order to lighten the weight, aluminum alloy cable and FRP Bridge can be used. The shape size and load characteristics are almost similar to the steel bridge. Because of the different proportion of aluminum and steel (A1=2.7, Fe=7.86, according to weight, the ratio of aluminum and steel is about 1:3, according to the market price of two materials. "

　　鋁合金橋架的造價費用較之同類鍍鋅鋼橋價要高出2.0倍,玻璃鋼電纜橋架具有美觀,重量輕、安裝方便等優點, 近年來, 鋁合金橋架已在有的工程中加以應用。

　　The cost of the aluminum alloy bridge is 2 times higher than that of the same kind of galvanized steel bridge. The fiberglass cable bridge has the advantages of beautiful, light weight and convenient installation. In recent years, the aluminum alloy bridge has been applied in some projects.

　　玻璃鋼電纜橋架選型時應注意橋架的所有零部件是否符合系列化、通用化、標準化的成套要求。

　　When selecting FRP cable tray, attention should be paid to whether all parts of the bridge meet the requirements of serialization, generalization and standardization.

　　建筑物內玻璃鋼電纜橋架可以獨立假設, 也可以附設在各種建(構)筑物和管廊支架上,應體現結構簡單,造型美觀、配置靈活和維修方便等特點

　　The FRP cable bridge in the building can be assumed independently and can be attached to a variety of construction (structure) and tube porches. It should be characterized by simple structure, beautiful shape, flexible configuration and convenient maintenance.

　　全部零件均需進行鍍鋅處理,安裝在建筑物外露天的橋架,如果是在鄰近海邊或屬于腐蝕區,則材質必須具有防腐、耐潮氣、附著力好, 耐沖擊強度高的物性特點。

　　All the parts need to be galvanized, the bridge installed outside the building, if it is in the vicinity of the seaside or in the corrosion area, the material must have the characteristics of anticorrosion, moisture resistance, good adhesion and high impact strength.

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