濟南玻璃鋼雕塑 http://www.selket.cn/是城市雕塑中主流材質(zhì)之一，今天筆者來告訴大家為何濟南玻璃鋼雕塑并不適合長期戶外景觀雕塑？Ji'nan glass fiber reinforced plastic sculpture is one of the main materials in the city sculpture, today I tell you why Ji'nan FRP sculpture is not suitable for long-term outdoor landscape sculpture?
首先，玻璃鋼本身是由樹脂和玻璃絲布的結(jié)合出來的產(chǎn)物；其次，濟南玻璃鋼雕塑成品在制作之前，用特定泥巴材料塑造出產(chǎn)品輪廓，在泥塑稿制作完成后，翻制石膏外模，然后將玻璃鋼涂刷在外模內(nèi)部。等其干透后打開外模，經(jīng)過合模的程序，即可完成濟南玻璃鋼雕塑成品。First of all, glass steel itself is a product by combining resin and glass cloth; secondly, Ji'nan glass and steel sculpture finished before production, shaping the product outline with a specific material in mud, clay release after completion of production, manufacturing gypsum mould, the inner glass steel coated on the outer mold. After the opening of the external mold, etc., after the procedure of mold, you can complete the Ji'nan glass fiber reinforced plastic sculpture products.
雖然玻璃鋼制作工藝比較靈活、且經(jīng)濟效果可觀，但是要作為大型室外城市景觀雕塑，絕對不是最佳選擇。因為濟南玻璃鋼雕塑在室外經(jīng)過太陽的暴曬和風(fēng)蝕之后，一般五年以上就開始有變形，脆弱易裂的缺點。Although the glass fiber reinforced plastic production process is more flexible, and the economic effect is considerable, but as a large outdoor city landscape sculpture, is definitely not the best choice. Because the Ji'nan glass fiber reinforced plastic sculpture in the outdoor after the sun exposure and wind erosion, generally more than five years began to have deformation, vulnerable to crack defects.
這是有玻璃鋼材質(zhì)本身決定的，一是由于玻璃鋼彈性模量低，F(xiàn)RP的彈性模量比木材大兩倍，但比鋼小10倍，在濟南玻璃鋼雕塑成品中容易因剛性不足而變形，通常技術(shù)人員會將其制作成薄殼結(jié)構(gòu)、夾層結(jié)構(gòu)，或者是通過高模量纖維或者做加強筋等形式來彌補其彈性不足的缺陷。This is a glass steel material itself, a glass steel is due to low elastic modulus, elastic modulus of FRP is two times larger than wood, but 10 times smaller than the steel, glass and steel sculpture products in Ji'nan due to lack of rigidity and deformation, usually the technical personnel which will be made into thin shell structure and sandwich structure. Or by high modulus fiber or reinforcement form to compensate for the lack of flexibility.
二是由于玻璃鋼本身不能夠再高溫下長期使用，通用聚酯FRP在50℃以上強度就明顯下降，一般只在100℃以下使用；通用型環(huán)氧FRP在60℃以上，強度有明顯下降。但可以選擇耐高溫樹脂，使長期工作溫度在200~300℃是可能的。Two is because the glass steel itself can no longer use a high temperature for a long time, the general polyester FRP at 50 DEG C strength decreased significantly, generally only used in 100 DEG C; general epoxy FRP at 60 DEG C, the strength decreased significantly. However, it is possible to select a high temperature resistant resin, so that the long-term working temperature at 200~300 DEG C is possible.
總而言之，室外高溫和大風(fēng)侵蝕導(dǎo)致玻璃鋼在室外的壽命一般只有3~5年。而且，濟南玻璃鋼雕塑如果表面漆劣質(zhì)的話，還需要時隔兩年就重新進行上色。所以一點都不適合具有歷史感的城市標(biāo)志雕塑。All in all, the outdoor high temperature and strong wind erosion led to the outdoor life of FRP in general only 3~5 years. Moreover, if the surface of the Ji'nan glass fiber reinforced plastic paint inferior, it will take two years to re color. So it is not suitable for the historical sense of the city logo sculpture.
