斗拱在中(zhong)國古(gu)建(jian)(jian)筑中(zhong)起著十分重要(yao)(yao)的作用,主要(yao)(yao)有三個方面(mian):一(yi)、它位(wei)于柱(zhu)與梁(liang)之間(jian),由屋面(mian)和上(shang)(shang)層(ceng)構(gou)架傳下來的荷載,要(yao)(yao)通過斗拱傳給柱(zhu)子,再由柱(zhu)傳到基礎,因此,它起著承上(shang)(shang)啟下,傳遞荷載的作用。二、它向外出挑(tiao),可把.外層(ceng)的桁檀挑(tiao)出一(yi)定距(ju)離,使建(jian)(jian)筑物(wu)出檐更(geng)(geng)加深(shen)遠(yuan),造形更(geng)(geng)加優美、壯觀。三、它構(gou)造精巧,造形美觀,如盆(pen)景,似花蘭,又(you)是(shi)很好的裝飾(shi)性構(gou)件
