斗拱在(zai)中(zhong)國古(gu)建(jian)筑(zhu)中(zhong)起著(zhu)十(shi)分重(zhong)要的作用(yong),主要有三個方面(mian):一、它位于(yu)柱(zhu)與梁之間,由屋面(mian)和上層(ceng)構架傳(chuan)(chuan)下來的荷載,要通過斗拱傳(chuan)(chuan)給(gei)柱(zhu)子,再(zai)由柱(zhu)傳(chuan)(chuan)到(dao)基礎,因(yin)此,它起著(zhu)承上啟下,傳(chuan)(chuan)遞荷載的作用(yong)。二、它向(xiang)外(wai)出(chu)挑,可(ke)把(ba).外(wai)層(ceng)的桁(heng)檀(tan)挑出(chu)一定距(ju)離,使(shi)建(jian)筑(zhu)物出(chu)檐更加深遠,造(zao)形(xing)更加優美(mei)、壯觀。三、它構造(zao)精巧(qiao),造(zao)形(xing)美(mei)觀,如盆景,似花(hua)蘭,又是很好的裝飾性(xing)構件
