斗(dou)栱(gong)在中(zhong)國木(mu)構架建(jian)(jian)筑的(de)發展過程中(zhong)起(qi)過重(zhong)(zhong)要作用,它的(de)演(yan)變可(ke)以看作是中(zhong)國傳(chuan)統(tong)木(mu)構架建(jian)(jian)筑形制演(yan)變的(de)重(zhong)(zhong)要標志,也(ye)是鑒別中(zhong)國傳(chuan)統(tong)木(mu)構架建(jian)(jian)筑年代(dai)的(de)一個重(zhong)(zhong)要依據。西(xi)周銅器拱(gong)令(ling)簋上(shang)已有大斗(dou)的(de)形象(xiang),戰國中(zhong)山國墓出土的(de)銅方案(an)上(shang)有斗(dou)和45°斜置拱(gong)的(de)形象(xiang)。漢代(dai)的(de)石闕、明(ming)器、畫像(xiang)石和畫像(xiang)磚上(shang)也(ye)有大量斗(dou)拱(gong)的(de)形象(xiang)。
