大殿座西向東,歇山(shan)式(shi)抬梁木結構斗(dou)(dou)(dou)拱(gong)(gong)(gong)(gong)建筑,八架像屋四橡前后對乳,用四柱(zhu)。面闊,進深均為三間,平面成正方形(xing),前檐明間補(bu)間鋪作三朵,中心一(yi)朵為溜金(jin)至中金(jin)檁(lin),再(zai)接一(yi)挑斡至脊檁(lin);兩側斗(dou)(dou)(dou)拱(gong)(gong)(gong)(gong)出(chu)五鋪作斜拱(gong)(gong)(gong)(gong)。次間補(bu)間鋪作為一(yi)朵,柱(zhu)頭鋪作與補(bu)間鋪作均為五鋪作斗(dou)(dou)(dou)拱(gong)(gong)(gong)(gong)。后檐柱(zhu)上(shang),斗(dou)(dou)(dou)拱(gong)(gong)(gong)(gong)簡(jian)約,均以蜀柱(zhu)替(ti)代櫨斗(dou)(dou)(dou)承(cheng)托正心檁(lin),用挑枋實現出(chu)檐。屋面舉折平緩,角(jiao)有蝦(xia)須(xu)橡。內柱(zhu)直徑56厘米,素(su)面覆盆式(shi)柱(zhu)礎,素(su)面須(xu)彌座石臺基,垂帶踏道。
在蘆山縣龍門(men)鄉青(qing)龍場(chang),南距蘆山縣城蘆陽鎮15公里。青(qing)龍寺建(jian)(jian)于元(yuan)代,現僅(jin)有大殿尚存。青(qing)龍寺大殿建(jian)(jian)筑凝重(zhong)樸實,結構靈(ling)活,用材(cai)隨宜,不分材(cai)等(deng),體(ti)現著(zhu)四川地區古建(jian)(jian)筑風格的地方特色。
青龍寺大殿坐西向東,建(jian)筑(zhu)(zhu)面(mian)積234.1平方(fang)米(mi),通(tong)高(gao)9米(mi),平面(mian)呈方(fang)形,面(mian)闊、進深各三間(jian),均15.3米(mi)。為歇山頂抬梁式(shi)木結(jie)構建(jian)筑(zhu)(zhu),梁與檁之間(jian)有斗拱(gong)撐(cheng)托,檐面(mian)施(shi)五(wu)鋪(pu)作斗拱(gong)9朵,明間(jian)補(bu)間(jian)鋪(pu)作3朵,次間(jian)補(bu)間(jian)鋪(pu)作各1朵。大殿臺基長寬各約17.2米(mi),高(gao)0.9米(mi)。
青(qing)龍(long)(long)寺為蘆山創建時代(dai)較(jiao)早(zao)的寺廟(miao)之一(yi),大殿(dian)為其現存的建筑(zhu)。據傳曾見大殿(dian)內金柱梁上有(you)唐代(dai)紀年(nian)墨書,但已(yi)漫漶無(wu)法辯識。現存原寺另一(yi)已(yi)毀(hui)之關帝殿(dian)門枕石(shi)一(yi)對(dui),上有(you)“大元至正九年(nian)……青(qing)龍(long)(long)寺”等銘刻(ke),現大殿(dian)屋(wu)瓦亦可見“至元一(yi)年(nian)”、“至元六年(nian)”、“至正十二壬辰年(nian)”、“至正十三(san)”等銘記。