大殿(dian)座西向東(dong),歇(xie)山式(shi)(shi)抬梁木結(jie)構斗(dou)拱(gong)建筑,八(ba)架像屋(wu)四橡(xiang)前后對(dui)乳,用(yong)四柱。面(mian)闊,進深均(jun)(jun)為三(san)(san)間(jian)(jian)(jian),平(ping)面(mian)成正方形,前檐明間(jian)(jian)(jian)補(bu)間(jian)(jian)(jian)鋪(pu)(pu)作(zuo)三(san)(san)朵(duo),中心(xin)一朵(duo)為溜(liu)金(jin)至中金(jin)檁,再(zai)接一挑斡(wo)至脊檁;兩側斗(dou)拱(gong)出(chu)五鋪(pu)(pu)作(zuo)斜拱(gong)。次間(jian)(jian)(jian)補(bu)間(jian)(jian)(jian)鋪(pu)(pu)作(zuo)為一朵(duo),柱頭鋪(pu)(pu)作(zuo)與(yu)補(bu)間(jian)(jian)(jian)鋪(pu)(pu)作(zuo)均(jun)(jun)為五鋪(pu)(pu)作(zuo)斗(dou)拱(gong)。后檐柱上,斗(dou)拱(gong)簡約,均(jun)(jun)以(yi)蜀(shu)柱替代櫨斗(dou)承(cheng)托正心(xin)檁,用(yong)挑枋實(shi)現出(chu)檐。屋(wu)面(mian)舉(ju)折平(ping)緩,角有(you)蝦(xia)須橡(xiang)。內柱直徑56厘(li)米,素(su)面(mian)覆盆(pen)式(shi)(shi)柱礎,素(su)面(mian)須彌座石臺基,垂帶(dai)踏道。
在蘆山縣龍(long)門鄉青龍(long)場,南(nan)距蘆山縣城蘆陽鎮15公里。青龍(long)寺建于元代,現(xian)僅有(you)大殿尚存。青龍(long)寺大殿建筑凝(ning)重樸實,結構靈活,用材(cai)隨宜,不分材(cai)等(deng),體(ti)現(xian)著四川地區古建筑風格的地方特(te)色。
青龍(long)寺大殿坐(zuo)西向東,建(jian)筑(zhu)面積234.1平(ping)(ping)方米(mi),通高9米(mi),平(ping)(ping)面呈方形,面闊、進深各三(san)間(jian)(jian),均15.3米(mi)。為(wei)歇(xie)山頂抬(tai)梁式(shi)木結構建(jian)筑(zhu),梁與(yu)檁(lin)之間(jian)(jian)有斗(dou)(dou)拱撐托,檐面施五鋪作(zuo)(zuo)斗(dou)(dou)拱9朵,明間(jian)(jian)補間(jian)(jian)鋪作(zuo)(zuo)3朵,次(ci)間(jian)(jian)補間(jian)(jian)鋪作(zuo)(zuo)各1朵。大殿臺基長寬各約17.2米(mi),高0.9米(mi)。
青(qing)龍寺為蘆山創建(jian)時代(dai)較(jiao)早的(de)寺廟之(zhi)一(yi),大殿(dian)(dian)為其現(xian)(xian)存的(de)建(jian)筑。據傳曾見(jian)大殿(dian)(dian)內金(jin)柱梁上有唐代(dai)紀年(nian)(nian)墨書,但(dan)已漫(man)漶無法辯識。現(xian)(xian)存原寺另一(yi)已毀之(zhi)關帝殿(dian)(dian)門枕(zhen)石一(yi)對,上有“大元(yuan)至(zhi)(zhi)正(zheng)九年(nian)(nian)……青(qing)龍寺”等(deng)銘刻,現(xian)(xian)大殿(dian)(dian)屋瓦亦可見(jian)“至(zhi)(zhi)元(yuan)一(yi)年(nian)(nian)”、“至(zhi)(zhi)元(yuan)六年(nian)(nian)”、“至(zhi)(zhi)正(zheng)十二壬辰(chen)年(nian)(nian)”、“至(zhi)(zhi)正(zheng)十三”等(deng)銘記。