大殿座西向東,歇山式抬梁木(mu)結構(gou)斗(dou)拱(gong)建筑,八架像屋(wu)四(si)橡(xiang)前后(hou)對乳,用(yong)四(si)柱(zhu)。面(mian)闊,進深均(jun)為三間(jian)(jian),平(ping)面(mian)成正(zheng)方形(xing),前檐(yan)明間(jian)(jian)補間(jian)(jian)鋪(pu)(pu)(pu)作(zuo)(zuo)(zuo)三朵(duo),中心一朵(duo)為溜金至(zhi)中金檁,再(zai)接一挑斡至(zhi)脊檁;兩側斗(dou)拱(gong)出(chu)五鋪(pu)(pu)(pu)作(zuo)(zuo)(zuo)斜拱(gong)。次間(jian)(jian)補間(jian)(jian)鋪(pu)(pu)(pu)作(zuo)(zuo)(zuo)為一朵(duo),柱(zhu)頭鋪(pu)(pu)(pu)作(zuo)(zuo)(zuo)與補間(jian)(jian)鋪(pu)(pu)(pu)作(zuo)(zuo)(zuo)均(jun)為五鋪(pu)(pu)(pu)作(zuo)(zuo)(zuo)斗(dou)拱(gong)。后(hou)檐(yan)柱(zhu)上,斗(dou)拱(gong)簡(jian)約,均(jun)以(yi)蜀柱(zhu)替(ti)代(dai)櫨斗(dou)承托正(zheng)心檁,用(yong)挑枋實現出(chu)檐(yan)。屋(wu)面(mian)舉折平(ping)緩,角有蝦須橡(xiang)。內柱(zhu)直徑56厘米(mi),素(su)面(mian)覆盆(pen)式柱(zhu)礎,素(su)面(mian)須彌座石臺基,垂(chui)帶(dai)踏(ta)道。
在蘆山(shan)縣龍(long)(long)門鄉青龍(long)(long)場,南距蘆山(shan)縣城蘆陽鎮(zhen)15公里(li)。青龍(long)(long)寺建(jian)于元代,現僅有大(da)殿尚存。青龍(long)(long)寺大(da)殿建(jian)筑凝重樸實,結構(gou)靈活(huo),用材隨宜,不分材等,體現著(zhu)四川地(di)區(qu)古建(jian)筑風格的地(di)方特色。
青龍寺大(da)殿(dian)坐西向東,建(jian)筑面(mian)積(ji)234.1平(ping)方米(mi)(mi),通高(gao)9米(mi)(mi),平(ping)面(mian)呈方形,面(mian)闊(kuo)、進深各三間(jian),均(jun)15.3米(mi)(mi)。為歇山頂抬梁式木結構(gou)建(jian)筑,梁與檁(lin)之間(jian)有斗拱撐托(tuo),檐面(mian)施五鋪(pu)作(zuo)斗拱9朵,明間(jian)補間(jian)鋪(pu)作(zuo)3朵,次(ci)間(jian)補間(jian)鋪(pu)作(zuo)各1朵。大(da)殿(dian)臺基(ji)長寬(kuan)各約17.2米(mi)(mi),高(gao)0.9米(mi)(mi)。
青龍寺為(wei)蘆山(shan)創建時代較早的(de)寺廟之一(yi),大殿(dian)(dian)為(wei)其(qi)現(xian)存(cun)的(de)建筑。據傳曾見大殿(dian)(dian)內金柱梁上有唐(tang)代紀年墨書,但已漫漶無(wu)法辯識。現(xian)存(cun)原(yuan)寺另(ling)一(yi)已毀(hui)之關帝殿(dian)(dian)門枕(zhen)石一(yi)對,上有“大元至(zhi)正九年……青龍寺”等(deng)銘(ming)刻,現(xian)大殿(dian)(dian)屋瓦亦可見“至(zhi)元一(yi)年”、“至(zhi)元六(liu)年”、“至(zhi)正十二壬(ren)辰年”、“至(zhi)正十三”等(deng)銘(ming)記(ji)。