大殿(dian)座(zuo)西(xi)向東(dong),歇(xie)山式抬梁(liang)木結構斗(dou)拱建(jian)筑,八架像屋四橡(xiang)前后(hou)對乳,用(yong)(yong)四柱。面闊,進深均(jun)為(wei)三間,平面成正(zheng)方形,前檐明間補間鋪(pu)(pu)作三朵(duo),中心(xin)一(yi)朵(duo)為(wei)溜金至中金檁,再接一(yi)挑斡至脊檁;兩側(ce)斗(dou)拱出五(wu)鋪(pu)(pu)作斜拱。次間補間鋪(pu)(pu)作為(wei)一(yi)朵(duo),柱頭鋪(pu)(pu)作與補間鋪(pu)(pu)作均(jun)為(wei)五(wu)鋪(pu)(pu)作斗(dou)拱。后(hou)檐柱上,斗(dou)拱簡約,均(jun)以蜀柱替代櫨斗(dou)承托(tuo)正(zheng)心(xin)檁,用(yong)(yong)挑枋實現出檐。屋面舉折平緩(huan),角有(you)蝦須橡(xiang)。內柱直徑56厘(li)米,素(su)面覆(fu)盆式柱礎,素(su)面須彌座(zuo)石(shi)臺基(ji),垂(chui)帶踏(ta)道。
在蘆山縣龍(long)(long)門鄉青(qing)龍(long)(long)場,南距蘆山縣城蘆陽鎮15公里。青(qing)龍(long)(long)寺(si)建(jian)于元代,現(xian)僅有大殿尚存。青(qing)龍(long)(long)寺(si)大殿建(jian)筑(zhu)凝(ning)重樸實,結構靈活,用材(cai)隨宜,不(bu)分材(cai)等,體現(xian)著四(si)川地區古建(jian)筑(zhu)風格的(de)地方特色(se)。
青龍寺(si)大(da)殿(dian)坐西向東,建(jian)(jian)筑面(mian)積234.1平方米,通高9米,平面(mian)呈方形,面(mian)闊、進深各三間(jian),均15.3米。為歇山(shan)頂(ding)抬梁式木結構建(jian)(jian)筑,梁與(yu)檁之間(jian)有斗(dou)拱撐(cheng)托(tuo),檐面(mian)施五鋪作斗(dou)拱9朵,明間(jian)補(bu)間(jian)鋪作3朵,次間(jian)補(bu)間(jian)鋪作各1朵。大(da)殿(dian)臺基長寬各約17.2米,高0.9米。
青龍寺(si)為蘆山(shan)創建時代(dai)較早(zao)的寺(si)廟(miao)之(zhi)一(yi),大殿(dian)(dian)(dian)為其現(xian)存的建筑。據(ju)傳曾見大殿(dian)(dian)(dian)內金柱梁上有(you)唐(tang)代(dai)紀年(nian)(nian)墨書,但(dan)已漫漶無法辯識。現(xian)存原寺(si)另(ling)一(yi)已毀(hui)之(zhi)關帝殿(dian)(dian)(dian)門枕石一(yi)對,上有(you)“大元至(zhi)(zhi)(zhi)正九年(nian)(nian)……青龍寺(si)”等(deng)銘刻,現(xian)大殿(dian)(dian)(dian)屋瓦亦可見“至(zhi)(zhi)(zhi)元一(yi)年(nian)(nian)”、“至(zhi)(zhi)(zhi)元六年(nian)(nian)”、“至(zhi)(zhi)(zhi)正十(shi)二壬辰(chen)年(nian)(nian)”、“至(zhi)(zhi)(zhi)正十(shi)三”等(deng)銘記。