大(da)殿座西向東,歇山(shan)式抬梁木結構(gou)斗(dou)拱(gong)(gong)建筑,八架像屋四橡前(qian)后對乳,用四柱(zhu)(zhu)(zhu)(zhu)。面(mian)(mian)闊,進深均(jun)為(wei)三間(jian),平面(mian)(mian)成正方形,前(qian)檐明間(jian)補(bu)間(jian)鋪(pu)作(zuo)三朵,中心一(yi)朵為(wei)溜金至中金檁(lin),再接一(yi)挑斡至脊檁(lin);兩側斗(dou)拱(gong)(gong)出五(wu)鋪(pu)作(zuo)斜拱(gong)(gong)。次間(jian)補(bu)間(jian)鋪(pu)作(zuo)為(wei)一(yi)朵,柱(zhu)(zhu)(zhu)(zhu)頭鋪(pu)作(zuo)與補(bu)間(jian)鋪(pu)作(zuo)均(jun)為(wei)五(wu)鋪(pu)作(zuo)斗(dou)拱(gong)(gong)。后檐柱(zhu)(zhu)(zhu)(zhu)上,斗(dou)拱(gong)(gong)簡約,均(jun)以蜀柱(zhu)(zhu)(zhu)(zhu)替代(dai)櫨斗(dou)承托正心檁(lin),用挑枋實現出檐。屋面(mian)(mian)舉折(zhe)平緩(huan),角有(you)蝦須橡。內柱(zhu)(zhu)(zhu)(zhu)直(zhi)徑56厘(li)米,素面(mian)(mian)覆(fu)盆式柱(zhu)(zhu)(zhu)(zhu)礎,素面(mian)(mian)須彌座石臺基,垂帶踏(ta)道。
在蘆山縣龍門鄉青(qing)龍場,南距蘆山縣城蘆陽鎮(zhen)15公里。青(qing)龍寺(si)建(jian)于元代,現僅(jin)有(you)大殿尚(shang)存。青(qing)龍寺(si)大殿建(jian)筑凝重樸實,結構靈活,用(yong)材隨宜,不(bu)分材等(deng),體現著(zhu)四川地區古(gu)建(jian)筑風(feng)格的地方特色。
青龍寺大殿坐西向東,建筑面(mian)積234.1平(ping)方米(mi),通高9米(mi),平(ping)面(mian)呈(cheng)方形,面(mian)闊(kuo)、進深各(ge)三間,均(jun)15.3米(mi)。為歇山頂(ding)抬(tai)梁式木結構(gou)建筑,梁與(yu)檁之間有斗拱(gong)(gong)撐托,檐面(mian)施五鋪(pu)作(zuo)斗拱(gong)(gong)9朵(duo),明間補(bu)間鋪(pu)作(zuo)3朵(duo),次間補(bu)間鋪(pu)作(zuo)各(ge)1朵(duo)。大殿臺基長寬各(ge)約17.2米(mi),高0.9米(mi)。
青(qing)龍寺(si)為蘆山創(chuang)建時代較(jiao)早的寺(si)廟(miao)之一(yi),大(da)殿(dian)(dian)為其(qi)現存的建筑。據傳(chuan)曾見(jian)大(da)殿(dian)(dian)內金柱梁上有唐代紀年墨書,但已(yi)漫漶無法辯識。現存原寺(si)另一(yi)已(yi)毀(hui)之關帝殿(dian)(dian)門枕(zhen)石一(yi)對,上有“大(da)元(yuan)至(zhi)正九年……青(qing)龍寺(si)”等銘(ming)刻,現大(da)殿(dian)(dian)屋瓦亦可見(jian)“至(zhi)元(yuan)一(yi)年”、“至(zhi)元(yuan)六(liu)年”、“至(zhi)正十二壬辰年”、“至(zhi)正十三”等銘(ming)記。