昌(chang)都(dou)(dou)中式(shi)(shi)古建(jian)(jian)(jian)(jian)(jian)亭(ting)廊(lang)(lang)仿古建(jian)(jian)(jian)(jian)(jian)筑(zhu)構(gou)件(jian)(jian)是(shi)指(zhi)采(cai)用鋁(lv)板（而不是(shi)木(mu)(mu)材）加工(gong)制作的(de)(de)仿古建(jian)(jian)(jian)(jian)(jian)筑(zhu)上(shang)的(de)(de)斗拱(gong)、斗棋、步架、舉架、檁(lin)條、椽子等構(gou)件(jian)(jian)。昌(chang)都(dou)(dou)中式(shi)(shi)古建(jian)(jian)(jian)(jian)(jian)亭(ting)廊(lang)(lang)昌(chang)都(dou)(dou)鋁(lv)合金(jin)古建(jian)(jian)(jian)(jian)(jian)現(xian)在的(de)(de)仿古建(jian)(jian)(jian)(jian)(jian)筑(zhu)主體結(jie)構(gou)多為鋼筋(jin)混(hun)凝土(tu)結(jie)構(gou)，斗拱(gong)等仿木(mu)(mu)結(jie)構(gou)只具(ju)有(you)裝飾性的(de)(de)作用，因此可以利(li)用鋁(lv)板的(de)(de)特(te)性，加工(gong)制作各種(zhong)古建(jian)(jian)(jian)(jian)(jian)筑(zhu)構(gou)件(jian)(jian)。椽子是(shi)垂直鋪(pu)釘在桁(heng)條承(cheng)(cheng)擔(dan)屋(wu)面磚瓦的(de)(de)木(mu)(mu)條，它(ta)在鋪(pu)望磚的(de)(de)屋(wu)面上(shang)，間距可稍寬。其截面有(you)矩形(xing)和圓形(xing)兩(liang)種(zhong)，圓形(xing)應在頂面削去1/4，成(cheng)荷包(bao)狀以鋪(pu)釘望板或望磚，故有(you)“荷包(bao)椽”之稱。桁(heng)條：桁(heng)條是(shi)承(cheng)(cheng)托屋(wu)頂椽子的(de)(de)木(mu)(mu)構(gou)件(jian)(jian)，昌(chang)都(dou)(dou)鋁(lv)合金(jin)古建(jian)(jian)(jian)(jian)(jian)北方成(cheng)為檁(lin)子，有(you)圓木(mu)(mu)桁(heng)和方木(mu)(mu)桁(heng)之分。昌(chang)都(dou)(dou)中式(shi)(shi)古建(jian)(jian)(jian)(jian)(jian)亭(ting)廊(lang)(lang)軒(xuan)桁(heng)：是(shi)指(zhi)軒(xuan)梁之上(shang)，置(zhi)于荷包(bao)梁兩(liang)端的(de)(de)桁(heng)條，主要用來(lai)承(cheng)(cheng)托船篷彎椽。

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