- 產品介紹
廣告塔牌結構型式采用桁架式(shi)(shi)。其理由是:第一,廣告塔牌結(jie)構(gou)(gou)(gou)的(de)(de)(de)(de)控(kong)制(zhi)設計荷載是風(feng)載,風(feng)壓(ya)直接作(zuo)用(yong)(yong)在面(mian)(mian)板(ban)(ban)(ban)上,再由面(mian)(mian)板(ban)(ban)(ban)傳至骨(gu)架(jia),此時,在不(bu)同高程上的(de)(de)(de)(de)幾道(dao)主梁可把風(feng)載較均勻地傳至立柱(zhu),因而可減小(xiao)主梁與立柱(zhu)連接處的(de)(de)(de)(de)應(ying)力集(ji)中(zhong);其次,平(ping)行(xing)(xing)式(shi)(shi)桁架(jia)結(jie)構(gou)(gou)(gou)主梁采用(yong)(yong)槽(cao)鋼,使結(jie)構(gou)(gou)(gou)外形平(ping)整(zheng),便(bian)于廣告面(mian)(mian)板(ban)(ban)(ban)掛靠,并可加強面(mian)(mian)板(ban)(ban)(ban)與主骨(gu)架(jia)的(de)(de)(de)(de)連接,從而減小(xiao)了(le)面(mian)(mian)板(ban)(ban)(ban)的(de)(de)(de)(de)變(bian)形,以確保廣告面(mian)(mian)的(de)(de)(de)(de)感觀效果;第三,平(ping)行(xing)(xing)式(shi)(shi)桁架(jia)結(jie)構(gou)(gou)(gou),可在每道(dao)主梁高程設置內(nei)檢(jian)修梯,這樣給結(jie)構(gou)(gou)(gou)的(de)(de)(de)(de)維(wei)護、檢(jian)修及掛、卸廣告布帶(dai)來了(le)極大(da)的(de)(de)(de)(de)方便(bian),且保證了(le)操作(zuo)人員(yuan)的(de)(de)(de)(de)人身(shen)安全(quan);除此之(zhi)外,平(ping)行(xing)(xing)式(shi)(shi)桁架(jia)結(jie)構(gou)(gou)(gou),形式(shi)(shi)簡潔(jie)、美觀,受力明確,節點構(gou)(gou)(gou)造(zao)簡單,施工方便(bian),從而能(neng)保證施工質量。
廣(guang)告(gao)塔結構(gou)布置采用(yong)獨立鋼(gang)結構(gou)圓柱,通(tong)過節點板(ban)在(zai)三個不同高(gao)程搭焊三道橫向主(zhu)(zhu)(zhu)梁(liang)(liang),主(zhu)(zhu)(zhu)梁(liang)(liang)之間設(she)置橫隔梁(liang)(liang)和(he)斜向支撐(cheng),形成(cheng)空間桁架(jia)(jia)受力體(ti)系(xi),主(zhu)(zhu)(zhu)、橫梁(liang)(liang)間距主(zhu)(zhu)(zhu)要(yao)考(kao)慮廣(guang)告(gao)面(mian)(mian)(mian)板(ban)骨(gu)架(jia)(jia)網格的(de)布置,并使面(mian)(mian)(mian)板(ban)骨(gu)架(jia)(jia)節點與主(zhu)(zhu)(zhu)骨(gu)架(jia)(jia)節點相(xiang)一致,以(yi)加強(qiang)(qiang)面(mian)(mian)(mian)板(ban)與主(zhu)(zhu)(zhu)骨(gu)架(jia)(jia)的(de)連接。廣(guang)告(gao)牌(pai)面(mian)(mian)(mian)板(ban)的(de)自身(shen)骨(gu)架(jia)(jia)掛焊在(zai)主(zhu)(zhu)(zhu)體(ti)結構(gou)上,形成(cheng)整(zheng)體(ti)上部結構(gou)。主(zhu)(zhu)(zhu)梁(liang)(liang)選用(yong)槽鋼(gang),其他構(gou)件均(jun)選用(yong)角(jiao)鋼(gang),型號按構(gou)件的(de)強(qiang)(qiang)度(du)和(he)變(bian)形條件選取。鋼(gang)立柱截面(mian)(mian)(mian)的(de)選取,除(chu)考(kao)慮其強(qiang)(qiang)度(du)及穩定性外,還要(yao)綜合考(kao)慮廣(guang)告(gao)牌(pai)整(zheng)體(ti)尺寸協調及美觀等方(fang)面(mian)(mian)(mian)的(de)因(yin)素。