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鋼結構網架支座可以分為哪幾類?

來源:古(gu)晨工(gong)程橡膠發布(bu)時間:2020-12-31瀏覽次數:98477 次

鋼結(jie)構(gou)網(wang)架(jia)支座具有非常多的種類,下(xia)面古(gu)晨(chen)來為大家介紹一(yi)下(xia)鋼結(jie)構(gou)網(wang)架(jia)支座的種類。

    鋼結構網架支座是依(yi)據中華人(ren)民共(gong)和國交通行業標準(zhun)《球形支座技(ji)術條件(GB/T17955-2009)及(ji)建筑抗(kang)震設計(ji)規范(fan)(GB50011-2001)鋼結(jie)構(gou)設計(ji)規范(fan)(GB50017-2003),經詳(xiang)細的靜力(li)(li)學、動力(li)(li)學分析(xi)研(yan)制而成的新型抗(kang)震減(jian)振鋼支座。抗(kang)震減(jian)振支座結(jie)構(gou)更(geng)加合理(li),性能更(geng)加可靠,使(shi)用壽命更(geng)長。


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    鋼結構網架支座(又(you)名鋼(gang)(gang)(gang)結(jie)構(gou)支(zhi)(zhi)(zhi)(zhi)座(zuo)(zuo))分為四個類型(xing)(xing):GKQZ型(xing)(xing)鋼(gang)(gang)(gang)結(jie)構(gou)抗震(zhen)(zhen)(zhen)(zhen)鋼(gang)(gang)(gang)球支(zhi)(zhi)(zhi)(zhi)座(zuo)(zuo)、GJQZ型(xing)(xing)鋼(gang)(gang)(gang)結(jie)構(gou)減(jian)(jian)震(zhen)(zhen)(zhen)(zhen)鋼(gang)(gang)(gang)球支(zhi)(zhi)(zhi)(zhi)座(zuo)(zuo)、GKGZ型(xing)(xing)鋼(gang)(gang)(gang)結(jie)構(gou)抗震(zhen)(zhen)(zhen)(zhen)球型(xing)(xing)鋼(gang)(gang)(gang)支(zhi)(zhi)(zhi)(zhi)座(zuo)(zuo)、GJGZ型(xing)(xing)鋼(gang)(gang)(gang)結(jie)構(gou)減(jian)(jian)震(zhen)(zhen)(zhen)(zhen)球型(xing)(xing)鋼(gang)(gang)(gang)支(zhi)(zhi)(zhi)(zhi)座(zuo)(zuo)。該支(zhi)(zhi)(zhi)(zhi)座(zuo)(zuo)包括(kuo)固定(ding)支(zhi)(zhi)(zhi)(zhi)座(zuo)(zuo)(代(dai)碼(ma)為GD)、單向(xiang)支(zhi)(zhi)(zhi)(zhi)座(zuo)(zuo)(代(dai)號為DX)、雙向(xiang)支(zhi)(zhi)(zhi)(zhi)座(zuo)(zuo)(代(dai)號為SX)三(san)種型(xing)(xing)式,22個等(deng)級,其水平(ping)承載力、豎直(zhi)方向(xiang)拔力及支(zhi)(zhi)(zhi)(zhi)座(zuo)(zuo)的整體強度(du)(du)均比普(pu)通支(zhi)(zhi)(zhi)(zhi)座(zuo)(zuo)有大(da)(da)幅(fu)度(du)(du)提高。該系列支(zhi)(zhi)(zhi)(zhi)座(zuo)(zuo)采(cai)用(yong)(yong)彈性(xing)減(jian)(jian)振(zhen)(zhen)元件,當(dang)水平(ping)力大(da)(da)到一定(ding)程度(du)(du)后(hou),減(jian)(jian)振(zhen)(zhen)彈簧開始發(fa)生(sheng)彈性(xing)變形實現緩沖作(zuo)用(yong)(yong)。當(dang)結(jie)構(gou)發(fa)生(sheng)轉(zhuan)角時(shi)(shi),球芯產生(sheng)轉(zhuan)動(dong),釋放(fang)上部結(jie)構(gou)產生(sheng)的轉(zhuan)矩。地(di)震(zhen)(zhen)(zhen)(zhen)時(shi)(shi),剛性(xing)抗震(zhen)(zhen)(zhen)(zhen)措(cuo)施和(he)柔(rou)性(xing)減(jian)(jian)振(zhen)(zhen)措(cuo)施同(tong)時(shi)(shi)發(fa)生(sheng)作(zuo)用(yong)(yong),以抵御巨大(da)(da)的地(di)震(zhen)(zhen)(zhen)(zhen)輸入能量,這樣(yang)既能保證橋梁(liang)上、下結(jie)構(gou)合理相對(dui)(dui)位(wei)移,減(jian)(jian)小(xiao)地(di)震(zhen)(zhen)(zhen)(zhen)力的放(fang)大(da)(da)系數,又(you)使結(jie)構(gou)保持統一性(xing)。該支(zhi)(zhi)(zhi)(zhi)座(zuo)(zuo)可(ke)抵御8-11度(du)(du)地(di)震(zhen)(zhen)(zhen)(zhen),對(dui)(dui)高烈度(du)(du)地(di)震(zhen)(zhen)(zhen)(zhen)區尤(you)其直(zhi)下型(xing)(xing)地(di)震(zhen)(zhen)(zhen)(zhen)區的工程結(jie)構(gou)有良(liang)好的抗震(zhen)(zhen)(zhen)(zhen)減(jian)(jian)振(zhen)(zhen)作(zuo)用(yong)(yong)。



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