鋼結構網架支座是依(yi)據中華人(ren)民共和國交通行業標準《球形支(zhi)座技術(shu)條(tiao)件(jian)（GB/T17955-2009）及建筑抗(kang)震設(she)計規(gui)范（GB50011-2001）鋼(gang)(gang)結(jie)構設(she)計規(gui)范（GB50017-2003），經詳細的靜(jing)力(li)學、動力(li)學分析(xi)研制而(er)成的新型抗(kang)震減(jian)振(zhen)鋼(gang)(gang)支(zhi)座。抗(kang)震減(jian)振(zhen)支(zhi)座結(jie)構更(geng)加(jia)合理，性(xing)能(neng)更(geng)加(jia)可靠，使用(yong)壽命更(geng)長。

    鋼結構網架支座（又名鋼(gang)(gang)(gang)(gang)(gang)結(jie)構(gou)(gou)(gou)支(zhi)(zhi)座(zuo)）分為(wei)(wei)四個類型(xing)(xing)(xing)(xing)：GKQZ型(xing)(xing)(xing)(xing)鋼(gang)(gang)(gang)(gang)(gang)結(jie)構(gou)(gou)(gou)抗震(zhen)(zhen)鋼(gang)(gang)(gang)(gang)(gang)球(qiu)支(zhi)(zhi)座(zuo)、GJQZ型(xing)(xing)(xing)(xing)鋼(gang)(gang)(gang)(gang)(gang)結(jie)構(gou)(gou)(gou)減(jian)(jian)震(zhen)(zhen)鋼(gang)(gang)(gang)(gang)(gang)球(qiu)支(zhi)(zhi)座(zuo)、GKGZ型(xing)(xing)(xing)(xing)鋼(gang)(gang)(gang)(gang)(gang)結(jie)構(gou)(gou)(gou)抗震(zhen)(zhen)球(qiu)型(xing)(xing)(xing)(xing)鋼(gang)(gang)(gang)(gang)(gang)支(zhi)(zhi)座(zuo)、GJGZ型(xing)(xing)(xing)(xing)鋼(gang)(gang)(gang)(gang)(gang)結(jie)構(gou)(gou)(gou)減(jian)(jian)震(zhen)(zhen)球(qiu)型(xing)(xing)(xing)(xing)鋼(gang)(gang)(gang)(gang)(gang)支(zhi)(zhi)座(zuo)。該支(zhi)(zhi)座(zuo)包(bao)括固定(ding)支(zhi)(zhi)座(zuo)（代碼為(wei)(wei)GD）、單(dan)向支(zhi)(zhi)座(zuo)（代號(hao)(hao)為(wei)(wei)DX）、雙向支(zhi)(zhi)座(zuo)（代號(hao)(hao)為(wei)(wei)SX）三種(zhong)型(xing)(xing)(xing)(xing)式，22個等級，其水(shui)平承載力(li)(li)、豎直方向拔力(li)(li)及支(zhi)(zhi)座(zuo)的整體強度均比普通支(zhi)(zhi)座(zuo)有大(da)幅度提高。該系(xi)列支(zhi)(zhi)座(zuo)采用(yong)(yong)彈(dan)(dan)性(xing)減(jian)(jian)振元件(jian)，當水(shui)平力(li)(li)大(da)到一定(ding)程度后，減(jian)(jian)振彈(dan)(dan)簧開(kai)始發(fa)(fa)生(sheng)(sheng)彈(dan)(dan)性(xing)變形實(shi)現緩沖作用(yong)(yong)。當結(jie)構(gou)(gou)(gou)發(fa)(fa)生(sheng)(sheng)轉(zhuan)角時，球(qiu)芯產生(sheng)(sheng)轉(zhuan)動，釋(shi)放(fang)上(shang)部結(jie)構(gou)(gou)(gou)產生(sheng)(sheng)的轉(zhuan)矩。地(di)震(zhen)(zhen)時，剛性(xing)抗震(zhen)(zhen)措施(shi)和柔性(xing)減(jian)(jian)振措施(shi)同時發(fa)(fa)生(sheng)(sheng)作用(yong)(yong)，以抵(di)御巨大(da)的地(di)震(zhen)(zhen)輸入能量，這樣既能保(bao)證橋(qiao)梁上(shang)、下結(jie)構(gou)(gou)(gou)合理相對位移，減(jian)(jian)小地(di)震(zhen)(zhen)力(li)(li)的放(fang)大(da)系(xi)數，又使結(jie)構(gou)(gou)(gou)保(bao)持(chi)統一性(xing)。該支(zhi)(zhi)座(zuo)可抵(di)御8-11度地(di)震(zhen)(zhen)，對高烈度地(di)震(zhen)(zhen)區尤其直下型(xing)(xing)(xing)(xing)地(di)震(zhen)(zhen)區的工程結(jie)構(gou)(gou)(gou)有良好的抗震(zhen)(zhen)減(jian)(jian)振作用(yong)(yong)。