wangjiajiegouyibandouzhichengzaizhudinghuoquanliangdengxiabuzhichengjiegoushang
，zhizuojiedianjizhiweiyuzhichengjiegoushangdewangjiajiedian。tajiyaolianjiezaiwangjiazhichengchuhuijiaodeganjian，youyaozhichengzhenggewangjia，bingjiangzuoyongzaiwangjiashangdehezaichuandidaoxiabuzhichengjiegou。yinci，zhizuojiedianshiwangjiajiegouyuxiabuzhichengjiegoulianxideniudai，yeshizhenggejiegouzhongdeyigezhongyaobuwei。yigehelidezhizuojiedianbixushishoulimingque、傳力簡捷

、安全可靠，同時還應做到構造簡單合理，製作簡單方便，具有較好的經濟性。

   網wang架jia結jie構gou的de支zhi座zuo節jie點dian應ying能neng保bao證zheng安an全quan可ke靠kao地di傳chuan遞di支zhi承cheng反fan力li，因yin此ci必bi須xu具ju有you足zu夠gou的de強qiang度du和he剛gang度du。在zai豎shu向xiang荷he載zai作zuo用yong下xia，支zhi承cheng節jie點dian一yi般ban均jun為wei受shou壓ya，但dan在zai一yi些xie斜xie放fang類lei的de網wang架jia中zhong
，局ju部bu支zhi座zuo節jie點dian可ke能neng承cheng受shou拉la力li作zuo用yong
，有you時shi還hai可ke能neng要yao承cheng受shou水shui平ping力li的de作zuo用yong
，設she計ji時shi應ying使shi支zhi座zuo節jie點dian的de構gou造zao適shi應ying它ta們men的de受shou力li特te點dian。同tong時shi支zhi座zuo節jie點dian的de構gou造zao還hai應ying盡jin量liang符fu合he計ji算suan假jia定ding
，充chong分fen反fan映ying設she計ji意yi圖tu。由you於yu網wang架jia結jie構gou是shi高gao次ci超chao靜jing定ding的de杆gan件jian體ti係xi，支zhi座zuo節jie點dian的de約yue束shu條tiao件jian對dui網wang架jia的de節jie點dian位wei移yi和he杆gan件jian內nei力li影ying響xiang較jiao大da
；約(yue)束(shu)條(tiao)件(jian)在(zai)構(gou)造(zao)和(he)設(she)計(ji)間(jian)的(de)差(cha)異(yi)將(jiang)直(zhi)接(jie)導(dao)致(zhi)杆(gan)件(jian)內(nei)力(li)和(he)支(zhi)座(zuo)反(fan)力(li)的(de)改(gai)變(bian)
，有(you)時(shi)還(hai)會(hui)造(zao)成(cheng)杆(gan)件(jian)內(nei)力(li)變(bian)號(hao)。因(yin)此(ci)對(dui)網(wang)架(jia)結(jie)構(gou)支(zhi)座(zuo)節(jie)點(dian)的(de)設(she)計(ji)應(ying)給(gei)予(yu)足(zu)夠(gou)的(de)重(zhong)視(shi)。