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ruohejikuaiyouhaozhuangzhiyuzhihunningtugoujian

fabushihou: 2021-11-09 16:10:00 yuedu: 183

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bangenzhechaixieshixiujiandexunmengchengzhang,yuzhigoujianzhuangzhibuduiruyuhouchunsunbanbushichengxianhechengzhangqiangda,danyinwei***shouyigongrenchuxuquefa、peixungenbushang、banlibudaoweidengyuanyouzhishileyuzhigoujianzhuangzhifangmianchengxianheluolulebushaotimu。zaiyuzhigoujianzhuangzhijinchengzhong,diaozhuangqianchoubanbuchongshi,jinchengjiezhibuxixin,geguanjianchachaobudaoweideng,jiuhuigouchengzhuangzhipinzhichengxiantimu,naizhigouchengbujuningjingdengfangmiandeyinhuan。yuzhigoujianzhuangzhiqianduigoujianjizhuangzhilianximiandechachaobudaoweijiunenggouchengxianliangleifeichanghuanjing,yishigoujianmeifazhuangzhi,bifangjicenggoujianhuoxianjiaocengshenchugangjindiweiwuchaguoda、guanjiangtaotonggengsaihuobuchuizhi、goujianbenshenchicunchaochadengchengshigouchenggoujianmeifazhuangzhi;ershigoujianbunengzhuangzhi,bifangjicenggoujianhuoxianjiaocengshenchugangjintaiduan,bunengchadaotaotongdehuadingdiwei,gangjinjiumeifagouchengkaodezhuyouyongdepilian(tu1),zaibifanggoujianliehen、quelengdiaojiaoyanjun,chengshigouchenggoujianbunengzhuangzhi。


tu1 shenchugangjinshifeibuyi


diehebandiaozhuangshi,ruoshizilizhichixitongbuanwen,biaogaoweitingzhiyankujiezhi,zaidiehebandiaozhuangshixianhou,jiunenggouhuigouchengdiehebandimiansijiaobiaochonggaogaoguicha,jixiujianbujuyanshoujihengyuzhuangxiudailaihendafeishi;zhichibuanwenhaihenyounenggougouchengningjingbianluan。yuzhiqiangbanzhuangzhihou,buzhengshizhuangzhidiweideqiequexing,duichuizhidubutingzhiyankudechachaoyanshou,rusizhucengtingzhidiaozhuangshigong,jiuhuigouchengjiaodadewuchajilei,jiyingxiangxiujianpinzhi,yehuiduiqiyudehouxuxianggan***deshigonggouchengyingxiang。neimo,ruohenengzuodaojikuaiyouhaodijingquezhuangzhiyuzhihunningtugoujianni?


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qishou,duiyuzhigoujianzhuangzhiquanjinchengtingzhiyankubakong,shibaozhangyuzhigoujianzhuangzhipinzhidetiaojian,yeshizhizuojigeyouliangdechaixieshihunningtuxiujiandegenben。


(1)预制构件出场查抄功课要点  


1)预制构件参加后,需对预制构件规格、数目、尺寸、外表品质及伸出钢筋、预埋件、预留孔洞等停止查抄验收(图2)。


tu2 yuzhiloutiyumaijianchachao


2)预制构件外表应光亮平坦,不得呈现缺棱、掉角、蜂窝、麻面等严峻品质缺点(图3)。


tu3 yuzhigoujianwaibiaochengxianfengwo、jiazhadengyanjunquedian


3)需接纳光照、灌水、通气、敲击等体例对预制构件灌浆套筒的畅达环境停止查抄(图4)。


tu4 tongqijianceguanjiangtaotongchangdahuanjing


(2)预制构件装置前筹办功课要点


1)装置部位查抄。对预制构件所要毗连钢筋的规格、数目、地位、伸出长度停止查抄(图5)。还要查抄混凝土装置连系面清算、凿毛、潮湿等是不是知足请求(图6)。


图5 伸出钢筋定位模板


图6 连系面清算、凿毛和潮湿查抄


2)装备和机具查抄。预制构件吊装前,需对起重装备、吊具、吊索、索具、支持系统部件等停止合用性、宁静性、靠得住性查抄。起重装备等机具还应接纳试运转、试吊装的体例停止查抄(图7)。


tu7 yonglitijiashidiaojudiaozhuangdiehelouban


3)预制构件装置节制线放线。按照施工图纸弹出轴线及节制线;并按照施工楼层基准线和施工图纸停止构件地位边线简直定(图8)。对构件边线、中间线及标高节制线等定位标识应作较着标记和辨别。


tu8 yuzhigoujiandiweibianxian


(3)经常使用预制构件装置要点


yuzhigoujiandiaozhuangshiyaochihuanqidiao,daigoujianshengzhijukongzhong60cmgaoshilvezuogeqian,chachaoxuanguashibushianwen,querenwuwuhouchixugongke。


yuzhigoujianzaijuzhuangzhidiweishangfang60cmgaobaibulvezuogeqian,shigongzhiyuanshoufugoujian,jiezhigoujianchihuanzheluojiuwei(tu9)。


tu9 shigongzhiyuanshoufugoujianjiezhigoujianchihuanzheluo


1)预制墙板装置要点。按照图纸及现场测定的现实标高设置标高节制垫片;墙板吊装时,必须用***吊具吊运;墙板就位后当即装置牢固姑且支持,并摘除吊钩(图10);经由过程调理姑且支持停止墙板地位和垂直度的切确调剂。


图10 姑且支持牢固后摘除吊钩


2)叠合楼板装置要点。装置前要停止支持搭设,并停止支持顶端标高校订;


diehebanjiuweihou,tingzhibandibiaogaohejiefenggaochadechachaojixiaohe,ruoyouwuchakejingyouguochengdiaolibanxiadekediaozhichigaodutingzhidiaoji(tu11)。


tu11 dieheloubandiaozhuangjiuwei


3)预制外挂墙板装置要点。外挂墙板就位后,按照之前节制线,调剂外挂


qiangbandechengdu、chuizhijibiaogao,daidiaojidaoxukewuchaguimoneihoujiangluoshuanjingudaoshexiangqingqiu;waiguaqiangbanzhengmianzhongxianjibanmianchuizhidudexiaohe,yingyizhongxianweizhudiaoji;waiguaqiangbangaodixiaodingshi,yingyishufengweizhudiaoji,bingzhiwailimianpingtanweizhu。waiguaqiangbanjunweizilizichengzhonggoujian,yingbaozhangbanfengzhouweiweidanxingmifengjiguan(tu12)。


tu12 yuzhiwaiguabanqiangzhuangzhijiedian


4)预制楼梯装置要点。用是非绳子吊装楼梯,保障楼梯的起吊角度与就位


houjiaodufenqi。weilejiaodukediaoyekeyonglianggeshoulahuluqudaixiacedelianggengangsisheng(tu13);ruoyouyuliuchajin,yingzhuzhongjiangchajinyuloutideyuliukongdongmiaozhunhou,jiangloutizhuangzhijiuwei。


tu13 yuzhiloutidiaozhuang


(4)姑且支持支设及撤除要点


1)竖向构件的上支点宜设置在预制构件高度2/3处;竖向构件支持在空中上的支点,应使斜支持与空中的程度夹角坚持在45°至60°之间(图14)。


tu14 yuzhijianliqiangbanzhichixitong


2)牢固竖向预制构件斜支持的地脚,优先接纳预埋体例,并注重预埋地位的切确性(图15)。


tu15 diehecengyumaizhichidijiao


3)程度构件自力支持的间距要严酷节制,不得随便加大支持间距,并节制好自力支持离墙体的间隔(图16),保障全部系统的不变性。


tu16 zilizhichixitongdashe


4)预制构件毗连部位后浇混凝土及灌浆料的强度到达设想请求后,方可撤除姑且支持系统。


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