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伸缩缝的宁静装配步骤

时候:2018-07-20 11:42:47 点击:

1、咱(zan)们请求施(shi)工单元将伸(shen)(shen)缩(suo)缝(feng)(feng)(feng)吊装(zhuang)就位,查抄此(ci)中间线(xian)与(yu)梁(liang)缝(feng)(feng)(feng)中间线(xian)是(shi)不(bu)是(shi)重合,其(qi)顶面(mian)与(yu)路面(mian)标高(gao)是(shi)不(bu)是(shi)分(fen)歧,实(shi)(shi)时停止调剂。将预(yu)娩钢(gang)筋(jin)和(he)伸(shen)(shen)缩(suo)缝(feng)(feng)(feng)锚固件焊接安稳,再横穿(chuan) 12或 16程度钢(gang)筋(jin)。必然(ran)要当即(ji)撤除伸(shen)(shen)缩(suo)缝(feng)(feng)(feng)定位压板(ban),錾去定位螺丝,并(bing)用(yong)(yong)角向砂(sha)轮磨去焊疤,补(bu)上(shang)(shang)油漆。用(yong)(yong)胶粘纸带或木(mu)板(ban)密封伸(shen)(shen)缩(suo)缝(feng)(feng)(feng)顶面(mian)缝(feng)(feng)(feng)口,在槽口部(bu)位即(ji)浇(jiao)筑50号混凝土(tu);用(yong)(yong)拔出式振动(dong)棒(bang),充实(shi)(shi)振捣密实(shi)(shi)。抹(mo)平混凝土(tu)过分(fen)段(duan)外表。用(yong)(yong)直尺查抄伸(shen)(shen)缩(suo)缝(feng)(feng)(feng)顶面(mian)、过分(fen)段(duan),应尽可能与(yu)路面(mian)平顺。做(zuo)好混凝土(tu)摄生前方可通(tong)车。带有防撞墙(qiang),人行道布局的伸(shen)(shen)缩(suo)缝(feng)(feng)(feng),参造上(shang)(shang)述装(zhuang)配工序功课。 

2、装配(pei)前应查抄(chao)伸(shen)(shen)缩缝是(shi)不(bu)是(shi)有出厂(chang)及(ji)格证、利用申(shen)明(ming)书(shu)等,并聘(pin)请监(jian)理、设想(xiang)及(ji)有关职员(yuan)对伸(shen)(shen)缩缝表(biao)面、多少精(jing)度停(ting)止查抄(chao)验收(shou),及(ji)格前方可(ke)(ke)利用。在桥(qiao)梁上停(ting)止划线(xian)(xian)(xian)、切(qie)(qie)割:按照设想(xiang)地位放(fang)出伸(shen)(shen)缩缝中线(xian)(xian)(xian),并按设想(xiang)尺寸从(cong)中线(xian)(xian)(xian)地位量测伸(shen)(shen)缩缝混(hun)凝土(tu)掩护(hu)带(dai)边(bian)(bian)(bian)线(xian)(xian)(xian),用混(hun)凝土(tu)切(qie)(qie)缝机按所画边(bian)(bian)(bian)线(xian)(xian)(xian)切(qie)(qie)割桥(qiao)面沥青混(hun)凝土(tu)。为保(bao)障切(qie)(qie)边(bian)(bian)(bian)不(bu)受粉(fen)碎,可(ke)(ke)分两次(ci)切(qie)(qie)割。第一次(ci)切(qie)(qie)缝间隔掩护(hu)带(dai)边(bian)(bian)(bian)线(xian)(xian)(xian)预留5cm,待浇筑混(hun)凝土(tu)前,再(zai)沿切(qie)(qie)确边(bian)(bian)(bian)线(xian)(xian)(xian)停(ting)止第二次(ci)切(qie)(qie)割。切(qie)(qie)缝请求顺直、切(qie)(qie)确,切(qie)(qie)割时注重不(bu)要粉(fen)碎桥(qiao)面防水层,将防水层卷起予以(yi)掩护(hu)。 

3、必然要(yao)实(shi)(shi)时停(ting)止(zhi)桥面的清(qing)(qing)(qing)算(suan)、填塞空(kong)(kong)隙(xi):野(ye)生共(gong)同空(kong)(kong)压机(ji)断根切割规(gui)模内的沥青混凝(ning)土(tu),并凿除疏松混凝(ning)土(tu),同时将缝(feng)内的杂物清(qing)(qing)(qing)算(suan)清(qing)(qing)(qing)洁(jie)。缝(feng)宽必然要(yao)知足(zu)设想宽度(du)请求,清(qing)(qing)(qing)算(suan)后用苯板(ban)将伸缩缝(feng)堵严(yan)。规(gui)复预(yu)埋锚筋(jin),预(yu)留钢(gang)筋(jin)数目要(yao)与设想图(tu)纸(zhi)符合,若(ruo)不(bu)符合要(yao)实(shi)(shi)时补(bu)焊。用空(kong)(kong)压机(ji)再次(ci)清(qing)(qing)(qing)算(suan)。为防(fang)备伸缩缝(feng)装配进程中焊花烧坏泡沫板(ban),可在泡沫板(ban)两侧(ce)用钢(gang)板(ban)或(huo)铁皮笼(long)盖掩护。 

4.当要装配的伸(shen)(shen)缩缝(feng)(feng)就(jiu)位(wei)用(yong)吊(diao)(diao)车吊(diao)(diao)运时,应查抄好吊(diao)(diao)车的吊(diao)(diao)钩,避(bi)免(mian)脱钩,吊(diao)(diao)装时应严酷按照(zhao)厂家预留(liu)的吊(diao)(diao)位(wei)停止吊(diao)(diao)装,并按照(zhao)设想图纸绑(bang)轧钢(gang)(gang)(gang)(gang)(gang)筋。在牢固进程中接纳拉线(xian)的方式节(jie)制(zhi)(zhi)伸(shen)(shen)缩装配的中线(xian)和直顺度,用(yong)长(zhang)度大于3m具备充足刚度的工字钢(gang)(gang)(gang)(gang)(gang)或铝合金钢(gang)(gang)(gang)(gang)(gang)搭(da)放在伸(shen)(shen)缩缝(feng)(feng)两侧来节(jie)制(zhi)(zhi)高程。工字钢(gang)(gang)(gang)(gang)(gang)沿垂(chui)直伸(shen)(shen)缩缝(feng)(feng)的标(biao)(biao)的目的以1m间(jian)距(ju)安排,并与缝(feng)(feng)两侧路(lu)面压紧,用(yong)木楔(xie)将伸(shen)(shen)缩缝(feng)(feng)型钢(gang)(gang)(gang)(gang)(gang)垫(dian)平,而(er)后用(yong)3m直尺共同(tong)便(bian)宜小门架逐段(duan)切确调平,调平进程中应接纳钢(gang)(gang)(gang)(gang)(gang)楔(xie)。伸(shen)(shen)缩缝(feng)(feng)就(jiu)位(wei)后,应调剂伸(shen)(shen)缩缝(feng)(feng)的中线(xian)及标(biao)(biao)高,标(biao)(biao)高按照(zhao)缝(feng)(feng)两侧5m规模内的实测路(lu)面标(biao)(biao)高肯定。 


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