鋼波紋涵管連(lian)(lian)接(jie)頭(tou)(tou)(tou)的辦法:鋼波(bo)紋(wen)(wen)涵管(guan)接(jie)口處要事務外包0.3米長的小號(hao)波(bo)紋(wen)(wen)管(guan),而(er)且兩頭(tou)(tou)(tou)頭(tou)(tou)(tou)要對半扭緊,管(guan)理(li)中(zhong)(zhong)心不(bu)行(xing)留出空(kong)閑(xian)地。為確保管(guan)理(li)中(zhong)(zhong)心沒留空(kong)閑(xian)地,應在兩連(lian)(lian)接(jie)頭(tou)(tou)(tou)邊際處搞好符號(hao)。搞好后得(de)用膠布包囊密不(bu)行(xing)分,避免跑漿。
鋼波紋涵管質量達標嗎?如何確定呢?
回填應按6英寸(cun)一層給與夯實以結構加固對(dui)涵洞的側面合外力。波(bo)紋管方位(wei)定(ding)位(wei)要(yao)準(zhun)確,尤其是靠近(jin)接頭的部位(wei),波(bo)紋管定(ding)位(wei)鋼筋距(ju)離(li)為(wei)0.5米,不能(neng)缺少。焊接鋼筋靠近(jin)波(bo)紋管時(shi),要(yao)采取(qu)措施保護波(bo)紋管不能(neng)被灼傷(shang)(shang),假如不當(dang)心被灼傷(shang)(shang)到,灼傷(shang)(shang)處要(yao)用膠帶包裹緊密。
考慮(lv)到頂(ding)板波(bo)紋管數量在逐步減少,但凡與波(bo)紋管沖突的部件都要躲避波(bo)紋管。經施(shi)工(gong)(gong)(gong)單(dan)位(wei)(wei)自行檢驗(yan)合格(ge)后,應由施(shi)工(gong)(gong)(gong)單(dan)位(wei)(wei)向建(jian)設單(dan)位(wei)(wei)提出檢驗(yan)請求。單(dan)位(wei)(wei)工(gong)(gong)(gong)程(cheng)有分(fen)(fen)包(bao)(bao)單(dan)位(wei)(wei)施(shi)工(gong)(gong)(gong)時(shi),分(fen)(fen)包(bao)(bao)單(dan)位(wei)(wei)對所承包(bao)(bao)的工(gong)(gong)(gong)程(cheng)應按相關規(gui)范(fan)的規(gui)則進行檢驗(yan),檢驗(yan)時(shi)總承包(bao)(bao)單(dan)位(wei)(wei)應派人參與;分(fen)(fen)包(bao)(bao)工(gong)(gong)(gong)程(cheng)完成后,應及(ji)時(shi)地將(jiang)有關材(cai)料移交(jiao)總承包(bao)(bao)單(dan)位(wei)(wei)。
鋼波紋涵管質量達標嗎?如何確定呢?
鋼(gang)(gang)波(bo)紋(wen)涵(han)(han)管要(yao)(yao)隱(yin)瞞保護保養(yang),避免日曬(shai)雨淋(lin)使(shi)其提(ti)早脆化。橫斷面(mian)縮(suo)水率(lv)(或縮(suo)水率(lv))鋼(gang)(gang)波(bo)紋(wen)涵(han)(han)管方向定(ding)位要(yao)(yao)準,尤其是(shi)靠近連(lian)接頭的(de)方位,鋼(gang)(gang)波(bo)紋(wen)涵(han)(han)管準定(ding)位修建鋼(gang)(gang)筋距(ju)離為0.5米,不行(xing)缺少。在(zai)上面(mian)常說(shuo)的(de)試著中,當試樣萌生范性變形后,支撐力(li)然后擴大,試樣終(zhong)被(bei)扯(che)斷。
這時(shi)候(hou)的力(li)(li)就是抗拉強(qiang)度,其意味著符號是σb,企業(ye)是MPa或N立方(fang)毫米。混凝土澆筑(zhu)砼時(shi),禁(jin)(jin)止(zhi)沖(chong)著鋼(gang)波(bo)(bo)紋涵管(guan)放料。振(zhen)(zhen)(zhen)(zhen)(zhen)搗(dao)力(li)(li)度棒禁(jin)(jin)止(zhi)與(yu)波(bo)(bo)紋管(guan)撞(zhuang)擊,禁(jin)(jin)止(zhi)2個(ge)振(zhen)(zhen)(zhen)(zhen)(zhen)搗(dao)力(li)(li)度棒夾著一根鋼(gang)波(bo)(bo)紋涵管(guan)振(zhen)(zhen)(zhen)(zhen)(zhen)搗(dao)力(li)(li)度。非(fei)常(chang)是梁端振(zhen)(zhen)(zhen)(zhen)(zhen)搗(dao)力(li)(li)度時(shi),禁(jin)(jin)止(zhi)振(zhen)(zhen)(zhen)(zhen)(zhen)搗(dao)力(li)(li)度棒在同一方(fang)向(xiang)長期性振(zhen)(zhen)(zhen)(zhen)(zhen)搗(dao)力(li)(li)度,振(zhen)(zhen)(zhen)(zhen)(zhen)搗(dao)力(li)(li)度時(shi)刻以不跨越20秒為標準。
充分考慮(lv)現澆板鋼(gang)波紋涵管總(zong)數在逐(zhu)步(bu)減少(shao),只要(yao)是與鋼(gang)波紋涵管排斥(chi)的(de)構件有必要(yao)避開波紋管。拆板時留意保護保養邊際(ji)處外露的(de)鋼(gang)波紋涵管。這件事(shi)情用手提震動夯實器是能夠(gou)易如反掌地(di)確保的(de)。在涵洞上邊鋪蓋的(de)土壤(rang)層百度查找在于所(suo)使用的(de)涵洞原(yuan)材料的(de)薄(bo)厚(hou),土壤(rang)特(te)性,車(che)子軸(zhou)重和(he)行車(che)速率。
在生產制作上強烈推薦的是用承載力強的土并把它夯實到相當于金屬鋼波紋涵管直徑的薄厚。上邊常說的試樣在拉殿后,勘測拉殿后的橫斷面頸縮與原先斷平面圖或物塊表層的尺寸的比,稱為橫斷面縮水率,其意味著符號為φ。//hanihanbj.com/
分享此文章: |