鋼波紋涵管連(lian)接(jie)頭的(de)辦法:鋼波(bo)紋涵(han)管(guan)接(jie)口(kou)處(chu)要事務外包(bao)0.3米(mi)長的(de)小號(hao)波(bo)紋管(guan),而且兩(liang)頭頭要對半扭緊,管(guan)理中(zhong)心(xin)不(bu)行留出空閑地(di)。為確保管(guan)理中(zhong)心(xin)沒留空閑地(di),應在兩(liang)連(lian)接(jie)頭邊(bian)際處(chu)搞好(hao)符號(hao)。搞好(hao)后得用膠布包(bao)囊(nang)密不(bu)行分,避免跑漿(jiang)。
鋼波紋涵管質量達標嗎?如何確定呢?
回填(tian)應按(an)6英寸一層給與夯(hang)實以結(jie)構加(jia)固(gu)對涵洞的(de)側(ce)面合外力(li)。波(bo)紋(wen)(wen)管(guan)方位(wei)(wei)定位(wei)(wei)要準確(que),尤其(qi)是靠近接頭(tou)的(de)部位(wei)(wei),波(bo)紋(wen)(wen)管(guan)定位(wei)(wei)鋼(gang)(gang)筋(jin)距離(li)為(wei)0.5米(mi),不能缺少。焊接鋼(gang)(gang)筋(jin)靠近波(bo)紋(wen)(wen)管(guan)時(shi),要采取措施(shi)保(bao)護波(bo)紋(wen)(wen)管(guan)不能被(bei)灼(zhuo)傷(shang),假如不當心(xin)被(bei)灼(zhuo)傷(shang)到(dao),灼(zhuo)傷(shang)處要用膠帶包裹緊密。
考慮到(dao)頂板波紋管數量在逐步減少(shao),但(dan)凡與(yu)波紋管沖突的部件都要躲避波紋管。經施工(gong)(gong)單(dan)位(wei)(wei)(wei)(wei)自行檢(jian)驗合格后,應(ying)由施工(gong)(gong)單(dan)位(wei)(wei)(wei)(wei)向建(jian)設單(dan)位(wei)(wei)(wei)(wei)提出檢(jian)驗請求。單(dan)位(wei)(wei)(wei)(wei)工(gong)(gong)程有分(fen)包(bao)(bao)單(dan)位(wei)(wei)(wei)(wei)施工(gong)(gong)時,分(fen)包(bao)(bao)單(dan)位(wei)(wei)(wei)(wei)對(dui)所承包(bao)(bao)的工(gong)(gong)程應(ying)按相關(guan)規范的規則進行檢(jian)驗,檢(jian)驗時總(zong)承包(bao)(bao)單(dan)位(wei)(wei)(wei)(wei)應(ying)派人(ren)參與(yu);分(fen)包(bao)(bao)工(gong)(gong)程完成后,應(ying)及時地將有關(guan)材料移交總(zong)承包(bao)(bao)單(dan)位(wei)(wei)(wei)(wei)。
鋼波紋涵管質量達標嗎?如何確定呢?
鋼波(bo)(bo)紋(wen)涵管(guan)要(yao)隱瞞保(bao)護保(bao)養(yang),避免日曬雨淋使其(qi)提早脆化。橫(heng)斷(duan)面縮水(shui)率(或縮水(shui)率)鋼波(bo)(bo)紋(wen)涵管(guan)方(fang)向定位(wei)(wei)要(yao)準(zhun),尤其(qi)是(shi)靠(kao)近連(lian)接頭的方(fang)位(wei)(wei),鋼波(bo)(bo)紋(wen)涵管(guan)準(zhun)定位(wei)(wei)修(xiu)建鋼筋距離為0.5米,不行缺少(shao)。在上面常說(shuo)的試(shi)著中,當試(shi)樣(yang)(yang)萌生范(fan)性變形(xing)后(hou),支撐力然后(hou)擴大,試(shi)樣(yang)(yang)終被扯斷(duan)。
這時(shi)候的力就是抗拉強(qiang)度(du)(du),其意(yi)味著符號是σb,企業(ye)是MPa或N立方(fang)毫米(mi)。混(hun)凝(ning)土澆筑(zhu)砼時(shi),禁(jin)止沖(chong)著鋼(gang)波紋涵管(guan)放(fang)料。振搗力度(du)(du)棒禁(jin)止與(yu)波紋管(guan)撞擊,禁(jin)止2個(ge)振搗力度(du)(du)棒夾著一根鋼(gang)波紋涵管(guan)振搗力度(du)(du)。非常是梁端振搗力度(du)(du)時(shi),禁(jin)止振搗力度(du)(du)棒在同一方(fang)向(xiang)長期性振搗力度(du)(du),振搗力度(du)(du)時(shi)刻以不(bu)跨越20秒為標準。
充分考慮現澆板鋼波(bo)紋涵管(guan)(guan)總(zong)數在逐步(bu)減少,只(zhi)要是與鋼波(bo)紋涵管(guan)(guan)排斥的(de)構件有必(bi)要避開波(bo)紋管(guan)(guan)。拆(chai)板時留意保護保養邊(bian)際處(chu)外露的(de)鋼波(bo)紋涵管(guan)(guan)。這(zhe)件事情用手(shou)提震動夯實器是能夠易如反掌地確保的(de)。在涵洞(dong)上(shang)邊(bian)鋪蓋的(de)土(tu)壤層百度查找在于所使用的(de)涵洞(dong)原材料的(de)薄厚,土(tu)壤特性,車子軸重和行車速率。
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/
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