允許的位(wei)移和(he)工作位(wei)移,鋼波紋涵管(guan)在不(bu)產生塑性變形情況下所能達到的更大位(wei)移(yi)(yi)稱允許位(wei)移(yi)(yi),而工(gong)(gong)作(zuo)過(guo)程(cheng)(cheng)更大的位(wei)移(yi)(yi)你(ni)工(gong)(gong)作(zuo)位(wei)移(yi)(yi)。為了保證波紋(wen)涵管在整個工(gong)(gong)作(zuo)過(guo)程(cheng)(cheng)中性能穩定可(ke)靠和較(jiao)高的使用壽命,工(gong)(gong)作(zuo)的位(wei)移(yi)(yi)般取允許位(wei)移(yi)(yi)的40%~50%。
如果不是有了鋼波紋涵管我們的高速公路建設還不會這么快
應用于公路(lu)、鐵(tie)路(lu)、小橋、通(tong)道(dao)、擋土墻以及各種礦場巷(xiang)道(dao)擋墻支(zhi)護等工(gong)程中的涵洞(dong)(管)。波(bo)紋涵管有(you)圓形(xing)(xing)、橢圓形(xing)(xing)、半(ban)圓形(xing)(xing)等,進(jin)出口也(ye)可按(an)照邊坡比例做成(cheng)斜口,加工(gong)波(bo)紋管管徑范(fan)圍Φ0.5m~Φ8m,管壁厚度(du)為(wei)3mm~7mm,能夠(gou)滿(man)足填土0.5m~40m厚的需要。
更(geng)大壓(ya)縮長度(du)(du)在外力(li)作用下(xia),金(jin)屬(shu)波(bo)(bo)紋涵(han)管(guan)(guan)在被壓(ya)縮到波(bo)(bo)紋之間彼(bi)此互相(xiang)(xiang)緊密接觸時的(de)長度(du)(du)。更(geng)大壓(ya)縮位(wei)移金(jin)屬(shu)波(bo)(bo)紋涵(han)管(guan)(guan)在壓(ya)縮到波(bo)(bo)紋之間相(xiang)(xiang)互緊密接觸時所能(neng)產(chan)生的(de)更(geng)大位(wei)移。涵(han)管(guan)(guan)、波(bo)(bo)紋管(guan)(guan)涵(han)、鋼制波(bo)(bo)紋管(guan)(guan)涵(han)洞(dong)、金(jin)屬(shu)波(bo)(bo)紋涵(han)管(guan)(guan)適應(ying)地(di)基變形能(neng)力(li)強,對(dui)地(di)基承(cheng)載能(neng)力(li)、平整度(du)(du)要求較(jiao)低,工程實際造價比同(tong)類跨(kua)徑(jing)的(de)橋、涵(han)洞(dong)相(xiang)(xiang)近或較(jiao)低。
產品介紹:坑底平(ping)面位置、尺寸及高程是否(fou)滿足設(she)計(ji)要求(qiu)。基(ji)(ji)底地基(ji)(ji)承載力是否(fou)與設(she)計(ji)相符。基(ji)(ji)底處理(li)和(he)排(pai)水是否(fou)滿足要求(qiu),基(ji)(ji)底標(biao)高必須(xu)(xu)按設(she)計(ji)嚴格控制,一切松(song)(song)散浮(fu)土必須(xu)(xu)清除。若有局部(bu)超挖(wa),不能用松(song)(song)土填充,只能在基(ji)(ji)礎施工時(shi)調平(ping)。
波(bo)紋管涵(han)的優點:耐壓(ya)力(li)和(he)工作壓(ya)力(li)大直(zhi)徑鋼波紋涵(han)管在(zai)保(bao)(bao)持穩(wen)(wen)定(ding)狀(zhuang)態(tai)或不(bu)產(chan)生塑性變形(如波(bo)(bo)距的(de)(de)(de)均勻性不(bu)破壞,波(bo)(bo)紋不(bu)歪斜等)條件下,能夠(gou)承(cheng)受的(de)(de)(de)更大(da)靜壓(ya)(ya)力(li)稱波(bo)(bo)紋涵(han)管(guan)的(de)(de)(de)耐壓(ya)(ya)力(li)。而工作(zuo)的(de)(de)(de)壓(ya)(ya)力(li)指在(zai)整(zheng)個工作(zuo)過(guo)程(cheng)中,承(cheng)受的(de)(de)(de)更大(da)玉力(li)為了保(bao)(bao)證波(bo)(bo)紋涵(han)管(guan)工作(zuo)時(shi)性能穩(wen)(wen)定(ding)可靠和具有較高的(de)(de)(de)使用壽命,工作(zuo)的(de)(de)(de)壓(ya)(ya)力(li)一(yi)般取(qu)耐壓(ya)(ya)力(li)的(de)(de)(de)40%~50%。
挖至設(she)計高程且地(di)基(ji)承載力(li)滿足設(she)計要求時(shi),應報請監理工程師驗收,及時(shi)下基(ji)封閉回填(tian),以免地(di)下水(shui)或(huo)地(di)表(biao)水(shui)影響(xiang)地(di)基(ji)承載力(li)。金(jin)屬(shu)波(bo)紋(wen)(wen)(wen)涵管(guan)也叫波(bo)紋(wen)(wen)(wen)管(guan)涵,是(shi)指鋪埋在公路、鐵(tie)路下的涵洞用螺紋(wen)(wen)(wen)波(bo)紋(wen)(wen)(wen)管(guan),它是(shi)由(you)波(bo)形(xing)金(jin)屬(shu)板卷制成或(huo)用半(ban)圓波(bo)形(xing)鋼(gang)片拼制成的圓形(xing)波(bo)紋(wen)(wen)(wen)管(guan)。
涵(han)管(guan)(guan)、波(bo)紋管(guan)(guan)涵(han)、鋼(gang)制波(bo)紋管(guan)(guan)涵(han)洞、金屬波(bo)紋涵(han)管(guan)(guan)結構受(shou)力情況合(he)理,荷(he)載(zai)分布均勻(yun),并有一定的(de)(de)抗變形能力。解決(jue)北(bei)方(fang)寒冷地區(霜凍)對橋梁和管(guan)(guan)涵(han)砼(tong)結構的(de)(de)破壞問(wen)題(ti)。當波(bo)紋涵(han)管(guan)(guan)達到更大壓縮位移時,往往已經產生(sheng)了塑(su)性(xing)變形,所(suo)以(yi)工作(zuo)時在(zai)不允許達到這(zhe)一數值。
進行工(gong)廠集中化生(sheng)(sheng)產,生(sheng)(sheng)產不受(shou)環境影響,有利降低成本、控制質量。涵(han)管(guan)(guan)(guan)、波(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)(guan)涵(han)、鋼制波(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)(guan)涵(han)洞、金(jin)屬波(bo)(bo)紋(wen)(wen)(wen)涵(han)管(guan)(guan)(guan)現(xian)場(chang)安裝方便(bian),不需使用大型(xing)設備。涵(han)管(guan)(guan)(guan)、波(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)(guan)涵(han)、鋼制波(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)(guan)涵(han)洞、金(jin)屬波(bo)(bo)紋(wen)(wen)(wen)涵(han)管(guan)(guan)(guan)采用標準化設計,生(sheng)(sheng)產、設計簡單,生(sheng)(sheng)產周期短(duan)。
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