遂寧鋼波紋涵管的(de)組成分類及選型(xing)方法
對公(gong)路涵洞(dong)來說,涵洞(dong)的不平(ping)均(jun)沉降是其毀壞的主要型式之一(yi),鋼波紋(wen)涵管具有重量輕、裝置便當快捷、耐久(jiu)性(xing)好(hao)、工程造價(jia)低、抗變形才能(neng)強、減(jian)少通車(che)后養(yang)護本錢等特性(xing)。根底(di)處置:可(ke)回(hui)填(tian)砂礫或砌筑片石砼(tong),對基底(di)停止平(ping)整,換(huan)填(tian)30-50cm厚的砂礫資(zi)料,密實......更多(duo)
2019-03-12
遂寧為什么說要加強鋼波紋涵管的(de)承載能力(li)迫在眉睫?
液(ye)壓成形(xing)(xing)是(shi)金(jin)屬(shu)鋼波(bo)(bo)紋(wen)(wen)(wen)涵管(guan)應用(yong)常見的一種(zhong)成形(xing)(xing)方法。主要(yao)用(yong)來制造環形(xing)(xing)波(bo)(bo)紋(wen)(wen)(wen)涵管(guan),可成形(xing)(xing)壁厚0.08-4mm的波(bo)(bo)紋(wen)(wen)(wen)涵管(guan)。波(bo)(bo)紋(wen)(wen)(wen)涵管(guan)液(ye)壓成形(xing)(xing)是(shi)管(guan)坯在受內(nei)壁液(ye)體壓力下,當(dang)應力超過屈服強度后,在專用(yong)模其內(nei)成形(xing)(xing)為波(bo)(bo)紋(wen)(wen)(wen)涵管(guan)。金(jin)屬(shu)波(bo)(bo)紋(wen)(wen)(wen)涵管(guan)2.機械成形(xing)(xing)工藝波(bo)(bo)紋(wen)(wen)(wen)涵管(guan)......更(geng)多
2019-03-11
遂寧鋼波紋涵管基礎施工方案(an)分享
兩側分歧錯誤稱回填導(dao)致(zhi)(zhi)鴨(ya)蛋圓,嚴峻的導(dao)致(zhi)(zhi)塌垮。兩側填土不密實,導(dao)致(zhi)(zhi)變形(xing)過大。管體(ti)(ti)50cm內兩側回填材料(liao)達不到要求,應填沙(sha)性材料(liao),鋼(gang)波紋(wen)涵管施(shi)工(gong)時卻(que)填筑了黃(huang)土、膨脹土等材料(liao),遇水變軟,無(wu)承載能(neng)力,導(dao)致(zhi)(zhi)管體(ti)(ti)橫向變形(xing)過大。鋼(gang)波紋(wen)涵管基(ji)礎施(shi)工(gong)方案分......更多
2019-03-08
遂寧怎樣把鋼波紋(wen)涵(han)管的填土夯實(shi)緊(jin)密(mi)?
如果當(dang)淤(yu)泥(ni)4-6米(mi)(mi)深(shen),填土(tu)超過(guo)10米(mi)(mi),采用(yong)清淤(yu)拋石處(chu)理方法,一般(ban)清淤(yu)深(shen)度為2-4米(mi)(mi),拋石厚度一般(ban)為2-3m,讓其(qi)穩定后,采用(yong)壓實(shi)機械(xie)壓實(shi),為保證基礎整體(ti)性,建議還要(yao)在80厘米(mi)(mi)墊層(ceng)中鋪設(she)兩(liang)道土(tu)工格柵。當(dang)淤(yu)泥(ni)大于6米(mi)(mi)深(shen)時(shi),采用(yong)CFG基樁加(jia)固,然......更多
2019-03-08
遂寧(ning)分享幾個比較典型的鋼波紋管施工案例
鋼波(bo)紋(wen)管(guan)(guan)(guan)方(fang)案(an)比較(jiao)(jiao) 三(san)個方(fang)案(an)對比情況見表1。鋼波(bo)紋(wen)圓管(guan)(guan)(guan)涵(han)特(te)點(dian)及上風(feng)經由現場踏勘(kan)地質地形(xing),采用鋼波(bo)紋(wen)圓管(guan)(guan)(guan)涵(han)長處在于:①波(bo)形(xing)鋼板管(guan)(guan)(guan)涵(han)同時具有剛(gang)性(xing)和柔性(xing),結構受(shou)力(li)公道。荷載分(fen)(fen)布(bu)平均,具有一定的抗(kang)變形(xing) 能(neng)力(li)。分(fen)(fen)享幾個比較(jiao)(jiao)典型的鋼波(bo)紋(wen)管(guan)(guan)(guan)施工(gong)案(an)例海(hai)內行業(ye)......更多(duo)
2019-03-07
遂寧公(gong)路專用(yong)鋼(gang)波紋管施(shi)工注意事(shi)項(xiang)解析
兩側(ce)可用(yong)粗沙(sha)水密法密實或澆注混凝土震驚棒搗實;頂部(bu)采(cai)用(yong)高壓泵送膨脹(zhang)水泥沙(sha)漿。該節管(guan)附近填筑終了今后,將第二節管(guan)運至,進行兩管(guan)的銜(xian)接,鋼波紋管(guan)的銜(xian)接方法為(wei)內(nei)法蘭(lan)螺栓銜(xian)接,工人(ren)可在管(guan)內(nei)銜(xian)接。銜(xian)接終了后以上述一(yi)樣的辦法進行回填。依此挨次,完成整道......更多(duo)
2019-03-07
遂寧(ning)鋼制(zhi)波紋涵管兩(liang)個(ge)管道連(lian)接該怎么辦(ban)?
波紋涵(han)管基礎處(chu)理(li),可(ke)回填沙礫(li)(li)或砌筑片石砼(tong)。對基底進(jin)行平整,換填30-50cm厚的(de)(de)沙礫(li)(li)材料(liao),密實度達(da)到90%以上,選擇適當(dang)的(de)(de)流水縱坡3%左右。定出每道涵(han)洞(dong)的(de)(de)中線和邊線。鋼制波紋涵(han)管施(shi)工時,采用(yong)分段施(shi)工的(de)(de)方法,預先在原拱(gong)涵(han)基底用(yong)角鋼并排兩根,長(chang)......更多
2019-03-07
遂寧拼(pin)裝鋼(gang)波紋(wen)管的運(yun)輸優勢還是非常明顯的
鋼波(bo)(bo)紋(wen)管(guan)液壓(ya)(ya)成形(xing)(xing)(xing)工藝的樞紐是階段的成形(xing)(xing)(xing)壓(ya)(ya)力和脹(zhang)形(xing)(xing)(xing)程度,通(tong)過(guo)成形(xing)(xing)(xing)壓(ya)(ya)力來控制(zhi)脹(zhang)形(xing)(xing)(xing)程度,假如(ru)脹(zhang)形(xing)(xing)(xing)程度較大(da),管(guan)材輕(qing)易破(po)裂,假如(ru)脹(zhang)形(xing)(xing)(xing)程度太小,脹(zhang)形(xing)(xing)(xing)沒(mei)有起到軸向定位作用(yong),成型之后的波(bo)(bo)紋(wen)管(guan)波(bo)(bo)紋(wen)不齊,成品率(lv)比(bi)較低。拼裝鋼波(bo)(bo)紋(wen)管(guan)的運輸(shu)優勢還是非常明顯(xian)的鋼波(bo)(bo)紋(wen)......更(geng)多
2019-03-06
遂寧鋼波紋涵管的(de)工藝要(yao)求你(ni)知(zhi)道幾點?
在(zai)上海新(xin)開河試(shi)驗涵直徑4m,與同跨徑箱涵相比(bi),新(xin)開河試(shi)驗涵節省(sheng)5萬元(yuan),節約(yue)費用10%左右。在(zai)國內獲得多專(zhuan)利,1997年開始在(zai)青藏多年凍(dong)土區研究(jiu)應用同時專(zhuan)家們公布(bu)鋼制(zhi)波(bo)(bo)紋管(guan)應用論文,通過現場施(shi)工以認證了(le)金(jin)屬波(bo)(bo)紋涵管(guan)的優越性(xing)(xing)和施(shi)工性(xing)(xing)。鋼波(bo)(bo)紋涵管(guan)......更多
2019-03-06
遂寧鋼波紋管涵根底挖(wa)設(she)方法有幾種?
鋼(gang)波(bo)紋管模(mo)板安裝(zhuang)的(de)質量要(yao)求:基(ji)本要(yao)求:模(mo)板及(ji)支架應具有良(liang)好(hao)的(de)強度(du)、剛度(du)和(he)不亂性。模(mo)板表面平整(zheng),接縫應平整(zheng)、嚴密不漏漿。質量尺度(du):質量要(yao)求符合(he)設計及(ji)《公路橋涵(han)施工技術規(gui)范》(JTG/T F50-2011)的(de)劃定。模(mo)板、支架及(ji)拱架制作(zuo)時的(de)答應偏......更多
2019-03-05
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