晉城鋼波(bo)紋(wen)涵管的組成分(fen)類及選型方法
對(dui)公路涵(han)洞來說,涵(han)洞的不(bu)平(ping)均沉降是其(qi)毀壞的主要型式之一,鋼波(bo)紋涵(han)管具有(you)重量輕(qing)、裝置(zhi)便當快(kuai)捷(jie)、耐久性好、工程(cheng)造(zao)價低、抗變形才能強、減少(shao)通車后(hou)養護本錢等特性。根底處置(zhi):可(ke)回填(tian)砂礫(li)或砌筑片(pian)石(shi)砼,對(dui)基(ji)底停止(zhi)平(ping)整,換填(tian)30-50cm厚(hou)的砂礫(li)資料,密(mi)實......更多
2019-03-12
晉城(cheng)為什么說要加(jia)強鋼波紋(wen)涵(han)管的承載能力(li)迫在(zai)眉(mei)睫?
液(ye)壓成形(xing)(xing)是(shi)金(jin)屬鋼波(bo)(bo)紋(wen)(wen)涵(han)管(guan)(guan)應用(yong)常見的(de)一種成形(xing)(xing)方法。主(zhu)要用(yong)來制造環形(xing)(xing)波(bo)(bo)紋(wen)(wen)涵(han)管(guan)(guan),可(ke)成形(xing)(xing)壁厚0.08-4mm的(de)波(bo)(bo)紋(wen)(wen)涵(han)管(guan)(guan)。波(bo)(bo)紋(wen)(wen)涵(han)管(guan)(guan)液(ye)壓成形(xing)(xing)是(shi)管(guan)(guan)坯在(zai)受內壁液(ye)體壓力下,當應力超(chao)過屈服強度后,在(zai)專用(yong)模其(qi)內成形(xing)(xing)為波(bo)(bo)紋(wen)(wen)涵(han)管(guan)(guan)。金(jin)屬波(bo)(bo)紋(wen)(wen)涵(han)管(guan)(guan)2.機(ji)械成形(xing)(xing)工藝波(bo)(bo)紋(wen)(wen)涵(han)管(guan)(guan)......更多
2019-03-11
晉城(cheng)鋼(gang)波紋涵管基礎施工(gong)方案分享
兩(liang)側(ce)分歧(qi)錯誤稱回填(tian)(tian)導致(zhi)鴨蛋(dan)圓,嚴峻的導致(zhi)塌垮。兩(liang)側(ce)填(tian)(tian)土(tu)不密(mi)實,導致(zhi)變形過(guo)大。管體50cm內兩(liang)側(ce)回填(tian)(tian)材料達不到(dao)要求(qiu),應填(tian)(tian)沙性材料,鋼波(bo)紋(wen)涵管施(shi)工時(shi)卻填(tian)(tian)筑了黃土(tu)、膨脹土(tu)等材料,遇水變軟,無承載能力,導致(zhi)管體橫向變形過(guo)大。鋼波(bo)紋(wen)涵管基(ji)礎(chu)施(shi)工方案分......更多
2019-03-08
晉城怎樣把鋼波紋涵管的填土(tu)夯(hang)實緊密?
如果當(dang)淤(yu)泥4-6米(mi)深,填(tian)土超過10米(mi),采(cai)用(yong)(yong)清(qing)淤(yu)拋石處(chu)理方法(fa),一般(ban)(ban)清(qing)淤(yu)深度為(wei)2-4米(mi),拋石厚度一般(ban)(ban)為(wei)2-3m,讓(rang)其穩定后,采(cai)用(yong)(yong)壓(ya)(ya)實(shi)(shi)機械壓(ya)(ya)實(shi)(shi),為(wei)保(bao)證基礎整體性,建(jian)議還要在80厘米(mi)墊層中鋪設(she)兩(liang)道土工(gong)格柵。當(dang)淤(yu)泥大于6米(mi)深時,采(cai)用(yong)(yong)CFG基樁加固,然......更多
2019-03-08
晉(jin)城分(fen)享幾(ji)個比較典型(xing)的鋼(gang)波(bo)紋管(guan)施工案例(li)
鋼(gang)波(bo)(bo)紋管(guan)(guan)方案比(bi)較 三個方案對比(bi)情況見表1。鋼(gang)波(bo)(bo)紋圓管(guan)(guan)涵特點及上風經由(you)現場踏(ta)勘(kan)地質地形(xing),采用鋼(gang)波(bo)(bo)紋圓管(guan)(guan)涵長處在于:①波(bo)(bo)形(xing)鋼(gang)板(ban)管(guan)(guan)涵同時具有剛性和柔性,結構受力公(gong)道。荷載分布(bu)平均,具有一定的(de)(de)抗(kang)變形(xing) 能(neng)力。分享幾個比(bi)較典型(xing)的(de)(de)鋼(gang)波(bo)(bo)紋管(guan)(guan)施(shi)工案例海內行業......更多
2019-03-07
晉城公路專(zhuan)用鋼波紋(wen)管施工注意事項(xiang)解析
兩側(ce)可(ke)用粗沙水密(mi)法密(mi)實或澆注混凝土震(zhen)驚棒搗實;頂部采用高壓泵送膨(peng)脹水泥沙漿。該(gai)節管(guan)附近填筑(zhu)終了(le)今(jin)后(hou),將第二(er)節管(guan)運至,進(jin)行兩管(guan)的銜(xian)接(jie)(jie)(jie),鋼波紋(wen)管(guan)的銜(xian)接(jie)(jie)(jie)方法為內法蘭螺栓銜(xian)接(jie)(jie)(jie),工人可(ke)在(zai)管(guan)內銜(xian)接(jie)(jie)(jie)。銜(xian)接(jie)(jie)(jie)終了(le)后(hou)以(yi)上述一樣(yang)的辦(ban)法進(jin)行回填。依此挨次(ci),完成(cheng)整(zheng)道......更多
2019-03-07
晉城鋼制波紋(wen)涵(han)管兩個管道(dao)連接該怎(zen)么辦?
波紋(wen)涵(han)管(guan)基礎處理,可回填沙礫(li)或砌筑(zhu)片石砼。對基底進行(xing)平(ping)整(zheng),換(huan)填30-50cm厚的(de)沙礫(li)材料,密實度(du)達到(dao)90%以上,選擇適當的(de)流(liu)水縱坡3%左右(you)。定出每道涵(han)洞的(de)中線和(he)邊線。鋼(gang)制(zhi)波紋(wen)涵(han)管(guan)施工時,采用分段施工的(de)方(fang)法,預先在原拱涵(han)基底用角鋼(gang)并排兩(liang)根,長......更(geng)多(duo)
2019-03-07
晉(jin)城(cheng)拼裝鋼波(bo)紋管的運(yun)輸優勢(shi)還是(shi)非常明顯的
鋼(gang)波(bo)紋管(guan)液壓成(cheng)(cheng)(cheng)形(xing)(xing)工藝的(de)樞紐是(shi)階段的(de)成(cheng)(cheng)(cheng)形(xing)(xing)壓力(li)和脹(zhang)形(xing)(xing)程(cheng)(cheng)(cheng)(cheng)度,通(tong)過(guo)成(cheng)(cheng)(cheng)形(xing)(xing)壓力(li)來控制脹(zhang)形(xing)(xing)程(cheng)(cheng)(cheng)(cheng)度,假(jia)如脹(zhang)形(xing)(xing)程(cheng)(cheng)(cheng)(cheng)度較大,管(guan)材(cai)輕易破裂,假(jia)如脹(zhang)形(xing)(xing)程(cheng)(cheng)(cheng)(cheng)度太小(xiao),脹(zhang)形(xing)(xing)沒有(you)起到軸(zhou)向(xiang)定位作用,成(cheng)(cheng)(cheng)型之后的(de)波(bo)紋管(guan)波(bo)紋不齊,成(cheng)(cheng)(cheng)品率(lv)比較低。拼裝鋼(gang)波(bo)紋管(guan)的(de)運輸優勢還是(shi)非常(chang)明顯(xian)的(de)鋼(gang)波(bo)紋......更多
2019-03-06
晉城鋼(gang)波紋涵管(guan)的工(gong)藝要(yao)求你知道幾點?
在上(shang)海新開(kai)河試驗(yan)涵直徑(jing)(jing)4m,與同跨徑(jing)(jing)箱涵相比,新開(kai)河試驗(yan)涵節省5萬元(yuan),節約費用10%左右。在國內(nei)獲得多專利,1997年開(kai)始在青藏(zang)多年凍土區研究應(ying)用同時專家們公布(bu)鋼(gang)制波紋管(guan)應(ying)用論(lun)文,通過現場施工以認證了金(jin)屬波紋涵管(guan)的(de)優(you)越(yue)性和施工性。鋼(gang)波紋涵管(guan)......更多
2019-03-06
晉城鋼波紋管涵根底挖設方法有(you)幾種?
鋼波紋管模(mo)板(ban)(ban)安裝(zhuang)的質量(liang)要求:基本(ben)要求:模(mo)板(ban)(ban)及支架(jia)應具有良好(hao)的強度、剛(gang)度和不(bu)亂(luan)性。模(mo)板(ban)(ban)表面平整,接縫(feng)應平整、嚴(yan)密不(bu)漏漿。質量(liang)尺度:質量(liang)要求符合設計及《公路橋涵施工(gong)技術規范》(JTG/T F50-2011)的劃定。模(mo)板(ban)(ban)、支架(jia)及拱架(jia)制作時(shi)的答應偏......更多
2019-03-05
版權所有(you):衡水浩威(wei)新材(cai)料有(you)限(xian)公司 ICP備案(an)/許可證(zheng)號: 技術支持: