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天(tian)津鋼波紋涵管解決了(le)勻稱地基沉降的難題！！

　鋼波紋(wen)(wen)涵(han)管解(jie)決了勻稱地基(ji)沉降的難(nan)題！！鋼波紋(wen)(wen)涵(han)管選(xuan)用(yong)規范化設(she)計方案，生產制造，設(she)計方案簡易，生產制造周期時間短(duan)；工(gong)(gong)(gong)程(cheng)(cheng)項(xiang)目具(ju)體(ti)工(gong)(gong)(gong)程(cheng)(cheng)造價(jia)比(bi)類似(si)跨距的橋，涵(han)洞低；工(gong)(gong)(gong)程(cheng)(cheng)施(shi)工(gong)(gong)(gong)短(duan)工(gong)(gong)(gong)期，關(guan)鍵為組裝工(gong)(gong)(gong)程(cheng)(cheng)施(shi)工(gong)(gong)(gong)；金屬材料波紋(wen)(wen)涵(han)管替代混(hun)凝土結構(gou)開展涵(han)洞工(gong)(gong)(gong)程(cheng)(cheng)施(shi)工(gong)(gong)(gong)，......更多(duo)

2020-10-07

天津公路鋼波紋涵(han)管對(dui)地基承載力(li)的要求

　施工(gong)(gong)簡(jian)單、周(zhou)期(qi)短采用鋼波(bo)紋(wen)管施工(gong)(gong)T期(qi)短，土建(jian)與(yu)型材安(an)裝(zhuang)(zhuang)可分(fen)開實(shi)施，然后進行整(zheng)體拼(pin)裝(zhuang)(zhuang)。鋼波(bo)紋(wen)管涵相比鋼筋混凝土涵，可節(jie)省工(gong)(gong)期(qi)近(jin)1個多月，以長10m的構造物為(wei)(wei)(wei)例：整(zheng)裝(zhuang)(zhuang)式波(bo)紋(wen)管現(xian)場安(an)裝(zhuang)(zhuang)時間約為(wei)(wei)(wei)0.5d，回埴時間約為(wei)(wei)(wei)1d；拼(pin)裝(zhuang)(zhuang)式波(bo)紋(wen)管涵現(xian)場拼(pin)裝(zhuang)(zhuang)時間......更多

2020-08-21

天(tian)津談談公路鋼(gang)波紋涵管(guan)的連接方法

　預(yu)防鋼波(bo)紋(wen)管(guan)對(dui)接(jie)時的(de)(de)滲漏(lou) 運輸方便，波(bo)紋(wen)管(guan)涵的(de)(de)重量只(zhi)有同口(kou)徑水(shui)泥管(guan)的(de)(de)1/10到1/5，即使在窄的(de)(de)場所沒有運輸設(she)備，人工也(ye)可運輸。在我們對(dui)鋼波(bo)紋(wen)管(guan)進(jin)行對(dui)接(jie)時一定要確(que)寶對(dui)接(jie)口(kou)處(chu)(chu)的(de)(de)氣密性，如果(guo)在對(dui)接(jie)時操作失誤(wu)對(dui)造成鋼波(bo)紋(wen)管(guan)在整個工程當(dang)中處(chu)(chu)在滲漏(lou)當(dang)......更(geng)多

2020-08-19

天津公路鋼(gang)波紋涵管施工受季節影響嗎(ma)？

　公(gong)路鋼波(bo)(bo)紋(wen)涵(han)管(guan)重(zhong)量輕(qing)、施工便捷；現場(chang)安裝方便，不(bu)需使用(yong)大型(xing)設備。 結(jie)構(gou)(gou)受力情況(kuang)合理，荷載分布均勻，并有一(yi)定的抗變形能力。 鋼波(bo)(bo)紋(wen)涵(han)管(guan)換填深(shen)度一(yi)般根(gen)據當地凍(dong)深(shen)等確定。設置構(gou)(gou)造物地基要盡(jin)可能避(bi)開柔軟層與(yu)巖石的交界(jie)處，當無法避(bi)開時(shi)，柔軟區間(jian)要用(yong)級......更多(duo)

2020-08-14

天津鋼波紋涵管的長度可以隨意進(jin)行組合嗎？

　設(she)置(zhi)構(gou)造物地(di)基要(yao)盡可能避開(kai)柔(rou)軟層與巖(yan)(yan)石的交(jiao)界處，當無法避開(kai)時，柔(rou)軟區間要(yao)用級(ji)配良好的砂礫仔細夯實（厚度大(da)于0.6m），巖(yan)(yan)石區應開(kai)挖至(zhi)少0.3m后用砂礫松鋪，以減(jian)小相(xiang)對(dui)變位。考慮到地(di)下水及其影響，建議在(zai)非凍地(di)區也采用砂礫基礎。鋼波紋涵管的長度......更多

2020-08-10

天津鋼波紋管回填時對土質有要求嗎？

　確(que)定鋼(gang)波(bo)(bo)紋(wen)(wen)(wen)涵(han)(han)管(guan)(guan)(guan)(guan)層(ceng)數(shu)根(gen)據波(bo)(bo)紋(wen)(wen)(wen)涵(han)(han)管(guan)(guan)(guan)(guan)的(de)(de)用(yong)途、工作(zuo)壓力(li)、剛度(du)、工作(zuo)介質等因(yin)(yin)素確(que)定波(bo)(bo)紋(wen)(wen)(wen)涵(han)(han)管(guan)(guan)(guan)(guan)的(de)(de)層(ceng)數(shu)。由分析不同(tong)的(de)(de)剛度(du)計算公(gong)式知道，在總壁后相等的(de)(de)條件下，多(duo)層(ceng)波(bo)(bo)紋(wen)(wen)(wen)涵(han)(han)管(guan)(guan)(guan)(guan)的(de)(de)剛度(du)只是(shi)單層(ceng)波(bo)(bo)紋(wen)(wen)(wen)涵(han)(han)管(guan)(guan)(guan)(guan)剛度(du)的(de)(de)1/z1.5或1/z2。因(yin)(yin)此多(duo)層(ceng)波(bo)(bo)紋(wen)(wen)(wen)涵(han)(han)管(guan)(guan)(guan)(guan)具有變形應力(li)小，使用(yong)......更(geng)多(duo)

2020-08-03

天津鋼(gang)波紋(wen)涵管的引進使(shi)用與工藝要(yao)求

　　1896年美國(guo)率行(xing)(xing)鋼(gang)波(bo)紋(wen)管通道(dao)、鋼(gang)波(bo)紋(wen)涵管的(de)(de)可(ke)行(xing)(xing)性研(yan)究；1923年美國(guo)鐵路(lu)工程(cheng)協會在伊利諾斯州的(de)(de)中央鐵路(lu)應用鋼(gang)波(bo)紋(wen)管通道(dao)進行(xing)(xing)實體(ti)測試；1929年加(jia)拿(na)大首座鋼(gang)波(bo)紋(wen)管用于一煤礦中；1931年澳(ao)大利亞(ya)建成8米(mi)汽車通道(dao)一座；1990年日本高速公路(lu)......更多(duo)

2020-07-27

天津(jin)鋼波紋涵管(guan)拼接時需要(yao)遵(zun)循哪些原(yuan)則？

　鋼波(bo)紋(wen)(wen)涵(han)管是一種柔(rou)性(xing)結構，波(bo)紋(wen)(wen)管涵(han)在結構上具(ju)有橫向補償(chang)位移的(de)優(you)良特(te)性(xing)，可(ke)以充分發揮(hui)鋼材(cai)抗(kang)拉性(xing)能強、抗(kang)變形能力(li)優(you)越的(de)特(te)點，具(ju)有較大(da)的(de)抗(kang)變形能力(li)和抗(kang)沉降能力(li)，特(te)別(bie)適合(he)于軟土、膨脹土、濕陷性(xing)黃土等地(di)(di)基(ji)承載(zai)力(li)較低的(de)地(di)(di)區和地(di)(di)震多(duo)(duo)發地(di)(di)區。鋼波(bo)紋(wen)(wen)涵(han)管作用......更多(duo)(duo)

2020-07-20

天津鋼波紋涵(han)管亮點有哪(na)些？

　鋼(gang)(gang)波(bo)(bo)紋涵管(guan)(guan)(guan)是指鋪埋(mai)在(zai)公路(lu)，鐵(tie)(tie)路(lu)下面的涵洞用螺紋，它是由(you)波(bo)(bo)形(xing)金屬板卷制(zhi)成(cheng)或用半圓(yuan)波(bo)(bo)形(xing)鋼(gang)(gang)片(pian)拼制(zhi)成(cheng)的圓(yuan)形(xing)波(bo)(bo)紋管(guan)(guan)(guan)，應用于公路(lu)，鐵(tie)(tie)路(lu)，小橋，通(tong)道，擋土(tu)墻以及各種(zhong)礦場(chang)，巷(xiang)道擋墻支護等工程中(zhong)的涵管(guan)(guan)(guan)。鋼(gang)(gang)波(bo)(bo)紋涵管(guan)(guan)(guan)的優點及適用范圍：鋼(gang)(gang)波(bo)(bo)紋涵管(guan)(guan)(guan)作為一(yi)種(zhong)新型技術在(zai)......更多(duo)

2020-07-04

天津(jin)鋼(gang)波(bo)紋涵管怎么就(jiu)取(qu)代了鋼(gang)筋混凝土，看(kan)完后我驚呆(dai)了！

　實踐證實，用鋼波紋涵(han)(han)(han)管代替鋼筋混凝土進(jin)行(xing)涵(han)(han)(han)洞(dong)施(shi)工(gong)(gong)，不管從(cong)施(shi)工(gong)(gong)周期、施(shi)工(gong)(gong)造價、環保意義等方面都(dou)有其(qi)不可(ke)相比(bi)的(de)(de)優勝性，且用金屬(shu)波紋涵(han)(han)(han)管進(jin)行(xing)涵(han)(han)(han)洞(dong)施(shi)工(gong)(gong)，可(ke)大大進(jin)步道(dao)路(lu)行(xing)車的(de)(de)恬靜(jing)度(du)與安全性，避免道(dao)路(lu)中(zhong)涵(han)(han)(han)洞(dong)的(de)(de)“錯臺(tai)跳車”現形，有利(li)于(yu)解(jie)決西北及我(wo)國嚴寒地......更多

2020-06-30