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崇明新技(ji)術材(cai)料，鋼波紋(wen)涵管代替(ti)鋼筋混凝(ning)土

　公路(lu)(lu)工(gong)程的(de)一般(ban)采用(yong)鋼(gang)(gang)筋(jin)混凝土制作。現采用(yong)鋼(gang)(gang)波(bo)紋涵管(guan)代替(ti)鋼(gang)(gang)筋(jin)混凝土進(jin)行涵洞施(shi)工(gong)在國(guo)內時一項新技術，以其(qi)性能穩定(ding)、安裝方便、有利環保、造價低等優點(dian)迅速(su)在公路(lu)(lu)施(shi)工(gong)中(zhong)代替(ti)了鋼(gang)(gang)筋(jin)混凝土施(shi)工(gong)的(de)涵洞，發展前景非(fei)常廣闊。在公路(lu)(lu)施(shi)工(gong)中(zhong)，應用(yong)鋼(gang)(gang)波(bo)紋涵管(guan)代替(ti)鋼(gang)(gang)筋(jin)......更多

2020-04-07

崇明鋼波紋涵管取代(dai)傳統材(cai)料，更適合(he)施工

　鋼波紋(wen)涵(han)(han)管(guan)(guan)應采用(yong)(yong)拼裝(zhuang)(zhuang)式涵(han)(han)管(guan)(guan)施工技術，管(guan)(guan)徑2.0～2.5m構(gou)造宜采用(yong)(yong)管(guan)(guan)節對(dui)接，管(guan)(guan)徑大于等(deng)于3.0m構(gou)造宜采用(yong)(yong)片狀弧形(xing)波紋(wen)板螺絲銜接拼裝(zhuang)(zhuang)。依(yi)據(ju)設計(ji)提供的導線(xian)(xian)點、直線(xian)(xian)曲(qu)線(xian)(xian)轉角表及(ji)涵(han)(han)洞設計(ji)圖紙(zhi)，推(tui)算出鋼波紋(wen)管(guan)(guan)涵(han)(han)縱橫軸線(xian)(xian)坐標(biao)運用(yong)(yong)全站(zhan)儀停(ting)止總體定(ding)位及(ji)細(xi)......更多

2020-04-07

崇(chong)明影響鋼波紋(wen)涵管使用壽命的原因？

　鋼(gang)波紋涵(han)(han)管(guan)(guan)是一種(zhong)柔性結構(gou)，鋼(gang)波紋涵(han)(han)管(guan)(guan)在(zai)(zai)結構(gou)上具(ju)有橫向補償位移(yi)的(de)優(you)良(liang)特性，可充分發(fa)揮鋼(gang)材抗拉性能(neng)強、變(bian)形(xing)性能(neng)優(you)越的(de)特點，具(ju)有較(jiao)大(da)的(de)抗變(bian)形(xing)和抗沉降能(neng)力(li)，特別(bie)適合(he)于軟土、膨脹土、濕陷性黃土等(deng)地基承載力(li)較(jiao)低地區和地震多(duo)發(fa)地區。隨(sui)著波紋管(guan)(guan)涵(han)(han)在(zai)(zai)世界(jie)各地......更多(duo)

2020-04-06

崇明如何(he)證(zheng)明了鋼波紋涵管(guan)的通(tong)用性？

　在公路施工中(zhong)，應用(yong)鋼波紋(wen)涵(han)(han)(han)管(guan)代替金屬筋混凝土(tu)進行涵(han)(han)(han)洞施工的(de)歷史(shi)已經有100多年了。1896年，美(mei)國(guo)率行波紋(wen)管(guan)涵(han)(han)(han)通(tong)道、涵(han)(han)(han)管(guan)的(de)可(ke)行性研究。其后(hou)，在美(mei)國(guo)、加拿(na)大(da)(da)、澳大(da)(da)利亞(ya)等國(guo)的(de)公路建設(she)中(zhong)，均(jun)采用(yong)了鋼波紋(wen)涵(han)(han)(han)管(guan)進行涵(han)(han)(han)洞的(de)施工。如何證明了鋼波紋(wen)涵(han)(han)(han)管(guan)的(de)通(tong)......更多

2020-04-06

崇明高溫時(shi)鋼波紋涵管的壓(ya)力系數分析

　外部(bu)熱流體與外管(guan)的(de)對流換熱;溫(wen)(wen)度(du)軟管(guan)內(nei)介質的(de)事情溫(wen)(wen)度(du)及范疇；軟辦(ban)事情時(shi)的(de)環境溫(wen)(wen)度(du)。高(gao)溫(wen)(wen)時(shi)，須按鋼波紋涵(han)管(guan)高(gao)溫(wen)(wen)下的(de)事情壓力(li)溫(wen)(wen)度(du)修正系(xi)數，確定溫(wen)(wen)度(du)修正后的(de)壓力(li)，以(yi)確定選用的(de)壓力(li)等級。高(gao)溫(wen)(wen)時(shi)鋼波紋涵(han)管(guan)的(de)壓力(li)系(xi)數分析內(nei)管(guan)與外管(guan)間(jian)隙內(nei)液池中(zhong)工(gong)質的(de)蒸發......更多

2020-04-03

崇明鋼波紋涵管(guan)規格(ge)怎么(me)選擇(ze)？

　嚴厲控制出場(chang)鋼(gang)波(bo)(bo)(bo)紋(wen)(wen)涵(han)(han)管的原料質量。進到現(xian)場(chang)的波(bo)(bo)(bo)紋(wen)(wen)管要會集堆(dui)放規整，工人不得在鋼(gang)波(bo)(bo)(bo)紋(wen)(wen)管上踩(cai)踏(ta)。從成(cheng)(cheng)(cheng)(cheng)(cheng)型(xing)工藝來分類(lei)，鋼(gang)波(bo)(bo)(bo)紋(wen)(wen)涵(han)(han)管又可分為滾壓成(cheng)(cheng)(cheng)(cheng)(cheng)形、液(ye)壓成(cheng)(cheng)(cheng)(cheng)(cheng)型(xing)模式、沉積成(cheng)(cheng)(cheng)(cheng)(cheng)型(xing)以及(ji)焊接成(cheng)(cheng)(cheng)(cheng)(cheng)。鋼(gang)波(bo)(bo)(bo)紋(wen)(wen)涵(han)(han)管規格怎么選擇(ze)(ze)？公路(lu)鐵(tie)路(lu)施工時怎樣選擇(ze)(ze)正確規格的鋼(gang)波(bo)(bo)(bo)紋(wen)(wen)涵(han)(han)管？......更多

2020-04-03

崇明如(ru)果不是有了鋼波(bo)紋涵管(guan)我們(men)的(de)高速公路建設(she)還不會(hui)這么(me)快(kuai)

　允許(xu)的位(wei)(wei)(wei)(wei)移(yi)和工(gong)(gong)作位(wei)(wei)(wei)(wei)移(yi)，鋼波紋涵管(guan)在(zai)不產(chan)生塑性變形情況下所能達到的更大位(wei)(wei)(wei)(wei)移(yi)稱允許(xu)位(wei)(wei)(wei)(wei)移(yi)，而工(gong)(gong)作過(guo)程更大的位(wei)(wei)(wei)(wei)移(yi)你工(gong)(gong)作位(wei)(wei)(wei)(wei)移(yi)。為了保證波紋涵管(guan)在(zai)整個工(gong)(gong)作過(guo)程中性能穩定可靠和較高(gao)的使用壽命(ming)，工(gong)(gong)作的位(wei)(wei)(wei)(wei)移(yi)般取允許(xu)位(wei)(wei)(wei)(wei)移(yi)的40%~50%。如(ru)果不是有了鋼波紋涵管(guan)......更多

2020-04-03

崇明鋼(gang)波紋涵管與水(shui)泥管的比較(jiao)與思(si)考

　大(da)量實(shi)驗證明，高速公路的鋼波(bo)紋涵管按防撞(zhuang)等級(ji)分(fen)為A級(ji)和S級(ji)（加強型(xing)），具有減輕沖擊的能(neng)力，表(biao)面(mian)不(bu)撞(zhuang)擊后斷裂，中間骨(gu)架結(jie)構吸收撞(zhuang)擊力，不(bu)易損壞，在(zai)很大(da)程度上減少了對汽車(che)和人體的損害(hai)。S型(xing)護欄為加強型(xing)，適用于特別危險的路段。鋼波(bo)紋涵管與水泥管的......更多(duo)

2020-04-03

崇(chong)明鋼波紋涵管施工(gong)那部(bu)分風險大？

　鋼(gang)(gang)波(bo)(bo)(bo)紋(wen)(wen)涵管(guan)作為一種(zhong)新型技(ji)術在公路涵洞(dong)工(gong)(gong)程施(shi)工(gong)(gong)中的(de)具(ju)(ju)有(you)很大(da)的(de)優勢，鋼(gang)(gang)波(bo)(bo)(bo)紋(wen)(wen)涵管(guan)洞(dong)技(ji)術不僅具(ju)(ju)有(you)施(shi)工(gong)(gong)周(zhou)期(qi)短(duan)、適應(ying)能力強、地基承載力要(yao)求低的(de)特(te)點(dian)，而且具(ju)(ju)有(you)較強的(de)耐(nai)性(xing)，可以大(da)大(da)減少(shao)施(shi)工(gong)(gong)的(de)時(shi)間，因(yin)而這種(zhong)技(ji)術被運用(yong)。鋼(gang)(gang)波(bo)(bo)(bo)紋(wen)(wen)涵管(guan)施(shi)工(gong)(gong)那部(bu)分風險(xian)大(da)？鋼(gang)(gang)波(bo)(bo)(bo)紋(wen)(wen)涵管(guan)從......更多

2020-04-02

崇明鋼波紋涵管(guan)走(zou)紅(hong)的秘密

　鋼波紋(wen)(wen)(wen)涵(han)(han)管(guan)(guan)，是指鋪埋在公路，鐵路下面的涵(han)(han)洞用(yong)螺紋(wen)(wen)(wen)波紋(wen)(wen)(wen)管(guan)(guan)，它是由波形(xing)金屬(shu)板卷制成或用(yong)半圓波形(xing)鋼片拼制成的圓形(xing)波紋(wen)(wen)(wen)管(guan)(guan)，應用(yong)于公路，鐵路，小(xiao)橋，通道(dao)，擋土(tu)墻以(yi)及各(ge)種(zhong)礦場，巷道(dao)擋墻支護等工程中的涵(han)(han)洞（管(guan)(guan)）。波紋(wen)(wen)(wen)管(guan)(guan)涵(han)(han)是與鋼筋混(hun)凝土(tu)管(guan)(guan)涵(han)(han)相比，具(ju)有(you)管(guan)(guan)節薄......更多

2020-04-02