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天津新技術材(cai)料，鋼(gang)波(bo)紋涵管代替鋼(gang)筋混凝(ning)土

　公(gong)路工(gong)(gong)程的(de)一般(ban)采(cai)(cai)用(yong)鋼(gang)(gang)筋(jin)(jin)混(hun)凝(ning)土(tu)制(zhi)作。現采(cai)(cai)用(yong)鋼(gang)(gang)波(bo)紋涵(han)(han)(han)管代替鋼(gang)(gang)筋(jin)(jin)混(hun)凝(ning)土(tu)進行涵(han)(han)(han)洞施(shi)(shi)工(gong)(gong)在(zai)國內時一項新技術，以其性能穩定(ding)、安裝(zhuang)方便、有(you)利環保、造(zao)價低(di)等優(you)點迅速在(zai)公(gong)路施(shi)(shi)工(gong)(gong)中代替了鋼(gang)(gang)筋(jin)(jin)混(hun)凝(ning)土(tu)施(shi)(shi)工(gong)(gong)的(de)涵(han)(han)(han)洞，發展(zhan)前景(jing)非(fei)常(chang)廣闊。在(zai)公(gong)路施(shi)(shi)工(gong)(gong)中，應用(yong)鋼(gang)(gang)波(bo)紋涵(han)(han)(han)管代替鋼(gang)(gang)筋(jin)(jin)......更(geng)多(duo)

2020-04-07

天津鋼波紋涵管取(qu)代傳統材料，更適合施工(gong)

　鋼(gang)波(bo)紋(wen)涵管(guan)應采用(yong)(yong)拼裝式涵管(guan)施工技術，管(guan)徑(jing)2.0～2.5m構造宜(yi)采用(yong)(yong)管(guan)節對(dui)接(jie)，管(guan)徑(jing)大于等于3.0m構造宜(yi)采用(yong)(yong)片狀弧(hu)形波(bo)紋(wen)板螺絲(si)銜接(jie)拼裝。依據設(she)計(ji)提(ti)供的導線(xian)(xian)點、直(zhi)線(xian)(xian)曲線(xian)(xian)轉角表(biao)及涵洞設(she)計(ji)圖(tu)紙，推算出鋼(gang)波(bo)紋(wen)管(guan)涵縱橫軸線(xian)(xian)坐標運用(yong)(yong)全站儀停止總體定位及細......更多

2020-04-07

天津影響鋼波紋(wen)涵管使(shi)用壽命的原因？

　鋼(gang)波紋(wen)(wen)涵管是一(yi)種(zhong)柔性(xing)結構(gou)，鋼(gang)波紋(wen)(wen)涵管在結構(gou)上具有橫向補償位移的優(you)良(liang)特(te)(te)性(xing)，可充分發(fa)揮鋼(gang)材抗拉性(xing)能強(qiang)、變形性(xing)能優(you)越的特(te)(te)點(dian)，具有較大(da)的抗變形和抗沉降能力，特(te)(te)別(bie)適合于軟土(tu)、膨脹土(tu)、濕陷性(xing)黃土(tu)等地(di)(di)(di)基承(cheng)載力較低地(di)(di)(di)區和地(di)(di)(di)震多發(fa)地(di)(di)(di)區。隨著波紋(wen)(wen)管涵在世界各地(di)(di)(di)......更多

2020-04-06

天(tian)津如何證明了鋼波(bo)紋(wen)涵(han)管(guan)的通(tong)用(yong)性(xing)？

　在公路施(shi)(shi)工中(zhong)，應用(yong)鋼(gang)波(bo)紋(wen)(wen)涵(han)(han)(han)(han)管代替(ti)金屬筋混凝土進行(xing)(xing)涵(han)(han)(han)(han)洞施(shi)(shi)工的歷史已經有100多年了(le)。1896年，美(mei)國(guo)率行(xing)(xing)波(bo)紋(wen)(wen)管涵(han)(han)(han)(han)通道、涵(han)(han)(han)(han)管的可行(xing)(xing)性研究。其后，在美(mei)國(guo)、加拿大、澳大利亞等國(guo)的公路建設中(zhong)，均采用(yong)了(le)鋼(gang)波(bo)紋(wen)(wen)涵(han)(han)(han)(han)管進行(xing)(xing)涵(han)(han)(han)(han)洞的施(shi)(shi)工。如何證明了(le)鋼(gang)波(bo)紋(wen)(wen)涵(han)(han)(han)(han)管的通......更多

2020-04-06

天津高溫時鋼波紋涵(han)管(guan)的壓力系數分析

　外(wai)部熱流體與(yu)外(wai)管(guan)的對流換熱;溫(wen)度軟管(guan)內介質(zhi)的事情溫(wen)度及(ji)范疇；軟辦事情時的環境溫(wen)度。高(gao)溫(wen)時，須按鋼(gang)波紋(wen)涵管(guan)高(gao)溫(wen)下的事情壓(ya)力(li)溫(wen)度修正系(xi)數(shu)，確定溫(wen)度修正后(hou)的壓(ya)力(li)，以確定選用的壓(ya)力(li)等級。高(gao)溫(wen)時鋼(gang)波紋(wen)涵管(guan)的壓(ya)力(li)系(xi)數(shu)分(fen)析(xi)內管(guan)與(yu)外(wai)管(guan)間隙內液池中工質(zhi)的蒸發......更多

2020-04-03

天津鋼波紋涵管規格怎么選擇？

　嚴厲控制出(chu)場鋼(gang)波(bo)(bo)(bo)(bo)紋(wen)(wen)涵管的原料質量(liang)。進到現場的波(bo)(bo)(bo)(bo)紋(wen)(wen)管要會集堆放規整(zheng)，工(gong)(gong)(gong)人(ren)不得(de)在(zai)鋼(gang)波(bo)(bo)(bo)(bo)紋(wen)(wen)管上踩踏。從成(cheng)(cheng)型(xing)工(gong)(gong)(gong)藝來(lai)分(fen)類(lei)，鋼(gang)波(bo)(bo)(bo)(bo)紋(wen)(wen)涵管又(you)可分(fen)為(wei)滾壓成(cheng)(cheng)形、液壓成(cheng)(cheng)型(xing)模式、沉積(ji)成(cheng)(cheng)型(xing)以及焊接(jie)成(cheng)(cheng)。鋼(gang)波(bo)(bo)(bo)(bo)紋(wen)(wen)涵管規格怎么選(xuan)擇？公路(lu)鐵路(lu)施(shi)工(gong)(gong)(gong)時怎樣(yang)選(xuan)擇正確規格的鋼(gang)波(bo)(bo)(bo)(bo)紋(wen)(wen)涵管？......更多

2020-04-03

天津(jin)如果(guo)不(bu)是有了鋼波紋(wen)涵(han)管我們(men)的高(gao)速公路建設(she)還不(bu)會這么快

　允(yun)許的(de)位移(yi)和工(gong)(gong)作(zuo)位移(yi)，鋼(gang)波(bo)(bo)紋(wen)涵管(guan)在(zai)不(bu)產(chan)生(sheng)塑性變形情況下(xia)所能(neng)達到的(de)更大位移(yi)稱允(yun)許位移(yi)，而工(gong)(gong)作(zuo)過(guo)程更大的(de)位移(yi)你工(gong)(gong)作(zuo)位移(yi)。為了(le)保(bao)證波(bo)(bo)紋(wen)涵管(guan)在(zai)整個工(gong)(gong)作(zuo)過(guo)程中性能(neng)穩定可靠和較高的(de)使用(yong)壽(shou)命，工(gong)(gong)作(zuo)的(de)位移(yi)般(ban)取(qu)允(yun)許位移(yi)的(de)40%~50%。如果不(bu)是有了(le)鋼(gang)波(bo)(bo)紋(wen)涵管(guan)......更多

2020-04-03

天(tian)津鋼(gang)波紋涵管與(yu)水泥管的比較與(yu)思考

　大量實(shi)驗證明(ming)，高速公路的鋼波紋涵管(guan)(guan)按防撞等級分為A級和S級（加強(qiang)型(xing)），具(ju)有減(jian)輕沖擊的能力，表(biao)面(mian)不(bu)撞擊后斷裂，中(zhong)間(jian)骨架結(jie)構吸收撞擊力，不(bu)易損(sun)壞(huai)，在很大程度上減(jian)少了(le)對汽車和人體的損(sun)害。S型(xing)護(hu)欄為加強(qiang)型(xing)，適用于特別危(wei)險的路段。鋼波紋涵管(guan)(guan)與水泥管(guan)(guan)的......更多

2020-04-03

天津(jin)鋼波(bo)紋涵管施(shi)工那(nei)部分風險大？

　鋼(gang)(gang)波(bo)(bo)紋(wen)(wen)(wen)涵(han)管(guan)作為一種(zhong)新型技術在公路涵(han)洞工程(cheng)施工中的(de)具有(you)(you)很大的(de)優勢，鋼(gang)(gang)波(bo)(bo)紋(wen)(wen)(wen)涵(han)管(guan)洞技術不僅具有(you)(you)施工周期短、適應能力強、地基承載力要(yao)求低的(de)特點，而且具有(you)(you)較強的(de)耐性(xing)，可(ke)以大大減少施工的(de)時間，因而這(zhe)種(zhong)技術被運用。鋼(gang)(gang)波(bo)(bo)紋(wen)(wen)(wen)涵(han)管(guan)施工那部分風險大？鋼(gang)(gang)波(bo)(bo)紋(wen)(wen)(wen)涵(han)管(guan)從......更多(duo)

2020-04-02

天津鋼波紋涵管(guan)走紅的秘密(mi)

　鋼波(bo)(bo)紋(wen)涵(han)管(guan)(guan)，是指鋪埋在(zai)公路(lu)，鐵路(lu)下(xia)面的(de)涵(han)洞用螺紋(wen)波(bo)(bo)紋(wen)管(guan)(guan)，它是由波(bo)(bo)形(xing)金屬板卷制成或用半圓波(bo)(bo)形(xing)鋼片(pian)拼制成的(de)圓形(xing)波(bo)(bo)紋(wen)管(guan)(guan)，應(ying)用于公路(lu)，鐵路(lu)，小(xiao)橋，通道(dao)(dao)，擋土墻(qiang)以(yi)及各種(zhong)礦場，巷道(dao)(dao)擋墻(qiang)支護(hu)等工程中的(de)涵(han)洞（管(guan)(guan)）。波(bo)(bo)紋(wen)管(guan)(guan)涵(han)是與鋼筋混(hun)凝土管(guan)(guan)涵(han)相比，具有管(guan)(guan)節薄......更多

2020-04-02