拉(la)薩整裝(zhuang)鋼波紋管的優(you)缺點同樣非常明(ming)顯
鋼波(bo)(bo)紋管(guan)兩側(ce)的(de)部(bu)位回填采(cai)用級配良(liang)好的(de)天(tian)然(ran)砂礫或與路(lu)基同材料(liao)的(de)回填料(liao)。填筑必須在涵管(guan)兩側(ce)同步對稱進行。鋼波(bo)(bo)紋管(guan)填筑時應分(fen)層(ceng)填筑、分(fen)層(ceng)壓(ya)實,松鋪厚度(du)為20cm,壓(ya)實度(du)要求達到95%方(fang)可進行下層(ceng)填筑。在管(guan)身更大直徑兩側(ce)30cm外使(shi)用18T壓(ya)路(lu)機碾......更多
2019-04-11
拉(la)薩(sa)拼接型鋼波紋涵管的(de)誕生大大提高的(de)運輸效(xiao)率
其中(zhong),環保政(zheng)策的從嚴(yan)使鋼波(bo)紋涵(han)管(guan)對水泥、混凝土(tu)制管(guan)的替換性增強,而跟(gen)著我國管(guan)理城市內澇對相關污(wu)水設(she)計(ji)、排水設(she)計(ji)以及水土(tu)保持尺度的進步,將帶來(lai)巨大的市政(zheng)工程改造需求(qiu)。此外,先(xian)成型后鍍(du)(du)鋅工藝的環保題目將帶來(lai)熱軋重鍍(du)(du)鋅板的需求(qiu)。拼接型鋼波(bo)紋涵(han)管(guan)的......更多
2019-04-11
拉薩鋼波紋涵管的耐(nai)久性及施工便利性優勢非常明顯
鋼(gang)波(bo)紋(wen)涵(han)管(guan)(guan)涵(han)洞(dong)施(shi)(shi)(shi)工(gong)(gong)工(gong)(gong)藝流程(cheng)可分為路(lu)(lu)堤(di)法(fa)和(he)反開槽(cao)回填法(fa),下面(mian)主要先(xian)容(rong)后者(zhe),因其(qi)在施(shi)(shi)(shi)工(gong)(gong)過程(cheng)中不(bu)影響路(lu)(lu)基施(shi)(shi)(shi)工(gong)(gong)整體的(de)進(jin)度(du),故以鋼(gang)波(bo)紋(wen)管(guan)(guan)涵(han)洞(dong)的(de)反開槽(cao)回填法(fa)為例說(shuo)明(ming)(ming)。鋼(gang)波(bo)紋(wen)涵(han)管(guan)(guan)的(de)耐久(jiu)性及施(shi)(shi)(shi)工(gong)(gong)便(bian)利性優勢(shi)非常(chang)明(ming)(ming)顯涵(han)洞(dong)兩側經(jing)由低洼(wa)積(ji)水地帶(dai)時.需要先(xian)設置圍(wei)堰、......更多
2019-04-10
拉薩{資料}鋼波(bo)紋(wen)管涵施(shi)工規(gui)范分享
按照(zhao)鋼波(bo)紋(wen)管(guan)安(an)裝要(yao)求在(zai)基(ji)礎(chu)上(shang)(shang)預(yu)留0.3—1%的(de)預(yu)拱度(du)埋設于(yu)一(yi)(yi)般(ban)土(tu)質地(di)基(ji)上(shang)(shang)的(de)波(bo)紋(wen)管(guan),經由一(yi)(yi)段時(shi)間(jian)后(hou),常會產生(sheng)一(yi)(yi)定的(de)下沉,而且往往是(shi)管(guan)道(dao)中部大于(yu)兩端。因此(ci),鋪(pu)設于(yu)路(lu)堤下的(de)波(bo)紋(wen)管(guan)身(shen)要(yao)設置預(yu)留拱度(du)。其大小根據(ju)地(di)基(ji)土(tu)可(ke)能泛起的(de)下沉量(liang),涵底縱坡和(he)填土(tu)高......更多
2019-04-10
拉薩給大(da)家總結一下鋼波紋(wen)涵管運(yun)用的原因是什么?
我公司生產的(de)鋼(gang)(gang)波(bo)紋涵(han)管(guan)是(shi)具(ju)有一定柔性(xing)的(de)高強度鋼(gang)(gang)管(guan),當波(bo)形(xing)鋼(gang)(gang)管(guan)在涵(han)洞(dong)中使用(yong)(yong)后(hou),在動荷(he)載及(ji)靜荷(he)載共同(tong)作(zuo)用(yong)(yong)下(xia),管(guan)道從理論上來說就會(hui)受(shou)壓變形(xing),鋼(gang)(gang)管(guan)向兩(liang)側擠(ji)壓側壁的(de)土質或其他填料(liao),但壓實(shi)后(hou)側壁的(de)土質對(dui)管(guan)道有一個反作(zuo)用(yong)(yong)力,抑制(zhi)其變形(xing),并幫助管(guan)道承(cheng)受(shou)垂直(zhi)......更(geng)多
2019-04-10
拉薩為什么說(shuo)鋼波紋涵管(guan)是結(jie)構和力(li)學的產物?
鋼(gang)波(bo)紋(wen)涵(han)管(guan)(guan)的波(bo)紋(wen)結構(gou)可使涵(han)洞路(lu)面受力公道,荷載(zai)分布平(ping)均(jun),并具(ju)有一定的抗(kang)變(bian)形(xing)才干,能處(chu)置(zhi)北方冰涼地域(yu)(霜凍)對橋梁和管(guan)(guan)涵(han)砼結構(gou)的破壞題目;使路(lu)表面沒有伸縮縫,提高(gao)行車溫馨。為什么(me)說(shuo)鋼(gang)波(bo)紋(wen)涵(han)管(guan)(guan)是結構(gou)和力學的產物?鋼(gang)波(bo)紋(wen)管(guan)(guan)涵(han)是采(cai)用波(bo)紋(wen)狀(zhuang)管(guan)(guan)或(huo)由波(bo)紋(wen)......更多
2019-04-09
拉(la)薩分享鋼波紋管工程施(shi)工方法及要求
填(tian)筑(zhu)必(bi)需(xu)在鋼波紋管(guan)(guan)(guan)兩側同步對稱進行,兩側的(de)回(hui)填(tian)土高差不(bu)得(de)大(da)于30cm。管(guan)(guan)(guan)頂以上碎石或(huo)沙礫(li)的(de)填(tian)筑(zhu)高度(du)不(bu)小(xiao)于1.0米,管(guan)(guan)(guan)頂填(tian)土厚(hou)度(du)小(xiao)于50cm時,不(bu)得(de)使用(yong)(yong)大(da)于6T的(de)壓(ya)路機械碾(nian)壓(ya),也不(bu)答應施工機械通行。達到(dao)每(mei)種管(guan)(guan)(guan)徑的(de)小(xiao)覆土厚(hou)度(du)后采(cai)用(yong)(yong)振(zhen)動式壓(ya)路機碾(nian)......更(geng)多
2019-04-09
拉薩鋼波紋涵管的選購技巧,浩威質量值得信賴
鋼(gang)波紋(wen)管涵(han)(han)具有自重輕、運輸利便、施工(gong)(gong)(gong)簡便、施工(gong)(gong)(gong)工(gong)(gong)(gong)期(qi)短且造價(jia)低(di)等長處,也(ye)有效地(di)降低(di)了(le)多年凍土(tu)地(di)區涵(han)(han)洞工(gong)(gong)(gong)程的(de)本錢。經由經濟分(fen)析,每道波紋(wen)管涵(han)(han)工(gong)(gong)(gong)程造價(jia)為同樣孔徑的(de)鋼(gang)筋(jin)混凝土(tu)蓋板涵(han)(han)的(de)60%左右。青(qing)藏公路和(he)國外多年凍土(tu)地(di)區金屬波紋(wen)管涵(han)(han)的(de)使用實踐表明,......更多
2019-04-09
拉薩(sa)鋼波紋(wen)涵管選型掌(zhang)握好(hao)這幾個原則就(jiu)可以了
媒介:鋼(gang)(gang)波紋(wen)(wen)涵管(guan)軟(ruan)管(guan)中所輸送的(de)媒介的(de)化(hua)學屬性,押金屬波紋(wen)(wen)管(guan) 軟(ruan)管(guan)材質耐侵蝕機能參變量表(biao),表(biao)決軟(ruan)管(guan)各零件的(de)材質。鋼(gang)(gang)波紋(wen)(wen)涵管(guan)選型掌(zhang)握好這幾(ji)個原則就可(ke)以了溫(wen)度(du):金屬波紋(wen)(wen)管(guan)軟(ruan)管(guan)內媒介的(de)辦公溫(wen)度(du)及(ji)范(fan)圍,金屬波紋(wen)(wen)管(guan)軟(ruan)管(guan) 辦公時(shi)的(de)背景(jing)溫(wen)度(du)。高溫(wen)時(shi),須押金......更多
2019-04-04
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