鋼波紋涵管有(you)圓形、鴨子蛋圓形、半圓形等,出入口也可(ke)依照邊坡比例做成斜口,加工波(bo)(bo)紋管(guan)(guan)管(guan)(guan)徑范(fan)圍Φ0.5m~Φ8m,管(guan)(guan)壁厚度為(wei)(wei)3mm~7mm,能夠(gou)滿足填(tian)土0.5m~40m厚的(de)(de)(de)需求。鋼制波(bo)(bo)紋管(guan)(guan)涵具備(bei)工期短(duan)、重量輕(qing)、安裝(zhuang)便捷、經(jing)久性好、工程造(zao)價低、抗變(bian)型(xing)有(you)經(jing)驗強、減損通(tong)車后養(yang)護本(ben)錢等獨(du)特(te)的(de)(de)(de)地(di)(di)方,從(cong)材料與結(jie)(jie)構(gou)和功能的(de)(de)(de)實質關系(xi)上剖析,以(yi)為(wei)(wei)合(he)適而使(shi)用柔性、高超度的(de)(de)(de)鋼制波(bo)(bo)紋管(guan)(guan)涵洞(dong),不止(zhi)具備(bei)適合(he)地(di)(di)基(ji)與基(ji)礎(chu)變(bian)型(xing)的(de)(de)(de)有(you)經(jing)驗,可(ke)以(yi)解決(jue)因地(di)(di)基(ji)基(ji)礎(chu)翹棱均沉降造(zao)成的(de)(de)(de)涵洞(dong)毀傷題目,并且鋼制波(bo)(bo)紋管(guan)(guan)涵洞(dong)由于軸(zhou)向(xiang)波(bo)(bo)紋的(de)(de)(de)存在使(shi)其具備(bei)良(liang)好的(de)(de)(de)受力特(te)點(dian)標志,軸(zhou)向(xiang)和徑向(xiang)同(tong)時(shi)散布(bu)(bu)因荷載引動的(de)(de)(de)應力應變(bian),可(ke)以(yi)更(geng)大程度上散布(bu)(bu)荷載的(de)(de)(de)應力集中(zhong),更(geng)好地(di)(di)發揮鋼結(jie)(jie)構(gou)的(de)(de)(de)上風。特(te)別在高寒凍(dong)土、軟(ruan)土、膨(peng)脹土、濕(shi)陷性黃土等區域,具備(bei)表面化的(de)(de)(de)經(jing)濟(ji)效益。
科普鋼波紋涵管的常見形狀有哪些?
各(ge)管(guan)(guan)節(jie)面流水坡(po)度(du)安(an)裝平順,管(guan)(guan)節(jie)必需墊穩坐(zuo)實,管(guan)(guan)道內不(bu)得遺留(liu)土壤等雜物(wu)。每安(an)裝兩節(jie)進行一次管(guan)(guan)節(jie)的圓度(du)和位(wei)置(zhi)校正。如泛起偏位(wei),采用(yong)千斤頂在偏位(wei)的方(fang)向向上頂管(guan)(guan)節(jie)進行糾(jiu)偏。
鑲石(shi)棉墊(dian)(dian),因為(wei)現場地勢(shi)等原因,有時相鄰兩(liang)法(fa)(fa)(fa)蘭(lan)之(zhi)(zhi)(zhi)間(jian)間(jian)距較(jiao)小,這(zhe)時用(yong)手(shou)錘、鑿子(zi)把兩(liang)法(fa)(fa)(fa)蘭(lan)之(zhi)(zhi)(zhi)間(jian)鑿開大約1cm的縫(feng)(feng)隙(xi),用(yong)螺(luo)絲刀把石(shi)棉墊(dian)(dian)鑲在(zai)(zai)兩(liang)法(fa)(fa)(fa)蘭(lan)之(zhi)(zhi)(zhi)間(jian),有時管子(zi)頂(ding)部兩(liang)法(fa)(fa)(fa)蘭(lan)間(jian)距較(jiao)大,石(shi)棉墊(dian)(dian)鑲嵌(qian)難題,用(yong)綁絲把石(shi)棉墊(dian)(dian)綁在(zai)(zai)螺(luo)栓上固(gu)定,然后工人(ren)開始(shi)對稱鎖緊螺(luo)絲。直(zhi)至從外觀看兩(liang)法(fa)(fa)(fa)蘭(lan)之(zhi)(zhi)(zhi)間(jian)只有2—3mm的縫(feng)(feng)隙(xi)即可。
鋼(gang)制(zhi)波紋管(guan)(guan)涵(han)管(guan)(guan)身安裝(zhuang)(zhuang)前(qian),要檢查涵(han)管(guan)(guan)底部基礎平(ping)整(zheng)度、水(shui)(shui)平(ping)、標高;確定涵(han)洞位置(zhi)、中(zhong)(zhong)央(yang)軸線(xian)(xian)、中(zhong)(zhong)點。連接安裝(zhuang)(zhuang)鋼(gang)制(zhi)波紋管(guan)(guan),根(gen)據(ju)涵(han)洞實際(ji)情(qing)況,排(pai)放涵(han)管(guan)(guan)。假如(ru)涵(han)洞兩側進出(chu)(chu)(chu)水(shui)(shui)口是與路基同坡度的(de)(de)斜口形(xing)式,安裝(zhuang)(zhuang)時(shi)(shi)先安裝(zhuang)(zhuang)中(zhong)(zhong)間(jian)(jian)(jian)管(guan)(guan)節(jie)(jie)(jie)(jie),在(zai)基礎長度方向(xiang)留(liu)出(chu)(chu)(chu)進出(chu)(chu)(chu)水(shui)(shui)口的(de)(de)位置(zhi)。中(zhong)(zhong)間(jian)(jian)(jian)管(guan)(guan)節(jie)(jie)(jie)(jie)全(quan)部安裝(zhuang)(zhuang)完畢,校正(zheng)就位后(hou)再安裝(zhuang)(zhuang)兩側進出(chu)(chu)(chu)水(shui)(shui)口。安裝(zhuang)(zhuang)時(shi)(shi)從(cong)一側排(pai)放根(gen)管(guan)(guan)節(jie)(jie)(jie)(jie),使(shi)(shi)其管(guan)(guan)子中(zhong)(zhong)央(yang)和基礎縱向(xiang)中(zhong)(zhong)央(yang)線(xian)(xian)平(ping)行,同樣把第(di)二根(gen)管(guan)(guan)放置(zhi)就位,當兩根(gen)管(guan)(guan)相(xiang)鄰法蘭間(jian)(jian)(jian)相(xiang)距3~5cm的(de)(de)縫(feng)隙時(shi)(shi),用(yong)(yong)小撬(qiao)棍對(dui)準(zhun)法蘭上(shang)的(de)(de)螺栓孔,使(shi)(shi)其兩根(gen)管(guan)(guan)法蘭上(shang)的(de)(de)螺栓孔對(dui)正(zheng),這時(shi)(shi)從(cong)第(di)二節(jie)(jie)(jie)(jie)管(guan)(guan)的(de)(de)另(ling)一端(duan)用(yong)(yong)撬(qiao)杠撬(qiao)動管(guan)(guan)節(jie)(jie)(jie)(jie),使(shi)(shi)其縱向(xiang)平(ping)移,使(shi)(shi)兩法蘭間(jian)(jian)(jian)距在(zai)2cm左右,然后(hou)全(quan)部穿上(shang)螺栓,擰上(shang)螺絲,帶平(ping)扣即可。此(ci)后(hou)依(yi)此(ci)方式逐節(jie)(jie)(jie)(jie)依(yi)次連接,每道涵(han)洞中(zhong)(zhong)間(jian)(jian)(jian)管(guan)(guan)節(jie)(jie)(jie)(jie)無先后(hou)次序,可以隨(sui)意連接。
鋼波紋涵管是使用波紋狀管(guan)或(huo)(huo)由(you)波紋狀板(ban)經(jing)由(you)連署(shu)、拼裝形成的一種涵(han)洞方(fang)式。波紋管(guan)由(you)鋼、鋁或(huo)(huo)分(fen)子化合物(wu)塑料(liao)等材料(liao)制(zhi)成。用以代替圓管(guan)涵(han)、蓋板(ban)涵(han)、拱涵(han)和小橋的優(you)質馬路建(jian)筑(zhu)材料(liao)。對馬路涵(han)洞來說,涵(han)洞的翹棱(leng)均(jun)沉降(jiang)是其毀(hui)傷(shang)的主要(yao)型式之(zhi)一。
板(ban)的(de)波(bo)(bo)形(xing)為(wei)進(jin)步板(ban)的(de)剛度,板(ban)的(de)截面從平(ping)板(ban)加工成一(yi)定(ding)波(bo)(bo)幅的(de)波(bo)(bo)外形(xing),從加工、拼裝及板(ban)的(de)剛度要求(qiu)出發(fa),并參照海內外同(tong)類(lei)產品的(de)波(bo)(bo)形(xing),管(guan)直徑(jing)小(xiao)于(yu)1.5m的(de)波(bo)(bo)距為(wei)125mm, 波(bo)(bo)高為(wei)25mm;管(guan)直徑(jing)大于(yu)1.5m的(de)波(bo)(bo)距為(wei)200mm,波(bo)(bo)高為(wei)55mm。
板(ban)的尺寸和厚(hou)度為便于板(ban)的加工制作(zuo),結構的安裝連接,進步板(ban)的制作(zuo)精(jing)度,板(ban)材(cai)的尺寸宜適應不(bu)同管徑(jing)的需(xu)要(yao),以(yi)形成系列化。板(ban)的厚(hou)度隨結構跨(kua)徑(jing)的大小(xiao)變化,板(ban)厚(hou)可選(xuan)用(yong) 2.5-8 mm。
鋼波(bo)紋(wen)涵管的材(cai)料主要(yao)有鋼質波(bo)紋(wen)板材(cai)和高(gao)強度螺栓連接(jie)組成,其中(zhong)鋼質波(bo)紋(wen)板材(cai)采用(yong)海內(nei)普遍使用(yong)的A3或Q235- B熱(re)軋(ya)鋼板,鋼板的理(li)化指標(biao)要(yao)求(qiu)達到國際GB700的有關要(yao)求(qiu)。防(fang)(fang)腐方式(shi):一(yi)般采用(yong)熱(re)鍍鋅(xin)防(fang)(fang)腐,鍍鋅(xin)量600克/平方米,如(ru)有特殊要(yao)求(qiu)時,可(ke)進行二次(ci)防(fang)(fang)腐,內(nei)外層覆塑PE或環氧樹脂。經二次(ci)防(fang)(fang)腐使用(yong)壽命可(ke)進步50年。
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