鋼波紋涵管有圓形(xing)(xing)、鴨子蛋圓形(xing)(xing)、半(ban)圓形(xing)(xing)等,出入口也可依照邊坡比例做成斜口,加工波(bo)(bo)紋管(guan)管(guan)徑范圍Φ0.5m~Φ8m,管(guan)壁厚度(du)為3mm~7mm,能夠(gou)滿(man)足填土0.5m~40m厚的(de)(de)需求。鋼(gang)制波(bo)(bo)紋管(guan)涵(han)(han)具備工期短、重量輕、安(an)裝便(bian)捷、經(jing)久性(xing)(xing)好(hao)、工程(cheng)造價低(di)、抗變(bian)型(xing)有經(jing)驗(yan)強、減損通車后養(yang)護(hu)本錢等獨特的(de)(de)地(di)方,從材料與(yu)結構(gou)(gou)和功(gong)能的(de)(de)實質(zhi)關系上剖析,以(yi)為合(he)適而使(shi)(shi)用柔性(xing)(xing)、高超度(du)的(de)(de)鋼(gang)制波(bo)(bo)紋管(guan)涵(han)(han)洞(dong),不止具備適合(he)地(di)基與(yu)基礎(chu)(chu)變(bian)型(xing)的(de)(de)有經(jing)驗(yan),可以(yi)解決因地(di)基基礎(chu)(chu)翹(qiao)棱均沉降造成的(de)(de)涵(han)(han)洞(dong)毀傷(shang)題(ti)目(mu),并且鋼(gang)制波(bo)(bo)紋管(guan)涵(han)(han)洞(dong)由(you)于軸(zhou)(zhou)向(xiang)波(bo)(bo)紋的(de)(de)存在(zai)使(shi)(shi)其具備良好(hao)的(de)(de)受(shou)力(li)特點標(biao)志,軸(zhou)(zhou)向(xiang)和徑向(xiang)同時散布(bu)因荷載(zai)(zai)引動的(de)(de)應(ying)力(li)應(ying)變(bian),可以(yi)更大程(cheng)度(du)上散布(bu)荷載(zai)(zai)的(de)(de)應(ying)力(li)集中,更好(hao)地(di)發(fa)揮(hui)鋼(gang)結構(gou)(gou)的(de)(de)上風。特別在(zai)高寒凍土、軟(ruan)土、膨(peng)脹土、濕陷(xian)性(xing)(xing)黃(huang)土等區(qu)域,具備表面化(hua)的(de)(de)經(jing)濟效(xiao)益。
科普鋼波紋涵管的常見形狀有哪些?
各管(guan)節(jie)面流水坡度安裝平順,管(guan)節(jie)必需墊穩坐實(shi),管(guan)道內(nei)不(bu)得遺(yi)留(liu)土壤(rang)等(deng)雜(za)物。每安裝兩(liang)節(jie)進行一次管(guan)節(jie)的(de)圓度和位置校正。如(ru)泛起(qi)偏(pian)位,采(cai)用千斤頂(ding)在偏(pian)位的(de)方向(xiang)向(xiang)上頂(ding)管(guan)節(jie)進行糾偏(pian)。
鑲石(shi)棉(mian)墊(dian)(dian),因為現場地勢等原因,有時(shi)相鄰(lin)兩法蘭(lan)(lan)(lan)(lan)之間(jian)間(jian)距較小,這時(shi)用手錘、鑿子把兩法蘭(lan)(lan)(lan)(lan)之間(jian)鑿開大(da)約1cm的縫隙(xi),用螺絲刀把石(shi)棉(mian)墊(dian)(dian)鑲在兩法蘭(lan)(lan)(lan)(lan)之間(jian),有時(shi)管子頂部(bu)兩法蘭(lan)(lan)(lan)(lan)間(jian)距較大(da),石(shi)棉(mian)墊(dian)(dian)鑲嵌難題(ti),用綁絲把石(shi)棉(mian)墊(dian)(dian)綁在螺栓上固(gu)定(ding),然后工人開始(shi)對稱鎖緊(jin)螺絲。直至從外(wai)觀看兩法蘭(lan)(lan)(lan)(lan)之間(jian)只(zhi)有2—3mm的縫隙(xi)即可。
鋼制波(bo)紋管(guan)(guan)(guan)(guan)(guan)涵(han)管(guan)(guan)(guan)(guan)(guan)身安(an)(an)裝(zhuang)(zhuang)前(qian),要(yao)檢查(cha)涵(han)管(guan)(guan)(guan)(guan)(guan)底部(bu)(bu)基(ji)礎平(ping)整度、水(shui)平(ping)、標(biao)高;確定涵(han)洞(dong)位(wei)(wei)置(zhi)、中(zhong)(zhong)(zhong)央(yang)(yang)軸(zhou)線、中(zhong)(zhong)(zhong)點。連接(jie)(jie)安(an)(an)裝(zhuang)(zhuang)鋼制波(bo)紋管(guan)(guan)(guan)(guan)(guan),根據涵(han)洞(dong)實際情況,排放(fang)涵(han)管(guan)(guan)(guan)(guan)(guan)。假如涵(han)洞(dong)兩(liang)側進(jin)出水(shui)口(kou)是與路基(ji)同(tong)坡度的(de)(de)(de)斜口(kou)形式(shi),安(an)(an)裝(zhuang)(zhuang)時(shi)先安(an)(an)裝(zhuang)(zhuang)中(zhong)(zhong)(zhong)間(jian)管(guan)(guan)(guan)(guan)(guan)節(jie)(jie),在(zai)基(ji)礎長(chang)度方(fang)向留出進(jin)出水(shui)口(kou)的(de)(de)(de)位(wei)(wei)置(zhi)。中(zhong)(zhong)(zhong)間(jian)管(guan)(guan)(guan)(guan)(guan)節(jie)(jie)全部(bu)(bu)安(an)(an)裝(zhuang)(zhuang)完(wan)畢,校正就(jiu)位(wei)(wei)后(hou)(hou)再安(an)(an)裝(zhuang)(zhuang)兩(liang)側進(jin)出水(shui)口(kou)。安(an)(an)裝(zhuang)(zhuang)時(shi)從一側排放(fang)根管(guan)(guan)(guan)(guan)(guan)節(jie)(jie),使其(qi)管(guan)(guan)(guan)(guan)(guan)子中(zhong)(zhong)(zhong)央(yang)(yang)和(he)基(ji)礎縱向中(zhong)(zhong)(zhong)央(yang)(yang)線平(ping)行,同(tong)樣(yang)把第(di)二根管(guan)(guan)(guan)(guan)(guan)放(fang)置(zhi)就(jiu)位(wei)(wei),當(dang)兩(liang)根管(guan)(guan)(guan)(guan)(guan)相鄰(lin)法(fa)(fa)蘭(lan)間(jian)相距3~5cm的(de)(de)(de)縫隙時(shi),用(yong)小撬棍(gun)對準(zhun)法(fa)(fa)蘭(lan)上(shang)的(de)(de)(de)螺栓孔(kong)(kong),使其(qi)兩(liang)根管(guan)(guan)(guan)(guan)(guan)法(fa)(fa)蘭(lan)上(shang)的(de)(de)(de)螺栓孔(kong)(kong)對正,這時(shi)從第(di)二節(jie)(jie)管(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)另一端用(yong)撬杠撬動(dong)管(guan)(guan)(guan)(guan)(guan)節(jie)(jie),使其(qi)縱向平(ping)移,使兩(liang)法(fa)(fa)蘭(lan)間(jian)距在(zai)2cm左(zuo)右,然后(hou)(hou)全部(bu)(bu)穿(chuan)上(shang)螺栓,擰上(shang)螺絲,帶平(ping)扣即可(ke)。此后(hou)(hou)依此方(fang)式(shi)逐節(jie)(jie)依次連接(jie)(jie),每道涵(han)洞(dong)中(zhong)(zhong)(zhong)間(jian)管(guan)(guan)(guan)(guan)(guan)節(jie)(jie)無先后(hou)(hou)次序,可(ke)以隨意(yi)連接(jie)(jie)。
鋼波紋涵管是使用(yong)(yong)波紋(wen)(wen)狀(zhuang)管或由波紋(wen)(wen)狀(zhuang)板經由連署、拼裝形成(cheng)的一種(zhong)涵(han)(han)(han)(han)洞(dong)方(fang)式。波紋(wen)(wen)管由鋼、鋁或分子化合物(wu)塑(su)料(liao)等材(cai)料(liao)制成(cheng)。用(yong)(yong)以代(dai)替圓(yuan)管涵(han)(han)(han)(han)、蓋板涵(han)(han)(han)(han)、拱涵(han)(han)(han)(han)和小橋的優質(zhi)馬路建筑材(cai)料(liao)。對馬路涵(han)(han)(han)(han)洞(dong)來說,涵(han)(han)(han)(han)洞(dong)的翹棱均沉(chen)降是其毀傷的主要型式之(zhi)一。
板(ban)(ban)(ban)的(de)(de)(de)波(bo)(bo)形為進步板(ban)(ban)(ban)的(de)(de)(de)剛度,板(ban)(ban)(ban)的(de)(de)(de)截面從(cong)平板(ban)(ban)(ban)加工成一定波(bo)(bo)幅的(de)(de)(de)波(bo)(bo)外形,從(cong)加工、拼裝及(ji)板(ban)(ban)(ban)的(de)(de)(de)剛度要求出發,并參照海內外同(tong)類產(chan)品(pin)的(de)(de)(de)波(bo)(bo)形,管直徑小于(yu)1.5m的(de)(de)(de)波(bo)(bo)距為125mm, 波(bo)(bo)高為25mm;管直徑大于(yu)1.5m的(de)(de)(de)波(bo)(bo)距為200mm,波(bo)(bo)高為55mm。
板(ban)的(de)(de)(de)(de)尺(chi)寸(cun)和厚度為便于板(ban)的(de)(de)(de)(de)加(jia)工制作,結(jie)構(gou)的(de)(de)(de)(de)安裝連(lian)接,進(jin)步板(ban)的(de)(de)(de)(de)制作精度,板(ban)材的(de)(de)(de)(de)尺(chi)寸(cun)宜適(shi)應不同管徑(jing)的(de)(de)(de)(de)需要,以形成系(xi)列化(hua)。板(ban)的(de)(de)(de)(de)厚度隨結(jie)構(gou)跨徑(jing)的(de)(de)(de)(de)大小變化(hua),板(ban)厚可選用 2.5-8 mm。
鋼(gang)波紋(wen)涵管的(de)材(cai)料主要(yao)(yao)有鋼(gang)質波紋(wen)板(ban)材(cai)和高(gao)強度螺栓連接(jie)組成,其中(zhong)鋼(gang)質波紋(wen)板(ban)材(cai)采(cai)用(yong)海內普遍使(shi)(shi)用(yong)的(de)A3或(huo)Q235- B熱軋鋼(gang)板(ban),鋼(gang)板(ban)的(de)理化指標(biao)要(yao)(yao)求(qiu)達到國際GB700的(de)有關要(yao)(yao)求(qiu)。防(fang)(fang)腐(fu)方式:一般采(cai)用(yong)熱鍍鋅防(fang)(fang)腐(fu),鍍鋅量600克/平方米,如有特殊要(yao)(yao)求(qiu)時,可進(jin)行(xing)二次(ci)防(fang)(fang)腐(fu),內外(wai)層(ceng)覆塑PE或(huo)環氧樹脂。經二次(ci)防(fang)(fang)腐(fu)使(shi)(shi)用(yong)壽命可進(jin)步(bu)50年。
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