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衡水浩威(wei)新材料有限公(gong)司主營產品:鋼波紋管(guan)、鋼波紋涵管(guan)

合川近些年鋼波紋涵管在世界范圍內高速發展

瀏覽:17226 發布日(ri)期:2019-02-19

跟著鋼波紋涵管在(zai)(zai)世界各地(di)的(de)安裝使用,證實了(le)此(ci)種結構在(zai)(zai)各種使用情(qing)況(kuang)下(xia)的(de)通用性。在(zai)(zai)我國改革開(kai)放后,深(shen)圳及大同煤礦(kuang)開(kai)始從國外入口(kou)成品波紋管(guan)涵進(jin)行涵洞(dong)施工(gong)。之(zhi)后,上(shang)(shang)海(hai)市公(gong)路(lu)治理(li)處、上(shang)(shang)海(hai)市政工(gong)程設(she)計研究院、上(shang)(shang)海(hai)同濟大學對金屬波紋管(guan)涵進(jin)行了(le)動、靜載(zai)試驗,結果表明能知足(zu)設(she)計使用要求,填補(bu)了(le)海(hai)內的(de)空缺,且迅速得到推廣應用。幕墻一貫(guan)反應用于(yu)我國各地(di)公(gong)路(lu)舉措措施建(jian)設(she)當中(zhong)。

鋼制波紋涵管

近些年鋼波紋涵管在世界范圍內高速發展

公(gong)路(lu)(lu)工(gong)(gong)程的(de)(de)(de)涵(han)(han)(han)洞(dong)一(yi)般采用(yong)(yong)金(jin)(jin)屬(shu)筋混凝土(tu)制(zhi)作。現采用(yong)(yong)金(jin)(jin)屬(shu)波(bo)(bo)紋管(guan)(guan)涵(han)(han)(han)代(dai)替金(jin)(jin)屬(shu)筋混凝土(tu)進行(xing)涵(han)(han)(han)洞(dong)施(shi)工(gong)(gong)在(zai)海(hai)內時一(yi)項新(xin)技(ji)術(shu),金(jin)(jin)屬(shu)波(bo)(bo)紋管(guan)(guan)涵(han)(han)(han)以(yi)其機能不亂(luan)、安(an)裝(zhuang)利便、有利環保、造價低等長處迅(xun)速(su)在(zai)公(gong)路(lu)(lu)施(shi)工(gong)(gong)中代(dai)替了金(jin)(jin)屬(shu)筋混凝土(tu)施(shi)工(gong)(gong)的(de)(de)(de)涵(han)(han)(han)洞(dong),發展遠(yuan)景非(fei)常廣闊。在(zai)公(gong)路(lu)(lu)施(shi)工(gong)(gong)中,應用(yong)(yong)金(jin)(jin)屬(shu)波(bo)(bo)紋管(guan)(guan)涵(han)(han)(han)代(dai)替金(jin)(jin)屬(shu)筋混凝土(tu)進行(xing)涵(han)(han)(han)洞(dong)施(shi)工(gong)(gong)的(de)(de)(de)歷史已經(jing)有100多年(nian)了。1896年(nian),美國(guo)率提高前輩行(xing)波(bo)(bo)紋管(guan)(guan)涵(han)(han)(han)通道、涵(han)(han)(han)管(guan)(guan)的(de)(de)(de)可行(xing)性研究。其后,在(zai)美國(guo)、加拿大、澳大利亞等國(guo)的(de)(de)(de)公(gong)路(lu)(lu)建設(she)(she)中,均(jun)采用(yong)(yong)了金(jin)(jin)屬(shu)波(bo)(bo)紋管(guan)(guan)涵(han)(han)(han)進行(xing)涵(han)(han)(han)洞(dong)的(de)(de)(de)施(shi)工(gong)(gong)。1990年(nian),日本高速(su)公(gong)路(lu)(lu)設(she)(she)計,規(gui)范制(zhi)定了波(bo)(bo)紋管(guan)(guan)涵(han)(han)(han)設(she)(she)計技(ji)術(shu)規(gui)范。  

金(jin)屬(shu)波(bo)紋(wen)(wen)管(guan)(guan)(guan)涵(han)(han)是將薄金(jin)屬(shu)板板面(mian)壓成波(bo)紋(wen)(wen)后,卷(juan)制成管(guan)(guan)(guan)節,可(ke)以增加管(guan)(guan)(guan)節的(de)(de)剛度(du)和對(dui)管(guan)(guan)(guan)軸壓力的(de)(de)抵擋強度(du);出廠前(qian)采用(yong)熱(re)浸鍍鋅工(gong)(gong)藝和施工(gong)(gong)現(xian)場噴涂(tu)瀝青,雙(shuang)層防(fang)腐處理(li)保證了使用(yong)壽命;用(yong)此種(zhong)管(guan)(guan)(guan)節修建的(de)(de)涵(han)(han)洞(dong)被(bei)稱為波(bo)紋(wen)(wen)金(jin)屬(shu)管(guan)(guan)(guan)涵(han)(han)。實踐證實,用(yong)金(jin)屬(shu)波(bo)紋(wen)(wen)管(guan)(guan)(guan)涵(han)(han)代(dai)替金(jin)屬(shu)筋混凝土進(jin)(jin)行(xing)涵(han)(han)洞(dong)施工(gong)(gong),不管(guan)(guan)(guan)從(cong)施工(gong)(gong)周(zhou)期、施工(gong)(gong)造價、環保意義等方面(mian)都有(you)其不可(ke)相(xiang)比(bi)的(de)(de)優(you)勝性,且用(yong)金(jin)屬(shu)波(bo)紋(wen)(wen)管(guan)(guan)(guan)涵(han)(han)進(jin)(jin)行(xing)涵(han)(han)洞(dong)施工(gong)(gong),可(ke)大(da)大(da)進(jin)(jin)步道路行(xing)車的(de)(de)恬靜度(du)與(yu)安全(quan)性,避(bi)免道路中涵(han)(han)洞(dong)的(de)(de)“錯(cuo)臺跳車”現(xian)形,有(you)利于(yu)解決(jue)西北地區嚴寒霜凍對(dui)砼管(guan)(guan)(guan)涵(han)(han)結構(gou)的(de)(de)破壞題目。

鋼制波紋涵管

鋼波紋涵管設計計算(suan)的(de)參數為(wei)剛(gang)度(du)、應力(li)、有效面積、失穩、答應位(wei)移(yi)、耐壓力(li)和使用壽命。波(bo)(bo)紋(wen)(wen)管(guan)的(de)剛(gang)度(du)計算(suan),波(bo)(bo)紋(wen)(wen)管(guan)的(de)剛(gang)度(du)按照載荷及位(wei)移(yi)性(xing)質不同,分為(wei)軸(zhou)向(xiang)剛(gang)度(du)、彎曲剛(gang)度(du)、扭(niu)轉剛(gang)度(du)等。目(mu)前(qian)在波(bo)(bo)紋(wen)(wen)管(guan)的(de)應用中,絕大多數的(de)受力(li)情況是(shi)軸(zhou)向(xiang)載荷,位(wei)移(yi)方式為(wei)線位(wei)移(yi)。

根據波(bo)紋(wen)管(guan)的結構特點,可以把波(bo)紋(wen)管(guan)當(dang)作圓環殼(ke)、扁錐殼(ke)或圓環板(ban)所組成。設計計算(suan)波(bo)紋(wen)管(guan)也就(jiu)是設計計算(suan)圓外殼(ke)、扁錐殼(ke)或團環板(ban)。

金屬波(bo)(bo)(bo)紋(wen)(wen)管(guan)(guan)(guan)(guan)設(she)計(ji)的理(li)論基礎是(shi)板殼理(li)論、材料力學、計(ji)算數學等。波(bo)(bo)(bo)紋(wen)(wen)管(guan)(guan)(guan)(guan)設(she)計(ji)的參數較多,因(yin)為波(bo)(bo)(bo)紋(wen)(wen)管(guan)(guan)(guan)(guan)在(zai)系統(tong)中的用途不同(tong),其設(she)計(ji)計(ji)算的重點也不一樣。例如(ru),波(bo)(bo)(bo)紋(wen)(wen)管(guan)(guan)(guan)(guan)用于(yu)力平衡元(yuan)件,要(yao)求(qiu)(qiu)波(bo)(bo)(bo)紋(wen)(wen)管(guan)(guan)(guan)(guan)在(zai)工(gong)作(zuo)(zuo)范圍內其有效面積不變或變化很小,用于(yu)丈量元(yuan)件,要(yao)求(qiu)(qiu)波(bo)(bo)(bo)紋(wen)(wen)管(guan)(guan)(guan)(guan)的彈性特性是(shi)線性的;用于(yu)真(zhen)空開關管(guan)(guan)(guan)(guan)作(zuo)(zuo)真(zhen)空密封(feng)件,要(yao)求(qiu)(qiu)波(bo)(bo)(bo)紋(wen)(wen)管(guan)(guan)(guan)(guan)的真(zhen)空密封(feng)性、軸(zhou)向位(wei)(wei)移量和疲憊壽命;用于(yu)閥門作(zuo)(zuo)密封(feng)件,要(yao)求(qiu)(qiu)波(bo)(bo)(bo)紋(wen)(wen)管(guan)(guan)(guan)(guan)應具有一定的耐(nai)(nai)壓(ya)力、耐(nai)(nai)侵(qin)蝕(shi)、耐(nai)(nai)溫度、工(gong)作(zuo)(zuo)位(wei)(wei)移和疲憊壽命。


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