拉薩旱季進行鋼(gang)波(bo)紋涵管施工應該(gai)做好(hao)哪(na)些防(fang)護(hu)工作?
加強鋼波紋涵管(guan)施(shi)(shi)工便道(dao)、施(shi)(shi)工場所維護,確保物資(zi)運(yun)輸,削減旱(han)季(ji)對施(shi)(shi)工進(jin)(jin)(jin)度的(de)影(ying)響(xiang)。旱(han)季(ji)施(shi)(shi)工由(you)專(zhuan)人擔(dan)任天(tian)氣預告,及時傳遞雨情(qing),根據天(tian)氣趨勢預告,公(gong)道(dao)組織工序,進(jin)(jin)(jin)行適合于旱(han)季(ji)施(shi)(shi)工項目(mu)的(de)組織,提早做好防(fang)護功課。旱(han)季(ji)進(jin)(jin)(jin)行鋼波紋涵管(guan)施(shi)(shi)工應該做好哪(na)些防(fang)護工......更多(duo)
2019-04-26
拉薩(sa)鋼(gang)波紋(wen)管結構在各種(zhong)使用(yong)情況下的通用(yong)性(xing)強(qiang)
跟著鋼(gang)波(bo)紋管涵(han)在世界各地的安裝(zhuang)使(shi)(shi)用(yong)(yong),證實了(le)此種結構(gou)在各種使(shi)(shi)用(yong)(yong)情(qing)況(kuang)下的通用(yong)(yong)性(xing)。在我國(guo)(guo)改革開(kai)(kai)放后(hou),深圳及大同煤(mei)礦開(kai)(kai)始從國(guo)(guo)外入口(kou)成品鋼(gang)波(bo)紋管涵(han)進(jin)行(xing)(xing)涵(han)洞(dong)施工(gong)。之后(hou),上海市(shi)(shi)公路(lu)治理處、上海市(shi)(shi)政工(gong)程(cheng)設計研究院、上海同濟大學對鋼(gang)波(bo)紋管涵(han)進(jin)行(xing)(xing)了(le)動、靜(jing)載試驗......更多
2019-04-25
拉(la)薩鋼波紋涵(han)管有(you)一些其他(ta)產(chan)品無法代替的屬性
鋼波(bo)紋(wen)涵(han)管(guan)(guan)(guan)施工(gong)利(li)便快捷:金屬(shu)波(bo)紋(wen)涵(han)管(guan)(guan)(guan)現場無需大型機械,只需少量手(shou)工(gong)操縱(zong)即可。軸向:金屬(shu)波(bo)紋(wen)涵(han)管(guan)(guan)(guan)可合用于沉(chen)降(jiang)比較嚴(yan)峻的場合。施工(gong)周(zhou)期(qi)縮短(duan)約一(yi)半(ban),金屬(shu)波(bo)紋(wen)涵(han)管(guan)(guan)(guan)節省人(ren)工(gong)用度金屬(shu)波(bo)紋(wen)涵(han)管(guan)(guan)(guan)有利(li)于改善土地(di)基(ji)結構物與路堤的“錯臺”現象,進步(bu)行車恬(tian)靜。環保......更多(duo)
2019-04-25
拉薩拼(pin)接(jie)型鋼波紋管快(kuai)速(su)安(an)裝方法(fa)
跟著鋼波(bo)(bo)紋(wen)(wen)管(guan)在世(shi)界(jie)各地的(de)安裝(zhuang)使用,證實了此種(zhong)結構在各種(zhong)使用情況(kuang)下的(de)通用性(xing)。在我國改革(ge)開放后,深(shen)圳及大同(tong)煤礦開始(shi)從國外入(ru)口(kou)成(cheng)品鋼波(bo)(bo)紋(wen)(wen)管(guan)涵進(jin)行(xing)(xing)涵洞施工。之后,上(shang)海(hai)(hai)市公路治理(li)處、上(shang)海(hai)(hai)市政工程設計(ji)研究院、上(shang)海(hai)(hai)同(tong)濟大學(xue)對鋼波(bo)(bo)紋(wen)(wen)管(guan)涵進(jin)行(xing)(xing)了動、靜載試驗,......更多(duo)
2019-04-24
拉薩鋼波紋涵管的沉降(jiang)變形(xing)能(neng)力(li)有什么具體作用嗎?
實(shi)踐證實(shi),用鋼波紋管涵(han)(han)代替金屬筋混(hun)凝土進(jin)(jin)行涵(han)(han)洞(dong)(dong)施(shi)工(gong),不管從施(shi)工(gong)周期(qi)、施(shi)工(gong)造價、環保意義(yi)等(deng)方面(mian)都有(you)其不可相比的(de)優勝性,且用金屬波紋管涵(han)(han)進(jin)(jin)行涵(han)(han)洞(dong)(dong)施(shi)工(gong),可大大進(jin)(jin)步道(dao)路行車的(de)恬靜度與安全性,避免(mian)道(dao)路中涵(han)(han)洞(dong)(dong)的(de)“錯臺跳車”現形,有(you)利于解決西(xi)北地(di)區(qu)嚴(yan)寒霜(shuang)......更多
2019-04-24
拉薩哪些因素會造成(cheng)鋼波(bo)紋涵(han)管(guan)膨脹變形?
鋼波紋涵管加(jia)工后須(xu)選(xuan)用(yong)熱鍍(du)鋅(xin)等防(fang)腐處理。選(xuan)用(yong)鍍(du)鋅(xin)鋼板(ban)加(jia)工的,在(zai)加(jia)工后有必要進(jin)行二次處理。全體(ti)管銜接法蘭選(xuan)用(yong)角鋼、鋼板(ban)制(zhi)造,波紋板(ban)焊(han)接選(xuan)用(yong)對焊(han)接頭。緊(jin)固件選(xuan)用(yong)國標中(zhong)的尺(chi)度(du)(du)(du)緊(jin)固件,其(qi)強(qiang)度(du)(du)(du)和尺(chi)度(du)(du)(du)應知(zhi)足(zu)力(li)學(xue)哀求(qiu),且(qie)不低于管材(cai)強(qiang)度(du)(du)(du)哀求(qiu)。哪些(xie)因素會造成......更多(duo)
2019-04-22
拉薩鋼波紋涵管是城(cheng)市市政設(she)(she)施(shi)得以正常使用的重(zhong)要設(she)(she)施(shi)之一
與鋼(gang)(gang)波(bo)(bo)紋(wen)(wen)涵管(guan)接觸部分要(yao)鋪設厚(hou)(hou)度7~15cm的粗砂墊(dian)層,其更大粒徑為12 mm,以(yi)保證基礎(chu)與管(guan)體表面(mian)充分緊密接觸。波(bo)(bo)紋(wen)(wen)管(guan)涵涵洞基礎(chu)的厚(hou)(hou)度從鋼(gang)(gang)管(guan)的底部算起30~80cm左右為宜。半圓拱形橋涵的鋼(gang)(gang)波(bo)(bo)紋(wen)(wen)管(guan)涵安裝在兩側的鋼(gang)(gang)筋混(hun)凝土支座上,所以(yi)開挖溝槽......更多
2019-04-19
拉薩鋼波紋(wen)涵管的(de)幾何外形和產(chan)業中所采用的(de)成形方法是多種(zhong)多樣的(de)
Ω形(xing)鋼(gang)波(bo)紋(wen)(wen)涵(han)(han)管(guan)均(jun)勻半徑(jing)的極限(xian)偏差應為鋼(gang)波(bo)紋(wen)(wen)涵(han)(han)管(guan)名(ming)義(yi)均(jun)勻半徑(jing)的±15%,圓度公差應為鋼(gang)波(bo)紋(wen)(wen)涵(han)(han)管(guan)名(ming)義(yi)均(jun)勻半徑(jing)15%。若(ruo)要求對鋼(gang)波(bo)紋(wen)(wen)涵(han)(han)管(guan)進(jin)行(xing)熱(re)處(chu)(chu)(chu)理,應按有關材料尺度或圖樣劃(hua)定的熱(re)處(chu)(chu)(chu)理軌制進(jin)行(xing),熱(re)處(chu)(chu)(chu)理后的鋼(gang)波(bo)紋(wen)(wen)涵(han)(han)管(guan)應進(jin)行(xing)酸洗、鈍化處(chu)(chu)(chu)理。鋼(gang)波(bo)紋(wen)(wen)涵(han)(han)管(guan)可......更多
2019-04-19
拉薩怎(zen)樣有效保護(hu)鋼波紋涵管免受外(wai)力破壞?
一般在嚴寒地區,采用(yong)鋼波(bo)紋涵(han)(han)管(guan)或(huo)干砌片石。有沖(chong)洗的(de)涵(han)(han)洞進出口(kou)(kou)(kou)應根據需要(yao)設置相應的(de)調(diao)治構(gou)筑物,同時(shi)洞口(kou)(kou)(kou)應按地形前提(ti)作必(bi)要(yao)的(de)處理,防止(zhi)洞口(kou)(kou)(kou)受沖(chong)洗,影響涵(han)(han)洞的(de)泄(xie)水能力。鋼制(zhi)波(bo)紋管(guan)涵(han)(han)的(de)另一端與涵(han)(han)洞間(jian)的(de)間(jian)距用(yong)裝沙(sha)的(de)袋子或(huo)漿砌片石擋住,寬度50cm,而(er)......更多
2019-04-19
拉薩安裝鋼(gang)波紋涵(han)管前要預留多大的施工空間?
鋼(gang)波紋(wen)(wen)涵管(guan)(guan)常見的(de)還(huan)有一字面和(he)八(ba)字面,今天小編就來為大家(jia)先(xian)容一下(xia)不同情(qing)況下(xia)的(de)鋼(gang)金屬波紋(wen)(wen)管(guan)(guan)涵的(de)坡(po)口(kou)做法。那(nei)么,使用(yong)(yong)波紋(wen)(wen)管(guan)(guan)涵應(ying)該知道哪些前提呢?從(cong)海內外波紋(wen)(wen)管(guan)(guan)涵洞(dong)的(de)使用(yong)(yong)情(qing)況及其受力特征、防(fang)腐(fu)分析看(kan),使用(yong)(yong)波紋(wen)(wen)管(guan)(guan)涵必(bi)需知足以下(xia)前提。當然,不管(guan)(guan)是選擇(ze)什......更多
2019-04-18