分類:行業新聞發布(bu)時間:2018/02/05
眾所周知,混凝土輸送泵的管道布(bu)置方式(shi)是(shi)混凝(ning)(ning)土輸送的重要環(huan)節,那么混凝(ning)(ning)土輸送泵到底應該如何科學(xue)布(bu)管呢?下面(mian)三民小編就來為大家詳介紹一下不同情況(kuang)下混凝(ning)(ning)土輸送泵科學(xue)布(bu)管的方式(shi)
1、垂直向上(shang)的(de)管路布置
垂直(zhi)向(xiang)上(shang)的(de)(de)(de)輸(shu)送管(guan)(guan)(guan)(guan)路(lu)(lu)(lu)可(ke)以沿電(dian)梯井,腳手(shou)架向(xiang)上(shang)布置,也可(ke)從樓面預留孔中穿過,這(zhe)便于管(guan)(guan)(guan)(guan)路(lu)(lu)(lu)拆(chai)裝(zhuang)。垂直(zhi)向(xiang)上(shang)的(de)(de)(de)輸(shu)送管(guan)(guan)(guan)(guan)路(lu)(lu)(lu)必須(xu)用(yong)新管(guan)(guan)(guan)(guan),高度(du)較(jiao)大(da)時,底部應(ying)(ying)使(shi)用(yong)厚(hou)壁管(guan)(guan)(guan)(guan)下(xia)面的(de)(de)(de)彎管(guan)(guan)(guan)(guan)應(ying)(ying)為厚(hou)壁管(guan)(guan)(guan)(guan),且易(yi)于拆(chai)卸(xie)。垂直(zhi)管(guan)(guan)(guan)(guan)路(lu)(lu)(lu)不能使(shi)用(yong)彎管(guan)(guan)(guan)(guan)做支撐(cheng),每根管(guan)(guan)(guan)(guan)都應(ying)(ying)設1-2個(ge)支撐(cheng)。直(zhi)管(guan)(guan)(guan)(guan)及(ji)彎管(guan)(guan)(guan)(guan)需(xu)夾子(zi)固(gu)定,即(ji)固(gu)定于墻上(shang),腳手(shou)架上(shang)、塔(ta)機塔(ta)身(shen)或電(dian)梯井內,使(shi)管(guan)(guan)(guan)(guan)路(lu)(lu)(lu)及(ji)輸(shu)送的(de)(de)(de)混(hun)凝(ning)土(tu)料的(de)(de)(de)重力由支撐(cheng)點傳到建筑物上(shang)。垂直(zhi)管(guan)(guan)(guan)(guan)路(lu)(lu)(lu)隨著高度(du)的(de)(de)(de)增加,被輸(shu)送的(de)(de)(de)混(hun)凝(ning)土(tu)有回流(liu)的(de)(de)(de)趨勢,對(dui)S管(guan)(guan)(guan)(guan)產生沖擊,為減弱這(zhe)種沖擊力,應(ying)(ying)在攪(jiao)拌拖泵和垂直(zhi)管(guan)(guan)(guan)(guan)路(lu)(lu)(lu)間鋪設一定長(chang)度(du)的(de)(de)(de)水(shui)(shui)平(ping)管(guan)(guan)(guan)(guan)路(lu)(lu)(lu),以保證有足夠的(de)(de)(de)阻力阻止混(hun)凝(ning)土(tu)回流(liu)。水(shui)(shui)平(ping)管(guan)(guan)(guan)(guan)路(lu)(lu)(lu)的(de)(de)(de)長(chang)度(du)一般應(ying)(ying)不小(xiao)于垂直(zhi)管(guan)(guan)(guan)(guan)道長(chang)度(du)的(de)(de)(de)15%,高層泵送,應(ying)(ying)在攪(jiao)拌拖泵的(de)(de)(de)水(shui)(shui)平(ping)管(guan)(guan)(guan)(guan)路(lu)(lu)(lu)中設置管(guan)(guan)(guan)(guan)路(lu)(lu)(lu)截止閥(fa)。
2、垂(chui)直向(xiang)下的管路布置
垂直向下輸送(song)(song)混凝土,當落差大于6mm時,為防止混凝土離析(xi),應按下圖來布管(guan),并且(qie)攪拌拖泵在泵送(song)(song)時,應在相(xiang)隔20-30m的(de)不同高度的(de)管(guan)路中裝入海綿(mian)球以保證泵送(song)(song)順利。
水平泵送混凝土管(guan)(guan)(guan)(guan)道(dao)布置的一般要求:管(guan)(guan)(guan)(guan)道(dao)應盡可能平整(zheng),管(guan)(guan)(guan)(guan)道(dao)只能用(yong)木料等較軟的物件(jian)(jian)與(yu)管(guan)(guan)(guan)(guan)件(jian)(jian)接(jie)(jie)觸支撐(cheng),每個(ge)(ge)管(guan)(guan)(guan)(guan)件(jian)(jian)都(dou)應有(you)一、兩個(ge)(ge)牢固的支點,管(guan)(guan)(guan)(guan)件(jian)(jian)要避免(mian)同巖石、混凝土建(jian)筑物及鋼鐵直接(jie)(jie)摩擦(ca)。在布置水平管(guan)(guan)(guan)(guan)時,應使泵處于稍低位置,管(guan)(guan)(guan)(guan)道(dao)略為向上(shang),泵送為有(you)利(li)。
在(zai)(zai)(zai)隧(sui)洞混凝土(tu)襯砌施工(gong)中(zhong)(zhong),問題較多的(de)是隧(sui)洞頂(ding)(ding)拱(gong)(gong)(gong)襯砌,頂(ding)(ding)拱(gong)(gong)(gong)襯砌的(de)后階(jie)段是封(feng)拱(gong)(gong)(gong),因(yin)此在(zai)(zai)(zai)頂(ding)(ding)拱(gong)(gong)(gong)澆注的(de)輸(shu)送(song)管(guan)道(dao)布(bu)置(zhi)時,必須考慮(lv)封(feng)拱(gong)(gong)(gong)的(de)方法,在(zai)(zai)(zai)平(ping)洞施工(gong)中(zhong)(zhong),根據輸(shu)送(song)管(guan)末(mo)一段尾管(guan)的(de)布(bu)置(zhi),分為水平(ping)封(feng)拱(gong)(gong)(gong)和(he)垂(chui)直(zhi)封(feng)拱(gong)(gong)(gong)兩種(zhong)封(feng)拱(gong)(gong)(gong)方式。
以上是三民小編(bian)為大家講解的混凝土(tu)輸送泵科學(xue)布管方式,希望大家能認(ren)真(zhen)學(xue)習,認(ren)真(zhen)操作(zuo)!