多年鋼筋除銹施工經(jīng)驗(yàn)：已綁扎好的鋼筋有化學(xué)除銹、噴砂除銹、水刀除銹、專用鋼筋除銹東西人工除銹等四種實(shí)用的鋼筋除銹辦法。
Years of experience in steel rust removal construction: the bonded steel bar has four practical methods of steel rust removal: chemical rust removal, sand blasting rust removal, water knife rust removal, special steel bar rust removal and manual rust removal.
已綁扎好的鋼筋除銹也叫鋼筋原位除銹，因已綁扎好的鋼筋不能撤除、常見的除銹東西不能進(jìn)入鋼筋籠子內(nèi)部，鋼筋除銹比較困難，綁扎好的鋼筋怎樣除銹要根據(jù)鋼筋的銹蝕程度、鋼筋除銹的要求來定。
The rust removal of the tied steel bar is also called in-situ rust removal of the steel bar. Because the tied steel bar can not be removed and the common rust removal things can not enter the steel cage, it is difficult to remove the rust of the steel bar. How to remove the rust of the tied steel bar depends on the degree of the corrosion of the steel bar and the requirement of the rust removal of the steel bar.
一般來講銹蝕較輕的已綁扎好的鋼筋能夠選用化學(xué)除銹法，即直接噴涂（專用東西）鋼筋除銹劑即可，噴涂時(shí)要沿著鋼筋噴灑。銹蝕嚴(yán)峻的鋼筋需做預(yù)處理后再噴涂鋼筋除銹劑，預(yù)處理的辦法有鋼筋除銹專用東西人工除銹、泥工用的轟動(dòng)泵轟動(dòng)除銹、超高壓水槍除銹等預(yù)處理辦法。
Generally speaking, the lightly corroded bonded steel bars can use chemical rust removal method, that is, direct spraying (special things) of steel bar rust removal agent can be, spraying along the steel bar when spraying. The severely corroded steel bars need to be pretreated and then sprayed with steel rust remover. The pretreatment methods include manual rust removal of special things for steel bar rust removal, sensational rust removal of mud pump, super high pressure water gun rust removal and other pretreatment methods.
一般來講銹蝕較重的已綁扎好的鋼筋宜選用噴砂除銹的辦法。噴砂除銹是運(yùn)用空壓機(jī)發(fā)生的高壓空氣做動(dòng)力，運(yùn)用沙粒的擊打、摩擦力去除鋼筋外表的銹渣。鋼筋噴砂除銹所需設(shè)備多，有螺桿空壓機(jī)、空氣儲(chǔ)存罐、砂罐及銜接的高壓氣管、耐磨高壓砂罐和噴砂的槍頭。并且噴砂除銹對(duì)操作工人的要求高，需必定的操作經(jīng)驗(yàn)不然容易發(fā)生事故，并且操作人員較多（一般都標(biāo)配三人以上），人工成本較高。噴砂除銹除了成本高，還有就是污染嚴(yán)峻，現(xiàn)在查的嚴(yán)一般不能噴砂除銹，但噴砂除銹作用好（賣相特好），相對(duì)來說是的鋼筋除銹辦法。
Generally speaking, sandblasting is the best way to remove rust for heavily corroded bonded steel bars. Sandblasting rust removal is the use of high-pressure air generated by the air compressor as power, the use of sand striking, friction to remove the steel bar surface rust slag. There are many equipments needed for sand blasting and rust removal of reinforcing bars, such as screw air compressor, air storage tank, sand tank and connecting high-pressure pipe, wear-resistant high-pressure sand tank and sand blasting gun head. Moreover, sand blasting and rust removal have high requirements for operators, which require certain operating experience or they are prone to safety accidents, and there are more operators (generally more than three people) with higher labor costs. In addition to the high cost of sand blasting rust removal, there is also serious pollution. Now the strict environmental inspection generally can not be sand blasting rust removal, but sand blasting rust removal effect is good (sell very good), relatively speaking, the safest method of steel bar rust removal.
一般來講銹蝕嚴(yán)峻的已綁扎好的鋼筋宜選用水刀除銹的辦法。銹蝕嚴(yán)峻的鋼筋經(jīng)過水刀（700公斤以上的超高壓水）清洗后，基本上能整理干凈鋼筋外表就大部分銹蝕，包含氧化皮都能整理。這種除銹辦法投入高（設(shè)備都在8萬元以上）、耗電量高（90千瓦），并且比較危險(xiǎn)（打到人立馬殘廢），沒有經(jīng)過培訓(xùn)的不能參加施工。但這種鋼筋除銹辦法非常，不像噴砂除銹那樣損害鋼筋外表，對(duì)鋼筋基本沒有損害，僅有的壞處就是和噴砂除銹一樣會(huì)有死角（一般都選用鋼筋除銹東西輔佐除銹）。
Generally speaking, the method of removing rust by water knife is suitable for the steel bar which has been bonded with severe rust. After cleaning by water knife (over 700 kilograms of ultra-high pressure water), the steel bars with severe corrosion are basically clean, and most of them are corroded, including oxide skin. This method of rust removal has high investment (equipment is more than 80,000 yuan), high power consumption (90 kW), and is dangerous (hit the disabled immediately), and can not participate in construction without professional training. But this method of removing steel bar rust is very safe. It does not damage the appearance of steel bar as sand blasting does. It basically does not damage the steel bar. The only disadvantage is that there will be dead angle just like sand blasting.
一般來講已綁扎好的鋼筋不管銹蝕輕重都能夠選用三超鋼筋除銹東西進(jìn)行除銹。鋼筋除銹東西每人一把（一般6個(gè)工人配套1個(gè)管理員、及時(shí)修正除銹東西），單體功率低，但整體功率高，特別是在包工情況下功率更高。
Generally speaking, the bonded steel bars, regardless of the degree of corrosion, can use the three super steel bars for rust removal. Rebar rust removal items are handled by each person (generally 6 workers are matched with 1 administrator, and rust removal items are corrected in time). The unit power is low, but the overall power is high, especially in the case of contract work.
已綁扎好的鋼筋原位除銹都需求撤除模板，特別是噴砂除銹和水刀除銹，如不能撤除模板還要除銹只能選擇鋼筋除銹劑進(jìn)行除銹，但鋼筋除銹所用的噴涂東西都是專用或定制的，特殊部位如墻筋、柱筋需運(yùn)用兩三米的彈性噴桿進(jìn)行噴涂鋼筋除銹劑，并且好是夜間進(jìn)行（能看清噴砂作用）；特殊部位如板筋需運(yùn)用鋼筋除銹東西預(yù)除銹后再噴涂鋼筋除銹劑，不然除銹作用不抱負(fù)，因板筋運(yùn)用的鋼筋都是盤圓或盤螺，盤螺和盤圓鋼筋在拉直的時(shí)分發(fā)生高溫，高溫后銹蝕的鋼筋化學(xué)除銹很難搞，需打磨后再噴涂鋼筋除銹劑進(jìn)行除銹。
In-situ rust removal of bonded reinforcing bars requires removal of formwork, especially sand blasting and water knife. If the formwork can not be removed and rust removal can only be carried out by using reinforcing bar rust removal agent, but the spraying materials used for reinforcing bar rust removal are special or customized. Special parts such as wall bars and column bars need to be sprayed with two or three meters elastic spraying rod for reinforcing bar rust removal agent, and preferably at night. Special parts such as steel bars need to be PRE-RUSTED and sprayed with reinforcing steel rust remover after rust removal, otherwise the effect of rust removal is not ambitious, because the reinforcing steel bars used are disc or disc snails, disc snails and disc steel bars occur high temperature during straightening, chemical rust removal of Corroded Reinforcing steel bars after high temperature is very difficult, and it is necessary to spray reinforcing steel rust remover after polishing. Rust.
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