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土木工程施工應當要點重視啥?
發布日期:2016-04-08  

           技術支持:宇霞信息

  Tech support: yu xia information

  咱們在詳細的土木工程施工當中,需求要點重視和維護好混凝土在澆筑以后的開始幾天的狀況,在進行詳細施工時,需求滿足重視這個期間。咱們能夠采納一些辦法進行必要的維護作業。首先是關于一些大體積的混凝土,咱們能夠采納蓄水的辦法對其進行維護。

  Let's in the details of the civil engineering construction, key points of demand attention and safeguard the first few days of after pouring the concrete situation, in detail the construction, the demand value during the meet. We can adopt some measures to make the necessary maintenance work. First is about some large volume concrete, we can adopt water storage solution for maintenance.

  做好守時、定人、定點進行實踐的操作和監控。其次,需求注意在寒冷的氣溫下進行施工,或者是施工中呈現氣溫驟降的狀況,能夠采納添加一些骨料或者是用水進行加溫,關于達到了初始溫度的混凝土不能直接加熱或者是放置在暖棚當中進行存放,關于加熱骨料的溫度操控需求在20℃~40℃之間,關于水的加熱需求操控在60℃~80℃之間。操控全部混凝土的溫度不要超25℃。

  Be punctual, personal, carries on the practice of fixed-point operation and monitoring. Secondly, needs pay attention to the construction under the cold temperature, or is present in the construction of the condition of low temperature, can adopt or heating water, add some aggregate on the initial temperature of concrete can not directly heating or is placed in greenhouses in the store, about the temperature control of heating aggregate demand between 20 ℃ and 40 ℃, about water heating demand control between 60 ℃ ~ 80 ℃. All control of concrete temperature not to exceed 25 ℃.

  再次,關于灑水的頻率操控的標準是堅持混凝土恰當的濕潤,在關于混凝土的外表進行振搗操作和抹平以后,需求及時的覆蓋好草墊或者是濕麻袋之類的物品,防止呈現很多的水分蒸騰,關于混凝土在進行澆筑完結以后,還需求堅持灑水在 14 d 擺布。最終,在進行混凝土的澆筑時,需求盡量挑選在晴朗的氣候下進行,在雨天進行澆筑操作會影響到混凝土的質量,如果有足夠的防雨方面的設備,也能夠澆筑。關于澆筑的厚度的操控,應當大于3m,最佳是在混凝土的內部裝置能夠進行冷卻的水循環的降溫設備,確保混凝土澆筑的質量。

  Again, about the frequency of the sprinkler control standard is insist on proper wet concrete, on the appearance of concrete for vibrating operation and smoothing, demand timely cover good MATS or a wet hessian bag items, such as to prevent the present a lot of moisture evaporation, about after the completion of concrete during casting, sprinkling water demand still at the mercy of 14 d. Finally, in the concrete pouring, demand as far as possible choose under the sunny climate, in the rain for casting operation will affect the quality of the concrete, if there is enough rain in terms of equipment, can also be casting. Control of the thickness of the casting shall be greater than 3 m, is the best in the concrete internal device capable of cooling water circulation cooling equipment, ensure the quality of the concrete pouring.

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