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土木工程施工应当要点重视啥?
发布日期:2016-04-08  

           技术支持:宇霞信息

  Tech support: yu xia information

  咱们在详细的土木工程施工当中,需求要点重视和维护好混凝土在浇筑以后的开始几天的状况,在进行详细施工时,需求满足重视这个期间。咱们能够采纳一些办法进行必要的维护作业。首先是关于一些大体积的混凝土,咱们能够采纳蓄水的办法对其进行维护。

  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.

  做好守时、定人、定点进行实践的操作和监控。其次,需求注意在寒冷的气温下进行施工,或者是施工中呈现气温骤降的状况,能够采纳添加一些骨料或者是用水进行加温,关于达到了初始温度的混凝土不能直接加热或者是放置在暖棚当中进行存放,关于加热骨料的温度操控需求在20℃~40℃之间,关于水的加热需求操控在60℃~80℃之间。操控全部混凝土的温度不要超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,关于洒水的频率操控的标准是坚持混凝土恰当的湿润,在关于混凝土的外表进行振捣操作和抹平以后,需求及时的覆盖好草垫或者是湿麻袋之类的物品,防止呈现很多的水分蒸腾,关于混凝土在进行浇筑完结以后,还需求坚持洒水在 14 d 摆布。最终,在进行混凝土的浇筑时,需求尽量挑选在晴朗的气候下进行,在雨天进行浇筑操作会影响到混凝土的质量,如果有足够的防雨方面的设备,也能够浇筑。关于浇筑的厚度的操控,应当大于3m,最佳是在混凝土的内部装置能够进行冷却的水循环的降温设备,确?;炷两街闹柿?。

  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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