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                當前位置:鋼纖維路面的施工注意事項
                鋼纖維路面的施工注意事項
                [來源:http://www.www.tjejtrampet.com] [作者:aowl] [日期:18-05-24] [瀏覽次數:]
                1、采用強制式攪拌機?;炷翑嚢铏C使用雙錐反轉出料攪拌機,容量為250L由于采用1.2%的摻量,且坍落度較小,為不使攪拌機超負荷工作,適當降低攪拌機的利用率。 1. A forced mixer is used. The concrete mixer uses a double cone reversing mixer. The capacity of the mixer is 250L, because the mixing amount is 1.2%, and the slump is small, so that the mixer is not overloaded and the utilization rate of the mixer is reduced properly. 2、運輸。運輸采用自卸運輸車。由于在運輸過程中受到振動,使鋼纖維下沉,坍落度和含氣量都會有損失,影響混凝土的均勻性。因此,選擇攪拌場地時盡量縮短運輸距離,并注意選擇合適的自卸運輸車輛,以保證澆筑時的卸料高度不得超過1.5m,確?;炷列读线^程中不發生離析現象。同時,宜注意運輸時的溫度,避免造成混凝土的施工和易性下降。 2. Transportation. Transportation adopts dump truck. Due to vibration during transportation, steel fiber sinks, slump and gas content will be lost, which will affect the uniformity of concrete. Therefore, when the mixing site is chosen, the transportation distance is shortened as far as possible, and the proper unloading vehicle is selected to ensure that the unloading height of the pouring is not more than 1.5m, and the segregation phenomenon does not occur during the concrete unloading process. At the same time, attention should be paid to the temperature at the time of transportation, so as to avoid the decrease in the workability and workability of concrete. 3、抹面、壓紋。將外露的壓入混凝土中,同時在抹平的表面采用滾式壓紋機沿路線橫斷面方向壓紋l-2mm。切縫與養護。當養生強度達到設計強度約50%時,用切割機切縫,縫深3cm,縮縫設置為5m/道,與舊縫對齊。并保持施工縫與脹縫或縮縫設計位置吻合,施工縫與路中線垂直,不設置傳力桿。對脹縫、縮縫均采用l0號石油瀝青填縫?;炷谅访娌捎脼⑺B生,終凝后用麻袋覆蓋,每天灑水養護,保持混凝土呈潮濕狀態。養生時間在l0~15d。待混凝土測試強度達到規定的強度再開放交通。 3, plastering and pressing. The exposed concrete is pressed into the concrete and the roller embossing machine is used to emit l-2mm along the cross section of the route. Cutting and curing. When the health intensity reaches about 50% of the design intensity, cut the seam with the cutting machine, sew 3cm deep, and sew the gap into 5m/ way, aligned with the old seam. Moreover, the construction joints are consistent with the design positions of expansion joints or contraction joints, and the construction joints are perpendicular to the middle line of the road, and no transfer rod is set. The expansion joints and shrinkage joints are filled with l0 asphalt. The concrete pavement is sprinkled with water, then it is covered with gunny bags and sprinkled and maintained every day to keep the concrete moist. The health time is from l0 to 15d. When the concrete strength reaches the required strength, the traffic will be opened again. 4、設置分散裝置。由于一次性直接投入攪拌機易出現結團現象,為使它充分分散,在攪拌機上安裝上振動式分散機,分散機功率為1.0kW,分散能力約為40kg/min。由于分散機安裝在攪拌機上,分散時間較長,增加了攪拌時間,生產效率有所降低。 4. Set up the dispersing device. In order to fully disperse the mixer, a vibrating dispersing machine is installed on the mixer, the power of the dispersing machine is 1.0kW and the dispersing capacity is about 40kg/min. Because the disperser is installed on the mixer, the dispersing time is longer, the mixing time is increased, and the production efficiency is reduced.

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