日本中文字幕视频在线看-日本中文字幕网站-日本中文字幕一区二区-日本中文字幕一区二区高清在线-日本中文字幕一区二区有码在线-日本中文字幕永久在线

歡迎訪問永誠廣建公路材料(山東)有限公司網站!

永誠廣建公路材料(山東)有限公司

熱線電話

15165180688

您現在所在的位置 :首頁 - 新聞中心 > 行業資訊

行業資訊

瀝青原材料試驗的注意問題

來源:http://m.yuanchuodian.cn/ 日期:2023-07-19
一、瀝青試樣準備事項
1、 Preparation of asphalt samples
(1)瀝青在裝卸、運輸和貯存過程中混入水和異物,會影響以后試驗檢測的結果。操作原理是通過加熱和過篩方式,將水分和異物分別除去。操作時注意溫度控制,避免因溫度過高造成瀝青老化。
(1) Mixing water and foreign objects into asphalt during loading, unloading, transportation, and storage can affect the results of future testing and detection. The operating principle is to remove moisture and foreign objects separately through heating and sieving. Pay attention to temperature control during operation to avoid asphalt aging caused by excessive temperature.
(2)為避免因多次加熱造成瀝青老化,每次制樣前需清楚將要做的試驗項目,一次性將瀝青樣品制備出來,并按要求灌模成型。
(2) To avoid asphalt aging caused by repeated heating, it is necessary to clarify the test items to be conducted before each sample preparation. The asphalt sample should be prepared in one go and molded according to the requirements.
二、瀝青密度與相對密度試驗
2、 Asphalt density and relative density test
(1)凡涉及密度瓶在盛滿物體時的稱重,都要對密度瓶進行恒溫操作,以達到更加精確的測定結果。
(1) When weighing a density bottle when it is filled with an object, a constant temperature operation must be performed on the density bottle to achieve more accurate measurement results.
(2)同一試樣應平行試驗兩次,當兩次試驗結果的差值符合重復性試驗的精密度要求時,以平均值作為瀝青的密度試驗結果,并準確至3位小數,試驗報告應注明試驗溫度。對黏稠及液體瀝青,重復性試驗的允許差為0.003g/cm3,復現性試驗的允許差為0.007g/cm3;對固體瀝青,重復性試驗的允許差為0.01g/cm3,復現性試驗的允許差為0.02g/cm3。
(2) The same sample should be tested twice in parallel. When the difference between the two test results meets the precision requirements of the repeatability test, the average value should be used as the density test result of the asphalt, accurate to three decimal places. The test report should indicate the test temperature. For viscous and liquid asphalt, the allowable deviation for repeatability testing is 0.003g/cm3, and the allowable deviation for reproducibility testing is 0.007g/cm3; For solid asphalt, the allowable deviation for repeatability testing is 0.01g/cm3, and the allowable deviation for reproducibility testing is 0.02g/cm3.
(3)密度瓶的水值應經常校正,一般每年至少進行一次。
(3) The water value of the density bottle should be regularly corrected, usually at least once a year.
(4)抽真空不宜過快,防止樣品被帶出密度瓶。
(4) The vacuum should not be pumped too quickly to prevent the sample from being taken out of the density bottle.
濟南瀝青生產廠家
三、下面濟南瀝青生產廠家再來講講瀝青針入度試驗說明與注意問題
3、 Next, let's talk about the asphalt penetration test instructions and precautions for Jinan asphalt manufacturers
(1)針入度試驗的三項關鍵性條件分別是溫度、測試時間和針的質量,如這三項試驗條件控制不準,將嚴重影響試驗結果的準確性。三項條件常用狀態,也就是標準狀態為:溫度25℃、測試時間5s、針的質量100g。
(1) The three key conditions for penetration testing are temperature, testing time, and needle quality. If these three test conditions are not controlled properly, it will seriously affect the accuracy of the test results. The common state of the three conditions, that is, the Standard state is: temperature 25 ℃, test time 5s, needle mass 100g.
(2)測定針入度值大于200的瀝青試樣時,至少用3支標準針,每次試驗后將針留在試樣中,直至3次平行試驗完成后,才能將標準針一并取出。
(2) When measuring asphalt samples with a penetration value greater than 200, at least three standard needles should be used. After each test, the needles should be left in the sample until three parallel tests are completed before the standard needles can be taken out together.
(3)當試驗結果小于50(0.1mm)時,重復性試驗的允許差為2(0.1mm),復現性試驗的允許差為4(0.1mm);當試驗結果等于或大于50(0.1mm)時,重復性試驗的允許差為平均值的4%,復現性試驗的允許差為平均值的8%。
(3) When the test result is less than 50 (0.1mm), the allowable difference for repeatability testing is 2 (0.1mm), and the allowable difference for reproducibility testing is 4 (0.1mm); When the test result is equal to or greater than 50 (0.1mm), the allowable difference for repeatability testing is 4% of the average value, and the allowable difference for reproducibility testing is 8% of the average value.
瀝青原材料試驗的注意問題相關內容就講解到這里了,希望能夠給您好的幫助,更多事項就來我們網站http://m.yuanchuodian.cn咨詢!
That's all for the relevant content on the precautions for asphalt raw material testing. I hope it can be helpful to you. For more information, please come to our website http://m.yuanchuodian.cn consulting service
  • 上一條:夏日酷暑,裝載機如何降溫防暑
  • 下一條:水穩攪拌站的原理、操作以及安全
  • 相關產品:

    主站蜘蛛池模板: 国产a久久精品一区二区三区 | 99精品国产高清自在线看超 | 波多野一区二区三区在线 | 久久成人免费观看全部免费 | 国产精彩视频在线 | 91国内精品久久久久影院优播 | 国产在线91精品天天更新 | 国产欧美视频综合二区 | 欧美粗大 | 一级做a爱片就在线看 | 亚洲日韩图片专区第1页 | 国产一区二区精品尤物 | 自拍亚洲午夜伦li片影院 | 国产激情视频网站 | 久久久久青草大香线综合精品 | 视频免费1区二区三区 | 久久3| 九九九精品视频免费 | 91在线视频观看 | 国产精品九九久久精品女同 | 久久综合九色综合亚洲小说 | 午夜在线播放免费高清观看 | 国内精品久久久久久西瓜色吧 | 天天摸天天操天天爽 | 制服 丝袜 亚洲 中文 综合 | 亚洲欧美日韩中文高清ww | 国产九色 | 操草 | 97国产超级碰碰在线视频 | 亚洲网址在线 | 日本色吧| 天堂网www中文在线 天堂网成人 | 伊人久久大香线蕉精品哪里 | 欧美黑人一级做a爱性色 | 日韩一区视频在线 | 亚洲国产精品综合久久网络 | 欧美啪啪精品 | 免费看国产片 | 日韩三级中文字幕 | 篠崎かんな超肉感在线播放 | 欧美精品日韩一区二区三区 |