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就地冷再生柔性基層路面的檢查
來源：http://www.kqj188.com/ 日期：2022-02-11 發(fā)布人：
從挖探結(jié)果顯示，原有瀝青路面厚14cm，基層為強(qiáng)度較高二灰鎂碴，沿線多處有不同程度的翻漿、坑槽、裂紋等，原路的縱橫坡度已不能滿足路面排水要求。路面現(xiàn)有承載力較低。營大路的路況調(diào)查結(jié)果顯示，營大路目前存在的問題主要有以下幾點(diǎn):
The excavation results show that the original asphalt pavement is 14cm thick, and the base is lime fly ash magnesium slag with high strength. There are mud churning, pits, cracks, etc. in many places along the line. The vertical and horizontal slopes of the original road can no longer meet the pavement drainage requirements. The existing bearing capacity of the pavement is low. The road condition survey results of Yingda road show that the main existing problems of Yingda road are as follows:
(1)目前右半幅路面病害很小，個別路段出現(xiàn)輕微裂紋，路面平整度較差，路面基本完好。從挖探結(jié)果顯示，瀝青路面厚14cm，基層二灰鎂碴強(qiáng)度較高。
(1) At present, the disease of the right half of the road is very small, some sections have slight cracks, the pavement flatness is poor, and the pavement is basically intact. The excavation results show that the thickness of asphalt pavement is 14cm, and the strength of lime fly ash magnesium slag is high.
(2)左半幅瀝青路面厚10cm，多處有翻漿、坑槽、裂紋等，基層松散，不成板體，土基含水量為19.5%，部分路面低于人行道外綠地，兩側(cè)沒有邊溝，排水困難。
(2) The left half of the asphalt pavement is 10cm thick, with mud churning, pits, cracks, etc. in many places. The base course is loose and does not form a plate body. The water content of the soil foundation is 19.5%. Some pavements are lower than the green space outside the sidewalk. There are no side ditches on both sides, so it is difficult to drain.
(3)測量結(jié)果顯示，原路的橫坡度平均在1%,較小縱坡為0，已不能滿足路面排水要求。
(3) The measurement results show that the average cross slope of the original road is 1%, and the smaller longitudinal slope is 0, which can not meet the requirements of pavement drainage.
(4)路面現(xiàn)有實(shí)測彎沉為80一130/0.01 mm,
(4) The measured deflection of the existing pavement is 80-130 / 0.01 mm,
(5)現(xiàn)有路面南北兩側(cè)存在較大高差。
(5) There is a large elevation difference between the north and south sides of the existing pavement.
高差小于5cm的占全線的68.5%;
The height difference less than 5cm accounts for 68.5% of the whole line;
高差大于5cm、小于IOcm的占全線的22.7%;
The height difference greater than 5cm and less than IOCM accounts for 22.7% of the whole line;
高差大于10cm、小于15cm的占全線的7.6%;
The height difference greater than 10cm and less than 15cm accounts for 7.6% of the whole line;
高差大于15cm、小于20cm的，占全線的1.1%,
The height difference greater than 15cm and less than 20cm accounts for 1.1% of the whole line,
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