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在摊铺沥青混合料过程中产生的离析现象,影响路面质量和使用寿命。业内人士不断探索,但有的办法得当,有的办法欠妥。今年4月26日笔者去锡张(无锡-张家港)高速LM2标工地,主要解决2台ABG8820型摊铺机平整度低的问题。据反映,在每次摊铺开始时易出现摊铺机熨平板抬高现象,且摊铺时熨平板始终蹦蹦跳跳。仔细观察摊铺过程,发现螺旋布料器是反装的。具
The segregation phenomenon in paving asphalt mixture affects the pavement quality and service life. The industry continues to explore, but some methods properly, some methods defective. April 26 this year, I went to tin Zhang (Wuxi - Zhangjiagang) high-speed LM2 standard site, mainly to solve 2 ABG8820-type paver flatness problem. It is reported that the paver screed tends to appear elevated at the beginning of each paving and the screed always bounces when paving. Carefully observe the paving process and found that the spiral distributor is counter-installed. With