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路面铣刨拉毛的现象出现怎么解决?
在路面坑槽、车辙、龟网裂铣刨时,不需要设置铣刨过渡段,依据设计的铣刨深度,结合路面确定的病害面积,确定铣刨机基准面和横坡,靠近病害一侧部位进行铣刨,要求铣刨机调整找平仪始终保持正常的工作状态进行铣刨作业,直该病害区域铣刨完毕。
When milling grooves, ruts, and turtle net cracks on the road surface, there is no need to set up a milling transition section. Based on the designed milling depth and the determined area of the road surface, the benchmark surface and cross slope of the milling machine are determined, and milling is carried out near the diseased side. The milling machine is required to adjust the leveling device to maintain normal working status throughout the milling operation until the diseased area is fully milled.
在病害路面修补大于二个结构层时,应把路面的不同结构层分层错台铣刨,且每层小错台不小于50cm,以利于面层修补时不同结构层接缝错开。
When repairing a damaged road surface with more than two structural layers, the different structural layers of the road surface should be milled and planed in layers, and the small misalignment of each layer should not be less than 50cm, in order to facilitate the staggered joints of different structural layers during surface layer repair.
在油包拥包铣刨拉毛过程中一定要控制好三个关键环节以确保铣刨拉毛效果,开始铣刨过渡段,铣刨机铣刨深度要从零缓慢调整到计算的铣刨深度;第二,铣刨过程中铣刨深度调整段,无论是增大还是减小铣刨深度,都要从原铣刨深度逐渐调整到新的铣刨深度,严禁突变,这就要求在划定铣刨区间时标定好调整过渡段的位置;第三,结束铣刨过渡段,铣刨机也要将原铣刨深度缓慢降低到零。
In the process of milling and roughening the oil package, it is necessary to control three key links to ensure the milling and roughening effect. Start milling the transition section, and the milling depth of the milling machine should be slowly adjusted from zero to the calculated milling depth; Secondly, during the milling process, the milling depth adjustment section, whether increasing or decreasing the milling depth, must be gradually adjusted from the original milling depth to the new milling depth, and sudden changes are strictly prohibited. This requires that the position of the adjustment transition section be calibrated when defining the milling interval; Thirdly, at the end of the milling transition section, the milling machine should also slowly reduce the original milling depth to zero.
铣刨作业时保证纵向边线的顺直,一段铣刨完成后铣刨机直接后退,重新开始向前面铣刨。
During milling operations, ensure that the longitudinal edge line is straight. After completing a section of milling, the milling machine will directly move back and start milling again towards the front.
当一个铣刨段中包括几个连续铣刨区间时,可以实施连续铣刨,在铣刨中调整铣刨深度,保证路面纵向平顺。
When a milling section includes several continuous milling sections, continuous milling can be implemented, and the milling depth can be adjusted during milling to ensure the longitudinal smoothness of the pavement.
对铣刨拉毛面的缺陷必须进行及时处理,如松散部位的与修复,裂缝处及时灌缝等。在每处病害铣刨基坑的起讫位置,会由于铣刨鼓的圆形而形成弧面,在基坑整理时需要人工切割成竖直面,达到基坑四面方正。
The defects on the milling and roughening surface must be dealt with in a timely manner, such as removing and repairing loose parts, and filling cracks in a timely manner. At the starting and ending positions of each diseased milling and planing foundation pit, a curved surface will be formed due to the circular shape of the milling drum. During the foundation pit preparation, it needs to be manually cut into vertical planes to achieve a square shape on all sides of the foundation pit.
对铣刨深度已达到设计但病害仍未的病害,及时与现场监理工程师和业主衔接,确定施工方案和工程数量,以便同步一次将病害铣刨,节省机械二次调转时间和费用。
For diseases that have reached the designed milling depth but have not yet been eliminated, timely communication with the on-site supervision engineer and the owner should be made to determine the construction plan and quantity of work, so as to synchronously milling and planing the diseases in one go, saving time and cost for mechanical secondary adjustment.
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