According to the responsiblity for more than 100 kilometers of Yijia highway pavement maintenance tasks, the five-star - Tangwang reach black pavement, a total of 45 kilometers. Shortly after the opening of the gap the Yijia highway due to the city's climate and other reasons, the black pavement cracks began to appear in varying degrees, through conservation technician field survey, a total of more than 3,000 cracks on the road 45 kilometers short of the widest 8 --9 cm, the narrowest gap is also about 1 cm.
If these cracks are not repaired in time, it will shorten the life of the road, but also to bring great traffic safety risk. However, to buy a professional clean seam slot machines and pouring machine, pouring machine-made less have on the yuan. In order to learn pouring technology, the Yijia highway headquarters had hired a professional construction team, there is a step before pouring, the gap is routered to fill asphalt after cleaning. Covered his face looked hired professional staff of small hand-held slot, squatting on the ground operations are gray look, workers decided based on the actual, developed an ease of operation, efficiency and also safe health slotted and pouring machine.
