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> Slot Machines, Irrigation Sewing Machine, Road Crack Sealant Job
post Aug 11 2016, 05:32 PM
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<P> Notch Pouring mainly used for processing medium and large cracks and cracks appear in the road repair after emerging on the road for disease preventive maintenance. By slotting machine slotting cracks after using thermal spray gun or hair dryer in the tank debris and dust blowing, irrigation sewing machine and then pouring the sealant into the cracks, so to repair cracks and to ensure that the overall performance of the road to extend the service life of the road. </P>
<P> slotted repair method is suitable for small cracks, but also at home and abroad common fracture treatment, major equipment, including slot machines and irrigation sewing machine, heat gun or hair dryer with assistance. The material used to fill joints designed for crack repair sealant material (polymer modified asphalt). </P>
<P> Usually pay attention to the slot, slot size of at least 1 cm wide, 1 ~ 3 cm deep, the depth of the slot, the width ratio should not exceed 2: 1, the ratio of the depth of the lower the better. </P>
<P> with Notch Pouring construction process Treatment pavement crack repair method: </P>
<P> 1, the preparatory work: Check the slot machine and sealing machine, ensure that its technical condition; according to the specific circumstances of pavement cracks, fill joints to determine the design; irrigation sewing machine to start heating tank sealant add sealant the sealant is heated with stirring to 193 ℃, can not exceed 204 ℃; heating during irrigation sewing machine in the back of a truck trailer, and the sealant side of the road, safety instructions signs, slot machines and shoulder mounted hair dryer or heat gun mounted on a truck, etc., onto a predetermined construction sites, road demi half closed as a construction zone. </P>
<P> 2, slotted: slotted design according to size, pre-adjusted slot machines slot depth, then slotted the job. When the job, according to the type of crack width, timely adjustment slot size, pouring meet the minimum requirements. </P>
<P> 3, clear trough: with a hair dryer or heat gun on both sides of the slag and dust in the cracks in the tank at least 10cm wide, thoroughly cleaned, be clean, dry and suitable temperature pouring operation plane. </P>
<P> 4, pouring sad.gif Note: If the temperature is below 5 ℃ when fill joints, sealing machine shall be equipped with a heat gun outside the tank is heated, if not at this temperature tank heating will be reduced road crack sealant adhesion; if, after the sealant construction temperature reached by pouring sealant gun even when the temperature is higher than 5 ℃ fill joints, may be heated, usually fill joints after heating effect is better) in. poured into the tank and pouring machine gun with a blade head, can blow away the excess material, so that both sides of the fracture line into equal width and thickness of the seal tape. </P>
<P> 5, open traffic: After road crack pouring sealant in the road crack sealant sufficiently cooled and the debris on the road cleaned before they can open to traffic, the general cooling time of 15 minutes or so, the specific open traffic time can be flexible according to the temperature conditions. </P>

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