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Szklarska Poręba 2001/2002
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Application effect of blower |
fengqingxue
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Posts: 4185
Location: newyork
Joined: 18.01.16 |
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<h3>1. Role and purpose of asphalt pavement daily cleaning </h3>
<p>Asphalt pavement is the high-grade road during pavement projects, its main role is to carry vehicle traffic.The road users is not just vehicles in the community, as well as occupants, pedestrians, etc.With the use of time goes on, the road debris, rubbish gradually increased, which affect traffic safety.</p>
<h3>Sundries harm of asphalt pavement:</h3>
<p>1)The bituminous membranes on asphalt pavement surface gradually wear under vehicle load, exacerbated the wearing and damage of asphalt pavement by spilled gravel under the repeated heavy vehicles, overweight vehicles.Low the density of asphalt pavement, increased the water permeability coefficient while severe water seepage will cause the potholes. </p>
<p>2)Splashed gravel will reduce the anti skid performance of asphalt pavement,it will cause the accident and security risk for driving and maintenance when it drives too fast or emergency braking.</p>
<p>3)Influence of highway appearance.</p>
<h3>2. Effect and cost analysis of pavement manual cleaning in routine maintenance </h3>
<p>According to the study，average 3.8km maintained by each people.Since the road asphalt pavement pollution serious conservation, maintenance workers forced on the road into the cleaning, take no account on other routine maintenance items , resulting in a comprehensive range of conservation within the conservation effect is not obvious.</p>
<p>Conventional asphalt pavement cleaning is each worker clean 2-3times per week, put two brooms every month, costing RMB250 per kilometer every month in labor and material cost. Another recurring re-contamination after cleaning, leading to repeated cleaning workers, so that increased workload, workers have negative emotions for asphalt pavement cleaning.</p>
<h3>3.Image of introducing pavement blower </h3>
<p>According to the effect and continuity manual cleaning of asphalt pavement, repeated analyze the measures taken to strengthen the conservation of asphalt pavement cleaning and maintenance construction. Consider whether can use air compressor or forest fire with a hair dryer to be tested. Through online searching and field tests, the forest fire with a hair dryer engine power is small, small wind and working face, the effect is not very good. Compressor effect, but the weight of large, bulky, inconvenient to carry and use. To this end, the decision to purchase a high-powered hairdryer to make a test.</p>
<h3>4.Effects and input costs analysis of pavement blower</h3>
<p>As purchase of the original machine for cleaning, the moving mode must be hand implement, not convenient to use. Decided to use the bottom of the container transport vehicles to install a movable carriage, will be installed inside the pavement hairdryer method, following transport vehicles traveling at low speed, it can clean the road, very convenient to use. Such a sweeping way, per hour can sweep the road 2km, fuel 2kg, at a cost of 10RMB / km, according to two times per week cleaning / km, a monthly fee of 80 RMB, compared with manual cleaning cost savings of 170 RMB / km. According to statistics, the workload of each equivalent of working hair dryer is almost equal to 5-7 workers each day.</p>
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