Asphalt Pavement Maintenance Preparation For Construction Work

 
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Material Selection
1.General Requirements
⑴Various materials have to be tested according to the requirements, qualified after assessment analysis can be used.
⑵For aggregate particle size in square hole sieve should prevail
⑶Any material that comes into play should the registration, issuance of acceptance of a single material.[url=http://roadroutercrack.com/blog-new/274.html]Asphalt Pavement Maintenance Machine use skill[/url]
2.Road Asphalt
⑴Treatment asphalt surface bituminous material used should conform specification.
⑵Bitumen grade asphalt surface used should be selected according to climate conditions, construction seasonal temperature.
⑶Asphalt storage station must be from different sources, different grades of bitumen are stored separately. Stored during use of asphalt, asphalt tank or oil storage tank temperature suitable for 130 ℃ -180 ℃.[url=http://roadroutercrack.com/blog-new/61.html]common road maintenance hydraulic tools prices[/url]
⑷Road asphalt waterproofing measures should have good storage, use and storage process, should be avoided with water or steam into the heat pipe bitumen pool.
3.Coarse Aggregate
⑴Rough Set for asphalt surface materials include gravel, crushed gravel, screened gravel, crushed gravel and slag, etc. to meet the requirements.
⑵Coarse aggregate particle size specification 'asphalt surface layer of coarse aggregate specifications "requirement selection.[url=http://roadroutercrack.com/blog-new/4315.html]cheap high efficient driveway sealer[/url]
⑶Coarse aggregate should be clean, dry and free of efflorescence, no impurities, strength, abrasion resistance.
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