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Concrete Microwave Promote With Fixed Attention Experimental Study

Posted on:2012-04-30Degree:MasterType:Thesis
Country:ChinaCandidate:D M SunFull Text:PDF
GTID:2212330368983033Subject:Architecture and Civil Engineering
Abstract/Summary:PDF Full Text Request
It was modern times civil engineering middle indispensability,dosage most,use most extensive constructional material,at engineering construction middle concreting moulding rear compare little liner,early ascertain there of early strength,judge station cast concrete intensity whether reach design requirement to be run up to design requirement yes immensity engineering builder raise one's head and look with long for matter for to that concrete.Avail microwave heating maintenance process could hugely bump concrete early strength,supply reliable try gist, keep out of,considering human factor,raw and processed materials wave wait different kinds of cause wrought concrete construction molar irregularity,there by result in structural security and viability fell wrought human resource, greatness waste out with scene proportioning of concrete. Design and adjust up of.Look into microwave energy,microwave heating hour,concrete water cement ratio,aggregate variety,mineral blend the kind of and adulterate measure,chemistry additive wait manifold factor versus microwave heating queen concrete temperature rise and mass loss impact law, adopt tailor-made microwave heating dying,erect concrete promote with fixed attention system for up.In company with high performance concrete extensive use,erect said strain concrete promote with fixed attention system all the more appear be of great moment for.in company with concrete extensive use,appear be of great moment.It is in recent years concrete stuff extend one import heading,possess high wrought gender into to high performance concrete,both high strength and high viability,usually need for use mineral blend and chemistry additive,toward high performance concrete microwave promote with fixed attention try,select know clearly silica flour and pulverized fuel ash amphi-blend for out to.Textual look into contain triplex ones duty held:Select appropriate stuff execution concrete sample dying; for The concrete ascertain there of specimen stripping time; of the to ward to a certainty mix.The parallelism relation of the establishment a sort of microwave heating promote with fixed attention system,get fresh concrete transit microwave heating promote with fixed attention queen,obtain thereof early strength,over with early microwave heating promote with fixed attention intensity in contradistinction to anaphase standard curing intensity ppm compartment, obtain early strength (6-8h) and anaphase standard curing intensity (7d,14d,28d)Avail polymethyl methacrylate stuff specific performance execute know clearly concrete microwave promote with fixed attention test piece mould,could satisfaction try require out of;through the medium of,ascertain normal concrete,silica fume concrete,flyash concrete microwave promote with fixed attention specimen stripping time;the microwave promote with fixed attention specimen stripping time of the ascertain for normal concrete, silica fume concrete, fly ash concrete.
Keywords/Search Tags:Microwave promote, early strength, high performance concrete, silica fume, fly ash
PDF Full Text Request
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