發(fā)布時(shí)間：2018-04-13 03:00

  本文選題：橋面環(huán)氧覆層 + 環(huán)氧膠黏劑�。� 參考：《公路工程》2014年04期

【摘要】：以抗拉強(qiáng)度、伸長率、彈性模量為指標(biāo),研究不同種類固化劑對彈性環(huán)氧膠黏劑性能的影響,并選取3組固化劑復(fù)配的環(huán)氧體系進(jìn)行綜合性能測試,對環(huán)氧膠黏劑配方進(jìn)行優(yōu)化;同時(shí),以洛杉磯磨耗值、磨光值為指標(biāo),對骨料進(jìn)行選擇,并從環(huán)氧膠黏劑固化產(chǎn)物性能、骨料級(jí)配及性能、環(huán)氧覆層路用性能方面,對橋面環(huán)氧覆層性能進(jìn)行綜合測試。最后,結(jié)合工程實(shí)際,針對環(huán)氧覆層鋪裝制定相應(yīng)的施工工藝。研究表明,不同固化劑組合在性能方面會(huì)有區(qū)別,將自制的改性胺類與韌性酚醛胺復(fù)合后,其固化性能較好;同時(shí),作為環(huán)氧覆層鋪裝集料,金剛砂、玄武巖、花崗巖碎石較為適合,而河砂的耐磨性能差。研究可為橋面環(huán)氧覆層應(yīng)用提供一定參考。
[Abstract]:Taking tensile strength, elongation and modulus of elasticity as indexes, the effects of different curing agents on the properties of elastic epoxy adhesives were studied, and the comprehensive properties of epoxy systems with three groups of curing agents were tested.The formulation of epoxy adhesive was optimized. At the same time, with Los Angeles wear value and polishing value as the index, the aggregate was selected, and the properties of epoxy adhesive curing product, aggregate gradation and performance, and the performance of epoxy coating were analyzed.The performance of epoxy coating on bridge deck was comprehensively tested.Finally, according to the engineering practice, the corresponding construction technology is developed for epoxy coating pavement.The results show that different curing agents have different properties. When the modified amines are combined with the tenacity phenolic amines, the curing properties of the modified amines are better, at the same time, as epoxy coating paving aggregates, Emery, basalt,Granite gravel is more suitable, but river sand wear resistance is poor.The study can provide some reference for the application of epoxy coating on bridge deck.
【作者單位】： 湖南省高速公路管理局郴州管理處;長沙理工大學(xué);
【分類號(hào)】：U443.33

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本文編號(hào)：1742602