基于实际工况的桥面板处理方法与效果
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摘要
根据现有施工经验,提出以3个主要指标及1个附加指标来评价桥面板处理效果,通过室内试验,研究各种处理方法的处理效果与评价指标的合理性。结果表明:构造深度、糙化深度、摆值及露骨率能够准确反映桥面板的处理效果,不同桥面板处理方法中,铣刨、露石效果最好;凿点、刻槽次之;拉毛效果最差。此外,研究了桥面板层间工作状态,提出了桥面层间实际工况分级,并在此基础上推荐了不同工况下板面处理技术标准和相应的处理方法。
According to the construction experience,three main indices and one additional index were put forward to evaluate the effect of bridge deck treatment,and the treatment effect and the rationality of the evaluation indices were studied through indoor experiment.The results show that the depth of structure,the depth of roughening,the pendulum value and the rate of exposed bone can accurately reflect the treatment effect of bridge deck.Among the treatment methods,milling has the best effect,and grooving is better than galling.In addition,the interlayer working state of bridge deck was researched,and the classification of actual working conditions of bridge deck was put forward,based on which the technical standards and corresponding treatment of bridge deck under different working conditions are recommended.
According to the construction experience,three main indices and one additional index were put forward to evaluate the effect of bridge deck treatment,and the treatment effect and the rationality of the evaluation indices were studied through indoor experiment.The results show that the depth of structure,the depth of roughening,the pendulum value and the rate of exposed bone can accurately reflect the treatment effect of bridge deck.Among the treatment methods,milling has the best effect,and grooving is better than galling.In addition,the interlayer working state of bridge deck was researched,and the classification of actual working conditions of bridge deck was put forward,based on which the technical standards and corresponding treatment of bridge deck under different working conditions are recommended.
引文
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[3]马亦斌,于明明.桥面铺装大中修工程层间处治技术研究[J].华东公路,2014(3):44-47.
[4]王选仓,穆柯,王朝辉,等.沥青路面双层摊铺技术研究[J].筑路机械与施工机械化,2012,29(1):24-27.
[5]罗敏.露石混凝土桥面板应用及层间抗剪性能研究[D].西安:长安大学,2009.
[6]王火明,周宏伟,魏强.混凝土桥面防水粘结层剪应力计算分析[J].公路交通技术,2011,8(4):14-17.
[7]谢媛媛.喷砂打磨技术在混凝土桥面铺装层中的应用[J].云南建筑,2008(2):77-79.
[8]罗宏俭.创新型混凝土桥面抛丸处理技术[J].筑路机械与施工机械化,2010,27(2):4-6.
[9]葛守飞,郭知涛.桥面板高摩阻表面处理工艺研究[J].黑龙江交通科技,2008,31(12):101-102.
[10]杨洋,王选仓,王建亚.沥青路面层间工作状态分级及处治标准研究[J].公路交通科技:应用技术版,2012(5):43-46.
[11]何军红,杨宏燕,杨宏升.混凝土桥梁防水粘结层剪应力的影响因素分析[J].北方交通,2013(11):44-46.
[12]于静涛.沥青铺装与桥面板层间粘结改善技术研究[D].西安:长安大学,2006.
[13]王民,雄海涛,李克德,等.水泥混凝土桥桥面板处理工艺试验研究[J].筑路机械与施工机械化,2010,27(6):26-29.
[14]朱金鹏.路面层间控制指标与处治技术研究[D].西安:长安大学,2014.
[15]万晨光,申爱琴,薛翠真,等.层间接触状态对桥面铺装结构力学响应的影响[J].江苏大学学报:自然科学版,2016,43(2):236-241.
[16]于力昌.水泥混凝土桥面防水层施工技术[J].技术与市场,2013,20(11):85-85.
[17]马晓宁,王选仓,朱金鹏.新疆地区沥青路面基面层间处治研究[J].武汉大学学报:工学版,2016,49(3):407-410,416.