为了提高机场混凝土道面封缝材料的固化质量和使用寿命,通过观测13种密封胶在固化期间的弹性恢复率,来分析3大品种密封胶的固化特性.所观测的密封胶包括单(双)组分的聚硫、聚氨酯以及单组分的硅酮,这些材料皆常用于机场混凝土道面接缝的密封,试验观测时间超过5个月.结果表明,硅酮和双组分密封胶的固化速率较快,可以承受较大的早期接缝位移,对于机场混凝土道面接缝的密封应优先选用,研究结果也可供公路、建筑等工程参考.
参考文献
| [1] | Odum-Ewuakye B;Attoh-Okine N .Sealing system selection for jointed concrete pavements-A review[J].Construction and Building Materials,2006,20:591. |
| [2] | 王硕太,刘晓曦,马国靖,吴永根,桑玉书,孔大庆.机场混凝土道面新型封缝材料[J].新型建筑材料,2002(11):26-28. |
| [3] | 王硕太,刘晓曦,吴永根,马国靖,桑玉书,孔大庆.机场混凝土道面新型封缝材料灌缝宽度与深度研究[J].新型建筑材料,2004(12):25-27. |
| [4] | 刘晓曦,王硕太.机场混凝土道面封缝材料疲劳特性[J].交通运输工程学报,2006(01):44-47. |
| [5] | Hutchinson A R;Iglauer S .Adhesion of construction sealants to polymer foam backer rod used in building construction[J].International Journal of Adhesion and Adhesives,2006,26:555. |
| [6] | 王绍良.聚硫建筑密封胶及其应用[J].新型建筑材料,2005(10):54-56. |
| [7] | Hua S H;Liu D Z .Durability evaluation of building sealants by accelerated weathering and thermal analysis[J].Construction and Building Materials,2006,20:878. |
| [8] | Ding S D;Liu D Z;Duan L L .Accelerated aging and aging mechanism of acrylic sealant[J].Polymer Degradation and Stability,2006,91:1010. |
| [9] | Federal Specification SS-S-200E"Sealing Compounds,TwoComponent,Elastomeric,Polymer Type,Jet-Fuel-Resistant,Cold Applied"[S]. |
| [10] | Kamnerdtong N .The shear properties of polymer sealant and analyses of the distortion and fatigue of sealed countersunk riveted lap joints[D].Nashville:Vanderbilt University,2001. |
| [11] | Chew M Y L .The effects of some chemical components of polyurethane sealants on their resistance against hotwater[J].Building and Environment,2003,38:1381. |
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