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首页> 外文会议>Asia-Pacific Conference on Shock amp; Impact Loads on Structures; 20031112-14; Changsha, Hunan,(CN) >EARTHQUAKE AND BLAST SHOCK LOADING ON MASONRY VENEER STRUCTURES
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EARTHQUAKE AND BLAST SHOCK LOADING ON MASONRY VENEER STRUCTURES

机译：砌体单板结构的地震和爆炸冲击载荷

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摘要

This paper presents the seismic (earthquake) shock loading impact on the masonry veneer / steel stud wall systems. The response under earthquake and blast loading largely depends on the dynamic characteristics of both the structure and the earthquake excitation. Proper consideration of the connections (ties) stiffness and placing (spacing), and other dynamic properties is essential to predict the dynamic behavior, no matter how difficult the analysis procedure becomes. The objective of this paper is examined the influence of the seismic ties' spacing on the bearing capacity of the masonry veneer/steel stud wall systems. The masonry brick veneer/steel stud wall is more than just brick and mortar. The wall is actually a system of interdependent components, that when working together, provide a well-performing and durable wall cladding. And, this wall system is one of the most popular kinds in the masonry structures on the Pacific Northwest and Western American coast. The masonry brick veneer/steel stud walls provide a durable, aesthetically pleasing exterior facade for a variety of building types. Research evaluation shows that there are some problems with these masonry structures under earthquake (seismic) and blast shock loading. Cracking in buildings and building materials results from restrained movement. Regarding to this the goals of this investigation is to be examined the reasons for seismic/ blast resistant decreasing of the masonry brick veneer/steel stud wall system. There are presented: the basic components and characteristics of the wall systems (backup wall, masonry ties, intermediate supports of the veneer - shelf angel, masonry units and mortar, mortar joints, flashing, thermal insulation, air and vapor barriers); estimation of the earthquake forces on masonry brick veneer/steel stud; review of the corrosion problems; investigation of the effect of rigid shear ties on the performance of the masonry wall structure; examination of the masonry veneer system behavior; and determination of the influence of the seismic ties' spacing on the earthquake and blast impact ductility and rigidity of the masonry veneer/steel stud wall systems. As one of the basic problems of the masonry brick veneer/steel stud wall systems, the corrosion could be contributed for restriction of the absorption of the earthquake and blast pick loading' energies, and of the dissipation that forces. This determined and the significant influence of the ties' kind, their capacity and ties' spacing in the wall system. As conclusion of the examination could be say that the firmness and seismic/blast resistance of the masonry brick veneer/steel stud wall system is in dependence of the ties' spacing and their physics - mechanical properties.
机译：本文介绍了地震（地震）冲击载荷对砌体贴面/钢钉墙系统的影响。地震和爆炸荷载作用下的响应很大程度上取决于结构和地震激励的动力特性。无论分析程序有多困难，都必须适当考虑连接（连接）的刚度和放置（间距）以及其他动态属性，以预测动态行为。本文的目的是研究地震枕木间距对砌体贴面/钢钉壁系统的承载力的影响。砖石贴面/钢钉墙不仅仅是砖和灰浆。墙实际上是相互依存的组件的系统，当一起工作时，可以提供性能良好且耐用的墙面。而且，这种墙体系统是太平洋西北部和西美洲沿岸砖石结构中最受欢迎的一种。砖石饰面/钢钉墙为各种建筑类型提供了坚固耐用，美观的外墙。研究评估表明，这些砖石结构在地震（地震）和爆炸冲击荷载作用下存在一些问题。建筑物和建筑材料的开裂是由于运动受限制而引起的。对此，本研究的目的是要检查砌体砖饰面/钢钉墙系统抗震/防爆性能降低的原因。介绍了：墙体系统的基本组成部分和特征（后备墙，砖石扎带，饰面的中间支撑-架子天使，砖石单元和砂浆，灰浆缝，防潮，隔热，空气和蒸汽屏障）；估算砌体砖饰面/钢钉上的地震力；审查腐蚀问题；刚性剪切带对砌体墙结构性能影响的研究；检查砌体贴面系统的行为；并确定地震带的间距对砖石贴面/钢钉墙系统的地震和爆炸冲击的延性和刚度的影响。作为砌体砖贴面/钢钉墙系统的基本问题之一，腐蚀可能有助于限制地震吸收和爆破荷载能量的吸收以及力的耗散。这决定了墙体系统中领带类型，其能力和领带间距的重大影响。可以得出结论，砌砖单板/钢钉墙系统的牢固性和抗震/抗爆性能取决于系带的间距及其物理-机械性能。

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