【摘 要】
:
<正> 目前工程上大多采用路表弯沉盒来评定路面的刚度、判断路面设计及施工是否满足使用要求。该法是根据现场测得的路表在外荷载作用下各点的弯沉,利用层状弹性半空间理论,
论文部分内容阅读
<正> 目前工程上大多采用路表弯沉盒来评定路面的刚度、判断路面设计及施工是否满足使用要求。该法是根据现场测得的路表在外荷载作用下各点的弯沉,利用层状弹性半空间理论,反分析路面各层的刚度。该法现场测试的工作量大,且反分析的解往往不是唯一解。因此,寻求一种简便和可靠的无损检测路面结构质量的方法,是工程界急需解决的问题。本文探讨表面波谱分析法在该方面的应用。一、瑞利波在层状弹性空间中的传播特性当弹性介质的某一局部受扰动后,由近及远介质中各质点将离开自己的平衡位置进入振动状态而出现波动现象。在理想弹性
其他文献
网架结构在公共建筑和大跨度工业建筑方面已被广泛应用,而检查焊接球节点网架的球管焊缝质量,仍是一个迫切需要解决的问题。
The historical habitat of swamps and a lake in the Hula Valley was modified during the early 1950’s. The Swamps and the old Hula Lake were drained and the land
主要对一国产五坐标加工中心的一起严重的故障进行了分析和说明,详细介绍了故障从发生到发展的整个分析和处理过程.强调了要善于抓住问题、分析问题、排除问题和总结问题的重
Teleseismic events have been selected from a database of earthquakes with three components which were recorded between February 2005 and January 2007 by five se
EP 561179-A2含铬、钴、铝、钛、钽、钨、铌、钼和碳,制作燃气轮机的高强度钨基合金High strength nickel based alloy for gasturbine engine components-includes Cr,Co,Al
In this article, a case is made for very-large or primary seismogenic structures in convergent margins, based on anomalous large earthquake magnitudes (Mw 8 - 9
Nepal and Japan, both are multi-hazard prone countries having experience of devastating disasters. It is difficult, if not impossible, to stop natural hazard ev
The Internet-of-Things (IoT) is today one of the hypes in the technological world but despite the enormous attention and research investment, the clear business