1、

The result states that the structure is elastic under frequent earthquake and intermediate earthquake and the main structure has good performance under rare earthquake.

分析结果表明,结构在小震及设防烈度地震作用下基本处于弹性状态,在罕遇地震作用下主结构能够保持较好的工作状态。

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2、

using observed precursor data of underground water in shaanxi-gansu-ningxia and qinghai and abnormal series method, this paper studied the intermediate precursor indexes of moderate-strong earthquake in the four provinces and regions, further inquired into the seismic situation in the weihe basin and vicinity.

本文用陕、甘、宁、青的地下水前兆观测资料,运用异常系列方法的思路,研究了四省区中强地震的中期前兆指标,并进一步探讨了渭河盆地及周边的地震形势。

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3、

aftershock occurrence rate decay properties for intermediate and deep earthquake sequences

中源及深源地震序列中余震发生率的衰减特性

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4、

( b) When considering the bars in slab participate in beams against negative flexure, four or six times slab-thickness on each side of web can be defined as the effective flange width of slab by intermediate or rare earthquake actions.

当考虑板筋对梁端负弯矩承载力的提高作用时,可在设防烈度地震和罕遇地震作用下分别取每一梁侧四倍、六倍板厚范围作为板的有效宽度。

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