| 某地下工程围岩的声波频谱特性 |
| |
| 引用本文： | 简文彬,吴振祥,邓鼎兴.某地下工程围岩的声波频谱特性[J].岩土力学,2003(Z2). |
| |
| 作者姓名： | 简文彬 吴振祥 邓鼎兴 |
| |
| 作者单位： | 福州大学岩土工程与工程地质研究所 福建福州350002
(简文彬，吴振祥)，福建省地质工程勘察院 福建福州350002(邓鼎兴) |
| |
| 基金项目： | 高等学校骨干教师资助计划(编号:2000-8)资助 |
| |
| 摘 要： | 对某地下工程围岩进行声波测试,利用FFT方法进行信号的频谱分析,得到围岩声波的频谱特性。结果表明,声波传播过程中携带了反映岩体固有特性的信息,声波的频谱在一定程度上反映了岩体的结构、构造、完整性等特征;完整岩石的声波频谱以高频为主,裂隙岩体的声波频谱以低频为主;比较岩石与岩体声波测试的频谱差异,可对岩体质量的好坏进行判断。
|
| 关 键 词： | 岩体(石) 声波测试 频谱 |
On the character of frequency spectrum for an underground engineering wall rock |
| |
| JIAN Wen-bin,WU Zheng-xiang,DENG Ding-xing.On the character of frequency spectrum for an underground engineering wall rock[J].Rock and Soil Mechanics,2003(Z2). |
| |
| Authors: | JIAN Wen-bin WU Zheng-xiang DENG Ding-xing |
| |
| Institution: | JIAN Wen-bin1,WU Zheng-xiang1,DENG Ding-xing2 |
| |
| Abstract: | Acoustic wave measurements were taken from a underground engineering wall rock. The acoustic wave signals were analyzed by FFT, and the frequency spectrum characters of acoustic wave were obtained. The results show that the information reflected the inherent characters of wall rock is carried during acoustic wave propagation. The frequency spectrum reflects, certain degree, the characters of structure, formation and integrality of wall rock in certain deyrce. The acoustic wave transmitting in rock is of high frequency, and of low frequency mainly in rock mass. The quality of wall rock can be estimated by the frequency spectrum differences of acoustic waves between rock and rock mass. |
| |
| Keywords: | rock mass (rock) acoustic wave measurement frequency spectrum |
| 本文献已被 CNKI 等数据库收录！ |
