【摘要】：本文以拆除爆破烏海市科技大樓和沈陽(yáng)市珠江熱源廠煙囪時(shí)監(jiān)測(cè)到的振動(dòng)波數(shù)據(jù)為實(shí)驗(yàn)依據(jù),通過(guò)對(duì)有無(wú)減震防護(hù)措施下兩種結(jié)構(gòu)體拆除爆破塌落過(guò)程中質(zhì)點(diǎn)峰值振速和主振頻率衰減規(guī)律進(jìn)行對(duì)比分析,計(jì)算出有減震措施情況下的振速和頻率的變化率,證明減震措施的有效性；回歸分析出兩次拆除爆破塌落觸地振動(dòng)經(jīng)驗(yàn)公式的衰減系數(shù),對(duì)比兩種結(jié)構(gòu)爆破時(shí)塌落過(guò)程的差別,首次提出了建筑物的下坐現(xiàn)象會(huì)嚴(yán)重影響峰值振速衰減系數(shù)β值的大小；通過(guò)對(duì)框架結(jié)構(gòu)大樓下坐觸地振動(dòng)衰減規(guī)律的研究,得出與傾倒相同方向上的質(zhì)點(diǎn)下坐觸地振速比切向上同距離的質(zhì)點(diǎn)振速大；利用量綱分析法的基本原理建立了塌落觸地主振頻率的相似準(zhǔn)數(shù)方程,并回歸計(jì)算現(xiàn)場(chǎng)數(shù)據(jù)得到了兩組類(lèi)型結(jié)構(gòu)物塌落觸地振動(dòng)主振頻率的預(yù)測(cè)公式；通過(guò)對(duì)結(jié)構(gòu)在爆破地震效應(yīng)作用下的動(dòng)力響應(yīng)分析結(jié)果與同條件下常規(guī)地震波的比較分析,驗(yàn)證爆破拆除完成后臨近建筑物結(jié)構(gòu)的安全性。
文內(nèi)圖片：
圖片說(shuō)明：圖３．１邐ＴＣ－４８５０爆破測(cè)振儀測(cè)試系統(tǒng)逡逑Ｆｉｇ．邋３．１邋Ｂｌａｓｔｉｎｇ邋ｖｉｂｒａｔｉｏｎ邋ｔｅ＾邋ｓｙ＾ｅｍ邋ｏｆ邋ＴＣ－４８５０逡逑ｒｉｎｒｒｉｉｉｉｉｉ邋邋邋邋邋邐—ｌｉＭｍｉ，…
[Abstract]:Based on the vibration wave data monitored when demolishing the chimney of Wuhai Science and Technology Building and Shenyang Pearl River Heat Source Factory, this paper compares and analyzes the peak particle vibration velocity and the attenuation law of main vibration frequency in the process of demolition blasting collapse with or without shock absorption protection measures, and calculates the change rate of vibration velocity and frequency in the case of shock absorption measures, which proves the effectiveness of the shock absorption measures. The attenuation coefficient of the empirical formula of ground touching vibration in two demolition blasting is analyzed by regression analysis, and compared with the difference of collapse process between the two structures, it is proposed for the first time that the subsidence phenomenon of the building will seriously affect the attenuation coefficient 尾 of the peak vibration velocity, and through the study of the attenuation law of the ground contact vibration under the frame structure building, it is concluded that the vibration velocity of the ground touching under the particle in the same direction as the toppling direction is larger than that of the particle with the same tangential direction. Based on the basic principle of dimensional analysis, the similar criterion equation of the main vibration frequency of collapse touching ground is established, and the prediction formulas of the main vibration frequency of two groups of structures are obtained by regression calculation of the field data. The safety of the adjacent building structure after blasting demolition is verified by comparing the dynamic response analysis results of the structure under the action of blasting seismic effect with the conventional seismic wave under the same conditions.
【學(xué)位授予單位】：遼寧工程技術(shù)大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類(lèi)號(hào)】：TU746.5;TU311.3

【參考文獻(xiàn)】

相關(guān)期刊論文 前10條

1 葛勇;汪旭光;魏格平;;復(fù)雜環(huán)境下11層框架樓房拆除爆破[J];工程爆破;2014年03期

2 王江平;王仕文;房澤法;;復(fù)雜環(huán)境下銀海大廈定向爆破拆除[J];工程爆破;2013年04期

3 朱寬;鐘冬望;陳浩;李琳娜;何理;司劍鋒;;210m鋼筋砼煙囪爆破倒塌過(guò)程測(cè)量分析[J];武漢科技大學(xué)學(xué)報(bào);2013年04期

4 由強(qiáng);鄒陽(yáng);;15層剪力墻樓房爆破拆除[J];工程爆破;2013年Z1期

5 王文進(jìn);張建平;張福光;苗智靈;;雙Y型框架-剪力墻結(jié)構(gòu)樓房爆破拆除[J];工程爆破;2012年04期

6 周家漢;;爆破拆除塌落振動(dòng)速度計(jì)算公式的討論[J];工程爆破;2009年01期

7 謝先啟;孫金山;賈永勝;羅啟軍;盧文波;;19層框-剪結(jié)構(gòu)樓房雙向折疊爆破數(shù)值模擬[J];工程爆破;2008年04期

8 張世平;閻晉文;;爆破拆除高大建筑物產(chǎn)生的震動(dòng)危害與減震方法[J];太原理工大學(xué)學(xué)報(bào);2006年06期

9 張立國(guó),龔敏,于亞倫;爆破振動(dòng)頻率預(yù)測(cè)及其回歸分析[J];遼寧工程技術(shù)大學(xué)學(xué)報(bào);2005年02期

10 王小林,徐書(shū)雷,吳楓;國(guó)內(nèi)外拆除爆破技術(shù)發(fā)展現(xiàn)狀[J];西安科技學(xué)院學(xué)報(bào);2003年03期

相關(guān)碩士學(xué)位論文 前1條

1 徐澤沛;爆破拆除塌落過(guò)程及觸地震動(dòng)的分析研究[D];長(zhǎng)沙理工大學(xué);2004年

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