不同類別場地下兩種典型等效線性化程序?qū)Ρ?/H1>
發(fā)布時間：2018-05-26 02:30
本文選題：土層地震反應(yīng)分析 + 等效線性化 ； 參考：《中國地震局工程力學(xué)研究所》2015年碩士論文
【摘要】：對工程場地進行地震安評工作時,要用到場地地震動參數(shù)。場地地震動參數(shù)主要為場地地震動峰值(峰值加速度、峰值速度、峰值位移)、反應(yīng)譜與時程強度包絡(luò)函數(shù)等。其中,最為常用的為地震動峰值加速度與加速度反應(yīng)譜。一維分析模型進行地震反應(yīng)分析主要應(yīng)用于地面、土層及基巖面較為平坦的場地,目前主流的程序有LSSRLI-1與SHAKE2000。二者的都是基于等效線性化方法來計算土層地震反應(yīng)的程序。其中,國內(nèi)目前廣泛應(yīng)用的LSSRLI-1等效線性化程序起始于上世紀(jì)80年代,與目前代表國際先進水平的SHAKE2000存在一些計算結(jié)果上的差異。本文以SHAKE2000為參照,對比二者的計算結(jié)果,了解其差異所在,為下一步的程序改進工作提供基礎(chǔ)。本文主要內(nèi)容為:1、介紹國內(nèi)土層反應(yīng)分析方法的研究現(xiàn)狀,介紹等效線性化方法,介紹LSSRLI-1與SHAKE2000兩個程序。2、構(gòu)造理想計算剖面,選取輸入地震波與土的非線性曲線。3、利用LSSRLI-1與SHAKE2000兩個程序,對四種類型的場地進行計算,對比地表峰值加速度、地表加速度反應(yīng)譜與土層剪應(yīng)變之間的差異,總結(jié)其規(guī)律。4、將四類場地在兩種非線性條件下的計算結(jié)果進行整體分析,得到兩個程序間差異與場地分類、輸入地震波、土的非線性條件的關(guān)系,得到LSSRLI-1與SHAKE2000計算出的地表反應(yīng)差異的一般性規(guī)律。
[Abstract]:Ground motion parameters should be used in seismic safety assessment of engineering site. The parameters of ground motion are mainly the peak value of ground motion (peak acceleration, peak displacement), response spectrum and time-history intensity envelope function. Among them, the most commonly used is the peak acceleration and acceleration response spectrum of ground motion. The seismic response analysis based on one-dimensional analysis model is mainly used in the field where the surface, soil layer and bedrock surface are relatively flat. At present, the main programs are LSSRLI-1 and SHAKE2000. Both programs are based on the equivalent linearization method to calculate the seismic response of soil layer. The LSSRLI-1 equivalent linearization program, which is widely used in China at present, started in the 1980s, and there are some differences between the results of calculation and that of SHAKE2000, which represents the international advanced level. In this paper, SHAKE2000 is used as a reference to compare the results of their calculations, to understand the differences, and to provide a basis for the next work of program improvement. This paper introduces the research status of soil layer response analysis method in China, introduces the equivalent linearization method, and introduces two programs, LSSRLI-1 and SHAKE2000, to construct the ideal calculation profile. Selecting the nonlinear curve of input seismic wave and soil. 3, using LSSRLI-1 and SHAKE2000 program to calculate four kinds of sites, comparing the difference between the peak acceleration, the response spectrum of ground acceleration and the shear strain of soil layer. Summing up its rule. 4, the results of four kinds of sites under two nonlinear conditions are analyzed as a whole, and the relationship between the difference between the two programs and the site classification, the input of seismic wave and the nonlinear condition of soil is obtained. The general law of surface response difference calculated by LSSRLI-1 and SHAKE2000 is obtained.
【學(xué)位授予單位】：中國地震局工程力學(xué)研究所
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：P315.9
【參考文獻】
相關(guān)期刊論文 前9條
1 賀傳松,周正華,李山有;場地組合土對輸入地震動的影響[J];東北地震研究;1999年01期
2 符圣聰,江靜貝;Iwan模型用于場址動力分析[J];地震工程與工程振動;1984年03期
3 袁曉銘,孫銳,孫靜,孟上九,石兆吉;常規(guī)土類動剪切模量比和阻尼比試驗研究[J];地震工程與工程振動;2000年04期
4 李小軍,彭青;不同類別場地地震動參數(shù)的計算分析[J];地震工程與工程振動;2001年01期
5 齊鑫;肖遙;;下遼河地區(qū)典型土層地震反應(yīng)時域和頻域方法對比[J];地震工程與工程振動;2012年01期
6 欒茂田,林皋;場地地震反應(yīng)一維非線性計算模型[J];工程力學(xué);1992年01期
7 李小軍;廖振鵬;張克緒;;土體動力本構(gòu)模型評述[J];世界地震工程;1993年04期
8 郭明珠,陳厚群;場地類別劃分與抗震設(shè)計反應(yīng)譜的討論[J];世界地震工程;2003年02期
9 齊文浩;薄景山;;土層地震反應(yīng)等效線性化方法綜述[J];世界地震工程;2007年04期
，
本文編號：1935598
本文鏈接：http://www.sikaile.net/kejilunwen/diqiudizhi/1935598.html
本文選題：土層地震反應(yīng)分析 + 等效線性化 ； 參考：《中國地震局工程力學(xué)研究所》2015年碩士論文
【摘要】：對工程場地進行地震安評工作時,要用到場地地震動參數(shù)。場地地震動參數(shù)主要為場地地震動峰值(峰值加速度、峰值速度、峰值位移)、反應(yīng)譜與時程強度包絡(luò)函數(shù)等。其中,最為常用的為地震動峰值加速度與加速度反應(yīng)譜。一維分析模型進行地震反應(yīng)分析主要應(yīng)用于地面、土層及基巖面較為平坦的場地,目前主流的程序有LSSRLI-1與SHAKE2000。二者的都是基于等效線性化方法來計算土層地震反應(yīng)的程序。其中,國內(nèi)目前廣泛應(yīng)用的LSSRLI-1等效線性化程序起始于上世紀(jì)80年代,與目前代表國際先進水平的SHAKE2000存在一些計算結(jié)果上的差異。本文以SHAKE2000為參照,對比二者的計算結(jié)果,了解其差異所在,為下一步的程序改進工作提供基礎(chǔ)。本文主要內(nèi)容為:1、介紹國內(nèi)土層反應(yīng)分析方法的研究現(xiàn)狀,介紹等效線性化方法,介紹LSSRLI-1與SHAKE2000兩個程序。2、構(gòu)造理想計算剖面,選取輸入地震波與土的非線性曲線。3、利用LSSRLI-1與SHAKE2000兩個程序,對四種類型的場地進行計算,對比地表峰值加速度、地表加速度反應(yīng)譜與土層剪應(yīng)變之間的差異,總結(jié)其規(guī)律。4、將四類場地在兩種非線性條件下的計算結(jié)果進行整體分析,得到兩個程序間差異與場地分類、輸入地震波、土的非線性條件的關(guān)系,得到LSSRLI-1與SHAKE2000計算出的地表反應(yīng)差異的一般性規(guī)律。
[Abstract]:Ground motion parameters should be used in seismic safety assessment of engineering site. The parameters of ground motion are mainly the peak value of ground motion (peak acceleration, peak displacement), response spectrum and time-history intensity envelope function. Among them, the most commonly used is the peak acceleration and acceleration response spectrum of ground motion. The seismic response analysis based on one-dimensional analysis model is mainly used in the field where the surface, soil layer and bedrock surface are relatively flat. At present, the main programs are LSSRLI-1 and SHAKE2000. Both programs are based on the equivalent linearization method to calculate the seismic response of soil layer. The LSSRLI-1 equivalent linearization program, which is widely used in China at present, started in the 1980s, and there are some differences between the results of calculation and that of SHAKE2000, which represents the international advanced level. In this paper, SHAKE2000 is used as a reference to compare the results of their calculations, to understand the differences, and to provide a basis for the next work of program improvement. This paper introduces the research status of soil layer response analysis method in China, introduces the equivalent linearization method, and introduces two programs, LSSRLI-1 and SHAKE2000, to construct the ideal calculation profile. Selecting the nonlinear curve of input seismic wave and soil. 3, using LSSRLI-1 and SHAKE2000 program to calculate four kinds of sites, comparing the difference between the peak acceleration, the response spectrum of ground acceleration and the shear strain of soil layer. Summing up its rule. 4, the results of four kinds of sites under two nonlinear conditions are analyzed as a whole, and the relationship between the difference between the two programs and the site classification, the input of seismic wave and the nonlinear condition of soil is obtained. The general law of surface response difference calculated by LSSRLI-1 and SHAKE2000 is obtained.
【學(xué)位授予單位】：中國地震局工程力學(xué)研究所
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：P315.9
【參考文獻】
相關(guān)期刊論文 前9條
1 賀傳松,周正華,李山有;場地組合土對輸入地震動的影響[J];東北地震研究;1999年01期
2 符圣聰,江靜貝;Iwan模型用于場址動力分析[J];地震工程與工程振動;1984年03期
3 袁曉銘,孫銳,孫靜,孟上九,石兆吉;常規(guī)土類動剪切模量比和阻尼比試驗研究[J];地震工程與工程振動;2000年04期
4 李小軍,彭青;不同類別場地地震動參數(shù)的計算分析[J];地震工程與工程振動;2001年01期
5 齊鑫;肖遙;;下遼河地區(qū)典型土層地震反應(yīng)時域和頻域方法對比[J];地震工程與工程振動;2012年01期
6 欒茂田,林皋;場地地震反應(yīng)一維非線性計算模型[J];工程力學(xué);1992年01期
7 李小軍;廖振鵬;張克緒;;土體動力本構(gòu)模型評述[J];世界地震工程;1993年04期
8 郭明珠,陳厚群;場地類別劃分與抗震設(shè)計反應(yīng)譜的討論[J];世界地震工程;2003年02期
9 齊文浩;薄景山;;土層地震反應(yīng)等效線性化方法綜述[J];世界地震工程;2007年04期
，本文編號：1935598
本文鏈接：http://www.sikaile.net/kejilunwen/diqiudizhi/1935598.html
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