应用剪切波速判别饱和砂土振动液化的研究现状
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摘要
介绍了应用剪切波速判别饱和砂土振动液化的原理 ;从临界剪应变取值、砂土的抗液化能力与剪切波速相关关系的研究方法与设备、用剪切波速进行扰动评价、建立适用于不同土类的统一判别式四方面总结了国内外学者在该领域的一些研究成果及存在问题 ;针对以上问题提出一些看法。
Principle of saturated sand cyclic liquefaction evaluation by shear wave velocity was presented. The we summarized some achievements in the value adoption of critical shear strain, methods and apparatus used in the relationship study between liquefaction resistance and shear wave velocity, disturbance evaluation from shear wave velocity and establishment of uniform wave velocity evaluation formula suitable for all kinds of sand. At last put forward several personal advice in this field.
Principle of saturated sand cyclic liquefaction evaluation by shear wave velocity was presented. The we summarized some achievements in the value adoption of critical shear strain, methods and apparatus used in the relationship study between liquefaction resistance and shear wave velocity, disturbance evaluation from shear wave velocity and establishment of uniform wave velocity evaluation formula suitable for all kinds of sand. At last put forward several personal advice in this field.
引文
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[15] KTokimatsuet.al.,Correlationbetweenliquefactionresistanceandshearwavevelocity[J].Soilsandfoundations,Vol.30,No.2,1990,6.
[16] FAminiet.al.,Liquefactiontestingofstratifiedsiltysands[J].Jour nalofgeotechnicalandgeoenvironmentalengineering,Vol.126,No.3,2003,3.
[17] 石兆吉,等.砂土液化判别和综合方法研究[J].地震工程与工程振动,1997,1.
[18] 吴建平,吴世明.重塑含粘粒砂土的动模量和液化势[J].浙江大学学报,1988,6.
[19] CarmineP .Politoet.al.,Effectsofnonplasticfinesontheliquefactionresistanceofsands[J].Journalofgeotechnicalandgeoenvironmentalengineering,2001,5.
[20] 衡朝阳,等,含粘粒砂土抗液化性能的试验研究[J].工程地质学报,2001,4.
[21] 丁伯阳,等.两相弹性颗粒介质Vs公式与砂土液化判别公式的探讨[J].地震工程与工程振动,1996,4.
[22] Deh-jengJangandJ.DavidFrost,Useofimageanalysistostudythemicrostructureoffailedsandspecimen[J].Can.Geotech.,Vol.37,No.5,2000,10.
[2] 注闻韶.关于饱和砂土液化机理和判别方法的某些探讨[A].水利水电科学研究院论文.第16期[C].北京:水利电力出版社,1984.
[3] 石兆吉.判别水平土层液化势的剪切波速法[J].水文地质和工程地质,1986,4.
[4] 黄博.粉土的动力特性及液化势研究[J].工程勘察,2001,2.
[5] KTokimatsuet.al.,Soilliquefactionevaluationbyelasticshearmoduli[J].SoilsandfoundationsVol.26No.11986,3.
[6] 石兆吉,郁寿松.砂性土剪切波速与液化强度的关系[J].世界地震工程,1991,3.
[7] 黄博,殷建华,等.压电陶瓷弯曲元法测试土样弹性剪切模量[J].振动工程学报,Vol.14No.22001,6.
[8] A .LFernandezandJ.c.Santamarina,Effectofcementationonsmall-strainparametersofsands[J].Can.Geotech.,Vol.38,No.1,2001.2.
[9] 郭锡荣,刘小生.以原位剪切波速模拟砂土结构性的应用[J].水利水电技术,1996,3.
[10] SSasitharan,et.al.,Sampledisturbancefromshearwavevelocitymeasurements[J].Can.Geotech.,vol.31,No.1,1994,2.
[11] 李万红.用超声波方法测量三轴仪内饱和砂试样剪切模量及其与静动强度间关系的初探[A].全国土工建筑物及地基抗震学术讨论会论文汇编[C].西安,1986,11.
[12] 李新.用超声波法测定三轴仪内非饱和砂土试件剪切模量初探[A].全国土工建筑物及地基坑震学术讨论会论文汇编[C].西安,1986,11.
[13] DeAlba,et.al.,Elasticwavevelocityandliquefactionpotential[J].Geotech.Testing.Vol.7,No.2,1984.
[14] 石兆吉,等.土壤液化势的剪切波速判别法[J].岩土工程学报,1993,1.
[15] KTokimatsuet.al.,Correlationbetweenliquefactionresistanceandshearwavevelocity[J].Soilsandfoundations,Vol.30,No.2,1990,6.
[16] FAminiet.al.,Liquefactiontestingofstratifiedsiltysands[J].Jour nalofgeotechnicalandgeoenvironmentalengineering,Vol.126,No.3,2003,3.
[17] 石兆吉,等.砂土液化判别和综合方法研究[J].地震工程与工程振动,1997,1.
[18] 吴建平,吴世明.重塑含粘粒砂土的动模量和液化势[J].浙江大学学报,1988,6.
[19] CarmineP .Politoet.al.,Effectsofnonplasticfinesontheliquefactionresistanceofsands[J].Journalofgeotechnicalandgeoenvironmentalengineering,2001,5.
[20] 衡朝阳,等,含粘粒砂土抗液化性能的试验研究[J].工程地质学报,2001,4.
[21] 丁伯阳,等.两相弹性颗粒介质Vs公式与砂土液化判别公式的探讨[J].地震工程与工程振动,1996,4.
[22] Deh-jengJangandJ.DavidFrost,Useofimageanalysistostudythemicrostructureoffailedsandspecimen[J].Can.Geotech.,Vol.37,No.5,2000,10.
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