Liquefaction software free download liquefaction top 4. Analysis of liquefaction potential, dynamic settlement of soil layers above and below the groundwater gwt table and lateral spreading calculations if you have a sloping ground. It covers liquefaction assessment using various empirical methods, and estimation of post liquefaction lateral spread and reconsolidation settlement of the site. Chapter 5 liquefaction potential evaluation and analysis this chapter provides information to use when evaluating and analyzing the potential for failure due to liquefaction during a seismic event at an ohio waste containment facility. Seisimager and liquefaction assessment software known as cliq were used to process both the masw and cpt data respectively. It performs liquefaction analysis, dynamic settlement and lateral displacement calculations.
Assessment of the liquefaction susceptibility of finegrained soils, journal of geotechnical and geoenvironmental engineering, asce 2 9, 11651177. Presented also are the most widely accepted methods for evaluating the liquefaction potential of cohesionless oils in level ground, for estimating earthquakeinduced settlements and. Assessment of cptbased methods for liquefaction evaluation in a liquefaction potential index framework b. Whether you are a current liqit registered user or a new user searching for a. Liquefaction resistance using cpt and field case histories. Liquefaction spt liqspt program is a windows based program that performs three tasks. Assessment of cptbased methods for liquefaction evaluation. From cliq software you can evaluate liquefaction potential of sites by using spt, cpt and shear wave velocity. Liquefaction probability hazard map is one of the most important tasks in earthquake geotechnical engineering. Attention turned to the possibility of using in situ penetration tests to assess the density and hence the resistance of soils in situ to liquefaction.
Liquefaction analysis soilstructure software youtube. This proposal is based upon information from various sources including. A cptbased effectivestress analysis procedure for liquefaction assessment has been presented. In the first attempt at using nn and cpt data for liquefaction assessment, researchers achieved the same accuracy as the conventional method. Peter robertson and is considered to be one of the most uptodate software available for assessing liquefaction. Liqit is a soil liquefaction analysis software for the assessment of liquefaction potential based on commonly used field data spt, cpt and vs. Cptbased liquefaction triggering procedure journal of. Dec 29, 2017 soilstructure software has liquefactionspt software. Cpt investigation engineering design consultants ltd. Liquefaction prediction and assessment charts, originally developed by seed and idriss, have been widely used for such design in practice, as well as for disaster prevention and mitigation.
The results of shear wave velocity are shown in fig. Further technical specifications of novoliq are presented below. Interpretive software for cpt, cptu, scptu tests cone penetration test data interpretation, seismic cone data analysis. If you require a liquefaction assessment report or you would like further information, please contact us. In this test, data is typically collected at every 20 to 30 mm depth interval, and therefore, the results of cpt test is a large digital dataset. The software addresses advanced issues such as cyclic softening in claylike soils and thin layerlayer transition zone detection.
Cliq is an application provides users an easy to use graphical environment specifically tailored for cone penetration test data cpt and cptu. It also includes the latest assessment procedure developed by. The fucino lacustrine basin in central italy is a large flat area mostly devoted to agriculture, with urbanization along the perimeter of the ancient. Scpt101 c p t b a s i c i n t e r p r e t a t i o n p l o t s n o r m a l i z e d cliq v. Cpt liquefaction worked examples using cliq version 2 gregg. For this type of analysis, there is no need to normalize and calibrate parameters since nn can consider all effective parameters together and find the relations between them. Matlab was the main platform used to code the computational components of this research.
Cpt prediction of soil behaviour type, liquefaction potential. Liquefypro assists engineers in evaluating liquefaction potential and earthquakeinduced settlement. The method uses cpt tip resistance qc and sleeve friction fs, corrected for effective overburden stress. Spreadsheets are hard to preserve and it is time consuming to do all the columns and rows of calculations using. Evaluation of liquefaction potential using neuralnetworks. Which is the best software to assess liquefaction potential of soil. Cliq is more advanced than the cpt section of the current liqit software and provides users an. Key elements in the proposed procedure can be summarized as follows. Cpt liquefaction software cliq is more advanced than the cpt section of the current. Cptbased probabilistic and deterministic assessment of in. The analysis framework is described in idriss and boulanger 2008 except for the revised magnitude. Comparison of sptcpt liquefaction evaluations and cpt interpretations. We use the computer program cliq, which was developed by prof. Novoliq is a powerful, userfriendly geotechnical software for soil liquefaction analysis.
Download novocpt today and explore all the features. Validation of three liquefaction assessment software packages with cpt data from the. Procedures and methods for a liquefaction assessment using. Whether you are a current liqit registered user or a new user searching for a cpt liquefaction assessment software, we strongly believe that you should try cliq. Evaluation of the cone penetrometer test for sptliquefaction assessment. Decision tree approach for soil liquefaction assessment. A cptbased effective stress analysis procedure for. The distributions of the data are examined with respect to various parameters e. Initially, this involved implementing the three chosen cpt based liquefaction assessment methods and calculating the corresponding lpi. It is a windowsbased program with graphical presentations for geotechnical reports. T1 liquefaction resistance using cpt and field case histories.
Earthquake geotechnical engineering for protection and. Evaluation of soil liquefaction using the cpt part 1 dr. Whether you are a current liqit registered user or a new user searching for a cpt liquefaction assessment software, we strongly believe that you should try. This webinar will continue from parts 1 and 2 of using the cpt to evaluate soils for liquefaction and focus on realworld examples using the software program cliq. This paper describes the land damage assessment process for christchurch, including the collection and processing of extensive data and observations related to liquefaction, the characterization of. Liqit utilizes the most recent and wellknown used deterministic and probabilistc methods that exist today. Evaluation of soil liquefaction using the cpt part 1. Liquefaction analysis software geoliqu geoadvanced.
Evaluation and mitigation of liquefaction hazard for. Origin of cpt based methods all methods have similar origins. Liqsvs is a replacement of our liqit liquefaction assessment software. Comparing cpt and vs liquefaction triggering methods p. Cpt liquefaction software cliq is more advanced than the cpt section of the current liqit software and provides users an easy to use graphical environment specifically tailored for cone penetration test data cpt and cptu. Ohio epa requires that the soil units at any waste containment facility be able to withstand the effects of a. However, statistical methods such as lr and dt have been only used for liquefaction. Jul 15, 20 this webinar will continue from parts 1 and 2 of using the cpt to evaluate soils for liquefaction and focus on realworld examples using the software program cliq.
A variety of techniques exist to remediate potentially liquefiable soils and mitigate. As with all of our software, all input and output data can be exported to an microsoft excel file type for further manipulation. N2 relationships between cone penetration tip resistance and the. Dec 24, 2016 determination of seismic liquefaction susceptibility of soils is an imperative task in earthquake science. It covers liquefaction assessment using various empirical methods, and estimation of postliquefaction lateral. Soil liquefaction analysis software novoliq novo tech software.
Simplified cpt performancebased assessment of liquefaction and effects. From interpretation of dissipation tests, seismic data, to liquefaction. In the present study, the patient ruledinduction method prim, for the first time in the engineering literature, has been successfully employed to investigate the potential of liquefaction occurrence due to earthquake strikes in soils. Liquefaction, cpt, sandy soil, artificial neural networks introduction soil liquefaction is a complex phenomenon mostly for saturated sandy soils. Origin of cptbased methods all methods have similar origins. Novocpt cone penetration test cptu processing software novocpt novocpt is a powerful, userfriendly geotechnical software for processing and interpretation of cone penetration test data.
Liquefaction prediction and assessment is a vital part of the earthquakeresistant design of structures on liquefiable soils. Abstracta probabilistic cone penetration test cpt based liquefaction triggering procedure for cohesionless soils is derived using a maximum likelihood method with an updated case history. Procedures and methods for a liquefaction assessment using geostudio 2007 1 introduction the purpose of this document is to highlight the key issues in a liquefaction assessment, and to outline the procedures and methods that can be used in geostudio 2007 to perform such an assessment. Liquefaction assessment geoconsult geotechnical engineers. This is accomplished using a comprehensive worldwide cptbased liquefaction. Evaluation of liquefaction and reliquefaction observed in. Both cpt and shear wave velocity based methods were used in the liquefaction assessment with a particular emphasis on the liquefaction potential of the pleistocene aged soils. Professor kevin franke and his team are developing a simplified model to assess. Download liquefaction analysis software for free windows. Which is the best software to assess liquefaction potential. Novo tech software innovative solutions for geotechnical. Please plan on bringing a laptop computer so you can follow along with the realworld examples using the popular geologismiki software programs, cpetit cpt interpreation and cliq liquefaction analysis. Test cpt soundings can be very effective in site characterization, especially sites with discrete. Pdf evaluation of the cone penetrometer test for spt.
Cpt liquefaction software cliq is more advanced than the cpt section of the. Abstractthis paper presents a new simplified liquefaction prediction and assessment method that is capable of considering the influence of the waveforms and durations of earthquakes. Yangon city is not only financial but also most populated city in myanmar. Quantitative assessment of liquefaction potential in selected. Tip resistance is a measurement of soil hardness, sleeve friction is an indication of the soil cohesive strength commonly seen with clays and pore pressure is related to the pressure generated as the cone is advanced as well as an indication to the amount of clay in the formation. If you have the appropriate software installed, you can download article citation data to the citation manager of your choice. Significant developments have taken place over the past 20 years to evaluate the liquefaction potential of soils. From the table, it is clear that soft computing techniques have been widely used for liquefaction modeling. Feb 19, 2011 liquefaction software free download liquefaction top 4 download offers free software downloads for windows, mac, ios and android computers and mobile devices. C p t b a s i c i n t e r p r e t a t i o n p l o t s n o r. Probability of liquefaction hazard map for yangon city.
Soils report, cpt data files and architectural plans. Cliq is more advanced than the cpt section of the current liqit software and provides users an easy to use graphical environment specifically. It covers liquefaction assessment using various empirical methods, and estimation of postliquefaction lateral spread and reconsolidation settlement of the site. Soil liquefaction assessment software from cpt cptu data. Bradley in practice, several competing liquefaction evaluation procedures leps are used to compute factors of safety against soil liquefaction, often for use within a liquefaction. Which is the best software to assess liquefaction potential of soil using the spt cpt data from field. Cone penetration test cptu processing software novo tech. The analysis framework is described in idriss and boulanger 2008 except for the revised magnitude scaling factor msf developed herein that accounts for the effects of soil type and denseness. It will be a valuable addition to your software library. In the process of analysing the data, the cpt strength profiles that were obtained before and after major aftershock events at sites of re liquefaction were compared. Soil liquefaction assessment software from cptcptu data.
The performance of this network is measured and the results are compared with a real case history. Liquefaction potential of sands using the cpt journal of. Review of geotechnical reports addressing liquefaction 1 background in response to damaging earthquakes in california, in 1990 the state legislature passed the seismic hazards. Field assessment of liquefaction prediction models based. Liquiter by geostru is a software designed for soil liquefaction analysis, supporting a wide variety of field tests spt, vs, cpt, cpte, cptu. Novocpt is the most popular cpt processing software in the market. Pdf comparison of sptcpt liquefaction evaluations and. Simply select your manager software from the list below and click. Liquefaction of loose saturated cohesionless soils under the effect of strong ground motion, is one of the most complex topic that the geotechnical earthquake engineer can face. Our new soil liquefaction software addresses advanced issues such as cyclic softening in claylike soils and thin layerlayer transition zone detection. Evaluation and mitigation of liquefaction hazard for engineering practice wednesday april 9th, 2014 maverik center, west valley, utah.
The nceer liquefaction workshop document presented the standard penetration test spt, and the newer cone penetration test cpt methods to undertake liquefaction analyses, and discussed available. Liquefaction assessment for an urban roading project in. Novocpt cone penetration test interpretation software. Section 4 provides an evaluation of the sptbased liquefaction triggering database relative to the liquefaction triggering correlation by idriss and boulanger 2004, 2008. Cliq is more advanced than the cpt section of the current liqit software and provides users an easy to use graphical environment specifically tailored for cpt and cptu data. Cone penetration test cptu processing software novocpt. Patient ruleinduction method for liquefaction potential.
The code was developed to allow bulk processing of cpt data sets. For cases that qc1ncs are less than 33, it was set to 33. Vs liquefaction assessment a seismic cpt was also performed at site c. Cpt primary measurements include tip resistanceqc, sleeve frictionfs, and pore pressureu. Cptbased analysis of liquefaction and reliquefaction. Simplified liquefaction prediction and assessment method. Cpt liquefaction software cliq is more advanced than the cpt section of the current liqit software and provides users an easy to use graphical environment specifically tailored for cone penetration test. Cpt liquefaction worked examples using cliq version 2. Education software downloads liquefaction spt analysis by soil structure, inc.
From cliq software you can evaluate liquefaction potential of sites by using spt, cpt and. Evaluation of liquefaction and re liquefaction observed in christchurch using cpt data 2 damage. These studies have resulted in the development of liquefaction assessment charts based on sptn, cpt q c. Cone penetration test cptu processing software novo. Novocpt is designed for processing cpt files and calculating soil parameters such as friction angle, relative density, unit weight, fines content, shear wave velocity, gmax, clay sensitivity, ocr, undrained. Novocpt is a powerful, userfriendly geotechnical software for processing and interpretation of cone penetration test data.
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