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| 1 | Unconfined compressive strength of MICP and EICP treated sands subjected to cycles of wetting-drying,freezing-thawing and elevated temperature:Experimental and EPR modelling显示文摘Microbial-induced carbonate precipitation(MICP)and enzyme-induced carbonate precipitation(EICP)are two bio-cementation techniques,which are relatively new methods of ground improvement.While both techniques share some similarities,they can exhibit different overall behaviours due to the differences in urease enzyme sources and treatment methods.This paper presented 40 unconfined compressive strength(UCS)tests of MICP and EICP treated sand specimens with similar average calcium carbonate(CaCO3)content subjected to cycles of wetting-drying(WD),freezing-thawing(FT)and elevated temperature(fire resistance test e FR and thermogravimetric analysis e TG).The average CaCO3 content after a certain number of WD or FT cycles(ACn)and their corresponding UCS(qn)reduced while the mass loss increased.The EICP treated sand specimens appeared to exhibit a lower resistance to WD and FT cycles than MICP treated specimens possibly due to the presence of unbonded or loosely bonded CaCO3 within the soil matrix,which was subsequently removed during the wetting(during WD)or thawing(during FT)process.FR test and TG analysis showed a significant loss of mass and reduction in CaCO3 content with increased temperatures,possibly due to the thermal decomposition of CaCO3.A complete deterioration of the MICP and EICP treated sand specimens was observed for temperatures above 600C.The observed behaviours are complex and theoretical understanding is far behind to develop a constitutive model to predict qn.Therefore,a multi-objective evolutionary genetic algorithm(GA)that deals with pseudo-polynomial structures,known as evolutionary polynomial regression(EPR),was used to seek three choices from millions of polynomial models.The best EPR model produced an excellent prediction of qn with a minimum sum of squares error(SSE)of 2.392,mean squared error(MSE)of 0.075,root mean square error(RMSE)of 0.273 and a maximum coefficient of determination of 0.939. | Isaac Ahenkorah Mizanur Rahman Rajibul Karim Simon Beecham | 2023 | Journal of Rock Mechanics and Geotechnical Engineering2023，15，5： | 2 |
| 2 | The effects of irrigation methods with effluent and irrigation scheduling on water use efficiency and corn yields in an arid region显示文摘 | Ali Morad Hassanli Mohammad Ali Ebrahimizadeh Simon Beecham | 2008 | Agricultural Water Management2008，，1： | 2 |
| 3 | Coupling CD28 co - stimulation to immunoglobuIin T - cell receptor molecules : the dynamics of Tcell proliferation and death显示文摘 | Beecham E3 Ma Q Ripley R | 2000 | J Immunother2000，23，6： | 1 |
| 4 | A randomizedcontrolled trial to evaluate the effectiveness and cost-effectiveness of psychodynamic counseling for general practice patients with chronic depression显示文摘 | Simpson S Corney E Fitzgerald P Beecham J | 2003 | Psychol Med2003，33，2： | 1 |
| 5 | The economic im- pact of chronic pain in adolescence:methodological consid- erations and a preliminary costs-of-illness study显示文摘 | Sleed M Eccleston C Beecham J | 2005 | Pain2005，119，13： | 1 |
| 6 | Genetic linkage of serum homocysteine in Dominican :!amilies: the family study of stroke risk and carotid atherosclerosis显示文摘 | Della-Morte D Beecham A Rundek T | 2010 | Stroke2010，41，7： | 1 |
| 7 | Common variants at MS4A4/ MS4A6E,CD2AP,CD33 and EPHA1 are associated with late-onset Alzheimer′s disease显示文摘 | Naj AC Jun G Beecham GW | | 0，，： | 1 |
| 8 | Interactions between HIV and hepatitis B virus in homosexual men:effects on the natural history of infection显示文摘 | GILSON R J HAWKINS A E BEECHAM M R | 1997 | AIDS1997，11，5： | 1 |
| 9 | Notch activation induces endothelial cell senescence and pro-inflammatory response:implication of Notch signaling in atherosclerosis显示文摘 | Liu ZJ Tan Y Beecham GW | 2012 | Atherosclerosis2012，225，2： | 1 |
| 10 | Streetscape biodi-versity and the role of bioretention swales in an Australian urbanenvironment显示文摘 | Fatemeh Kazemi Simon Beecham Joan Gibbs | 2011 | Landscape and Urban Planning2011，101，2： | 1 |
| 11 | Interactions between HIV and hepatitis B virus in homosexual men:effects on the natural history of infection显示文摘 | Gilson RJ Hawkins AE Beecham MR | 1997 | AIDS1997，11，： | 1 |
| 12 | Dietary advice based on the glycaemic index improves dietary profile and metabolic control in type 2 diabetic patients显示文摘 | Frost G Wilding J Beecham J | 1994 | Dia-betMed1994，11，： | 1 |
| 13 | Streetscale bioretention basins in melbourne and their effect on local biodiversity显示文摘 | Kazemi F Beecham S Gibbs J | 2009 | Ecol Eng2009，35，12： | 1 |
| 14 | Interactions between HIV and hepatitis B virus in homosexual men: effects on the natural history of infection显示文摘 | Richard J.C. Gilson Anna E. Hawkins Michael R. Beecham Emma Ross James Waite Moya Briggs Tracey McNally Gabrielle E. Kelly Richard S. Tedder Ian V.D. Weller | 1997 | AIDS1997，，5： | 1 |
| 15 | Factors associated with failed retrieval of the Günther Tulip inferior vena cava filter显示文摘 | Marquess JS Burke CT Beecham AH | 2008 | J Vasc Interv Radiol2008，19，： | 1 |
| 16 | The relationship between porosity and strength for porous concrete显示文摘 | Lian C Zhuge Y Beecham S | 2011 | Construction and Building Materials2011，25，11： | 1 |
| 17 | The relationship between porosity and strength for porous concrete显示文摘 | Lian C Zhuge Y Beecham S | 2011 | Construc- tion and Building Materials2011，25，11： | 1 |
| 18 | Defining a requirements process improvement model显示文摘 | Beecham S Hall T Rainer A | | 0，，13： | 1 |
| 19 | Genome-wide asso- ciation meta-analysis of neuropathologic features of Alzheim- er's disease and related dementias显示文摘 | Beecham GW Hamilton K Naj AC | 2014 | PLoS Genet2014，10，9： | 1 |
| 20 | 显示文摘 | Cupissol D Proc 5thEuro Conf Clin oncol London 1898 Smith Kline Beecham Satellite Symposium | 1990 | Euro J Cancer1990，26，1： | 1 |
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