CAJ | 학술논문

为解决因大孔隙与高压缩引起土的强度降低问题，采用棕榈加筋上海粘土来提高其强度。选择棕榈加筋率、加筋尺寸作为影响因素，对其进行直剪慢剪、CBR及无侧限抗压强度的试验研究。试验结果表明：棕榈加筋土能够显著提高上海粘土抗剪强度、抗压强度及抗变形能力。最适宜的棕榈加筋尺寸为6 mm ×12 mm。直剪慢剪试验的最佳加筋率为0．6％，CBR及无侧限抗压强度试验的最佳加筋率为0．8％。同时通过试验研究，分析加筋土强度变化的原因，掌握棕榈加筋对上海粘土影响的变化规律。
위해결인대공극여고압축인기토적강도강저문제，채용종려가근상해점토래제고기강도。선택종려가근솔、가근척촌작위영향인소，대기진행직전만전、CBR급무측한항압강도적시험연구。시험결과표명：종려가근토능구현저제고상해점토항전강도、항압강도급항변형능력。최괄의적종려가근척촌위6 mm ×12 mm。직전만전시험적최가가근솔위0．6％，CBR급무측한항압강도시험적최가가근솔위0．8％。동시통과시험연구，분석가근토강도변화적원인，장악종려가근대상해점토영향적변화규률。
To solve the reducing problem of soil strength caused by large pores and high compression , the paper used palm to mix in shanghai clay to improve its strength ,and selected palm reinforcement rate ,re-inforcement size as influence factors and did direct slow shear test , CBR test and unconfined compressive strength test .The results showed that palm reinforced soil can significantly improve shanghai clay shear strength , compressive strength and resistance deformation ability .The optimum size of palm reinforcement is 6mm ×12mm.The best reinforcement rate of direct slow shear test is 0.6%.The best reinforcement rate of CBR and unconfined compressive strength test is 0.8%.At the same time, Through the analysis of change reasons of palm reinforced shanghai clay , the paper mastered the change rule of influence of palm reinforced shanghai clay .