CAJ | 학술논문

为提供长春硬塑状态老黏性土可靠的地基承载力依据，探讨适宜的确定地基承载力的方法，采用载荷试验、静力触探试验原位测试和室内土工试验等方法对长春老黏性土进行了测试研究，获取了地基承载力特征值（306～425 kPa）、静力触探锥尖阻力（1．9～3．3 MPa）、天然孔隙比（0．63～0．72）和液性指数（0．02～0．25）等试验数据。通过对试验数据的统计分析，得出地基承载力特征值与静力触探锥尖阻力线性相关，并与天然孔隙比和液性指数线性相关的结论。据此，提出了根据静力触探锥尖阻力计算长春老黏性土地基承载力特征值的经验公式，总结出根据室内土工试验指标确定长春老黏性土地基承载力特征值的数据表。
위제공장춘경소상태로점성토가고적지기승재력의거，탐토괄의적학정지기승재력적방법，채용재하시험、정력촉탐시험원위측시화실내토공시험등방법대장춘로점성토진행료측시연구，획취료지기승재력특정치（306～425 kPa）、정력촉탐추첨조력（1．9～3．3 MPa）、천연공극비（0．63～0．72）화액성지수（0．02～0．25）등시험수거。통과대시험수거적통계분석，득출지기승재력특정치여정력촉탐추첨조력선성상관，병여천연공극비화액성지수선성상관적결론。거차，제출료근거정력촉탐추첨조력계산장춘로점성토지기승재력특정치적경험공식，총결출근거실내토공시험지표학정장춘로점성토지기승재력특정치적수거표。
In order to provide reliable basis for foundation bearing capacity of Changchun hard plastic old clay and to discuss appropriate measures for determining the characteristic value of subsoil bearing capacity,laboratory soil test and in-situ testing methods including loading test and cone penetration test (CPT)are carried out,and the characteristics value of subsoil bearing capacity (306 425 kPa),the value of CPT(1.9 3.3 MPa),natural void ratio (0.63 0.72)and liquidity index (0.02 0.25)are collected.Based on the test data,there can be found a linear correlation between characteristic value of subsoil bearing capacity and the value of CPT,between characteristic value of subsoil bearing capacity and natural void ratio and between characteristic value of subsoil bearing capacity and liquidity index. Therefore,an empirical formula is presented,which the characteristic value of subsoil bearing capacity can be calculated according to the value of CPT.And then a calculation table about the characteristic value of subsoil bearing capacity of Changchun old clay is summed up according to the laboratory soil test indexes.