广西大学学报(自然科学版)
廣西大學學報(自然科學版)
엄서대학학보(자연과학판)
JOURNAL OF GUANGXI UNIVERSITY (NATURAL SCIENCE EDITION)
2013年
4期
969-974
,共6页
李尚飞%赵春风%冼芳任%谢肖礼
李尚飛%趙春風%冼芳任%謝肖禮
리상비%조춘풍%승방임%사초례
单桩%组合荷载%承载机理%组合系数
單樁%組閤荷載%承載機理%組閤繫數
단장%조합하재%승재궤리%조합계수
singe pile%combined load%bearing mechanism%combination coefficient
为了进一步研究组合荷载作用下单桩极限承载力规律,本文进行了组合荷载作用下单桩极限承载力室内模型试验,通过对采集到的数据进行分析,明确了单桩在组合荷载作用下达到破坏时,单桩极限承载力竖向分量、水平分量和弯矩分量三者之间的关系,总结出了组合荷载作用下单桩的倾斜系数ia 和弯矩影响系数im ,结合倾斜系数ia 和弯矩影响系数im 提出组合荷载作用下单桩的组合系数iam ,用本文提出公式对本文试验和其他学者所做试验进行计算,计算误差都在10%以内,证明了文中所提组合系数的正确性和优越性。本文试验是根据砂土中的长摩擦桩试验结果提出的,结论宜应用在砂土中的长摩擦桩。
為瞭進一步研究組閤荷載作用下單樁極限承載力規律,本文進行瞭組閤荷載作用下單樁極限承載力室內模型試驗,通過對採集到的數據進行分析,明確瞭單樁在組閤荷載作用下達到破壞時,單樁極限承載力豎嚮分量、水平分量和彎矩分量三者之間的關繫,總結齣瞭組閤荷載作用下單樁的傾斜繫數ia 和彎矩影響繫數im ,結閤傾斜繫數ia 和彎矩影響繫數im 提齣組閤荷載作用下單樁的組閤繫數iam ,用本文提齣公式對本文試驗和其他學者所做試驗進行計算,計算誤差都在10%以內,證明瞭文中所提組閤繫數的正確性和優越性。本文試驗是根據砂土中的長摩抆樁試驗結果提齣的,結論宜應用在砂土中的長摩抆樁。
위료진일보연구조합하재작용하단장겁한승재력규률,본문진행료조합하재작용하단장겁한승재력실내모형시험,통과대채집도적수거진행분석,명학료단장재조합하재작용하체도파배시,단장겁한승재력수향분량、수평분량화만구분량삼자지간적관계,총결출료조합하재작용하단장적경사계수ia 화만구영향계수im ,결합경사계수ia 화만구영향계수im 제출조합하재작용하단장적조합계수iam ,용본문제출공식대본문시험화기타학자소주시험진행계산,계산오차도재10%이내,증명료문중소제조합계수적정학성화우월성。본문시험시근거사토중적장마찰장시험결과제출적,결론의응용재사토중적장마찰장。
In order to study the ultimate bearing capacity of single pile under combined loads , model tests on single pile were conducted , and the data that indicates the bearing capacity of single pile were analyzed .The relationship among the vertical component , horizontal component and bending moment component of the ultimate bearing capacity for single pile under combined loads was estab-lished.The inclined coefficient ia and bending moment influence coefficient im of single pile were proposed, which resulted in the combination coefficient iam of single pile under combined loads .The calculated results given by the theory proposed in the paper for the tests and other tests is with a 10%variation a compared with those in actual measurement , demonstrating the validity and superi-ority of the theory .The theory proposed in the paper is suitable for the calculation of the ultimate bearing capacity of over-length frictional single pile in sand .