CAJ | 학술논문

G(1,1)模型只利用单点已测数据进行预测该点的位移,而不管别的因素的影响。而事实上该点位移和围护桩上其他点的位移及锚索拉力是耦合的。针对传统的单因素灰色模型在基坑预测中的不足之处,提出采用多因素的G(1,N)灰色模型对基坑位移进行预测研究。计算实例表明,该模型预测精度高,所需数据少,简单实用,值得在大跨桥梁基坑预测中推广。
G(1,1)모형지이용단점이측수거진행예측해점적위이,이불관별적인소적영향。이사실상해점위이화위호장상기타점적위이급묘색랍력시우합적。침대전통적단인소회색모형재기갱예측중적불족지처,제출채용다인소적G(1,N)회색모형대기갱위이진행예측연구。계산실례표명,해모형예측정도고,소수수거소,간단실용,치득재대과교량기갱예측중추엄。
G(1,1)-model-only-by-using-a-single-point-has-surveying-data-predicted-it-in-displacement,-regardless-of-other-influences.-In-fact,-the-point-displacement-and-the-displace-ment-of-other-points-on-the-pile-and-tension-force-of-anchor-cable-is-coupled.-In-traditional-single-factor-grey-prediction-model-de-ficiencies-in-the-foundation-pit-forecast,-the-paper-proposes-the-multi-factored-grey-G-(1,-N)-model-to-predict-the-displace-ment-of-foundation-pit.-A-calculation-example-shows-that-this-model-forecast-precision-is-high-and-it-is-less-the-required-data-and-simple-and-practical-and-worthy-to-be-used-broadly-in-the-displacement-forecast-of-foundation-pit-in-long-span-brige.