山西建筑
山西建築
산서건축
SHANXI ARCHITECTURE
2014年
35期
90-91
,共2页
压缩模量Es%压缩试验%三次样条插值%Matlab
壓縮模量Es%壓縮試驗%三次樣條插值%Matlab
압축모량Es%압축시험%삼차양조삽치%Matlab
compression module Es%compression test%cubic spline interpolation%Matlab
采用对压缩曲线(e—p曲线)进行三次样条插值拟合,研究发现该方法在节点上拟合的相对误差是零,并根据实验数据对拟合曲线的精度进行验证,通过三次样条插值能获取任意压力下的孔隙比e,从而精确得到任意压力段对应的土层压缩模量Es。
採用對壓縮麯線(e—p麯線)進行三次樣條插值擬閤,研究髮現該方法在節點上擬閤的相對誤差是零,併根據實驗數據對擬閤麯線的精度進行驗證,通過三次樣條插值能穫取任意壓力下的孔隙比e,從而精確得到任意壓力段對應的土層壓縮模量Es。
채용대압축곡선(e—p곡선)진행삼차양조삽치의합,연구발현해방법재절점상의합적상대오차시령,병근거실험수거대의합곡선적정도진행험증,통과삼차양조삽치능획취임의압력하적공극비e,종이정학득도임의압력단대응적토층압축모량Es。
The paper adopts the cubic spline interpolation matching for the compressive e—p curve,researches the relative error for the joint matching with the method is zero,proves the accuracy of the matching curve according to the experimental data,obtains the air space ratio e un-der any pressure with the cubic spline interpolation,so as to conclude the according layer compression module Es at any pressure section.