| 1. | Modulus of deformation 变形模量 |
| 2. | Standard test method for in situ stress and modulus of deformation using the flatjack method 使用扁千斤顶法现场测定变形的应力和模数的标准试验方法 |
| 3. | Test method for determining the in situ modulus of deformation of rock mass using a radial jacking test 通过径向升高试验测定现场岩石物质变形模数的方法 |
| 4. | Standard test method for determining the in situ modulus of deformation of rock mass using the rigid plate loading method 用刚性板负荷法测定岩石质量现场变形模数的标准试验方法 |
| 5. | Standard test method for determining the in situ modulus of deformation of rock mass using the flexible plate loading method 用挠性板负荷法测定岩石质量现场变形模数的标准试验方法 |
| 6. | This kind of structures will cause the principal stress difference bigger due to the sharp changes modulus of deformation between auxiliary core and main core , auxiliary core and upstream and downstream transition materials , which is disadvantage of stress transmission 该种心墙的结构型式,由于副墙与主墙、副墙与上下游侧过渡料的变形模量发生突变,不利于应力的传递,造成主应力差值偏大。 |
| 7. | According to elasto - plasticity theory , with the help of finite - method program ansys , the paper undertakes the computer analogue tests about the bearing capacity of pile tip arranged by orthogonal principle , and attains the relations of pile - tip bearing capacity to embedment depth , pile diameter , cohesion , internal friction angle and modulus of deformation . by the means of mathematical statistic , regression equation of the ultimate bearing capacity calculated by finite element method is gained through the regression analysis of 81 group data from the computer analogue tests . by comparison and analysis of the values calculated by finite - element regression equation and the values of in situ loading test , the regression equation is gained which calculates the size effect for base resistance of large diameter pile 根据弹塑性理论,运用大型有限元软件ansys按正交设计理论对桩端承载力进行模拟计算,获得桩端承载力与桩长(埋置深度) 、桩径、粘聚力、内摩擦角及变形模量等主要影响因素的关系,并采用数理统计方法,对81组ansys模拟试验结果数据进行回归分析,得到有限元法确定桩端极限承载力的回归公式,并将有限元法回归公式计算值与现场小压板载荷试验值进行比较分析,得到大直径桩端阻的尺寸效应系数计算公式。 |
| 8. | The settlement is analyzed by using the settlement calculation theory already existed and the pile deformation modulus is researched under the different test conditions . it results in the different pile modulus of deformation that the pile side constraint is different because of the different testing conditions , so the settlement calculation for composite foundation of stone columns must use different computing modes based on the testing conditions 利用已有的沉降计算理论对沉降进行了分析,并对不同试验条件下的桩体变形模量进行了研究;桩体侧限阻力因试验条件不同而有差异,导致桩体变形模量的不同,故碎石桩复合地基的沉降计算应根据测试条件的不同选取相应的计算模式。 |