| 1. | Measurement in - situ and analysis of lateral earth pressure in different retaining structures 不同支护结构的实测土压力及其分析 |
| 2. | Lateral earth pressure 侧向土压力 |
| 3. | Expressions of coefficients of lateral earth pressure for unsaturated soils considering change of volume mass 考虑体积质量变化时非饱和土的土压力系数 |
| 4. | While a cwps can be as high as 13 metres , the ground behind the cwps would yield high lateral earth pressures , which shall be counter - balanced by the pile foundations -由于冷却用水抽水站可能有13米高,因此,冷却用水抽水站后方的土地须承受巨大的横向土压力,必须以桩柱地基支承。 |
| 5. | To drive the constructions of integral - abutmeni bridges in china , this edicle takes efforts to research the lateral earth pressures behide the iniegral - abatmeilt under circular temperatllie loads 整体式桥台桥梁( integral - abutmentbridges ? iabs )已在国外得到迅速发展,而在中国尚少有建造和研究。 |
| 6. | The usual methods for earth pressure calculation are summarized . this paper brings forward a displacement earth pressure model . that is the lateral earth pressure on the supporting structure change with the variation of the supporting structure ’ s displacement 本文研究的主要内容如下: 1 、对常用土压力理论进行综述后,提出一种位移土压力模型,即作用于支挡结构前后土压力的大小随着支挡结构的变形而变化。 |
| 7. | It brings ollt a fem model to calculate lateral earth pressures behide the integral - abutment with considering the inieraction of eallh and abdrient . aiming at the two inherent behavioral deficiencies inherent in all iabs " summer lateral earth . pressure increases after each temperature cycle ; and the settlement adjacent to each abutment develops after each temperatllre cyc1e , this article brings out two method to solve or relieve the above two problems 本文针对整体式桥台桥梁的台后填土存在着土压力逐年增大以及台后填土的沉降问题,建立了整体式桥台桥梁的台与土共同作用的有限元计算模型;并以台后填土为研究对象,提出两种主要处理方法:台后设置eps压缩层方案,选用台后土加筋或置换轻填土方案;通过有限元分析计算了季节性温度荷载变化下产生的位移在上述处理方法中对于台后土压力的影响。 |
| 8. | The authors suggest : the internal force ' s value is rational if the coefficient of lateral resistant force is one - forth to one - sixth of tests value , or the coefficient of lateral soil pressure is bigger than the coefficient of earth pressure at rest , or the lateral resistant force is computed together with the lateral earth pressure 提出如将抗力系数取?实验值1 / 4到1 / 6 ,或土压力系数稍高于静止土压力系数,将侧向抗力和侧向土压力综合?虑,内力计算结果将是合理的。 |
| 9. | One is using geosynthetic tensile reinforcement ( geogrid , geotextile or metallic elements ) to build a mechanicaliy stabilized earth within the soil , the other is . using a wedge - shaped mass of eps - blockgeofoam . the efficiency of this two mathod is eva1uated by fem analysis . also in this article , the influence of several design factors to the lateral earth pressures is examined 本文还对整体式桥台桥梁设计中可能出现的桥台与台后土压力有关的因素进行了分析,包括台与土之间的摩擦系数、桥台选用的高度、填土的不同类型、上部结构位移量的大小以及土体上的荷载的影响,为整体式桥台桥梁台后土压力的设计值提供理论参考依据。 |
| 10. | This new model presents the distribution of lateral earth pressure of soil nailing wall more accurately and concisely ; ( 3 ) studied the work mechanism of composite soil nailing wall , the model of stability analysis of csnw is established and three - dimensional nonlinear numerical computation based on finite element method is conduted to analyze internal forces and deformation of soil nailing ; ( 4 ) combined with a case , the surveying data are also presented to examine the correctness of results of three - dimensional nonlinear numerical computation and the results calculating by the model addressed in this paper to give a further study for the working mechnism of csnw 该计算模式更准确地描述了土钉墙的侧向土压力的分布,而且比较简洁,便于计算; ( 3 )研究了复合土钉墙的支护机理,建立了复合土钉墙支护稳定性分析模型,并采用三维非线性有限元单元法计算了土钉的内应力和变形; ( 4 )结合工程实例,利用监测数据对有限元计算结果进行了检验,并和按本文提出的土钉墙侧向土压力四边形分布模式得出的计算结果进行了比较分析,进一步分析了土钉墙的工作机理。 |