2021 Soil Mechanics(Xi’an Jiaotong University) 最新满分章节测试答案
- Introduction Exercises
- Chapter1 Basic characteristics and engineering classification of soils Exercises
- Chapter 2 Permeability of soil and seepage force Exercises
- Chapter 3 Stress calculation in soil Exercises
- Chapter 4 Soil compressibility and calculation of foundation settlement Exercises
- Chapter 5 Shear strength Exercises
- Chapter 6 Bearing capacity Exercises
- Chapter 7 Slope stability analysis Exercises
- Chapter 8 Earth pressure and retaining walls Exercises
本答案对应课程为:点我自动跳转查看
本课程起止时间为:2021-02-22到2021-07-30
本篇答案更新状态:已完结
Introduction Exercises
1、 问题:Which of the following engineering issues are closely related to geotechnical engineering（ ）
选项：
A:Foundation excavation
B:Pouring floor
C:Highway roadbed
D:Steel structure design
答案: 【Foundation excavation;
Highway roadbed】
2、 问题:The part of rock, soil and groundwater involved in civil engineering construction is also commonly regarded as geotechnical engineering（ ）
选项：
A:正确
B:错误
答案: 【正确】
Chapter1 Basic characteristics and engineering classification of soils Exercises
1、 问题:Which of the following statement about the three-phase ratio index of the physical properties of soil is correct（ ）
选项：
A:The void ratio of the soil will never be greater than 1
B:The water content of the soil is the ratio of the mass of water to the total mass of the soil
C:The natural water content and void ratio of the soil are the basic indexes that can be directly measured
D:The porosity is the ratio of the volume of voids to the total volume of the soil
答案: 【The porosity is the ratio of the volume of voids to the total volume of the soil】
2、 问题:The structure of sandy soil usually belongs to（ ）
选项：
A:Single grain fabric
B:Honeycomb fabric
C:Flocculent fabric
D:Any of the above
答案: 【Single grain fabric】
3、 问题:The pore volume of fully saturated soil is equal to the volume of water（ ）
选项：
A:正确
B:错误
答案: 【正确】
4、 问题:The greater the plasticity index of cohesive soil, the greater the hardness of the soil（ ）
选项：
A:正确
B:错误
答案: 【错误】
Chapter 2 Permeability of soil and seepage force Exercises
1、 问题:According to geological exploration, saturated unit weight of a certain soil layer is 19.6KN / m3. Its critical hydraulic gradient is（ ）
选项：
A:1.0
B:0.63
C:0.51
D:0.70
答案: 【1.0】
2、 问题:Darcy’s law shows that the discharge velocity bears a linear relation with （ ）for sand.
选项：
A:the seepage time
B:the cross-sectional area of seepage
C:the hydraulic gradient
D:the seepage distance
答案: 【the hydraulic gradient】
3、 问题:Due to the existence of capillary cohesion, some sand sculptures can be built in the seaside area（ ）
选项：
A:正确
B:错误
答案: 【正确】
4、 问题:The coefficient of permeability of different soil layers in the layered soil are equal（ ）
选项：
A:正确
B:错误
答案: 【错误】
Chapter 3 Stress calculation in soil Exercises
1、 问题:When calculating geostatic stress of the soil layer, ( ) should be used for permeable soil with (i.e., sand and clay) below the groundwater level.
选项：
A:unit weight
B:saturated unit weight
C:buoyant unit weight
D:dry unit weight
答案: 【buoyant unit weight】
2、 问题:The stress state of the ground soil under the strip foundation can be simplified as ( ) for analysis.
选项：
A:one-dimensional stress
B:plane strain
C:plane stress
D:three-dimensional stress
答案: 【plane strain】
3、 问题:The groundwater level of a foundation is 2.0 m below the ground. When the groundwater level drops to 5.0 m, the vertical geostatic stress of the soil at 3.0 m below the ground will decrease（ ）
选项：
A:正确
B:错误
答案: 【错误】
4、 问题:The effective stress principle shows that the total stress is equal to the sum of the effective stress and the pore water pressure（ ）
选项：
A:正确
B:错误
答案: 【正确】
Chapter 4 Soil compressibility and calculation of foundation settlement Exercises
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