| 摘要 | 第4-9页 |
| Abstract | 第9-10页 |
| 1 Overview | 第13-16页 |
| 1.1 Significance | 第13页 |
| 1.2 Research status at home and abroad | 第13-14页 |
| 1.3 The main research contents and technical route | 第14-16页 |
| 1.3.1 The main research | 第14页 |
| 1.3.2 The technical route | 第14-16页 |
| 2 Weather and engineering geological features | 第16-23页 |
| 2.1 Engineering geological features | 第16-20页 |
| 2.1.1 Tehama engineering survey | 第16页 |
| 2.1.2 Tehama physiographic environment | 第16页 |
| 2.1.3 Tehama geomorphology characteristic | 第16-19页 |
| 2.1.4 Tehama Aeolian sand movement | 第19-20页 |
| 2.1.5 Vegetation | 第20页 |
| 2.2 The Tehama wither | 第20-23页 |
| 2.2.1 Wind directions and wind speed | 第20-21页 |
| 2.2.2 Rainfall and annual evaporation | 第21-23页 |
| 3 Different silt content of windblown sand physical properties | 第23-30页 |
| 3.1 Different silt content of windblown sand particles | 第23-24页 |
| 3.2 The preparation preparation of the physical properties of the samples | 第24-27页 |
| 3.3 Different proportion of different silt content of windblown sand test | 第27-28页 |
| 3.4 The different silt content windblown sand water limits | 第28页 |
| 3.5 The different silt content of windblown sand physical properties | 第28-30页 |
| 4 The test study for wind-blown sand with different silt content | 第30-61页 |
| 4.1 Compaction characteristics | 第30-41页 |
| 4.1.1 Heavy standard compaction test | 第30-32页 |
| 4.1.2 Dry vibration test | 第32-35页 |
| 4.1.3 Water vibration test | 第35-37页 |
| 4.1.4 The comparison of the test results | 第37-38页 |
| 4.1.5 Wind-blown sand compaction mechanism | 第38-40页 |
| 4.1.6 Summary | 第40-41页 |
| 4.2 Different strength characteristics of wind-blown sand | 第41-56页 |
| 4.2.1 Different hydraulic shear strength test of the accumulating sand in thewind | 第41-45页 |
| 4.2.2 Resilience modulus test for wind-blown sand with different silt content | 第45-49页 |
| 4.2.3 CBR test for different mud Aeolian sand | 第49-56页 |
| 4.3 The deformation characteristics of wind-blown sand with three different siltcontent | 第56-61页 |
| 5 Comprehensive evaluation on road performance of wind-blown sand with different siltcontent | 第61-64页 |
| 5.1 Different classification basis for wind-blown sand containing silt | 第61页 |
| 5.2 Evaluation results of wind-blown sand with different silt content on performanceof usage in road | 第61-64页 |
| 5.2.1 The compaction characteristics | 第62页 |
| 5.2.2 Strength characteristics | 第62页 |
| 5.2.3 Deformation characteristics | 第62-63页 |
| 5.2.4 Summary | 第63-64页 |
| 6 Main conclusions and suggestions | 第64-66页 |
| 6.1 The main conclusions | 第64-65页 |
| 6.2 Suggestions | 第65-66页 |
| Acknowledgements | 第66-67页 |
| References | 第67-68页 |
