土钉墙与锚拉桩(国外英文资料).doc

土钉墙与锚拉桩(国外英文资料) Answer the 20 questions of yesterdays old hat!! 1. what is the concept of composite soil nailing wall? 2. piles play what work? Are the 3. piles rigid or flexible? 4. what is a soil nail wall? 5. what is the mechanism of action? 6. which components are involved? 7. how to work? 8. how to calculate? 9. what items are calculated? 10. what is a composite soil nail wall? 11. what are the soil nailed walls attached to? 12. how to design under working conditions? 13. what are anchor retaining piles? What is the wall of the 14. sites? 15. how does the composite member in the composite soil nail wall participate in the work? 16. when do you take part in the work? 17. how much function does it share? 18. what is the purpose of the compound? 19. why compound? 20. the application scope of composite soil nailing Answer as follows: 1. the birth of composite soil nailing wall provides a new supporting concept for foundation pit support in high water level and soft stratum. Compared with the traditional foundation pit support type, the biggest characteristics are: low cost, short construction period, no noise. The idea is: to create a soft soil stratum or complex formation in the nail filled wall support!!! 2. the curtain of water curtain in composite soil nail wall usually has the function of reinforcing stratum and stabilizing excavation face except water stopping function. 3., if it is flexible, it is equivalent to the soil nailing wall. If it is rigid, it belongs to the single mixing pile, and the composite soil nail wall structure belongs to the semi soft and semi rigid structure. There is no absolute statement, soft what is soft? Why is it just now? Are there boundaries? 4. soil nailing wall is a kind of self stabilizing gravity retaining wall structure. It is a kind of active support technology. It was formed in 70s and developed in 80s. It has more research and engineering applications in Western countries. Its main features are: belongs to a light retainin