Soil and Earthwork Calculator 與 xsec 使用情況與統計

Soil and Earthwork Calculator contains 60 Calculators for Soil Mechanics, Earthwork,excavation,compaction,footing,thrust from soil,explosion calculations and Civil Engineering parameters - Available for iPad & iPhone - Available in Imperial (USCS) and Metric Units (SI UNITS). List of 60 Calculators : 1. Water Content of a Soil Sample (Volumetric) 2. Water Content of a Soil Sample (Gravimetric) 3. Void Ratio 4. Degree of Saturation 5. Degree of Saturation (Based on Void Ratio 6. Porosity 7. Dry Unit Weight of a Soil Specimen 8. Relative Density of Cohensionless Soils (Based on Void Ratio) 9. Relative Density of Cohensionless Soils (Based on Dry Unit Weight of Soil) 10. Plasticity Index 11. Liquidity Index 12. Shrinkage Index 13. Activity 14. Saturated Unit Weight of Soil 15. Dry Unit Weight of Soil 16. Buoyant Unit Weight of Soil 17. Coefficient of Internal Friction of Soil 18. Vertical Stress in Soil (Boussinesq Equation) 19. Vertical Stress in Soil (Westergaard Equation) 20. Coefficient of Active Pressure 21. Coefficient of Passive Pressure 22. Total Thrust from the Soil (Walls retaining Cohensionless Soils) 23. Total Thrust from the Soil (Walls retaining Cohensionless Soils & Surface behind the Wall is Level) 24. Total Thrust from the Soil (Walls retaining Cohensionless Soils and are Completely Restrained) 25. Total Thrust from the Soil (Walls retaining Cohensionless Soils and are Completely Restrained & Surface behind the Wall is Level) 26. Total Thrust from the Soil (Walls retaining Cohesive Soils and are Free to Move a Considerable Amount)" 27.Total Thrust from the Soil (Walls retaining Cohesive Soils and are Free to Move a Small Amount) 28. Total Thrust from the Soil (Highly Cohesive Soils) 29. Total Thrust from Water retained behind a Wall) 30. Effect of Surcharge on a Wall retaining Cohensionless Soil/Unsaturated Cohesive Soil 31. Stability Number (Slope - Without Seepage Water) 32. Stability Number (Slope - Seepage of Water) 33. Ultimate Bearing Capacity of Soil (Prandtl's Equation) 34. Relationship between Loads on Foundations and Settlement 35. Volume of Soil 36. Percentage of Moisture Content in Soil 37. Field Density of Soil 38. Dry Density of Soil 39. Percentage of Compaction of Soil 40. Scaling Factor (Load-Bearing Test) 41. California Bearing Ratio 42. Flow Rate 43. Compaction Production 44. Rolling Resistance (Earth Moving) 45. Grade Resistance (Earth Moving) 46. Total Road Resistance/Total Pull (Earth Moving) 47. Volume of Soil after Excavation 48. Volume of Soil after Compaction 49. Scraper Production 50. Trips per Hour (Scraper) 51. Amount of Material carried by a Machine 52. Production Required 53. Number of Scrapers needed on a Job 54. Number of Scrapers a Pusher can Load 55. Variable Time 56. Wavelength of Vibration during Explosion 57. Velocity of Particles distributed by Vibration during Explosion 58. Acceleration of Particles distributed by Vibration during Explosion 59. Overpressure due to Explosion 60. Sound Pressure Level - Uses either ( . ) dot or ( , ) comma as decimal separator, based on regional settings of the device.

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Beam and column cross-section analysis of reinforced concrete, prestressing etc. Metric or inch-pound. Any shape: input X,Y per corner or bar. Any materials: input a sequence of stress/strain coordinates for each. Any loading; biaxial or not. An innovative cross-section analysis algorithm that is very universal is used. The enterprising design professional can take full advantage of their knowledge of the materials: • to design innovative concrete members, • to assess the remaining strength in irregular shaped surviving parts of deteriorated or damaged beams or columns. The algorithm is described by Thompson, P. J., Discussion of "Ultimate Strength Domain of Reinforced Concrete Sections under Biaxial Bending and Axial Load", ACI Structural Journal, Nov-Dec 2013, pp 1109-1112. There are established computation methods for a variety of cross-section shapes: rectangular, circular and Tee are examples. Also the established methods use a variety of shapes for the stress/strain relationship of concrete: the rectangular stress block, the parabolic stress block, linear, cracked linear are examples. With most of these established methods, if the input to the application is the same as that input to the established method then the results from the application will be the same as those from that established method. Several of the worked examples are taken from previously published articles and illustrate this point. The material description facility is completely general. Material descriptions can be prepared for any locale and any standard design code document. Also once prepared they can be copied from one job to the next. This is one of the benefits of the file read/write facilities in the application. There is a comprehensive user guide and some worked examples on the internet at xsecweb.com.