In the design of multi-storey residential stairs, the size of stairwell is 2.7m, the depth is 4.8m, the floor height is 2.8m, and the height difference between inside and outside is 0.6m. The floor plan of the building is designed

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• 1. In the design of stairs, the floor height is 2800, the step height is 150, the number of 18 steps is 100 more, the number of 19 double runs is not consistent, and the length of one more step, how to deal with it
• 2. The residential building is 3.6 meters high, 2.3 meters wide and 3 meters long. How much is the step height and width of the two running stairs more appropriate?
• 3. The height of the building is 3 meters, the length of the staircase is 4 meters, it is required to make double turn stairs, and the rest platform is 1 meter. How to calculate the height of the rest platform? The width of the step height?
• 4. How does the area of marble of stair step platform calculate? Is 2cm of marble overhanging platform area? If granite is not made at the skirting board (not the skirting line) of the stair step, and the step width is 28cm, how much material should be provided? Please give me more advice
• 5. How should stairs and steps be calculated The known conditions are: 1. Residential indoor stairs 2. Plane space 6 square meters (3 meters long and 2 meters wide) 3. Indoor height 3.6 meters Excuse me: 1. Can I make a circular staircase? 2. If I can, how wide should I be? How many steps should I take to get up? What is the best step?
• 6. What is the standard requirement of stair step width
• 7. Stair step method
• 8. How to determine the slope gradient of foundation trench inspection
• 9. What is the reason for changing the slope gradient of subgrade excavation from 1:0.5 to 1:1
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• 11. The height of the residence is 3 meters, the depth of the staircase is 4.5 meters, the opening is 2.6 meters, and the indoor and outdoor height difference is 450 mm. A parallel double running staircase is designed Such as the title
• 12. Room 2.3 meters, depth 4 meters, can do staircase? Seek design! Seek the design drawing of stairwell. The height of the building is 3 meters, including the floor
• 13. A park office building has three floors, 2800 in height, 2700 in stairwell, 5400 in depth and 240 in wall thickness, Width b, ladder length 1, floor well width b, platform width D1, D2
• 14. Some scores have more oral problems
• 15. Oral arithmetic (score) An offer score that can be reduced 1 / 12 × 6 = 2 / 33 × 11= 4 / 5 × 5 / 8 = 1 / 3 + 3 / 5= 4 / 9 × 2 = 3 / 24 × 8= 20 / 21 × 14 / 15= 1 / 3 × 2 / 5 = 2 / 3 × 2 / 3= 5 out of 17 × 0 = 6 out of 1 × 7= 9 of 14 × 7 of 6 = 8 of 9 × 5 of 12= 5 / 6 × 3 / 4 = 2 / 3-1 / 2=
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• 18. Formula for calculating the weight of iron For example, a piece of iron is m 12x80, how much should its weight be? How to calculate the calculation formula? M 12x80 mm. How many kilos do I need to get the result. What's the density. How do you know?
• 19. How to calculate the weight of the lamp pole? The formula is: the density of iron is 7.85 For example, the height of the pole is 11m, the diameter of the big end is 175mm, the diameter of the small end is 80mm, and the lateness of the iron is 4mm,
• 20. Given the density of iron, the weight and thickness of the object; how to calculate the surface area? What is the formula?