鋼筋，我想還是有很多人應該見過，鋼筋是指鋼筋混凝土用和預應力鋼筋混凝土用鋼材，其橫截面為圓形，有時為帶有圓角的方形。而接下來小編要說的是鋼筋理論重量表和鋼筋重量計算公式。
Reinforcement bar, I think many people should have seen it. Reinforcement bar refers to steel used in reinforced concrete and pre-stressed reinforced concrete. Its cross section is round, sometimes square with rounded corners. Next, Xiaobian will talk about the theoretical weight table of reinforcing steel and the formula for calculating the weight of reinforcing steel.
一、鋼筋理論重量表
I. Theoretical Weight Table of Reinforcement Bars
這個就是用鋼筋直徑(mm)的平方乘以0.00617，0.617是圓10鋼筋每米重量，鋼筋重量與直徑（半徑）的平方成正比。G=0.617*D*D/100，每米的重量(Kg)＝鋼筋的直徑(mm)×鋼筋的直徑(mm)×0.00617，其實記住建設工程常用的鋼筋重量也很簡單φ6＝0.222 Kg φ6.5＝0.26kg φ8＝0.395kg φ10＝0.617kg φ12＝0.888kg Φ14＝1.21kg Φ16＝1.58kg Φ18＝2.0kg Φ24＝2.47kgΦ22＝2.98kgΦ25＝3.85kgΦ28＝4.837kg
This is to multiply the square of steel diameter (mm) by 0.00617. 0.617 is the weight of 10 steel bars per meter. The weight of steel bars is proportional to the square of diameter (radius). G = 0.617*D*D/100, weight per meter (Kg) =diameter of steel bar (mm) * diameter of steel bar (mm) * diameter of steel bar (mm) * diameter of steel bar (mm) x 0.00617, in fact, remember the weight of steel bar commonly used in construction projects is very simple, too, the weight of steel bar is 6 = 0.222 Kg = 6.5 = 0.26kg = 8 = 0.395 Kg8 = 10 = 0.617 kg10 = 0.617 kg12 = 0 888 kg14 = 1.21kg16 = 1.58 kg18 = 2.24 kg24 = 2.24 kg24 = 2 2.24 = 22 kg24 = 22 22 22 kg22 = 22 22 224 = 22 22 kg2 2 2 = 22 22 22 22 2.98 kg 25 = 3.85 kg 28 = 4.837 kg
二、鋼筋重量計算公式
2. Formula for calculating the weight of reinforcing bars
直徑為d的鋼筋的理論重量＝d^2/100*0.617=d^2X0.00617，^2為平方，0.617為直徑為10鋼筋的理論重量，只需要記住10鋼筋的理論重量即可，直徑12及以下的保留三位小數(shù)；直徑12以上的保留兩位小數(shù)；保留時候6舍7入，用鋼筋直徑(mm)的平方乘以0.00617 。
The theoretical weight of steel bars with diameter d = D ^ 2/100*0.617 = D ^ 2X0.00617, ^ 2 is square, and 0.617 is the theoretical weight of steel bars with diameter 10. Just remember the theoretical weight of steel bars with diameter 12 or less, and retain two decimals with diameter 12 or more; when retaining, 6 is rounded, multiplied by the square of diameter of steel bars (mm) by 0.00617.

具體計算方法
Specific calculation method
1、方鋼每m重量=0.00786×邊寬×邊寬
1. The weight of square steel per M = 0.00786 * edge width * edge width
2、六角鋼每m重量=0.0068×對邊直徑×對邊直徑
2. Weight of hexagonal steel per M = 0.0068 * diameters of opposite sides * diameters of opposite sides
3、八角鋼每m重量=0.0065×直徑×直徑
3. Weight of octagonal steel per M = 0.0065 x diameter x diameter
4、螺紋鋼每m重量=0.00617×直徑×直徑
4. Thread steel weight per M = 0.00617 x diameter x diameter
5、角鋼每m重量=0.00786×(邊寬+邊寬-邊厚)×邊厚
5. Weight of angle steel per M = 0.00786 x (Edge Width + Edge Width-Edge Thickness)x Edge Thickness
6、扁鋼每m重量=0.00785×厚度×寬度
6. Weight of flat steel per M = 0.00785 x thickness x width
7、無縫鋼管每m重量=0.02466×壁厚×(外徑-壁厚)
7. Seamless steel tube weight per M = 0.02466 * wall thickness * (outer diameter-wall thickness)
8、電焊鋼每m重量=無縫鋼管
8. WELDED STEEL/m WEIGHT = SEAMLESS STEEL TUBE

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