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钢结构算量常用Excel公式大全,收藏这一篇就够了

  • 2026-09-24 18:14:12
钢结构算量常用Excel公式大全,收藏这一篇就够了
▲ Excel算量表格与钢结构图纸
大家好,我是老孙。
做钢结构算量,Excel是最常用的工具。很多新手算量慢,不是不会算,是Excel公式用得不熟。
今天把我平时算量常用的公式整理一下,都是实战中天天用的,收藏起来,用的时候直接抄。
所有公式都可以直接复制到Excel里用,把单元格引用改成你自己的就行。

一、基础重量公式

这是最核心的公式,所有钢板类的重量都用这个算:

重量(kg) = 厚度(mm) × 宽度(m) × 长度(m) × 7.85 × 数量

Excel里这样写:

=A2*B2*C2*7.85*D2

(A2=厚度,B2=宽度,C2=长度,D2=数量)
这个公式能算:钢板、节点板、加劲板、柱底板、H型钢翼缘板和腹板,万能公式。
▲ Excel公式编辑界面

二、H型钢拆板计算公式

H型钢不要直接查理论重量表,拆成三块板算最准:
**翼缘板(上下两块):**

=翼缘厚度*翼缘宽度*长度*7.85*2

**腹板(中间一块):**

=腹板厚度*(型钢高度-2*翼缘厚度)*长度*7.85

**注意:腹板宽度要减去上下翼缘的厚度,很多新手这里容易错。**
比如H500×300×8×12:
  • 翼缘板:12mm厚,0.3m宽
  • 腹板:8mm厚,0.476m宽(500-2×12=476mm)
▲ H型钢截面尺寸标注

三、常用型材计算公式

**圆钢/拉条:**
重量(kg) = 0.00617 × 直径² × 长度(m)

Excel: =0.00617*A2^2*B2

**无缝钢管:**

重量(kg) = 0.02466 × 壁厚 × (外径-壁厚) × 长度(m)

**等边角钢:**

重量(kg) = 0.00785 × 边厚 × (2×边宽 - 边厚) × 长度(m)

**槽钢:**
槽钢公式比较复杂,建议直接查理论重量表,用长度×理论重量就行。

四、螺栓、焊缝计算公式

**螺栓按套数算,不用算重量:**
  • 高强度螺栓:按套统计,M20约0.1kg/套
  • 普通螺栓:一般含在定额里,不用单独算
  • 地脚螺栓:按长度算,用圆钢公式
**焊缝重量(少数地区要求单独算):**

角焊缝重量(kg) = 0.00000785 × 焊脚尺寸² × 焊缝长度(mm)

(大部分地区定额已含焊缝重量,不用单独算,看当地定额)

五、防腐防火面积公式

防腐防火按面积算,别用重量估:
**H型钢表面积(每米):**
= 2×翼缘宽度 + 2×(高度-2×翼缘厚度)
(单位:米,再乘以长度就是总面积)
**钢板表面积:**

= 长×宽×2(正反两面)

**圆钢表面积:**

= 3.14×直径×长度

**注意:防腐和防火是两道工序,面积要分别算,分别套定额。**

六、损耗、汇总公式

**加损耗:**

= 净重 × (1 + 损耗率)

Excel: =SUM(重量列)*1.05

(一般损耗3%-5%,看加工工艺)
**分类汇总:**

= SUMIF(构件类型列, "钢柱", 重量列)

(用SUMIF按构件类型分类汇总)
**总重量转吨:**
= 总重量(kg) / 1000
▲ 钢结构算量汇总表格

七、算量常用Excel函数

**SUM —— 求和:**

=SUM(A2:A100)

最常用,算总重量、总数量都用这个。
**SUMIF —— 条件求和:**

=SUMIF(A:A,"钢柱",D:D)

按构件类型分类汇总,钢柱多少吨、钢梁多少吨。
**IF —— 判断:**

=IF(A2>10,"超重","正常")

做判断用,比如厚度超过多少要预警。
**VLOOKUP —— 查表:**

=VLOOKUP(规格,理论重量表,2,0)

查理论重量表用,输入规格自动带出重量。
**ROUND —— 保留小数:**

=ROUND(A2,2)

重量保留2位小数,看起来整齐。

八、几个注意事项

  1. 单位要统一 —— 厚度用mm,宽度长度用m,别混了
  2. 公式先验证 —— 拿一个已知重量的构件试试,公式对了再批量用
  3. 绝对引用 —— 常用系数(7.85、0.00617)可以固定单元格,用$符号
  4. 留备注列 —— 每个构件加个备注,说明是什么部位,方便核对
  5. 定期保存 —— 算量文件随时保存,崩了哭都来不及
▲ 造价师Excel算量工作场景

最后说几句

Excel公式不用记太多,把上面这几个常用的练熟,算量效率能提高一倍。
我平时算量,也就是这几个公式来回用,没什么复杂的。
以上就是今天的分享,希望对你有帮助。
更多钢结构造价干货,关注公众号「钢构造价小站」,菜单栏里有常用资料,自取。

🔔 下一篇预告:

《钢结构报价怎么做?从成本到报价全流程拆解》,记得关注。
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  1. CONNECT:[ UseTime:0.000456s ] mysql:host=172.18.0.4;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000535s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000331s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000332s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000669s ]
  6. SELECT * FROM `set` [ RunTime:0.000268s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000704s ]
  8. SELECT * FROM `article` WHERE `id` = 553357 LIMIT 1 [ RunTime:0.000326s ]
  9. UPDATE `article` SET `lasttime` = 1790334993 WHERE `id` = 553357 [ RunTime:0.001087s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000320s ]
  11. SELECT * FROM `article` WHERE `id` < 553357 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000379s ]
  12. SELECT * FROM `article` WHERE `id` > 553357 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000359s ]
  13. SELECT * FROM `article` WHERE `id` < 553357 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000604s ]
  14. SELECT * FROM `article` WHERE `id` < 553357 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000680s ]
  15. SELECT * FROM `article` WHERE `id` < 553357 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000610s ]
0.123454s