Concrete Column Cy

Reference data and engineering information about concrete column cy for building and construction applications.

concretecolumn

Overview

Engineering reference data for Concrete Column Cy in building construction.

Key Formulas

U-value

$U = \frac{1}{R_{total}}$

Overall heat transfer coefficient.

Heat Loss

$Q = U A \Delta T$

Heat transfer through building envelope.

Symbol	Description	Unit
$U$	U-value	W/(m²·K)
$A$	Area	m²
$\Delta T$	Temperature difference	K

Approximate concrete volume required per linear foot for round columns.
Column Diameter(in)	Volume per Linear Foot(cy/ft)
8	0.013
9	0.016
10	0.020
11	0.024
12	0.029
14	0.040
16	0.051
18	0.065
20	0.081
22	0.097
24	0.116
26	0.137
28	0.158
30	0.181

Approximate concrete volume required per linear foot for square columns.
Column Size(in x in)	Volume per Linear Foot(cy/ft)
12 x 12	0.037
13 x 13	0.043
14 x 14	0.050
15 x 15	0.058
16 x 16	0.066
17 x 17	0.074
18 x 18	0.083
19 x 19	0.093
20 x 20	0.103
21 x 21	0.113
22 x 22	0.124
23 x 23	0.136
24 x 24	0.148
25 x 25	0.161
26 x 26	0.174
27 x 27	0.188
28 x 28	0.202
29 x 29	0.216
30 x 30	0.231

Volume Calculation Formula

The fundamental formula for calculating the volume of concrete for a column is:

$v = \frac{0.7854 \times a^2 \times h}{27}$

Where:

$v$ = Required concrete volume (cubic yards, cy)
$a$ = Column cross-sectional area (square feet, sq. ft.)
$h$ = Column height (feet, ft)

The division by 27 converts the result from cubic feet to cubic yards (1 cy = 27 ft³). The constant 0.7854 represents $\pi/4$ , used here to simplify the calculation for the area of a circular column when working with diameter.

Concrete Column Cy

Overview

Key Formulas

U-value

Heat Loss

Variables

Volume Calculation Formula

Interactive Charts

concrete column volume

Concrete columns - estimating concrete volume

References