back to Homepage/Index...


Overview

4v rebar courses
4v opening dimensions


Sheet 1: 4v rebar courses


Horizontal
Diagonal
Diagonal
Vertical Inside radius 1.00000 ft .30480 m


Course 1
Course 2
Course 3
Course 4 Course 1 & 4 wire/rebar diameter .08081 in .00205 m

R= .30788 R= .3058 R= .3038 R= .3017 Course 2 & 3 wire/rebar diameter .08081 in .00205 m









Concrete thickness .00000 in .00000 m

# Lengths # Lengths # Lengths # Lengths Total rebar thickness .32323 in .00821 m

3 .09123 b4 .0508 b4 .0508 tp1 .0752 Outside cover (min) -.16162 in -.00411 m

5 .09672 4 .1412 4 .1406 2 .1656 Inside cover (min) -.16162 in -.00411 m

5 .19345 3 .2318 3 .2306 2 .2560 Rebar centerline radius 1.00000 ft .30480 m

4 .09101 4 .3222 4 .3204 1 .3326 Minimum rebar overlap 3.23232 in .08210 m

6 .19149 6 .4220 6 .4196 oe1 .3951 Rebar overlap length 2.00000 in .05080 m

4 .28250 4 .5124 4 .5093 o1 .4459 Rebar base extension 2.00000 in .05080 m

o1 .05080 o4 .5632 o4 .5601 4 courses Course 1-4 overlap “spacers” 1.00000 in .02540 m

oe1 .11450 b5 .0508 b5 .0508

Course 1-1 min rebar-vertex .12435 in .00316 m

1 .19266 5 .1469 5 .1462 o1 .0508 Course 4-4 min rebar-vertex .05561 in .00141 m

2 .28494 5 .2430 5 .2417 oe1 .1132





Sub
2 .37721 5 .3390 5 .3371 1 .1898 Net rebar needed for dome Course 0 Course 1 Course 2 Course 3 Course 4 totals
lp1 .45221 5 .4351 5 .4325 2 .2803 Course radius in meters .30891 .30788 .30583 .30377 .30172 in meters
3 .09123 o5 .4859 o5 .4833 2 .3707 Dome courses rebar length
8.90009 8.82887 8.78326 2.22933 28.85619
4 .18224 b6 .0508 b6 .0508 1 .4473 Course 1-3 overlap, # of & length
15 .05080

.76200
6 .28272 6 .1506 6 .1499 oe1 .5097 Total rebar overlap length
.25400 1.01600 1.01600 .25400 2.54000
4 .37373 4 .2410 4 .2397 o1 .5605 Total overlap extension
.31851 .31639 .31426 .31214 1.26130
5 .09672 3 .3316 3 .3298 1st course Total rebar base extension

1.01600 1.01600
2.03200
5 .19345 o3 .3824 o3 .3806








5 .29017 b2 .0508 b2 .0508

Top pentagon 5-way overlap Course 0 Course 1 Course 2 Course 3 Course 4
5 .38689 2 .1425 2 .1418

Overlap extension length/course .06391 .06370 .06328 .06285 .06243


1 .2201 1 .2190

Course 4: 2 overlaps + extension .16551
.16488 .16445
.32933


oe1 .2834 oe1 .2818

Course 4: overlap + extension .11471 .11450





o1 .3342 o1 .3326

Course 4 overlap, # of & length .05080 6


.30480








Course 1-4 spacers, # of & length .02540 4


.10160









mark- .04562


























5 mid-pentagons 2-way overlap Course 0
Course 2










Course 0: 2 overlaps + extension .16551 5 .04531 -mark
.82757























10 lower hexagons 2-way overlap













Course 1 overlap, # of & length .05080 20


1.01600













NET 32.19750













TOTAL Meters








4V GEODESIC



REBAR 105.63483








REBAR DOME



NEEDED Feet








MARKED ARC













SEGMENTS













in meters






Sheet 2: 4v opening dimensions

Inside radius 1.00000 ft .30480 m

Hemisphere area 6.28319 ft^2 .58373 m^2

Circumference 6.28319 ft 1.91511 m

1st floor area 3.14159 ft^2 .29186 m^2

1st floor ceiling 7.00000 ft 2.13360 m

Ceiling thickness .50000 ft .15240 m

2nd floor ground 7.50000 ft 2.28600 m

2nd max height -6.50000 ft -1.98120 m

2nd floor area -173.57299 ft^2 -16.12546 m^2

2nd floor headroom 6.00000 ft 1.82880 m

2nd floor area -569.41367 ft^2 -52.90026 m^2








* All opening dimensions are in feet





1st floor openings Height Width 1st floor windows Height Width
Wide entryway floor .00000 .88573 Hexagon Δ knee .27639 .32492
Wide entryway top .50230 .59048 Hexagon Δ top .52573 .00000
Wide entryway knee .25115 .88573 Height/width of window .24934 .32492







Medium entryway floor .00000 .61803 Pentagon Δ knee .25115 .29524
Medium entryway top .50230 .59048 Pentagon Δ top .44721 .00000



Height/width of window .19607 .29524
Narrow entryway floor .00000 .32492



Narrow entryway top .51284 .32492 2nd floor windows Height Width



Hexagon Δ shoulder -6.77639 .32492
Hexagon Δ door floor .00000 .32492 Hexagon Δ top -6.68009 .16465
Hexagon Δ door top .52573 .00000 Height/width of window .09630 .32492
Hexagon Δ door knee wall .27639 .32492






Frequency level from ground
Pentagon Δ door floor .00000 .29524 Level 6 .14762 .96795 4v(1,0)
Pentagon Δ door top .44721 .00000 Level 5 .00000 .89443 4v(2,1)
Pentagon Δ door knee wall .25115 .29524 Level 5 .30902 .85065 4v(2,0)



Level 4.5 .08232 .81991 8v(5,2)
2nd floor openings Height Width Level 4 .16246 .72361 4v(3,1)
Hexagon door & window floor -6.98716 .32492 Level 4 .44286 .65751 4v(3,0)
Hexagon door & window top -6.68009 .16465 2nd floor/Level 3 .00000 .52573 4v(4,2)
Hexagon door & window shoulder -6.77639 .32492 2nd floor/Level 3 .16246 .51284 4v(3,1)p



2nd floor/Level 3 .29524 .50230 4v(4,1)



2nd floor/Level 3 .52573 .44721 4v(4,0)



Level 2 .16246 .27639 4v(5,2)



Level 2 .44286 .25115 4v(5,1)



1st/ground level .46192 .00000 4v(5,1)p



1st/ground level .30902 .00000 4v(6,2)



1st/ground level .16246 .00000 4v(5,2)p




y-width z-height Vertex




x radius x radius

back to top of page...