Masonry Magazine June 1989 Page. 11
2nd Day (10/28/87):
Walls consisting of 24 long heavyweight units
3rd Day (10/29/87):
Walls consisting of 24" lightweight units
4th Day (10/30/87):
Walls consisting of 16" lightweight units
The walls constructed of 16" long units were laid up according to the schedule listed in Table 6.0-1.
TABLE 6.0-1
Construction Sequence:
Walls Constructed of 16" Long
Concrete Masonry Units
| Course No. | Unit Size | Line Placement Inside | Outside |
|---|---|---|---|
| 1 | 12×8×16 | X | |
| 2 | 6×8×16 | X | |
| | 6×8×16 | | X |
| | 10 Minute Break | | |
| 3 | 8×8×16 | X | |
| | 4×8×16 | | X |
| 4 | 12×8×16 | | X |
| | 40 Minute Lunch Break | | |
| 5 | 4×8×16 | X | |
| | 8×8×16 | | X |
| 6 | 12×8×16 | | X |
Unit Weight Of Concrete Varies (126.6-133.8 pcf)
Length Of Timed Course 28-0%"
Number Of Units Per Course 21
Area Of Exposed Wall 18.78 Sq. Ft.
Surface, Each Wythe
TABLE 6.0-2
Construction Sequence:
Walls Constructed of 24" Long
Concrete Masonry Units
| Course No. | Unit Size | Line Placement Inside | Outside |
|---|---|---|---|
| 1 | 8x8x24 | X | |
| 2 | 4x8x24 | X | |
| | 4×8×24 | | X |
| | 10 Minute Break | | |
| 3 | 8×8×24 | | X |
| | 4×8×24 | X | |
| 4 | 4×8×24 | X | |
| 5 | 8x8x24 | X | |
| 6 | 8×8×24 | | X |
| | 40 Minute Lunch Break | | |
| 6A | 8×8×24 | | X |
Unit Weight Of Concrete Varies (126.6-133.8 pcf)
Length Of Time Course 28-0%"
Number Of Units Per Course 21
Area Of Exposed Wall 18.78 Sq. Ft.
Surface, Each Wythe
A 10 minute break was provided at the completion of the 2nd course and a 40 minute lunch break upon completion of the 4th course. The walls constructed of 24" long units were laid up according to the schedule listed in Table 6.0-2. A 10 minute break was provided at the completion of the 2nd course and a 40 minute lunch break upon completion of the 6th course. The 6th course of the walls constructed of 24" long units was removed during the lunch break and repeated using two masons. This course, designated 6A, was also timed. Block were placed at the ends of each course to position the lines for laying (trigs were used) and provide a course for the please turn page
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MASONRY-MAY/JUNE, 1989 11