Civil Engineering Reference
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Fig. 16.15 Cracks on Tianshan cement section which employed admixture
1. Experimental section
finished on July 5
(a) Tianshan cement section which employed admixture
(i) Napped section
The
first slab: 11 cracks; the overall length was 72 cm.
The second slab: 4 cracks; the overall length was 15 cm.
The third slab: 1 crack; the overall length was 4 cm.
The fourth slab: 3 cracks; the overall length was 3 cm.
The
fifth slab: No crack.
The sixth slab: 3 cracks; the overall length was 12 cm.
Figure
16.15
shows photographs of the
first and third slabs.
(ii) Troweling machine utilization section
There was no crack, but individual slab had sand hole.
Twenty-two cracks were found in Tianshan cement section which employed
admixture, and their total length was 134 cm.
(b) Duolang cement section which employed admixture
(i) Napped section
The
first slab: 23 cracks; the overall length was 29 cm.
The second slab: 35 cracks; the overall length was 42 cm.
The third slab: 1 crack; the overall length was 4 cm.
The fourth slab: 2 cracks; the overall length was 5 cm.
The
fifth slab: 4 crack; the overall length was 7 cm.
The sixth slab: 51 cracks; the overall length was 224 cm.
Figure
16.16
shows photographs of the
first and sixth slabs.
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