The encyclopdia britannica; a dictionary of arts, sciences, literature and general information . t the^ outer side of thecontinuous concrete-in-mass capping was raisedabout 22 ft. above low water (fig. 11). The rise ofspring tides at Marmagao is 6 ft. At Colombo the superstructures of both thesouth-west and north-west breakwaters were builton the sloping-block system in sections 5j ft. thick,and built at an angle of 68° shorewards (fig. 10);and the blocks, from 16J to 31 tons in weight, werelaid in bonded courses across each section, with fourtiers of blocks in the south-west breakwater founde
The encyclopdia britannica; a dictionary of arts, sciences, literature and general information . t the^ outer side of thecontinuous concrete-in-mass capping was raisedabout 22 ft. above low water (fig. 11). The rise ofspring tides at Marmagao is 6 ft. At Colombo the superstructures of both thesouth-west and north-west breakwaters were builton the sloping-block system in sections 5j ft. thick,and built at an angle of 68° shorewards (fig. 10);and the blocks, from 16J to 31 tons in weight, werelaid in bonded courses across each section, with fourtiers of blocks in the south-west breakwater founded20 ft. below low water on the rubble mound, and sixtiers of blocks in the north-west breakwater, founded30| ft. below low water. Five oblong grooves, moreover, wereformed in moulding the blocks, in the adjacent faces of each slopingsection, extending from top to bottom of the sections. These, whensettlement on the mound had ceased, were filled with concrete inbags, which not only connected the tiers of blocks in each sectiontogether, but also joined the several sections to one another, and. RUBBLE MOU SCALE eoo. Fig. 10.—Colombo North-West Break-water with Titan Crane.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectencyclo, bookyear1910
