. Construction materials for coastal structures. Coastal engineering; Building materials. Figure 22. Tremies in place before pouring, (3) Pumping. Pumped concrete may be defined as concrete conveyed by pressures through either rigid pipe or flexible hose and discharged directly into the desired area (Fig. 23). Pumping may be used for most concrete construction, but is especially useful where space or access of construction equipment is limited. Most concrete transported to the placement areas by pumping methods is pumped through a rigid pipe or a combination of rigid pipe and heavy-duty flexib
. Construction materials for coastal structures. Coastal engineering; Building materials. Figure 22. Tremies in place before pouring, (3) Pumping. Pumped concrete may be defined as concrete conveyed by pressures through either rigid pipe or flexible hose and discharged directly into the desired area (Fig. 23). Pumping may be used for most concrete construction, but is especially useful where space or access of construction equipment is limited. Most concrete transported to the placement areas by pumping methods is pumped through a rigid pipe or a combination of rigid pipe and heavy-duty flexible hose. Effective pumping range will vary from 90 to 305 meters (300 to 1 000 feet) horizontally or 30 to 90 meters vertically. 143. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Moffatt & Nichol, Engineers; Coastal Engineering Research Center (U. S. ). Fort Belvoir, Va. : The Center
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