Training walls

Gumensky, D.B. (1949). Air entrained in fast flowing water affects design of training walls and stilling basins. Civil Engineering 19(12) 831-833 19(12) 889. 

Channel regulation can be brought about by training walls or dams that are used to deflect a river into a more desirable alignment or to confine it to lesser widths. Walls and dams can be used to close secondary channels and thus divert or concentrate a river into a preferred course. In some cases, ground sills or weirs need to be constructed to prevent undesirable deepening of the bed by erosion. Bank revetment by pavement, rip-rap or protective... 

Figure 20.8 Marine engineering applications of geotextile tubes, (a) Revetments — exposed and submerged, (b) offshore breakwaters, (c) protection dykes, (d) containment dykes, (e) training walls and (f) groins.

Each year, Americans report over three million fires leading to 29,000 injuries and 4,500 deaths (1). The direct property losses exceed 8 biUion (1) and the total annual cost to our society has been estimated at over 100 biUion (2). Personal losses occur mosdy in residences where furniture, wall coverings, and clothes are frequently the fuel. Large financial losses occur in commercial stmctures such as office buildings and warehouses. Fires also occur in airplanes, buses, and trains. 

In addition to its internal blood flow operation, the heart has its own system of blood vessels to keep the muscle wall of the heart, the myocardium, supphed with oxygenated blood (Fig. 3a). The coronary arteries, which branch from the aorta to the right and left sides of the heart, are vital to maintaining that supply. The heart is an extraordinary electromechanical muscle that can be trained to increase blood flow to the body sixfold. It can range from 5 to 30 L /min during exertion. 

Materials that have a tendency to grow r eadily on the walls of the ciytaUizer require periodic washout, and therefore an other wise continuous operation would be interrupted once or even twice a week for the removal of these deposits. The impact that this contingency may have on the processing-equipment train ahead of the crystalhzer must be considered. 

Fig. 2.4.7 Profile of a PE gasoline tank wall. T-, and T2 were measured across the sample, and uniform values of about 90 ms and 300 ps, respectively, were obtained, except for EVOH where T2 drops to 30 [is. The profile amplitude is the coefficient at zero frequency of the FT of the signal obtained as the direct addition of the first 8 echoes generated with a solid-echo train.

Structural and interior components for aeronautic, automotive and railway equipment floors, radomes, bodies of buses and coaches (Neoplan), front-end components, drivers cabs, partition walls, luggage racks in high-speed trains. 

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