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COHESIVE SEDIMENT EROSION: NEW FIELD DATA ON TOTAL EROSION, RE-SUSPENSION AND BED LOAD
(Preview)
 INTRODUCTION
Quantification of cohesive sediment transport is of fundamental importance in many engineering and ecological applications such as the quantification of yield of sediments from watersheds, reactivation of contaminated mud from industrial and other effluents, tra...
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2192
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Effect of Upward Seepage on Scour and Flow Downstream of an Apron due to Submerged Jets
(Preview)
Introduction
The topic of scour downstream of an apron due to a submerged jet issuing from a sluice opening has been well explored due to its practical applicability in the context of the stability of hydraulic structures (Chatterjee and Ghosh 1980; Hassan and Narayanan 1985; Chatterjee et al. 1...
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1475
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Scour of River Bed
(Preview)
Scour of River Bed
Scouring of riverbed is caused by natural phenomena as well as by imposed structure like bridge piers. Scouring due to natural reasons is called general scour and takes place on large space-time scales. The principal reason for general scour in large river systems is geomorpho...
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1360
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Effect of Superstructure Submergence
(Preview)
Effect of Superstructure Submergence
Scour at submerged bridge is shown in Figure 6.43. Submergence of the superstructure leads to an increase in scour at the bridge foundations compared to that at an unsubmerged bridge. Some guidance is available for estimation of scour depths at submerged b...
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1410
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Characteristics of Turbulent Flow in Submerged Jumps on Rough Beds
(Preview)
Introduction
Free and submerged jumps are important phenomena in open channel flow because of their applications in energy dissipation downstream of hydraulic structures, such as spillway, barrage and weir. Because of their various engineering applications, jumps have been the focus of...
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1684
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FRP Modular Toilet Units
(Preview)
FRP Modular Toilet Units
In order to cater to 500 nos. shelters as described above, it has been planned to construct 128 nos. community toilet units (separately for gents & ladies) made of FRP. A typical toilet unit would measure 1200 mm x 1200 mm x 1945 mm – the FRP panels would be used for roof & side...
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1573
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Composite Doors & Door Frames
(Preview)
Composite Doors & Door Frames
The RV-TIFAC Composite Design Centre (RV-TIFAC CDC) set up by the Advanced Composites Mission in Bangalore has successfully developed more than 180 composite products with potential applications in housing and construction sectors. The Centre has developed...
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1340
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Rice-Husk Particle Boards with Bamboo Mat Veneer
(Preview)
Rice-Husk Particle Boards with Bamboo Mat Veneer
250 nos. temporary shelters (20 ft x 12 ft x 8 ft high) are being built using rice-husk particle boards with bamboo mat veneer. These boards have been developed by M/s Padmavathy Panel Boards Ltd., Bangalore with the technology licensed by Natio...
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1627
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Low-Cost Semi-Permanent Shelters
(Preview)
Low-Cost Semi-Permanent Shelters
Construction Methodology
Composite materials such as jute-coir composite boards, rice husk particle boards with bamboo mat veneer etc. fixed on MS angles (ISA 40X40X6) & channels (ISMC 75X40) and erected quite quickly @ 8-10 houses per day are an effectiv...
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1273
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Gujarat Earthquake - Composite Materials towards Re-building & Rehabilitation
(Preview)
Gujarat Earthquake - Composite Materials towards Re-building & Rehabilitation
In the wake of disastrous damages caused by the earthquake in Gujarat, the Advanced Composites Mission of TIFAC/Department of Science & Technology (Govt. of India) has planned to construct 500 nos. low-cost sh...
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