reinforcing means
31tunnels and underground excavations — ▪ engineering Introduction Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening …
32Tire — This article is about tires used on road vehicles, including pneumatic tires and solid tires. For railroad tires, see railway tires. For other uses, see tire (disambiguation) or tyre.Tires, or tyres (in American and British English, respectively) …
33Causal loop diagram — A causal loop diagram(CLD) is a diagram that aids in visualizing how interrelated variables affect one another. The diagram consists of a set of nodes representing the variables connected together. The relationships between these variables,… …
34Bridge maintenance — Maintenance of today s bridge infrastructure presents many unique challenges. Transportation engineering and maintenance personnel must maintain around the clock service to millions of people each year while maintaining millions of cubic meters… …
35B. F. Skinner — Burrhus Frederic Skinner Born March 20, 1904(1904 03 20) Susquehanna, Pennsyl …
36Cathode ray tube — Cutaway rendering of a color CRT: 1. Three Electron guns (for red, green, and blue phosphor dots) 2. Electron beams 3. Focusing coils 4. Deflection coils 5. Anode connection 6. Mask for separating beams for red,… …
37Tyrannosaurus — T. rex redirects here. For other uses, see T. rex (disambiguation). Bilateria Tyrannosaurus rex Temporal range: Late Cretaceous, 67–65.5 Ma …
38Death of Ayrton Senna — The death of three time Formula One World Champion Ayrton Senna on May 1, 1994, occurred as a result of his car crashing into a concrete barrier while he was leading the 1994 San Marino Grand Prix at the Autodromo Enzo e Dino Ferrari in Italy.… …
39Mines of Paris — Flooded gallery under Rue de la Voie Verte The Mines of Paris (in French Carrières de Paris quarries of Paris ) comprise a number of abandoned, subterranean mines under Paris, France, connected together by galleries. Three main networks exist;… …
40Protection of exposed concrete — is necessary to prolong its service life. A 120 year design life for concrete infrastructure has become increasingly common. Without early preventive maintenance this design life target may be optimistic. The design service life of reinforced… …
