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Steel corrugated culvert with a drop on the exhaust end, northern Vermont. Culverts can be constructed of a variety of materials including cast-in-place or precast concrete (reinforced or non-reinforced), galvanized steel, aluminum, or plastic (typically high-density polyethylene). Two or more materials may be combined to form composite ...
A precast concrete walled house under construction An example of low-quality precast concrete with exposed dowels, connectors, indications of cracks, and malformations, even during its installation, Barangay Lantic, Carmona, Cavite, Philippines Interior view of the walls, supports, and roof of a precast commercial shop in Williston, North Dakota, US.
For high pressure, flare joints are made by doubling the tube wall material over itself before the bell end is formed. The double flare avoids stretching the cut end where a single flare may crack. Before the flaring step, the end of the tube is compressed axially causing the tube wall to yield radially outward forming a bubble.
Commonly used for the prestressing of tanks, silos and pipes. [4]: 467–474 conventional reinforcement See unstressed reinforcement. coupler A rigid component, commonly constructed from cast iron, which is located at the end of a tendon and transfers the tendon force from the end of one tendon segment to another. [1]: 19 [3]: 27 cut-off
Attaching the drainage pipes to the suspended form; Filling the trench with concrete (surrounding the form base and sides) and finishing the concrete flush with the metal frame; And after drying, removing the wooden form, cleaning the pipe inverts and placing the grates in the frame. This installation method is by far the most labor-intensive.
Schematic cross section of a pressurized caisson. In geotechnical engineering, a caisson (/ ˈ k eɪ s ən,-s ɒ n /; borrowed from French caisson 'box', from Italian cassone 'large box', an augmentative of cassa) is a watertight retaining structure [1] used, for example, to work on the foundations of a bridge pier, for the construction of a concrete dam, [2] or for the repair of ships.