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Precast concrete is a construction product produced by casting concrete in a reusable mold or "form" which is then cured in a controlled environment, transported to the construction site and maneuvered into place; examples include precast beams, and wall panels, floors, roofs, and piles.
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 structures. For example, open-bottom corrugated steel structures are often built ...
Spancrete is an American manufacturer of precast concrete products and machinery. Spancrete produces precast, prestressed concrete products that are used in commercial, industrial, institutional, residential and multifamily construction projects in the Midwest and Southeast.
Precast concrete barrel sections before installation. The chamber section can be built in various materials. In the 19th century, manholes in the United States were built with bricks and mortar or stone. In the mid-20th century, precast concrete was introduced. In the late-20th century cast-in-place concrete was used.
A package pumping station is an integrated system, built in a housing manufactured from strong, impact-resistant materials such as precast concrete, polyethylene, or glass-reinforced plastic. The unit is supplied with internal pipework fitted, pre-assembled ready for installation into the ground, after which the submersible pumps and control ...
In culvert homes ("Cut and Cover"), precast concrete containers and large diameter pipes are arranged into a connecting design to form a living space and then backfilled with earth. [5] An experimental construction design from the 1980s of Japan, coined ' Alice City ', proposed to use a wide and deep cylindrical shaft sunk into the earth, with ...
The anchor selection, together with additional reinforcement, and rigging arrangements is influenced by: - The dead weight of the element - The number of anchors in the element and the configuration of the anchor - Capacity of the anchor at the specific concrete compressive strengths at time of lift - The dynamic loads applied during lifting ...
Panel khrushchevka in Tomsk. Khrushchevkas (Russian: хрущёвка, romanized: khrushchyovka, IPA: [xrʊˈɕːɵfkə]) are a type of low-cost, concrete-paneled or brick three- to five-storied apartment buildings (and apartments in these buildings) which were designed and constructed in the Soviet Union since the early 1960s (when their namesake, Nikita Khrushchev, was leader of the Soviet ...