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The first residential building of slipform construction; erected in 1950 in Västertorp, Sweden, by AB Bygging Later picture of the residential building in Västertorp. Slip forming, continuous poured, continuously formed, or slipform construction is a construction method in which concrete is placed into a form that may be in continuous motion horizontally, or incrementally raised vertically.
Thus, a slip system in bcc requires heat to activate. Some bcc materials (e.g. α-Fe) can contain up to 48 slip systems. There are six slip planes of type {110}, each with two <111> directions (12 systems). There are 24 {123} and 12 {112} planes each with one <111> direction (36 systems, for a total of 48).
The number of independent slip systems for a given composition (primary material class) and structure (Bravais lattice). [10] [11] Bravais lattice Primary material class: # Independent slip systems Face centered cubic: Metal: 5, ceramic (covalent): 5, ceramic (ionic): 2 Body centered cubic: Metal: 5 Simple cubic: Ceramic (ionic): 3 Hexagonal
The superplastic forming technique is a technique where materials are deformed beyond the yield stress to form a complex shaped lightweight construction. This phenomenon is possible through grain boundary sliding that is enabled by dislocation slip/creep and diffusional creep.
Ready-mix concrete refers to concrete that is specifically manufactured for customers' construction projects, and supplied to the customer on site as a single product. It is a mixture of Portland or other cements, water and aggregates: sand, gravel, or crushed stone. [ 5 ]
The specific polymer admixture allows the replacement of all the traditional aggregates (gravel, sand, stone) by any mixture of solid waste materials in the grain size of 3–10 mm to form a low-compressive-strength (3–20 N/mm 2) product [103] for road and building construction. One cubic meter of waste light concrete contains 1.1–1.3 m 3 ...
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The generally-accepted solids content of a Vitreous China sanitaryware casting slip ranges between 72 and 75% by weight, which corresponds to slip densities of 1.80–1.85 g/cm 3. [ 25 ] Certain chemicals, known as deflocculants, are used to disperse agglomerates in the slip, and so decrease the viscosity and also allow a higher solids content ...