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The joining technology is used in any type of mechanical joint which is the arrangement formed by two or more elements: typically, two physical parts and a joining element. The mechanical joining systems make possible to form a set of several pieces using the individual parts and the corresponding joining elements.
A expansion joint, or movement joint, is an assembly designed to hold parts together while safely absorbing temperature-induced expansion and contraction of building materials. They are commonly found between sections of buildings , bridges , sidewalks , railway tracks , piping systems , ships , and other structures.
When two such edges are brought together and clamped, the sprung edges create greater tension at the ends of the join, which assists in creating a seamless joint. When using a hand plane to perform this operation, two boards are often clamped face to face in the vice and both jointed at once, creating two edges that are mirror images of one ...
Aluminium alloys are often used due to their high strength-to-weight ratio, corrosion resistance, low cost, high thermal and electrical conductivity.There are a variety of techniques to join aluminium including mechanical fasteners, welding, adhesive bonding, brazing, soldering and friction stir welding (FSW), etc. Various techniques are used based on the cost and strength required for the joint.
The two equations that give a maximum axial force are F=σ/sin(α)^2 and F=σ/sin(2α), where α is the angle from the horizontal to the joint. Both should be evaluated for a given problem, and the smaller F of the two is the magnitude of the maximum allowable axial force. The first equation accounts for failure in tension.
Since the 1950s there have been several attempts to develop theories for arching action in both one and two-way slabs. [5] [6] [7] One of the principal approaches to membrane action was that due to Park [8] which has been used as a basis for many studies into arching action in slabs. Park's approach was based on rigid plastic slab strip theory ...
T-spline — can be thought of as a NURBS surface for which a row of control points is allowed to terminate; Kochanek–Bartels spline; Coons patch — type of manifold parametrization used to smoothly join other surfaces together; M-spline — a non-negative spline; I-spline — a monotone spline, defined in terms of M-splines
Another option when there are multiple matches is to use some criterion to select one of the rows from the matching set, usually a spatial optimization criterion. [2] [8] For example, one could join the school building points (not the districts) to the student residents points by selecting the school that is nearest to each student. Not all ...
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