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By definition, clearance angle is the angle of orientation of tool’s principal flank surface from the cutting velocity vector (Vc) and measured on some other plane. Sometime, instead of using cutting velocity vector (V c ), cutting plane (π C) is used in definition as cutting plane itself contains cutting velocity vector.
Clearance or Relief Angle (γ): (a) End clearance relief angle. (b) Side clearance relief angle. Cutting Edge Angle: (a) End cutting edge angle. (b) Side cutting edge angle. (i) Back Rake Angle: It is the angle between the face of the tool and plane parallel to its base. It is also known as front rake angle or top rake angle. (ii) Side Rake Angle:
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1.1.1 This specification designates standard tolerances for concrete construction. 1.1.2 The indicated tolerances govern unless other-wise specified. Tolerances in this specification are for typical concrete construction and construction procedures and are appli-cable to exposed concrete and to architectural concrete.
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precast concrete (except tilt-up concrete), p. 117-45 5.1—Deviation from elevation—cast-in-place concrete 5.2—Deviation from location—cast-in-place concrete 5.3—Deviation from dimension—cast-in-place concrete 5.4—Deviation from plane at bearing surface—cast-in-place concrete measured over length or width of bearing surface
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Jan 24, 2007 · Material tolerances are in Section 2, including the location tolerance for reinforcing bars, which varies depending on the thickness of the concrete member. For example, for members where the concrete is 4 to 12 inches thick, the tolerance for rebar location is ±3/8 inch.
This report was prepared by the members of the ACI 349 Subcommittee on Steel Embedments to provide examples of the application of ACI 349 to the design of steel embedments. The first edition of this report, published in 1997, was based on ACI 349-97 that used the 45-degree cone breakout model for determining the concrete breakout strength. The ...
1 = 1.3 for a horizontal bar with > 300mm of concrete cast below it and k 1 = 1.0 for all other bars; k 2 = (132 – d b)/100; k 3 = 1.0 ‐0.15(c d –d b)/d b (but 0.7≤k 3 ≤1.0) c d is the smaller of the concrete cover to the bar or half the clear distance to the next parallel bar; f′
