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A steel member with a cross section in the shape of an "H". |
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"V' shaped reinforcing steel used to transfer anchor bolt shear to the concrete floor mass. |
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A crane in which the bridge, hoist, or trolley is operated by the manual use of chain and gear without electric power. |
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The deepened portion of a column or rafter designed to accommodate the higher bending moments at such points. (Usually occurs at the intersection of column and rafter.) |
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A diagonal member from the intersection of the column and rafter section of the rigid frame to the eave member to prevent lateral buckling of the haunch. |
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The horizontal framing member located at the top of a framed opening. |
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Any bolt made from steel having a tensile strength in excess of 100,000 pounds per square inch. |
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Structural steel having a yield stress in excess of 36,000 pounds per square inch. |
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A column base that is designed to resist horizontal and vertical movement, but not rotation. See also Pinned Base. |
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The line formed at the intersection of two adjacent sloping planes of a roof. |
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A roof which is formed by sloping planes from all four sides. |
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A mechanical lifting device usually attached to a trolley which travels along a bridge, monorail or jib crane. May be chain or electric operated. |
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Wheels mounted near the ends of end trucks which roll on the side of the rail to restrict lateral movement of the crane. |
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Steel sections (angles, channels, S-shapes, W-shapes, etc.) which are formed by rolling mills while the steel is in a semi-molten state. |
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