subject: "Foundation Anchorage" [print this page] Author: PaulPeshkov Author: PaulPeshkov
"Foundation Anchorage" Details and Base Shear Capacity for Log Buildings Today, log structures serve both residential and commercial occupants as an alternative to conventional light-frame wood structures because they are more sophisticated in design, "Foundation Anchorage" than before. They are constructed using round logs stacked one by one vertically and interlocked with corners. Lag screw and thru-rods are also used for load path continuity. ..."Foundation Anchorage" is an important component in the seismic performance of both log structure and light-frame ones. Of course, lag building require different anchorage due to their building mass. So, proper "Foundation Anchorage" should not be lightly taken. Exterior Beam-Column Joints When it comes to beam-column jointing for the "Foundation Anchorage", hooked bar anchors are widely used for longitudinal beam flexural reinforcing bars. It is also recommended that hook bars should bent into the joint with the hook embedded as far as possible from the critical area. Although hook bar anchors are used for beam-column connections, headed bars can be used to ease this congestion problem within the beam-column joint that is caused by steel congestion in an exterior or corner beam-column joint. The fabrication of headed bars is done by attaching a forged head, or anchor plate, to the reinforcing bars to provide a mechanical anchorage by head bearing. Recently, based on research and test, extension to the ACI 352R-0210 was made to include multiple layers of diameter bars with closely-spaced heads. The reason for such addition was because beam-column joist with larger diameter bars and small head ratio connect the members better. Eccentric beams are commonly used at edge or corner of the building frame, but they tend to have lower joint shear strength than similar concentric connections. When the adding slabs and transverse beam framing into to a join, it can reduce the effect of eccentric beams on edge beam-column-slab connections. It must be noted that in earthquake-type loading, corner beam and column joint are more vulnerable to deterioration than edge or interior joints. This is to the fact that lack of slabs and beams confined on two opposite faces... ### "Foundation Anchorage" Paul Peshkov is a distributor, business developer, and a general contractor. As a favorite hobby, Mr. Peshkov is extensively involved in studying Alternative Medicine. He enjoys helping people reach their full potential in life. For more info on his latest developments visit http://www.PaulPeshkov.comAbout the Author:
"Foundation Anchorage" Paul Peshkov is a distributor, business developer, and a general contractor. As a favorite hobby, Mr. Peshkov is extensively involved in studying Alternative Medicine. He enjoys helping people reach their full potential in life. For more info on his latest developments visit http://www.PaulPeshkov.com
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