Steel embedments are utilized to transmit load from equipment, piping systems, cable trays, and similar apparatuses into reinforced concrete structures. The types of embedments or anchors may be postinstalled--such as expansion shell, wedge, undercut, and

Present nuclear power plant design methods require that Seismic Category I pipe supports consider plate flexibility in determining the loading of expansion anchor bolts. Base plate flexibility has been determined to cause significant unequal loading when

The behavior of metallic expansion anchors under monotonic loading is described on the basis of a large number of available test results. Expansion anchors loaded in tension will often fail in a rather brittle manner by pulling out a concrete cone. The co

Twenty-three 1-3/4 in. diameter and 1 in. diameter anchor bolts were tested in an investigation of the effects of clear cover, bolt diameter, embedment length, and bearing area of the anchorage device on the strength and behavior of anchor bolt installations. Failure modes are identified, and the load carrying mechanism of an anchor bolt is described. The data were combined with the results from earlier studies and analyzed using a multiple stepwise regression procedure. A simple equation for the ultimate load of a single anchor bolt loaded in tension is presented.

The paper presents the results of laboratory and field dowel pullout tests and shear transfer tests. These tests were conducted to evaluate the pullout performance of dowels and the influence of dowel spacing on the load-carrying capacity of the replaceme