By R. Eligehausen, R. Mallee, J. F. Silva(auth.)
A finished remedy of present fastening expertise utilizing inserts (anchor channels, headed stud), anchors (metal enlargement anchor, undercut anchor, bonded anchor, concrete screw and plastic anchor) in addition to energy actuated fasteners in concrete. It describes intimately the fastening parts in addition to their results and load-bearing capacities in cracked and non-cracked concrete. It extra specializes in corrosion behaviour, hearth resistance and features with earthquakes and shocks. It finishes off with the layout of fastenings based on the eu Technical Approval instruction (ETAG 001), the ultimate Draft of the CEN Technical Specification 'Design of fastenings to be used in concrete' and the yankee criteria ACI 318-05, Appendix D and ACI 349-01, Appendix B.Content:
Chapter 1 creation (pages 1–4):
Chapter 2 Fastening structures (pages 5–31):
Chapter three rules (pages 33–64):
Chapter four Behaviour of headed studs, undercut anchors and steel growth anchors in non?cracked and cracked concrete (pages 65–162):
Chapter five Behaviour of cast?in anchor channels in non?cracked and cracked concrete (pages 163–179):
Chapter 6 Behaviour of bonded anchors in non?cracked and cracked concrete (pages 181–210):
Chapter 7 Behaviour of plastic anchors in non?cracked and cracked concrete (pages 211–222):
Chapter eight Behaviour of energy actuated fasteners in non?cracked and cracked concrete (pages 223–226):
Chapter nine Behaviour of screw anchors in non?cracked and cracked concrete (pages 227–235):
Chapter 10 Behaviour of anchors less than seismic loading (pages 237–248):
Chapter eleven Behaviour of anchors in hearth (pages 249–254):
Chapter 12 Corrosion of anchors (pages 255–258):
Chapter thirteen impact of fastenings at the potential of parts during which they're put in (pages 259–263):
Chapter 14 layout of fastenings (pages 265–342):
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Extra info for Anchorage in Concrete Construction, First edition
48 Installation of a ceiling hanger of the type shown in Fig. 44d over the conical plug, whereby the plug bears against the base of the drilled hole (Fig. 48). Correct installation is verified by the final position of the anchor relative to the concrete surface. Consequently, proper expansion depends on maintaining the prescribed hole depth. This is assured by using a stop-drill bit. special screws (supplied together with the plastic sleeve) in order to assure the necessary thread reach and adequate contact pressure between the anchor sleeve and the sides of the hole.
To confirm that the undercut has been correctly formed, the undercutting tool scribes a mark on the surface of the concrete. The anchor should be loaded only after the check for this mark has been made. The anchors illustrated in Fig. 39a and b are designed for use with adhesive capsules and they are installed with rotary and percussive drill action (Fig. 40). The system in Fig. 39b is also designed for use with a cartridge injection adhesive. The system in Fig. 39c is only used for injection. With injection systems the multi-cone anchor rod is installed by simply pushing it into the adhesive-filled hole (Fig.
1 provides a characteristic representation of concrete cone failure associated with an undercut anchor loaded in tension, while Fig. 2 shows the concrete failure associated with a near-edge anchor loaded in shear toward the free edge. To understand these failure modes better, an understanding of the behaviour of concrete in tension and the concrete fracture process is required. 3. Both the load-displacement behaviour and ultimate capacity of an anchor in concrete depend greatly on whether the concrete in the vicinity of the anchor is cracked or non-cracked.