By R. Eligehausen, R. Mallee, J. F. Silva(auth.)
A accomplished remedy of present fastening expertise utilizing inserts (anchor channels, headed stud), anchors (metal growth anchor, undercut anchor, bonded anchor, concrete screw and plastic anchor) in addition to strength 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 additional 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 guide (ETAG 001), the ultimate Draft of the CEN Technical Specification 'Design of fastenings to be used in concrete' and the yank criteria ACI 318-05, Appendix D and ACI 349-01, Appendix B.Content:
Chapter 1 advent (pages 1–4):
Chapter 2 Fastening structures (pages 5–31):
Chapter three ideas (pages 33–64):
Chapter four Behaviour of headed studs, undercut anchors and steel enlargement 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 lower than seismic loading (pages 237–248):
Chapter eleven Behaviour of anchors in fireplace (pages 249–254):
Chapter 12 Corrosion of anchors (pages 255–258):
Chapter thirteen impression of fastenings at the capability of elements 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
43 Installation of a screw anchor (hole cleaning step not shown) 26 a) 2 Fastening systems b) c) d) Fig. 44 Typical ceiling hangers (Eligehausen, Mallée, Rehm (1997)) Fig. 45 Installation of a ceiling hanger of the type shown in Fig. 44a Only those systems which are designed expressly for hanging ceilings will be described in the following section. Some typical ceiling hangers are depicted in Fig. 44. The hanger shown in Fig. 44a consists of a stud with a nail head at one end and a cone at the other, as well as an expansion element.
The diameter of the hole is larger than with resin based injection systems. With respect to uncertainties in connection with mixing and injection the above remarks for bulk adhesives apply. The tension load transfer mechanisms associated with injection anchors is, as for capsule anchors, adhesion and micro-keying. However, as in the case of hammer-in capsules, the bond strength depends significantly on the degree to which drilling dust has been removed from the hole. Therefore, drilled holes for injection anchors should be thoroughly cleaned out using vacuum, air-jet blowing and wire brushing or other methods.
Headed stud and concrete are connected solely via the bearing surface of the head. At the surface of the concrete only the nodes in the region of the support are fixed for all degrees of freedom. 0 Relative crack length a/lc Fig. 14 Relative tension load as a function of relative crack length (Eligehausen, Sawade (1989)) Fig. 15 shows the calculated load-displacement curve. The curve measured in the test by Eligehausen, Sawade (1989) is included for comparison. Although measured and calculated 42 3 Principles N [kN] 150 Test Simulation 100 N 130 50 0 0 1 2 3 Fig.
Anchorage in Concrete Construction, First edition by R. Eligehausen, R. Mallee, J. F. Silva(auth.)