Prof. Ing. Carlo Andrea Castiglioni Seismic Behaviour of Steel ...

Seismic behaviour of steel storage pallet racking systems VIX1.6.1.7 Testing of Merchandise.................................................................... 591.6.2 Review of analytical and numerical researches....................................... 591.6.2.1 Linear Modelling of Storage Rack Systems..................................... 601.6.2.2 Nonlinear Modelling of Storage Rack systems. ............................... 611.6.3 Research needs........................................................................................ 611.6.3.1 Experimental Research Needs.......................................................... 621.6.3.2 Analytical Research Needs............................................................... 631.7 Scope and aim of the research........................................................................ 631.8 References...................................................................................................... 69CHAPTER 2 COMPONENT TESTS...................................................................... 752.1 Overview........................................................................................................ 752.2 Beam-to-upright connections ......................................................................... 762.2.1 Monotonic tests ....................................................................................... 822.2.1.1 Beam 70x45x1.5 .............................................................................. 822.2.1.2 Beam 130x45x1.5 ............................................................................ 852.2.2 Cyclic tests .............................................................................................. 882.2.2.1 Cyclic loading history ...................................................................... 882.2.2.1.1 Innovative cyclic testing procedure........................................................... 892.2.2.1.2 Comparison between testing procedures................................................... 912.2.2.2 Beam 70x45x1.5 .............................................................................. 932.2.2.3 Beam 130x45x1.5 ............................................................................ 972.2.3 Comparison and analysis of test results ................................................ 1002.2.3.1 Monotonic tests .............................................................................. 1002.2.3.2 Cyclic Tests.................................................................................... 1052.2.4 Conclusions........................................................................................... 1102.3 Column base connections............................................................................. 1112.3.1 Monotonic tests ..................................................................................... 1172.3.1.1 Cross-aisle...................................................................................... 1172.3.1.1.1 Bolts in tension........................................................................................ 1172.3.1.1.2 Bolts in the compression zone................................................................. 1212.3.1.2 Down-aisle ..................................................................................... 1242.3.2 Cyclic tests ............................................................................................ 1282.3.2.1 Cross-aisle...................................................................................... 1282.3.2.2 Down-aisle ..................................................................................... 1312.3.3 Comparison and analysis of test results ................................................ 1332.3.3.1 Monotonic tests .............................................................................. 1332.3.3.2 Cyclic tests ..................................................................................... 1442.3.4 Conclusions........................................................................................... 1562.4 References.................................................................................................... 157CHAPTER 3 PALLET SLIDING.......................................................................... 1633.1 Overview...................................................................................................... 1633.1.1 Friction models ..................................................................................... 1633.1.2 Numerical models for sliding of pallets ................................................ 1683.1.3 Aims and scopes of the investigation .................................................... 1733.2 Assessment of the static friction factor ........................................................ 1743.2.1 Overview............................................................................................... 1743.2.2 Friction in cross-aisle direction ............................................................. 178