EXAMPLE 7. VALUATION OF A BUILDING FROM LOAD-BEARING MASONRY

EXAMPLE 7: 'VALUATION OF A MASONRY BUILDING' 2 CONTENTS CONTENTS ................................................................................................................................................................ 2 FOREWORD .............................................................................................................................................................. 4 INTRODUCTION ........................................................................................................................................................ 4 THE NEW ENVIRONMENT ........................................................................................................................................ 4 1. GENERAL DESCRIPTION .................................................................................................................................. 6 GEOMETRY .............................................................................................................................................................................. 6 MATERIALS .............................................................................................................................................................................. 6 REGULATIONS ......................................................................................................................................................................... 6 LOADING ASSUMPTIONS - ANALYSIS ASSUMPTIONS ................................................................................................................ 6 O BSERVATIONS ....................................................................................................................................................................... 7 2. DATA IMPORT - MODELLING .......................................................................................................................... 8 2.1 M ODELLING OF AN EXISTING LOAD - BEARING MASONRY STRUCTURE ...................................................................................... 8 2.2. M ASONRY LIBRARY FOR WALL DEFINITION ............................................................................................................................. 9 2.3. V ECTORMODELLING ............................................................................................................................................................. 14 2.3.1 I MPORT DWG FILE AND LINE RECOGNITION .......................................................................................................................... 14 2.3.2 A UTOMATIC F ACE R ECOGNITION ......................................................................................................................................... 16 2.4. D ETERMINATION OF GRID GROUPS ....................................................................................................................................... 20 2.4.1 D ETERMINATION OF SUBGROUPS OF GRIDS .......................................................................................................................... 22 2.4.2 P LATE MODELLING WITH DEFINITION OF NEW SUB - PATTERNS .............................................................................................. 24 2.5 G RID CALCULATION .............................................................................................................................................................. 26 2.6 M ATHEMATICAL MODEL CALCULATION ................................................................................................................................. 27 2.7 I NTERLAYER M ASONRY ......................................................................................................................................................... 30 3. IMPORTATION OF GOODS ........................................................................................................................... 34 3.1 M ANUAL LOAD INSERTION ................................................................................................................................................... 34 3.2 A UTOMATIC LOAD DISTRIBUTION ......................................................................................................................................... 35 4. ANALYSIS ...................................................................................................................................................... 36 4.1 C ARRIER ANALYSIS OF LOAD - BEARING MASONRY IN ACCORDANCE WITH THE EUROCODE ..................................................... 36 5. RESULTS ........................................................................................................................................................ 40 5.1 D ISPLAY OF CARRIER DEFORMATIONS WITH SURFACE ELEMENTS .......................................................................................... 40 5.2 C HECKING THE LOAD - BEARING MASONRY ACCORDING TO THE CRITERION OF THE CLASS ...................................................... 41 5.2.1 D EFINITION OF MATERIAL PARAMETERS ............................................................................................................................... 41 5.2.2 C RITERION RESULTS .............................................................................................................................................................. 42 6. DIMENSIONING ............................................................................................................................................ 46 6.1 C REATION OF A DIMENSIONING SCENARIO FOR THE CONTROL OF LOAD - BEARING MASONRY ACCORDING TO THE EUROCODE : 46 6.2 L OAD - BEARING MASONRY CONTROL IN ACCORDANCE WITH B UILDING C ODE 8 PART 3............................................. 47 6.2.1 Check ............................................................................................................................................... 51 6.2.2 Control Total ................................................................................................................................... 52 6.2.3 Incorporation of the provisions of the CPR ........................................................................................ 55 6.2.4 In-plane bending and shearing ........................................................................................................ 55 6.2.5 Bending out of level ......................................................................................................................... 55 6.3 S IZING OF THE PARTITIONS ................................................................................................................................................... 65