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Summary
Summary
Modernisation, Mechanisation and Industrialisation of Concrete Structures discusses the manufacture of high quality prefabricated concrete construction components, and how that can be achieved through the application of developments in concrete technology, information modelling and best practice in design and manufacturing techniques.
Author Notes
Kim S. Elliott is a consultant to the precast industry in the UK and Malaysia. He was Senior Lecturer in the School of Civil Engineering at Nottingham University from 1987-2010, and was formerly at Trent Concrete Structures Ltd., one of the UK's leading precast concrete manufacturers. An active researcher into the behaviour of precast concrete structures, he has published extensively on the subject. He is a member of FIB Commission on Prefabrication.
Zuhairi Abd. Hamid is Executive Director of the Construction Research Institute of Malaysia (CREAM). With more than 32 years of experience in the construction industry, his research interests and expertise falls within the area of Strategic Management of IT in Construction, Strategic Facilities Management in the Health Sector, Structural dynamics (wind engineering and earthquake engineering), prefabricated building construction and the Open Building System.
Table of Contents
About the Editors | p. xi |
Notes on Contributors | p. xiii |
Preface | p. xvii |
Part 1 Modernisation of Precast Concrete Structures | p. 1 |
1 Historical and Chronological Development of Precast Concrete Structures | p. 3 |
1.1 The five periods of development and optimisation | p. 3 |
1.2 Developing years and the standardisation period | p. 26 |
1.3 Optimisation and the lightweight period | p. 34 |
1.3.1 Minimising beam and slab depths and structural zones | p. 34 |
1.3.2 Orientation rule | p. 38 |
1.3.3 Composite and continuous floor slabs | p. 38 |
1.3.4 Composite and continuous internal beams | p. 43 |
1.4 The thermal mass period | p. 46 |
1.4.1 Background to fabric energy storage in precast framed and wall structures | p. 46 |
1.4.2 Admittance and cooling capacity | p. 48 |
1.4.3 Thermal resistance and U-values for precast ground and suspended floors | p. 51 |
1.4.4 Conclusion to FES, cooling and thermal transmission | p. 58 |
References | p. 59 |
2 Industrial Building Systems (IBS) Project Implementation | p. 61 |
2.1 Introduction | p. 61 |
2.1.1 Definition of IBS | p. 63 |
2.1.2 Advantages of IBS | p. 64 |
2.1.3 Sustainability of IBS | p. 67 |
2.1.4 Drawbacks of IBS | p. 68 |
2.2 Routes to IBS procurement | p. 69 |
2.2.1 Definitions | p. 69 |
2.2.2 Preliminaries | p. 70 |
2.2.3 Project design stages | p. 71 |
2.2.4 Design and detailing practice | p. 79 |
2.2.5 Structural design calculations and project drawings | p. 80 |
2.2.6 Component schedules and the engineers instructions to factory and site | p. 87 |
2.3 Precast concrete IBS solution to seven-storey skeletal frame | p. 89 |
2.4 Manufacture of precast concrete components and ancillaries | p. 93 |
2.4.1 Requirements and potential for automation | p. 93 |
2.4.2 Floor slabs by slip-forming and extrusion techniques | p. 93 |
2.4.3 Comparisons of slip-forming and extrusion techniques, and r.c. slabs | p. 102 |
2.4.4 Hydraulic extruder | p. 102 |
2.4.5 Reinforced hollow core slabs | p. 103 |
2.4.6 Automated embedment machines for mesh and fabrics in double-tee slabs | p. 106 |
2.4.7 Optimised automation | p. 109 |
2.4.8 Table top wall panels | p. 110 |
2.4.9 Production of precast concrete wall panels using vertical circulation system | p. 115 |
2.4.10 Control of compaction of concrete | p. 118 |
2.4.11 Automation of rebar bending and wire-welded cages | p. 118 |
2.5 Minimum project sizes and component efficiency for IBS | p. 120 |
2.6 Design implications in construction matters | p. 120 |
2.7 Conclusions | p. 122 |
References | p. 124 |
3 Best Practice and Lessons Learned in IBS Design, Detailing and Construction | p. 125 |
3.1 Increasing off-site fabrication | p. 125 |
3.2 Standardisation | p. 133 |
3.3 Self-compacting concrete for precast components | p. 137 |
3.4 Recycled precast concrete | p. 142 |
3.5 Building services | p. 144 |
3.6 Conclusions | p. 147 |
References | p. 147 |
4 Research and Development Towards the Optimisation of Precast Concrete Structures | p. 149 |
4.1 The research effort on precast concrete framed structures | p. 149 |
4.1.1 Main themes of innovation, optimisation and implementation | p. 149 |
4.1.2 Structural frame action and the role of connections | p. 151 |
4.1.3 Advancement and optimisation of precast elements | p. 156 |
4.1.4 Shear reduction of hcu on flexible supports | p. 157 |
4.1.5 Continuity of bending moments at interior supports | p. 159 |
4.1.6 Horizontal diaphragm action in hollow core floors without structural toppings | p. 160 |
4.2 Precast frame connections | p. 162 |
4.2.1 Background to the recent improvements in frame behaviour | p. 162 |
4.2.2 Moment-rotation of beam to column connections | p. 162 |
4.2.3 Research and development of precast beam-to-column connections | p. 167 |
4.2.4 Colunm effective length factors in semi-rigid frames | p. 170 |
4.3 Studies on structural integrity of precast frames and connections | p. 170 |
4.3.1 Derivation of catenary tie forces | p. 170 |
References | p. 173 |
Part 2 Mechanisation and Automation of the Production of Concrete Elements | p. 177 |
5 Building Information Modelling (BIM) and Software for the Design and Detailing of Precast Structures | p. 179 |
5.1 Building information modelling (BIM) | p. 179 |
5.1.1 Introduction | p. 179 |
5.1.2 History and ideas | p. 180 |
5.1.3 Types of BIM | p. 183 |
5.1.4 BIM around the world | p. 185 |
5.1.5 BIM and precast structures | p. 187 |
5.2 Technologies | p. 188 |
5.2.1 Industry foundation classes (IFC) | p. 188 |
5.2.2 IFC data file formats and data exchange technologies | p. 192 |
5.2.3 BIM model software | p. 195 |
5.3 BIM in precast construction | p. 198 |
5.3.1 Project pricing for precast structures based on 3D models | p. 198 |
5.3.2 Technical engineering | p. 198 |
5.3.3 Production data and status management | p. 202 |
5.3.4 Logistics, mounting, and quality management | p. 206 |
5.4 Summary | p. 207 |
References | p. 207 |
6 Mechanisation and Automation in Concrete Production | p. 210 |
6.1 Development of industrialization and automation in the concrete prefabrication industry | p. 210 |
6.1.1 Stationary flexible forms, tables and formwork in a prefabrication plant | p. 211 |
6.1.2 Long-bed production | p. 213 |
6.1.3 Pallet circulation plant | p. 217 |
6.1.4 CAD-CAM: the path to automation | p. 221 |
6.2 CAD-CAM BIM from Industry 2.0 to 4.0 | p. 224 |
6.2.1 Production of non-variable parts versus production in lot size one | p. 224 |
6.2.2 IBS - suitable prefabricated products for mechanization and automation | p. 227 |
6.2.3 Just-in-time planning and production using ERP systems | p. 234 |
6.2.4 MES systems for mechanization and automation | p. 238 |
6.3 Automation methods | p. 242 |
6.3.1 From simple to the highly sophisticated | p. 243 |
6.3.2 Automation methods | p. 243 |
6.4 Integrated and automated prefabricated production process | p. 286 |
6.4.1 Structures | p. 287 |
6.4.2 ERP, CAD, MES, PROD machines, HMI | p. 289 |
6.4.3 HMI - integrating staff into the process | p. 289 |
6.4.4 Smart factory, industry 4.0 - integration into BIM | p. 291 |
6.4.5 QM included | p. 293 |
6.5 Limits of automation | p. 298 |
6.5.1 Labour cost versus automation | p. 298 |
6.5.2 Costs, necessary skills and ROI | p. 298 |
6.6 Summary and outlook | p. 300 |
Part 3 Industrialisation of Concrete Structures | p. 301 |
7 Lean Construction - Industrialisation of On-site Production Processes | p. 303 |
7.1 Work process planning (WPP) | p. 304 |
7.1.1 Construction production planning process - introduction | p. 304 |
7.1.2 Construction production process - principles and sequence | p. 310 |
7.1.3 Systematic basic production process planning - steps | p. 311 |
7.1.4 Continuous construction process management | p. 313 |
7.2 Construction production process planning procedure | p. 314 |
7.3 Work process planning (WPP) - work execution estimation | p. 322 |
7.4 Work process planning (WPP) - planning the processes and construction methods | p. 329 |
7.5 Planning the execution process | p. 332 |
7.6 Procedure for selecting construction methods and processes | p. 336 |
7.6.1 Objectives when comparing construction methods | p. 336 |
7.6.2 Methodological approach to comparing construction methods | p. 338 |
7.7 Conclusions to Chapter 7 | p. 343 |
References | p. 344 |
8 Lean Construction - Industrialisation of On-site Production Processes | p. 346 |
8.1 Introduction - top-down / bottom-up work planning scheduling and resource planning | p. 347 |
8.2 Scheduling and resource planning | p. 348 |
8.3 Site Logistics | p. 352 |
8.3.1 Logistics planning | p. 352 |
8.3.2 Transport logistics | p. 354 |
8.3.3 Delivery, storage and turnaround logistics | p. 355 |
8.3.4 Planning storage areas - storage space management | p. 356 |
8.3.5 Disposal logistics | p. 357 |
8.4 Weekly work plans | p. 357 |
8.4.1 Lean construction - weekly work program | p. 357 |
8.4.2 Equipment and material call-up | p. 384 |
8.4.3 Organizing the construction workflow, construction methods, and health and safety | p. 390 |
8.5 Construction site controlling process | p. 391 |
8.5.1 Performance specifications | p. 391 |
8.5.2 Controlling weekly work performance | p. 393 |
8.6 CIP - the continuous improvement process | p. 398 |
8.7 Conclusions | p. 401 |
References | p. 403 |
9 New Cooperative Business Model - Industrialization of Off-Site Production | p. 404 |
9.1 Introduction | p. 405 |
9.2 Objectives of the new business model | p. 406 |
9.3 Modelling | p. 408 |
9.3.1 Formal structuring | p. 408 |
9.3.2 Contextual configuration of the outside view: development of the new service offer | p. 409 |
9.3.3 Contextual configuration of the inside view: Realization of the value creation process | p. 409 |
9.3.4 Overview | p. 420 |
9.4 Conclusion | p. 420 |
References | p. 421 |
10 Retrospective View and Future Initiatives in Industrialised Building Systems (IBS) and Modernisation, Mechanisation and Industrialisation (MMI) | p. 424 |
10.1 Industrialisation of the construction industry | p. 424 |
10.2 Overview on global housing pre fabrication | p. 426 |
10.3 Housing prefabrication in Malaysia - the industrialization building system (IBS) | p. 427 |
10.3.1 Chronology of IBS development in Malaysia | p. 429 |
10.3.2 IBS roadmap | p. 433 |
10.3.3 IBS adoption level in Malaysia | p. 435 |
10.4 Social acceptability of IBS in relation to housing | p. 439 |
10.5 IBS in future - opportunity for wider IBS adoption | p. 443 |
10.5.1 Greater Kuala Lumpur | p. 444 |
10.5.2 Affordable housing | p. 446 |
10.6 Conclusion | p. 450 |
References | p. 450 |
11 Affordable and Quality Housing Through Mechanization, Modernization and Mass Customisation | p. 453 |
11.1 Introduction | p. 453 |
11.2 Design for flexibility - insight from the vernacular architecture | p. 457 |
11.3 Scope of flexibility in residential housing | p. 459 |
11.4 Divergent Dwelling Design (D3) - proposed mass housing system for today and tomorrow | p. 461 |
11.5 Design principles of D3 | p. 464 |
11.5.1 The design of the unit plan | p. 465 |
11.5.2 Unit configurations design | p. 466 |
11.5.3 Sustainable strategies design | p. 467 |
11.5.4 Structure and construction design | p. 468 |
11.6 Conclusion | p. 472 |
References | p. 473 |
Index | p. 475 |