Preface to eighth edition xi Part One General Built environment 2 The structure 5 Primary and secondary elements 12 Component parts and functions 15 Construction activities 19 Constructi
Trang 2BUILDING CONSTRUCTION
HANDBOOK
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Eighth edition 2010
Copyrightª 1988, 1995, 1996, R Chudley
Copyrightª 1998, 2001, 2004, 2006, 2008, 2010, R Chudley and R Greeno
Published by Elsevier Ltd All rights reserved
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Trang 6Preface to eighth edition xi
Part One General
Built environment 2
The structure 5
Primary and secondary elements 12
Component parts and functions 15
Construction activities 19
Construction documents 20
Construction drawings 21
Building survey 28
HIPs/Energy Performance Certificates 32
Method statement and programming 33
Weights and densities of building materials 35
Imposed floor loads 37
Product and practice accreditation 66
CPI System of Coding 67
CI/SfB system of coding 68
Part Two Site Works
Site survey 70
Site investigations 71
Soil investigation 74
Soil assessment and testing 81
Site layout considerations 88
Site security 91
Site lighting and electrical supply 94
Site office accommodation 98
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Trang 7Materials storage 101
Materials testing 106
Dry and wet rot 121
Protection orders for trees and structures 123
Locating public utility services 124
Part Four Substructure
Foundations function, materials and sizing 206 Foundation beds 215
Short bored pile foundations 221
Foundation types and selection 223
Ground water control 303
Soil stabilisation and improvement 313
Reclamation of waste land 318
Contaminated sub-soil treatment 319
Trang 8Part Five Superstructure † 1
Choice of materials 322
Brick and block walls 323
Cavity walls 338
Damp-proof courses and membranes 344
Gas resistant membranes 351
Rendering to external walls 408
Cladding to external walls 410
Roofs † basic forms 417
Pitched roofs 420
Double lap tiling 437
Single lap tiling 439
Access for the disabled 492
Part Six Superstructure † 2
Reinforced concrete slabs 496
Reinforced concrete framed structures 500
Structural steelwork sections 532
Structural steelwork connections 537
Structural fire protection 542
Trang 9Long span roofs 569
Shell roof construction 579
Concrete surface finishes 614
Concrete surface defects 616
Part Seven Internal Construction and Finishes
Plasters and plastering 636
Dry lining techniques 639
Plasterboard 642
Wall tiling 645
Domestic floors and finishes 647
Large cast in-situ ground floors 654
Concrete floor screeds 656
Timber suspended floors 658
Lateral restraint 661
Timber beam design 664
Timber floors, fire protection 667
Reinforced concrete suspended floors 668
Precast concrete floors 673
Raised access floors 678
Trang 10Part Eight Domestic Services
Cold water installations 769
Hot water installations 771
Flow controls 774
Cisterns and cylinders 775
Pipework joints 777
Sanitary fittings 778
Single and ventilated stack systems 781
Hot water heating systems 784
Electrical supply and installation 788
Gas supply and gas fires 797
Open fireplaces and flues 801
Trang 12PREFACE TO EIGHTH EDITION
This edition retains the predominantly illustrative format of earlier editions, presenting the principles of building construction with comprehensive guidance
to procedures with numerous examples of formulated and empirical design Summary notes are supplemented with references to further reading where appropriate.
The content applies to both current and established UK construction practice This includes the building and maintenance of housing and other low-rise structures and the more advanced techniques applied to medium and high-rise commercial and large industrial buildings Many examples from previous editions are kept as important references and benchmarks for newer applications These have evolved in response to material developments and in consideration for environmental issues, not least with regard to energy conservation measures and sustainable building.
The UK’s housing stock of about 25 million dwellings includes approximately
2 million units built in the past decade Therefore, the aftercare of older buildings is an important part of the construction industry’s economy In order
to represent this important sector of maintenance, refurbishment, renovation and remedial work, many established practices are included in the Handbook Modern construction processes and associated technology are incorporated in this new edition, however the content is not extensive, nor is it intended to be prescriptive Building design and subsequent construction techniques are varied and diverse depending on availability of materials and skills This Handbook provided guidance to achieving these objectives, but sufficient publishing space cannot cover every possibility Therefore, the reader is encouraged to supplement their study with site observation and practice, with further reading of professional journals, legislative papers and manufacturer’s catalogues.
Roger Greeno 2010
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Trang 14MATERIAL WEIGHTS AND DENSITIES
IMPOSED FLOOR LOADS
CPI SYSTEM OF CODING
CI/SFB SYSTEM OF CODING
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Trang 15Environment = surroundings which can be natural, man-made or a
combination of these
Built Environment = created by man with or without the aid of the
natural environment
Trang 17Physical considerations
1 Natural contours of land
2 Natural vegetation and trees
3 Size of land and/or proposed building
4 Shape of land and/or proposed building
5 Approach and access roads and footpaths
6 Services available
7 Natural waterways, lakes and ponds
8 Restrictions such as rights of way; tree preservation andancient buildings
9 Climatic conditions created by surrounding properties, land
or activities
10 Proposed future developments
Trang 18The Structure -Basic Types
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Trang 20The Structure -Basic Forms
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Trang 22Shell Roofs ~ these are formed by a structural curved skincovering a given plan shape and area.
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The Structure -Basic Forms
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Trang 24Substructure ~ can be defined as all structure below thesuperstructure which in general terms is considered to include allstructure below ground level but including the ground floor bed.
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Substructure
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Trang 25Superstructure ~ can be defined as all structure abovesubstructure both internally and externally.
Primary Elements ~ basically components of the building carcassabove the substructure excluding secondary elements, finishes,services and fittings
Trang 26Secondary Elements ~ completion of the structure includingcompletion around and within openings in primary elements.
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Secondary Elements
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Trang 27Finish ~ the final surface which can be self finished as with atrowelled concrete surface or an applied finish such as floor tiles.
Trang 28Domestic Structures:~
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Structure -Component Parts and Functions
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Trang 29Framed Structures:~
Trang 30External Envelope ~ consists of the materials and componentswhich form the external shell or enclosure of a building These may
be load bearing or non-load bearing according to the structuralform of the building
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External Envelope -Functions
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Trang 32A Building or Construction Site can be considered as a temporaryfactory employing the necessary resources to successfully fulfil acontract.
Money:~
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Construction Activities -The Site
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Trang 34Location Drawings ~Site Plans † used to locate site,buildings, define site levels, indicateservices to buildings, identify parts ofsite such as roads, footpaths andboundaries and to give setting outdimensions for the site and buildings as
a whole Suitable scale not less than
1 : 2500Floor Plans † used to identify and setout parts of the building such asrooms, corridors, doors, windows, etc.,Suitable scale not less than 1 : 100Elevations † used to show externalappearance of all faces and to identifydoors and windows Suitable scale notless than 1 : 100
Sections † used to provide verticalviews through the building to showmethod of construction Suitable scalenot less than 1 : 50
Component Drawings ~used to identify and supply data forcomponents to be supplied by amanufacturer or for components notcompletely covered by assemblydrawings Suitable scale range 1 : 100
to 1 : 1Assembly Drawings ~used to show how items fit together orare assembled to form elements.Suitable scale range 1 : 20 to 1 : 5
All drawings should be fully annotated,fully dimensioned and cross referenced
Ref BS EN ISO 7519: Technical drawings Construction drawings.General principles of presentation for general arrangement andassembly drawings
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Drawings Used in the Construction Process
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Trang 35Sketch ~ this can be defined as a draft or rough outline of an idea,
it can be a means of depicting a three-dimensional form in atwo-dimensional guise Sketches can be produced free-hand or usingrules and set squares to give basic guide lines
All sketches should be clear, show all the necessary detail andabove all be in the correct proportions
Sketches can be drawn by observing a solid object or they can beproduced from conventional orthographic views but in all casescan usually be successfully drawn by starting with an outline `box'format giving length, width and height proportions and thenbuilding up the sketch within the outline box
Trang 37Isometric Projections ~ a pictorial projection of a solid object on
a plane surface drawn so that all vertical lines remain vertical and
of true scale length, all horizontal lines are drawn at an angle of30 and are of true scale length therefore scale measurements can
be taken on the vertical and 30 lines but cannot be taken on anyother inclined line
A similar drawing can be produced using an angle of 45 for allhorizontal lines and is called an Axonometric Projection
ISOMETRIC PROJECTION SHOWING SOUTH AND WEST ELEVATIONS
OF SMALL GARAGE AND WORKSHOP ILLUSTRATED ON PAGE 23
Trang 401 :
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Communicating Information -Block and Site Plans
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Trang 41Construction Defects † correct application of materials produced
to the recommendations of British, European and InternationalStandards authorities, in accordance with local buildingregulations, by-laws and the rules of building guarantee companies,i.e National House Building Council (NHBC) and MD InsuranceServices, should ensure a sound and functional structure However,these controls can be seriously undermined if the human factor ofquality workmanship is not fulfilled The following guidance isdesigned to promote quality controls:
BS 8000: Workmanship on building sites
Building Regulations, Approved Document to support Regulation 7
† materials and workmanship
No matter how good the materials, the workmanship andsupervision, the unforeseen may still affect a building This maymaterialise several years after construction Some examples ofthese latent defects include: woodworm emerging from untreatedtimber, electrolytic decomposition of dissimilar metalsinadvertently in contact, and chemical decomposition of concrete.Generally, the older a building the more opportunity there is for itscomponents and systems to have deteriorated and malfunctioned.Hence the need for regular inspection and maintenance Theprofession of facilities management has evolved for this purposeand is represented by the British Institute of Facilities Management(BIFM)
Property values, repairs and replacements are of sufficientmagnitude for potential purchasers to engage the professionalservices of a building surveyor Surveyors are usually members ofthe Royal Institution of Chartered Surveyors (RICS) The extent ofsurvey can vary, depending on a client's requirements This may be
no more than a market valuation to secure financial backing, to afull structural survey incorporating specialist reports on electricalinstallations, drains, heating systems, etc
Further reading:
BRE Digest No 268 † Common defects in low-rise traditionalhousing Available from Building Research Establishment Bookshop †www.brebookshop.com
Trang 42Established Procedure † the interested purchaser engages abuilding surveyor.
UK Government Requirements † the seller to provide a property/home information pack (HIP) which can include `A survey report onthe condition of the property, including requirements for urgent orsignificant repairs '
Survey document preliminaries:
* Title and address of property
* Client's name, address and contacts
* Survey date and time
* Property status † freehold, leasehold or commonhold
* Occupancy † occupied or vacant If vacant, source of keys
* Extent of survey, e.g full structural + services reports
* Specialists in attendance, e.g electrician, heating engineer, etc
* Age of property (approx if very dated or no records)
* Disposition of rooms, i.e number of bedrooms, etc
* Floor plans and elevations if available
* Elevation (flooding potential) and orientation (solar effect)
* Estate/garden area and disposition if appropriate
* Means of access † roads, pedestrian only, rights of way
Survey tools and equipment:
* Drawings + estate agent's particulars if available
* Notebook and pencil/pen
* Binoculars and a camera with flash facility
* Tape measure, spirit level and plumb line
* Other useful tools, to include small hammer, torch, screwdriverand manhole lifting irons
* Moisture meter
* Ladders † eaves access and loft access
* Sealable bags for taking samples, e.g wood rot, asbestos, etc
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Communicating Information -Survey Preliminaries
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