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262 Barry’s Advanced Construction of Buildings Barrel vault Arch ribs Span Width Short-span barrel vault Barrel vault Edge beam Rise Width Span Long-span barrel vault Figure 4.100 Reinforced concrete barrel vaults. vault is the long-span vault, illustrated in Figure 4.100, where the strength and stiffness of the shell lie at right angles to the curvature. Typical spans range from 12 to 30 m, with the width being about half the span and the rise about one-fifth of the width. To cover large areas, multi-span, multi-bay barrel vault roofs can be used (see Figure 4.101). The concrete shell may be from 57 to 75 mm thick for spans of 12 and 30 m, respectively. The thickness of the concrete provides sufficient cover of concrete to protect the reinforcement against damage by fire and corrosion. Stiffening beams and arches Under local loads, the thin shell of the barrel vault will tend to distort and lose shape and, if this distortion were of sufficient magnitude, the resultant increase in local stress would cause the shell to progressively collapse. To strengthen the shell against this possibility, stiffening beams or arches are cast integrally with the shell. Figure 4.102 illustrates the four types of stiffening members generally used, with common practice being to provide a
Single-Storey Frames, Shells and Lightweight Coverings 263 Reinforced concrete capping Fairface brickwork Reinforced concrete edge beam Gutter screeded to falls 450 225 Aluminium decklight and wired glass Two ply felt roof covering 65 thick reinforced concrete barrel vault Reinforced concrete stiffening beam Reinforced concrete curb Insulation board lining 150 Valley gutter screeded to falls 225 Reinforced concrete ribs at 3.0 centres Reinforced concrete valley beam 50 cavity 100 lightweight block inner skin 300 × 225 reinforced concrete column Figure 4.101 Reinforced concrete barrel vault. Upstand arch rib Downstand arch rib Downstand stiffening beam Upstand stiffening beam Figure 4.102 Stiffening beams and arches for reinforced concrete barrel vaults.
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BARRY’S ADVANCED CONSTRUCTION OF
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This edition first published 2014 T
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vi Contents 6 Structural Concrete F
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Acknowledgements Over the years our
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1 Introduction In Barry’s Introdu
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Introduction 3 Photograph 1.1 Frame
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Introduction 5 (2) Positional toler
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Introduction 7 some of the factors
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Introduction 9 Photograph 1.2 Artif
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Introduction 11 on legislation, oth
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Introduction 13 allow for innovatio
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2 Scaffolding, Façade Retention an
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Scaffolding, Façade Retention and
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3 Ground Stability, Foundations and
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Ground Stability, Foundations and S
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Where the ground is susceptible to
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Heavy pad reinforcement Reinforceme
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Photograph 3.3 Driven precast concr
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(a) (b) Photograph 3.6 (a) A drop a
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Working direction Hopper and cellul
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Infill concrete packing applies pre
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Reinforced structural concrete base
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4 Single-Storey Frames, Shells and
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Single-Storey Frames, Shells and Li
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Portal rafter Plate welded to rafte
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Zed purlins Washer plate bolted to
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Sheeting rails for cladding Steel r
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Photograph 4.12 Lattice column to b
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Page 223 and 224: Single-Storey Frames, Shells and Li
Page 231 and 232: Side lap of sheeting Sheeting screw
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Page 281 and 282: Outline of straight line limited hy
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Page 287 and 288: Structural Steel Frames 275 penetra
Page 289 and 290: Structural Steel Frames 277 calcula
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Page 297 and 298: Structural Steel Frames 285 Channel
Page 299 and 300: One-way span floor and roof slabs R
Page 301 and 302: Structural Steel Frames 289 A disad
Page 303 and 304: Structural Steel Frames 291 Rib bea
Page 305 and 306: Structural Steel Frames 293 Timber
Page 307 and 308: Structural Steel Frames 295 Horizon
Page 309 and 310: Structural Steel Frames 297 Concret
Page 311 and 312: Beam End plate welded to beam Colum
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Page 315 and 316: Structural Steel Frames 303 Bearing
Page 317 and 318: Structural Steel Frames 305 Bolt fa
Page 319 and 320: Structural Steel Frames 307 Electro
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Structural Steel Frames 313 beam en
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Structural Steel Frames 315 Column
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A timber profile is cut to the same
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Structural Steel Frames 319 Square
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Structural Steel Frames 321 for a s
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Structural Steel Frames 323 Photogr
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Structural Steel Frames 327 Column
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Structural Steel Frames 329 Strengt
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Structural Steel Frames 331 Figure
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Structural Steel Frames 333 Floor b
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Structural Steel Frames 335 50 or 7
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Structural Steel Frames 339 rating,
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Structural Steel Frames 341 The adv
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Structural Steel Frames 343 Shear s
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Structural Concrete Frames 345 ❏
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Structural Concrete Frames 347 Work
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Structural Concrete Frames 349 6.2
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Structural Concrete Frames 351 is o
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Structural Concrete Frames 353 plac
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Structural Concrete Frames 355 Comp
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Structural Concrete Frames 357 Beam
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Structural Concrete Frames 359 cant
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Structural Concrete Frames 361 Clos
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Structural Concrete Frames 363 Rein
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Structural Concrete Frames 365 Stee
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Structural Concrete Frames 367 Sold
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Structural Concrete Frames 369 Hand
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Structural Concrete Frames 371 Conc
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Structural Concrete Frames 373 Edge
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Figure 6.23 Prop and deck floor pos
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Structural Concrete Frames 377 Main
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Structural Concrete Frames 379 Edge
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Handrail protects workers when pour
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Structural Concrete Frames 383 calc
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Structural Concrete Frames 385 Wire
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Structural Concrete Frames 387 Thru
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Structural Concrete Frames 389 ❏
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Structural Concrete Frames 391 Expo
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Structural Concrete Frames 393 Balc
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Structural Concrete Frames 395 In s
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Structural Concrete Frames 401 comp
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Structural Concrete Frames 403 Stee
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Structural Concrete Frames 405 The
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Structural Concrete Frames 407 Wrap
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Structural Concrete Frames 409 alte
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7 Cladding and Curtain Wall Constru
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Cladding and Curtain Wall Construct
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Stainless steel restraint cramps fi
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15 mm Cladding and Curtain Wall Con
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Roof support Roof or eaves level La
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Prefabrication and Off-Site Product
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The finished hospital looks no diff
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Lifts and Escalators 515 ❏ ❏
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Lifts and Escalators 517 will be bu
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Lifts and Escalators 519 hydraulic
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Lifts and Escalators 521 ❏ ❏
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Lifts and Escalators 523 FFL Lift c
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Lifts and Escalators 525 Climbing f
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Lifts and Escalators 527 Above 30 m
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Lifts and Escalators 529 Photograph
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Fit Out and Second Fix 531 cabinets
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Fit Out and Second Fix 533 ❏ ❏
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Fit Out and Second Fix 535 Four-way
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Fit Out and Second Fix 537 Services
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Fit Out and Second Fix 539 Wire han
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Fit Out and Second Fix 541 tiles ar
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Fit Out and Second Fix 543 Metal st
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Fit Out and Second Fix 545 Multiple
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11 Building Obsolescence and Revita
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Building Obsolescence and Revitalis
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Appendix B: Additional References C
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Index Access from heights, 42 Acces
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Index 567 Innovation, 505 Inspectio
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Index 569 Suspended frameless glazi
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