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BSI PD 6697:2019

$215.11

Recommendations for the design of masonry structures to BS EN 1996-1-1 and BS EN 1996-2

Published By Publication Date Number of Pages
BSI 2019 114
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This Published Document contains non-contradictory complementary information and additional guidance for use in the UK with BS EN 1996-1-1 and BS EN 1996-2.

BS EN 1996-1-2 and BS EN 1996-3 are not specifically dealt with, but this Published Document may be relevant.

Most of the material in this Published Document is taken from those parts of BS 5628-1, BS 5628-2, BS 5628-3 and BS EN 845 (all parts) that were not contradictory to the new BS EN 1996 series, but had to be withdrawn when those British Standards were withdrawn.

This Published Document does not cover the detailing of components for seismic design.

PDF Catalog

PDF Pages PDF Title
5 Foreword
7 0 Introduction
1 Scope
2 Normative references
10 3 Terms and definitions
13 4 Symbols
15 5 Materials and components
17 Table 1 — Physical properties and performance of materials for DPCs
21 Table 2 — Selection of ancillary components in relation to material/coating specification and situation
24 Table 3 — Sill materials
Table 4 — Lintels
25 Table 5 — Copings
Table 6 — Flashings and weatherings
26 Table 7 — Insulation products
6 Design
28 Figure 1 — Timber floor bearing directly on to a wall
29 Figure 2 — Timber floor using typical joist hanger
Figure 3 — Timber floor using nailed or bolted joist hangers acting as tie
Figure 4 — In‑situ concrete floor bearing directly on to wall
30 Figure 5 — In‑situ concrete floor abutting external cavity wall
Figure 6 — Beam and block floor abutting external cavity wall
31 Figure 7 — Timber floor abutting external cavity wall
Figure 8 — Timber floor using double joist hanger acting as tie
32 Figure 9 — Timber floor using typical joist hanger
Figure 10 — Timber floors abutting internal wall
33 Figure 11 — In‑situ floors abutting internal wall
Figure 12 — Beam and block floor abutting internal wall
34 Figure 13 — Precast units abutting internal wall
36 Table 8 — Elastic modulus for concrete infill, Ecm
37 Figure 14 — Typical short‑term design stress‑strain curves for normal and low stress tendons
38 Figure 15 — Spacing of wall ties
39 Table 9 — Selection of wall ties: Types, categories and lengths
40 Table 10 — Classification of wall ties by end use
41 Figure 16 — Definitions for functional sections of masonry–masonry wall ties in an external cavity wall
42 Table 11 — Functional sections
Table 12 — Minimum declared tensile load capacity and compression load capacity for tie type for design embedment length
43 Figure 17 — Extent of corbelling
46 Figure 18 — Short returns in clay masonry
49 Figure 19 — Recommended allowances for differential movement between the timber frame structure and brick cladding
50 Table 13 — Categories of exposure to local wind‑driven rain
52 Table 14 — Single-leaf masonry — Recommended thickness of masonry for different types of construction and categories of exposure
57 Figure 20 — Cavity parapet walls
58 Figure 21 Detail of typical chimney stack
59 Figure 22 — Freestanding and earth retaining wall
60 Figure 22 — Freestanding and earth retaining wall (continued)
65 Table 15 — Durability of masonry in finished construction
75 Figure 23 — Typical cross sections of copings
78 Table 16 — Values of the moment of resistance factor, Q, for various values of fd and lever arm factor, c
79 Figure 24 — Moment of resistance factor, Q
82 Table 17 — Values of the coefficient j
89 Table 18 — Loadbearing elements
90 Table 19 — Detailed accidental damage recommendations
92 Table 20 — Recommendations for full peripheral, internal and column or wall ties
93 Table 21 — Recommendations for full vertical ties
97 Figure 25 — Limiting dimensions of walls for stability
99 7 Lintels: method of assessment of load
101 Figure 26 — Load triangle and interaction zone
102 Figure 27 — Dispersion of loads
103 Figure 28 — Effect of openings above the lintel
104 Figure 29 — Example showing the loads on lintel with floor, partition and opening above the lintel
105 Figure 30 — Example showing the loads on lintels supporting walls
106 Table 22 — Conversion factors for determining equivalent UDLs from assessed UDLs A)
107 Table 23 — Conversion factors for determining equivalent UDLs from point loads close to the lintelA)
8 Work on site
109 Table 24 — Permissible deviations in masonry (other than stone masonry)
Table 25 — Permissible deviations in stone masonry
111 Figure 31 — Wall tie for high‑lift grouted‑cavity wall
113 Bibliography
BSI PD 6697:2019
$215.11