DESIGN OF MASONRY STRUCTURES Part 4 ppsx
DESIGN OF MASONRY STRUCTURES Part 4 ppsx
... is difficult to apply them in particular cases in the absence of test results for the materials being used. 4. 4 .4 Section 4: design of masonry (a) General stability Initial provisions of this section call ... determination of the value of the characteristic compressive strength of the masonry (f k ) and the thickness of the unit required to support the design loads....
Ngày tải lên: 08/08/2014, 13:21
DESIGN OF MASONRY STRUCTURES Part 1 ppt
... properties of masonry 3.6 Effects of workmanship on masonry strength 4 Codes of practice for structural masonry 4. 1 Codes of practice: general 4. 2 The basis and structure of BS 5628: Part 1 4. 3 BS ... strength of reinforced masonry 10 .4 Deflection of reinforced masonry beams 10.5 Reinforced masonry columns, using BS 5628: Part 2 10.6 Reinforced masonry...
Ngày tải lên: 08/08/2014, 13:21
DESIGN OF MASONRY STRUCTURES Part 2 pptx
... deformation of the mortar in the bed joints of the masonry. 2. The apparent crushing strength of the unit in a standard test is not a direct measure of the strength of the unit in the masonry, since ... situations ©20 04 Taylor & Francis Table 2.7 (Contd) ©20 04 Taylor & Francis 3 Masonry properties 3.1 GENERAL Structural design in masonry requires a clear unde...
Ngày tải lên: 08/08/2014, 13:21
DESIGN OF MASONRY STRUCTURES Part 3 pdf
... of construction control will normally apply to reinforced and prestressed work. 4. 3 .4 Section 4: design of reinforced masonry Section 4 is subdivided into paragraphs dealing with the design of elements ... effect of making ß=1 with a minimum eccentricity of 0.05t). The width of the stress block, as shown in Fig. 4. 3, is (4. 4) and the vertical load capacity of...
Ngày tải lên: 08/08/2014, 13:21
DESIGN OF MASONRY STRUCTURES Part 5 potx
... it. Fig. 7.3 Uplift of the slab at the time of collapse of wall beneath it. ©20 04 Taylor & Francis Modification factors for f k • Horizontal cross-sectional area =4. 25×0.1025=0 .44 m 2 . This is ... the design of masonry structures. The deflection of the wall is given by (6.5) (6.6) where w=total uniformly distributed wind load/unit height, h=height of buil...
Ngày tải lên: 08/08/2014, 13:21
DESIGN OF MASONRY STRUCTURES Part 6 doc
... capable of carrying a triangular load of masonry in which the span of the beam represented the base of an equilateral triangle. The method allowed for a proportion of the self- weight of the masonry ... terms of design loads and are to be compared with the design strengths of the material in compression and shear. The design of the beam would be carried out in acco...
Ngày tải lên: 08/08/2014, 13:21
DESIGN OF MASONRY STRUCTURES Part 7 docx
... characteristic strength of the masonry has limited influence on the design. 10.2.5 Example Design a simply supported brickwork beam of span 4 m and of section 215mm×365mm to carry a moment of 24kNm assuming ... developing a degree of ductility and in limiting damage. 10 .4 DEFLECTION OF REINFORCED MASONRY BEAMS The deflection of a reinforced masonry beam can be calc...
Ngày tải lên: 08/08/2014, 13:21
DESIGN OF MASONRY STRUCTURES Part 8 pps
... moment of resistance of the beam. Solution We have ©20 04 Taylor & Francis support only its own weight. The design loads and design assumptions are given in section 12.2. 12.2 BASIS OF DESIGN: ... GL Neglecting openings, etc., we have G k =3.5×21×10.5+6 4. 8×21×10.5 +(12×2.6 4. 25×2.85 +4 2×2 .42 4. 25×2.85 +2×21×2.6×2.85+21×2×2×2 .42 ×2.85)×7 =17 643 kN 12.5 WIND LO...
Ngày tải lên: 08/08/2014, 13:21
DESIGN OF MASONRY STRUCTURES Part 9 doc
... 12.10. ©20 04 Taylor & Francis Table 12.1 (Contd) ©20 04 Taylor & Francis BM at centre of the panel=627.8×(Cp e +CP i )h 2 ×0.1 04 1 .4 =627.8×(1.1+0.2)×(2.85) 2 ×0.1 04 1 .4 =9 64. 6Nm/m (Cp e ... (1.96×102.5×10 3 )/10 3 =201kN/m. 12.6 .4 Selection of brick and mortar for inner leaf of wall B The design vertical load resistance of the wall is (ßtf k )/ ␥ m (clause 32...
Ngày tải lên: 08/08/2014, 13:21
DESIGN OF MASONRY STRUCTURES Part 10 pps
... infill and steel ␥ mm partial safety factor for compressive strength of masonry ␥ ms partial safety factor for strength of steel ␥ mv partial safety factor for shear strength of masonry ε strain as ... -10°C to +40 °C Overall contraction of wall 30×10×10 -6 × 24 10 3 =7.2mm Overall expansion of wall 40 ×10×10 -6 × 24 10 3 =12.8mm The maximum movement at the top of the wa...
Ngày tải lên: 08/08/2014, 13:21