DESIGN OF MASONRY STRUCTURES Part 8 pps
DESIGN OF MASONRY STRUCTURES Part 8 pps
... weight of masonry is 21kN/m 3 . Design the beam for serviceability condition ( ␥ f =1). Solution (clause 29.1, BS 56 28: Part 2) (clause 29.2, BS 56 28: Part 2) Assume M i is 30% of ... 10.9 mm diameter stabilized strands of characteristic strength of 1700 N/mm 2 . The area of steel provided is 288 mm 2 . The initial modulus of elasticity of the steel is...
Ngày tải lên: 08/08/2014, 13:21
DESIGN OF MASONRY STRUCTURES Part 4 ppsx
... 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. Once f k is calculated, suitable types of masonry/ mortar combinations ... factor (0.70+3A). 5 .8. 2 Narrow masonry walls In BS 56 28 a modification factor is also given for narrow walls. If the thickness of the wa...
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 ... (mm) d 2 depth of the centroid of the reinforcement from the least comp ressed face (mm) E c modulus of elasticity of concrete (kN/mm 2 ) E m modulus of elasticity of mas...
Ngày tải lên: 08/08/2014, 13:21
DESIGN OF MASONRY STRUCTURES Part 1 ppt
... 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 56 28: Part 1 4.3 BS 56 28: Part 2—reinforced and ... of this book was published in 1 981 as Load Bearing Brickwork Design, and dealt with the design of unreinforced structural brickwork in accordance with B...
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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 ... strength of a unit of given material increases with decrease in height because of the restraining effect of the testing machine platens on the lateral deformation of the...
Ngày tải lên: 08/08/2014, 13:21
DESIGN OF MASONRY STRUCTURES Part 3 pdf
... application of the code provisions to a typical design is given in Chapter 10. 4.3 BS 56 28: PART 2—REINFORCED AND PRESTRESSED MASONRY Part 2 of BS 56 28 is based on the same limit state principles as Part ... Codes of practice for structural masonry 4.1 CODES OF PRACTICE: GENERAL A structural code of practice or standard for masonry brings together essential data o...
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DESIGN OF MASONRY STRUCTURES Part 5 potx
... (a). Design vertical load resistance In this section the value of Φ i =0.90 must replace the value of ß=0. 78 used in section (a) and ␥ m =3.0, resulting in a value of 30 .87 f k for the design vertical ... section the value of Φ i =0. 58 must replace the value of ß=0.91 used in section (a) resulting in a value of 19 .82 f k for the design vertical load resistance. D...
Ngày tải lên: 08/08/2014, 13:21
DESIGN OF MASONRY STRUCTURES Part 6 doc
... using Fig. 8. 13 in which µ p is defined (8. 18) Fig. 8. 13 Design chart for racking loads: optional correction ∆ φ added to Φ S ( µ =M pb /M pc ). From Wood (19 78) . Fig. 8. 12 Plot of δ p ... particular range of R) by using the appropriate abscissae. The three graphs, Figs. 8. 7, 8. 8 and 8. 9, have been drawn so that each represents a relationship for the particu...
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DESIGN OF MASONRY STRUCTURES Part 7 docx
... section 9.3 have led to design recommendations as typified in BS 56 28 (section 9.5). 9.5 USE OF TIES Codes of practice, such as BS 56 28, require the use of ties as a means of limiting accidental ... 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...
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