DESIGN OF MASONRY STRUCTURES Part 7 docx
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 ... in Fig. 10.6 is below the cut-off line for shear, the design will be safe in shear. 10.3 SHEAR STRENGTH OF REINFORCED MASONRY 10.3.1 Shear strength of reinforced...
Ngày tải lên: 08/08/2014, 13:21
Inspection Evaluation And Repair Of Steel structures Part 7 docx
... Rolfe 19 87, p 47. Reprinted by permission of Prentice-Hall, Inc., Englewood Cliffs, NJ.) EM 1110-2-6054 1 Dec 01 6-8 Figure 6-8. Through-thickness crack (Barsom and Rolfe 19 87, p 39. ... length, (2a), b = effective dimension of crack in the through- thickness direction, and P = effective dimension of the distance between the edge of component and edge of crack in th...
Ngày tải lên: 05/08/2014, 11:20
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 5628: Part 1 4.3 BS 5628: Part 2—reinforced and ... unsymmetrically arranged shear walls 7 Lateral load analysis of masonry panels 7. 1 General 7. 2 Analysis of panels with precompression 7. 3 Approximat...
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 ... 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
... 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 on which to base the design of structures ... application of the code provisions to a typical design is given in Chapter 10. 4.3 BS 5628: PART 2—REINFORCED AND PRESTRESSED MASONRY Part 2 of BS 5628 is based o...
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 ... value of the characteristic compressive strength of the masonry f k . Typically the equation takes the form (5.11) Generally the calcu...
Ngày tải lên: 08/08/2014, 13:21
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 ... 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 o...
Ngày tải lên: 08/08/2014, 13:21
DESIGN OF MASONRY STRUCTURES Part 6 doc
... return) from equation (7. 3) into equation (7. 5) (7. 6) Similarly, for a wall with two returns (Fig. 7. 5 (a)): (7. 7) (7. 8) From equation (7. 3) (7. 9) For various values of ␣ , the q 1 /q 0 ... 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...
Ngày tải lên: 08/08/2014, 13:21
DESIGN OF MASONRY STRUCTURES Part 8 pps
... strength. 11.2 METHODS OF PRESTRESSING The techniques and the methods of prestressing of masonry are similar to those for concrete. Fig. 11.2 Shear strengths of different types of brickwork beams of similar ... Fig. 2 .7. The masonry in mortar has a characteristic strength parallel to the bed joint of 21N/mm 2 and modulus of elasticity 15.3kN/mm 2 . Using the simplified s...
Ngày tải lên: 08/08/2014, 13:21
DESIGN OF MASONRY STRUCTURES Part 9 doc
... much difference to the design. 12.8 DESIGN OF PANEL FOR LATERAL LOADING: BS 5628 (LIMIT STATE) To explain the principle of the design only panel B between sixth floor and roof will be considered. ... 32.2.1). The value of ß depends on the eccentricity of loading; hence the value of e needs to be evaluated before design can be completed. 12.6.5 Calculation of eccentricity T...
Ngày tải lên: 08/08/2014, 13:21