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" In discussing the stability of position of masonry towers, let the distance of the centre of pressure from the centre of figure of the section of the pier be denoted by q. If this latter does not exceed q (the limit of safety for q"), which may be ascertained... "
Oxford, Cambridge and Dublin Messenger of Mathematics - Page 254
1864
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Useful Rules and Tables Relating to Mensuration, Engineering, Structures ...

William John Macquorn Rankine - Engineering - 1866 - 356 pages
...rectangle; so that if t be its thickness at the base, nwbht is its weight ; q, the ratio which the deviation of the centre of pressure from the centre of figure of the base is to bear to the thickness at the base. (See Rule XIV.) r, the ratio which the horizontal deviation...
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A Manual of Applied Mechanics

William John Macquorn Rankine - Mechanical engineering - 1872 - 714 pages
...traverses its centre of pressure and centre of figure ; so that if t be that diameter, qt shall be the distance of the centre of pressure from the centre of figure. Then the ratio q is found in practice to have the following values : — * In retaining walls designed...
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A Mechanical Text-book: Or, Introduction to the Study of Mechanics and ...

William John Macquorn Rankine, Edward Fisher Bamber - Mechanical engineering - 1873 - 368 pages
...(1.) II. In order that the block may be in no danger of overturning, the ratio which the deviation of the centre of pressure from the centre of figure of the joint bears to the length of the diameter of the joint traversing tliose two centres, must not exceed...
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A Mechanical Text-book: Or, Introduction to the Study of Mechanics and ...

William John Macquorn Rankine, Edward Fisher Bamber - Mechanical engineering - 1873 - 372 pages
...(1.) II. In order that tJte block may be in no danger of overturning, the ratio which the deviation of the centre of pressure from the centre of figure of the joint bears to the length of the diameter of the joint traversing those two centres, must not exceed...
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An Elementary Course of Civil Engineering for the Use of Cadets of the ...

Junius Brutus Wheeler - Civil engineering - 1876 - 504 pages
...pressure upon the different points within the base may be, and to determine the limits of deviation of the centre of pressure from the centre of figure of the base. Suppose the resultant pressure to be normal to the plane of the base. 280. Normal pressure. —...
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A Course on the Stresses in Bridge and Roof Trusses: Arched Ribs and ...

William Hubert Burr - Strains and stresses - 1882 - 446 pages
...not because a necessarily equals a . In discussing the stability of position of masonry towers, let the distance of the centre of pressure from the centre of figure of the section of the pier be denoted by q ' . If this latter does not exceed q (the limit of safety for q'),...
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A Manual of Applied Mechanics

William John Macquorn Rankine - Mechanical engineering - 1882 - 722 pages
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A Course on the Stresses in Bridge and Roof Trusses, Arched Ribs and ...

William Hubert Burr - Bridges - 1883 - 444 pages
...not because n necessarily equals «'. In discussing the stability of position of masonry towers, let the distance of the centre of pressure from the centre of figure of the section of the pier be denoted by q. If this latter does not exceed q (the limit of safety for q'},...
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Useful rules and tables relating to mensuration, engineering, structures and ...

William John Macquorn Rankine - 1883 - 452 pages
...rectangle; so that if t be its thickness at the base, nwbht is its weight ; q, the ratio which the deviation of the centre of pressure from the centre of figure of the base is to bear to the thickness at the base. (See Rule XIV.) T, the ratio which the horizontal deviation...
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A Course on the Stresses in Bridge and Roof Trusses: Arched Ribs and ...

William Hubert Burr - Strains and stresses - 1886 - 504 pages
...not because a necessarily equals a'. In discussing the stability of position of masonry towers, let the distance of the centre of pressure from the centre of figure of the section of the pier be denoted by q. If this latter does not exceed q (the limit of safety for q"),...
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