 | Colin Macfarquhar, George Gleig - 1797 - Počet stránok 452
...tranfverfely. When a pillar of wood ¡3 overloaded, it fwella out, and fmall crevices appear in the dircdion of the fibres. After this it will not bear half of the load. This the carpenter* call CRIPPLING ; arid a knowledge of the ci rcumft anees which. modify it is of great importance,... | |
 | Thomas Martin (civil engineer.) - 1813 - Počet stránok 714
...addition of force is afterwards sufficient to increase the dilatation in the same degree. For instance, when a pillar of wood is overloaded, it swells out,...the fibres. After this, it will not bear half of the previous load. 5th, That the forces connecting the particles composing tangible or solid bodies, are... | |
 | John Robison, James Watt - 1822 - Počet stránok 758
...see on reflection, that since the compression in one direction causes the body to bulge out in the transverse direction, and since this bulging out is...very paradoxical appearances, as will be shown by and bye. This partial disuniting of particles formerly cohering is, •we imagine, the chief reason why... | |
 | John Robison, James Watt - 1822 - Počet stránok 768
...perfect uniformity with this conception of things. When we press a bit of dryish clay, it swells oat and cracks transversely. When a pillar of wood is...very paradoxical appearances, as will be shown by and bye. This partial disuniting of particles formerly cohering is, we imagine, the chief reason why the... | |
 | Charles Frederick Partington - 1825 - Počet stránok 342
...addition of force is afterwards sufficient to increase the dilatation in the same degree. For instance,' when a pillar of wood is overloaded, it swells out,...the fibres. After this, it will not bear half of the previous load. Fifthly. That the forces connecting the particles composing tangible or solid bodies,... | |
 | Thomas Curtis - 1829 - Počet stránok 809
...addition of force is afterwards sufficient to increase the dilatation in the same degree. For instance, when a pillar of wood is overloaded, it swells out,...the fibres. After this, it will not bear half of the previous load. Fifthly. That the forces connecting the particles composing tangible or solid bodies,... | |
 | Thomas Curtis (of Grove house sch, Islington) - 1839 - Počet stránok 836
...addition of force is afterwards sufficient to increase the dilatation in the same degree. For instance, when a pillar of wood is overloaded, it swells out, and small crevkes appear in the direction of the fibres. After this, it will not bear half of the previous load.... | |
| |
... in the transverse direction, and since this bulging out is in opposition to the transverse forces of attraction, it must employ some part of the compressing force. And the common appearances are in perfect uniformity with this conception of things.... 