A Treatise on Civil EngineeringJ. Wiley & Son, 1873 - 513 pages |
From inside the book
Results 1-5 of 77
Page 23
... its hydraulic properties . To arrive at this con- clusion , a small portion of the stone to be tested - about five drachms is taken and reduced to a powder ; this is placed in a capsule , or an ordinary watch crystal , LIMES . 23.
... its hydraulic properties . To arrive at this con- clusion , a small portion of the stone to be tested - about five drachms is taken and reduced to a powder ; this is placed in a capsule , or an ordinary watch crystal , LIMES . 23.
Page 25
... placed on the bottom of an ordinary tumbler , care being taken to make the diameter of the cake the same as that of the tumbler . The vessel is filled with water , and the time of immersion noted . If the lime is only moderately ...
... placed on the bottom of an ordinary tumbler , care being taken to make the diameter of the cake the same as that of the tumbler . The vessel is filled with water , and the time of immersion noted . If the lime is only moderately ...
Page 27
... placed in the kiln , is wrong ; as a large portion of the heat is consumed in converting the water in both cases into vapor . Coal is a more economical fuel than wood , and is therefore generally preferred to it ; but it requires ...
... placed in the kiln , is wrong ; as a large portion of the heat is consumed in converting the water in both cases into vapor . Coal is a more economical fuel than wood , and is therefore generally preferred to it ; but it requires ...
Page 28
... placed up endwise around the dome . The stone is placed over and around the courses which form the dome , the largest blocks in the centre of the kiln . The management of the fire is a matter of experiment . For the first eight or ten ...
... placed up endwise around the dome . The stone is placed over and around the courses which form the dome , the largest blocks in the centre of the kiln . The management of the fire is a matter of experiment . For the first eight or ten ...
Page 31
... placed 18 inches below the grate ; and at the entrance of the ash - pit is placed a reservoir for water , about 18 inches in depth , to furnish an aqueous current . The draft through the grate is regulated by a lateral air channel to ...
... placed 18 inches below the grate ; and at the entrance of the ash - pit is placed a reservoir for water , about 18 inches in depth , to furnish an aqueous current . The draft through the grate is regulated by a lateral air channel to ...
Contents
99 | |
104 | |
121 | |
154 | |
163 | |
172 | |
183 | |
188 | |
190 | |
208 | |
211 | |
231 | |
236 | |
263 | |
274 | |
279 | |
325 | |
331 | |
332 | |
334 | |
337 | |
338 | |
339 | |
344 | |
347 | |
349 | |
350 | |
354 | |
357 | |
359 | |
360 | |
361 | |
362 | |
363 | |
364 | |
365 | |
366 | |
381 | |
384 | |
385 | |
391 | |
392 | |
393 | |
394 | |
396 | |
397 | |
398 | |
399 | |
400 | |
402 | |
403 | |
405 | |
407 | |
408 | |
411 | |
416 | |
419 | |
420 | |
423 | |
425 | |
427 | |
429 | |
430 | |
433 | |
434 | |
435 | |
436 | |
438 | |
439 | |
442 | |
467 | |
494 | |
504 | |
Other editions - View all
Common terms and phrases
abutments action arch arranged artificial axis bars beam béton blocks bolts bottom breaking strain brick bridge caisson calcined carbonic carbonic acid cast iron centre chains chord clay common lime compression concrete connected construction cross curved cylinder deflection depth diagonal diameter durability embankment engineer experiments exterior feet flanch foundation fracture give hard heat Hodgkinson horizontal hot blast hydraulic cement hydraulic lime immersion joints kiln laid layer length limestones lower magnesia masonry mastic material ments metal mortar ordinary pieces piers pillars placed plates portion Portland cement pressure proportion puzzolana rails resistance ribs roadway Roman cement sand sheeting piles side slaked sleepers soffit soil solid span specific gravity spikes square inch steel strength structure struts suitable surface tensile tensile strength termed thickness timber tion transverse strain truss tube upper usually vertical voussoirs wall weight wire wrought iron yield
Popular passages
Page 136 - ... elasticity ; and judging from its slow increase afterwards, I was persuaded that it had not come on by a sudden change, but had existed, though in a less degree, from a very early period.
Page 419 - ... long. The fascines are laid in alternate layers crosswise and lengthwise, and the layers are either connected by pickets, or else the withes, with which the fascines are bound, are cut to allow the brushwood to form a uniform and compact bed. This method of securing a good bed for structures on a weak wet soil has been long practised in Holland, and experience has fully tested its excellence.
Page 175 - For the coping and top courses of a wall, the same objections do not apply to excess in length : but this excess may, on the contrary, prove favorable ; because the number of top joints being thus diminished, the mass beneath the coping will be better protected, being exposed only at the joints, which cannot be made water-tight, owing to the mortar being crushed by the expansion of the blocks in warm weather, and, when they contract, being washed out by the rain.