A Treatise on Civil EngineeringJ. Wiley & Son, 1873 - 513 pages |
From inside the book
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Page 60
... concrete is found to expand about three - eighths of an inch in height , for every foot of the mass in depth . 157. The use of concrete is at present mostly restricted to forming a solid bed , in bad soils , for the foundations of edi ...
... concrete is found to expand about three - eighths of an inch in height , for every foot of the mass in depth . 157. The use of concrete is at present mostly restricted to forming a solid bed , in bad soils , for the foundations of edi ...
Page 61
... concrete used upon some others of our public works , the broken fragments of granite were in bulk about 1 that of the hydraulic mortar . Besides this , other ... concrete rammed well in around it ; ordinary brick being CONCRETE . 61.
... concrete used upon some others of our public works , the broken fragments of granite were in bulk about 1 that of the hydraulic mortar . Besides this , other ... concrete rammed well in around it ; ordinary brick being CONCRETE . 61.
Page 62
... concrete , the proportions used were one part in volume of lime , one fourth of one volume of hydraulic cement , to five volumes of sand . It is stated that in six or eight hours after beginning a given length of sewer the centres can ...
... concrete , the proportions used were one part in volume of lime , one fourth of one volume of hydraulic cement , to five volumes of sand . It is stated that in six or eight hours after beginning a given length of sewer the centres can ...
Page 63
... concrete may be passed through the mill a second time . 165. The concrete when laid or moulded is put in in suc- cessive layers , from one to three inches in thickness , and packed moderately by hand with pestles weighing from fif- teen ...
... concrete may be passed through the mill a second time . 165. The concrete when laid or moulded is put in in suc- cessive layers , from one to three inches in thickness , and packed moderately by hand with pestles weighing from fif- teen ...
Page 65
... United States . It is not known that stone suit- able for it exists here . 173. The heavy slow - setting Portland cements , natural or artificial , are the only ones suitable for béton aggloméré 5 CONCRETE . 65 168-182 Béton Aggloméré.
... United States . It is not known that stone suit- able for it exists here . 173. The heavy slow - setting Portland cements , natural or artificial , are the only ones suitable for béton aggloméré 5 CONCRETE . 65 168-182 Béton Aggloméré.
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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.