Vitrified Paving Brick: A Review of Present Practice in the Manufacture, Testing and Uses of Vitrified Paving BrickT.A. Randall & Company, 1910 - 121 páginas |
Dentro del libro
Resultados 1-5 de 14
Página 8
... impure fireclay paving brick in 1883 that was so successful as to make this one of the important pioneers of the paving brick industry , from the confidence it inspired ; some of these brick are still in use , although most of them were ...
... impure fireclay paving brick in 1883 that was so successful as to make this one of the important pioneers of the paving brick industry , from the confidence it inspired ; some of these brick are still in use , although most of them were ...
Página 11
... impure fireclay or shale , are always vit- rified , although the latter are usually more thoroughly vitri- fied . To appreciate the correct use of the technical term of vitrified brick , it is desirable to look at the change that oc ...
... impure fireclay or shale , are always vit- rified , although the latter are usually more thoroughly vitri- fied . To appreciate the correct use of the technical term of vitrified brick , it is desirable to look at the change that oc ...
Página 14
... Impure fire and potters ' clays . III . Shales . I. SURFACE CLAYS . - The surface clays are seldom suitable for pavers , although so very extensively employed for building brick . They are usually too siliceous , or con- tain from 60 to ...
... Impure fire and potters ' clays . III . Shales . I. SURFACE CLAYS . - The surface clays are seldom suitable for pavers , although so very extensively employed for building brick . They are usually too siliceous , or con- tain from 60 to ...
Página 15
... IMPURE FIRE AND POTTERS ' CLAYS . - In point of history the impure fire clays * were next used for making pav- ing brick , and for some time were exclusively employed in the important Upper Ohio district ; although they are still quite ...
... IMPURE FIRE AND POTTERS ' CLAYS . - In point of history the impure fire clays * were next used for making pav- ing brick , and for some time were exclusively employed in the important Upper Ohio district ; although they are still quite ...
Página 16
... impure , hard , laminated clay that is known as shale by the geologists . Though only recently used for this purpose , and apparently possessing no plasticity as it lays in thick , stratified beds , it is found to readily work up into a ...
... impure , hard , laminated clay that is known as shale by the geologists . Though only recently used for this purpose , and apparently possessing no plasticity as it lays in thick , stratified beds , it is found to readily work up into a ...
Otras ediciones - Ver todas
VITRIFIED PAVING BRICK A REVIE H. a. (Herbert Allen) B. 1859 Wheeler Sin vista previa disponible - 2016 |
Términos y frases comunes
abrasion absorption asphalt Board of Public Brick Manufacturers brick pavement building brick burning cent City of St clean cobble stone concrete condition contract contractor cost cross-breaking crushing density durable edges engineers factor filler foundation fusible Galesburg Gomer Jones granite gravel greatly grout hard hauled heat heavy horse impact factor impure fire clays inches iron joints kiln marks laid laminations large cities less Louis macadam machine Magnesia marginal curb material ment method mixed mixture mud process Overburned party paving brick plants plastic porosity porous Portland cement pounds Prof Public Improvements range rattler test repairs repressed roller rolling Salt Glazing samples sand cushion Sesquioxide sewers shale pavers shovel shrinkage soft brick sorbed specific gravity square yard standard steam shovel stone blocks stone pavements Streator Street Commissioner strength subgrade surface clays thick tion tough traffic uniform usually vary vitrified brick wear weather weight
Pasajes populares
Página 108 - In testimony whereof, the said parties of the first part have hereunto set their hands and seals the day and year first above written.
Página 102 - ... his servants or agents, in the construction of said work, or by or in consequence of any negligence in guarding the same, or any improper materials used in its construction, or by or on account of any act or omission of the said contractor...
Página 121 - ... the pavement. This mixture, from the moment it touches the brick, shall be thoroughly swept into the joints. Two such boxes shall be provided in case the street is twenty feet or less in width; exceeding twenty feet in width, three boxes should be used. The work of filling should...
Página 118 - After this first passing of the roller the pace may be quickened and the rolling continued until each brick is firmly embedded in the sand cushion.
Página 121 - To avoid the possibility of the thickening at any point, there should be a man with a sprinkling can, the head perforated with small holes, sprinkling gently the surface ahead of the sweepers. Within one-half to three-quarters of an hour after this last coat is" applied and the grout between the joints has fully subsided and the initial set is taking place, the whole surface must be slightly sprinkled and all surplus mixture left on the tops of the brick swept into the joints, bringing them up flush...
Página 104 - Engineer; the time of beginning, rate of progress, and time of completion being essential conditions of this contract; and if the contractor shall fail to complete the work by the time above specified, the sum of per day, for each and every day thereafter, until such completion, shall be deducted from the moneys payable under this contract.
Página 91 - It shall leave by weight a residue of not more than 8 per cent on the No. 100, and not more than 25 per cent on the No. 200 sieve.
Página 121 - ... mixture, one-half inch of sand shall be spread over the whole surface, and in case the work is subjected to a hot summer sun, an occasional sprinkling, sufficient to dampen...
Página 120 - The mixture shall be removed from the box to the street surface with a scoop shovel, all the while being stirred in the box as the same is being thus emptied. The box for this purpose shall be...
Página 108 - ... pay to the proper parties all amounts due for material and labor used and employed in the performance thereof, then this obligation to be void, otherwise of full force and effect. and the same may be sued on at the instance of any material -man, laboring man or mechanic, in the name of the City of St.