Bridge Engineering, Volumen1John Wiley & Sons, Incorporated, 1916 - 2176 páginas |
Dentro del libro
Resultados 1-5 de 72
Página 1093
... drill point . Also the striking of a large boulder is misleading ; and when this happens one is apt to draw the conclusion that a solid - rock ledge has been encountered . Hence the need for collateral evidence . Several different ...
... drill point . Also the striking of a large boulder is misleading ; and when this happens one is apt to draw the conclusion that a solid - rock ledge has been encountered . Hence the need for collateral evidence . Several different ...
Página 1094
... drill point while it is at the bottom of the hole . This flow of water is supplied by a force pump and is transmitted to the drill point through the small pipe to which the said drill point is attached . From these washings , their ...
... drill point while it is at the bottom of the hole . This flow of water is supplied by a force pump and is transmitted to the drill point through the small pipe to which the said drill point is attached . From these washings , their ...
Página 1095
... drill is stopped and a measurement made of the depth of drill point . This is readily ascertained by counting the number of pieces of pipe , which should , preferably , be of uniform length . A record of this depth and a description of ...
... drill is stopped and a measurement made of the depth of drill point . This is readily ascertained by counting the number of pieces of pipe , which should , preferably , be of uniform length . A record of this depth and a description of ...
Página 1096
... drill bits , F. M. & Co. Catalogue No. 60 , Fig . 615 , page 354 . 1 2 in . expansion bit , F. M. & Co. Catalogue No. 60 , Fig . 610 , page 354 . 1 Taper tap for 1 in . pipe , F. M. & Co. Catalogue No. 60 , Fig . 626 , page 354 , 4 ...
... drill bits , F. M. & Co. Catalogue No. 60 , Fig . 615 , page 354 . 1 2 in . expansion bit , F. M. & Co. Catalogue No. 60 , Fig . 610 , page 354 . 1 Taper tap for 1 in . pipe , F. M. & Co. Catalogue No. 60 , Fig . 626 , page 354 , 4 ...
Página 1097
... drill . Some extra pipe for casing is desirable , because it is not always pos- sible , before moving away from a hole , to pull the entire casing pipe used for a deep boring . Ordinarily a two and a half inch pipe is sufficiently large ...
... drill . Some extra pipe for casing is desirable , because it is not always pos- sible , before moving away from a hole , to pull the entire casing pipe used for a deep boring . Ordinarily a two and a half inch pipe is sufficiently large ...
Términos y frases comunes
abutments angles arch asphalt bars beam bearing bending blocks bolts bracing bridge engineer caisson cantilever Cantilever Bridges cast cement cent centre chords Class Class 40 columns compression members concrete connected construction contract Contractor cost curve dead load depth diagram diameter drawings drill elastic limit erection falsework feet flanges floor system floor-beams foot of span girders hammer highway bridges holes I-Beam inch inspection Inspector iron Joint layout lineal foot live load longitudinal machinery masonry material metalwork method one-half operation panel pedestals piece piers Pile pipe placed plane plate-girder plates Portland cement Pounds per Lineal Pulley railroad rails railway reinforced reinforced concrete river rivets rollers rope shaft span length specifications steel stone stream stresses stringers structure substructure superstructure surface Swing Spans thickness timber tion towers track trestle truss vertical Weight of Metal width
Pasajes populares
Página 1144 - That such structures may be built under authority of the legislature of a State across rivers and other waterways the navigable portions of which lie wholly within the limits of a single State, provided the location and plans thereof are submitted to and approved...
Página 1144 - That the creation of any obstruction, not affirmatively authorized by Congress, to the navigable capacity of any of the waters of the United States is hereby prohibited; and it shall not be lawful to build or commence the building of any wharf, pier, dolphin, boom, weir, breakwater, bulkhead, jetty, or other structure in any port, roadstead, haven, harbor, canal, navigable river, or other water of the United States...
Página 1137 - Those rivers must be regarded as public navigable rivers in law which are navigable in fact. And they are navigable in fact when they are used, or are susceptible of being used, in their ordinary condition, as highways for commerce, over which trade and travel are or may be conducted in the customary modes of trade and travel on water.
Página 1137 - It would be a narrow rule to hold that in this country, unless a river was capable of being navigated by steam or sail vessels, it could not be treated as a public highway. The capability of use by the public for purposes of transportation and commerce affords the true criterion of the 113.
Página 1144 - ... rivers and other waterways the navigable portions of which lie wholly within the limits of a single State, provided the location and plans thereof are submitted to and approved by the Chief of Engineers and by the Secretary of War...
Página 1145 - War, and within the time prescribed by him willfully fail or refuse to remove the same or to comply with the lawful order of the Secretary of War In the premises, such persons, corporation, or association shall be deemed guilty of a misdemeanor, and on conviction thereof shall be punished by a fine not exceeding five thousand dollars, and every month such...
Página 1146 - States for examination of the offense alleged against him, and such commissioner, judge, or court shall proceed in respect thereto as authorized by law in cases of crimes against the United States.
Página 1828 - Name of firm furnishing sample Name of the firm manufacturing sample Street or job which sample represents Brands or marks on the brick Quantity furnished Drying treatment Date received Date tested Length Breadth Thickness Standardization Data Number of charges tested since last inspection...
Página 1826 - ... shall be on the center line both ways and the other two on the longitudinal center line and spaced seven (7) inches from the center each way.