| Title | ABOUT | CONTENTS | GLOSSARY |
| J.A.L. Waddell — INDEX — Bridge Engineering |
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BBabbitt metal, 50, 1779 bearings, 337 Babylon Bridge over the Euphrates, 5, 9 Babylonian arches, 9 Back-checking, 1395 Back-filling, 1864 Backstays, 658 Bags filled with clay and sand for foundations, 973 Bags for cofferdams, 975 Balanced loads on rim-bearing swing spans, reactions for, 690 Baldwin, A. S., 1063 Ballasted floors, 347, 348, 349, 350, 775, 1634 comparison with open deck, 347 effect on impact of, 125 Ball signal, 1801 Banding of arch ribs, 944 Bankers, dealing with, 1596, 1597 introductions to, 1596 rejection of project by, 1597 Banks, caving of, 1059 erosion, 1059 grading, 1059 high, 1090 protection, 1866 sliding of, 1074 Barges, borings, 1097 erection, 1849 erection on, 1076 renewal of spans, 1510 Bar lacing, weight of, 287 Barnett, Robert C., 1169, 1893 Bars, areas of, 799 corrugated, 48 deformed, origin of, 28 reinforcing, 48, 1779 twisted, 48 weights of, 799 Bascule bridges, 663, 664, 700 advantages of, 701 camber for, 753 classification of, 701 comparison of types, 713 comparison with vertical lifts and swings, 1208 details of design, 1697 floors for, 366 history of, 700 locations of American, 716 power for, 1701 types of, 713 Chicago-City-type, 708, 709, 715 Cowing, 712 Montgomery Waddell, 711, 712, 715 roller-bearing type, 701 rolling lift type, 701 Strauss heel-trunnion, 706 Strauss trunnion, 704, 705, 714, 715 trunnion type, 701 Waddell & Harrington, 709, 710, 711 wind loads for, 155 Base castings for pedestals, 456 Base lines, lengths of, 1460 measurements, 1456, 1457, 1458 Base-plates, stresses from eccentric loads, 304-309 Bases, abutments, pressures on, 1030, 1031 counterforted retaining walls, loads on, 1039 pedestals, 1685 piers, enlarging of, 971 piers, piles in, 1050 piers, pressures upon, 964 plate-girder spans. See Shoes. retaining wall, design of, 1036, 1038 Basket-woven mattresses, 1060 Bates, Onward, 1067 for truss members, 1678 Batter, columns, 1684 pedestals, 1028 pier shafts, 1051 sides of caissons, 987 sides of masonry piers, 1021 tower columns, 540 Batter braces, bending on, 1660 Battered piles, 1011 Bauschinger, 18 Beam bridges, prototypes of, 3 Beams, cantilever, 436, 1672 depth of, 836 continuous, deflection of, 230 milling of, 1783 timber, figuring of, 302 varying depth of, 836 Bearing, areas, effective, 1658 masonry, 1657 piles, 1008 pins, intensities for, 264, 323 rivets, intensities for, 264, 325 stresses, 255 Bearing-blocks for swing-span drums, 1694 Bearings, 1728 connections for tower sheaves, 1789 plate-girder spans. See Shoes. tower sheaves, 1722 Beauty, 1153, 1154 Beauty of design, 1151 Beaver Cantilever Bridge, 357, 482, 533, 596, 614, 1179 Bed-rock, drilling into, 1103 leveling of, 1022 sinking piers into, 1026 Beds of rivers, scouring of, 1120 Bells, signal, 1802 Bench marks, 1467 for borings, 1107 Bending moment, criterion for, 164 Bending stresses, 203 chords of trusses, 1660 end posts, inclined, 1660 floor-beams, due to deflection, 206 pins, intensities for, 264, 324, 1658 plates, 331 transverse loads, 205 weight of member, 205, 252, 1660 wire ropes, 311, 1712 Bending tests for steel, 1774 Bends in reinforcement, 963 Bends in rivers, remoteness from, 1090 Benedictine Monks, 11 Bents, solitary, 211 Bernoulli, 14 Bessemer process, origin of, 17 Bessemer steel, 46 Bethlehem special I-beam sections, 460 Bethlehem Steel Company, 1202 Beveled cuts, 328 Beveled sole plates, 1067 Bidders' plant and evidence of experience, 1878 Bidding, adherence to specifications in, 1869 Bidding plans, submission of, 1629 Bids, competitive, 40 integrity of, 1881 rejection of, 1882 Binder for asphalt pavement, 1813 Binder stone for asphalt pavement, 1811 Bitulithic pavement, 370, 1823 Bitumen, determination of, for asphalt, 1819, 1821 Black River Bridge on the Louisiana & Arkansas Railway, 737, 739 Blacksmith work, 1202 Blackwell's Island Bridge, 58, 586, 588, 594 Bland, J. C., 1527 Blasting foundations for caissons, 983 Block (creosoted) pavement, 1806 Blowing caisson, 1001 Blowing out materials from caissons, 1000 Blue-print records, 1403, 1404 Blue-prints, order-form for, 1402, 1403 Blue River Bridge at Kansas City, 986 Boat indicator, 1735 Bob-tailed swing spans, 664 Boca del Rio Bridge, Mexico, 770, 986 Bold-faced type, use of in the specifications, 1742 Boller, Hodge & Baird, 369, 370, 391, 481, 493, 598 Boller's formula for power for swing spans, 689 Bollman, Wendell, 23 Bolsters, 334 Bolts, 1050 anchor, 457, 544, 1053, 1658, 1786 fox, 457, 1786 tap, 1731 turned, 337, 1731, 1785 Bond, 1566, 1877, 1886 Bonded indebtedness, amount of, 1598 Bonding of rails, 356, 1842 Bonds as compensation for engineering work, 1607 guaranteeing of, 1599 price of, 1598 Bonn (Germany) Bridge, 626 Bonus, 1876 Borings, 1093 auger for, 1093 barges for, 1097 bedrock, 1103 bench marks for, 1107 boulders, 1103 clay, 1103 clay puddle for, 1098 cost of making, 1099 derrick for, 1097 drive head for, 1095 equipment for, 1094 gasoline engine for, 1106 instructions to parties, 1100 liability insurance for parties, 1106 location of, 1101, 1106 making of, 1093 necessity for, 1082 number of, 1094, 1101 outfit for, 1095 disposal of, 1107 paying cost of, 1604 pipe, measurements of, 1103 power, 1106 reliability of, 1099 reports, 1107 sand bars, 1105 scaffolding for, 1104 scows for, 1097, 1104 skiff for, 1105 tools, shipping back of, 1105 wash, 1093 watchman for, 1105 Bosses, 337 Boston & Providence Railroad Bridge failure, 1541, 1542 Bottom-chord I with web plate, 495 lap-splice (tension), 512-517 sections. See Truss members. Bottom lateral systems, 398, 404 Bottom velocity, 1120 Boulders, 994 encountering in borings, 1103 sinking caissons through, 992 Bouscaren, Louis F. G., 25, 29 Box compression chords, 285 Box sections, 498 Boxed spaces, 278 Braced-rib arches, 636 Braced steel piers and towers, 1026 Bracing, 30 cantilever brackets, 382 cribs and caissons, 1049 cylinder piers, 1026, 1055, 1056 portals, 293 stringer, 294 towers in trestles, 539 Bracing frames, 394 multiple track structures, 277 Brackets, 1673 cantilever, temporary omission of, 1073 corner, 340 drum, 1693 stringer, 376 temporary omission of, 1204 Braked-train thrust, detailing for, 283, 284 Brakes, electric, 1705 hand, 1704 solenoid, 1703, 1797 Breaking of floors, 374 Breaking of track, 357 Breithaupt, W. H., 662 Bribing, 1623 Brick, 54 paving, 370, 1825-1835 grout filler for, 1833 maintenance of, 1835 rolling of, 1832 weight of, 95 piers, 1022, 1861 testing, 1826-1831 Bridges, bascule, 700 bill, 1138 building, future of, 35 cantilever, American, origin of, 25 cantilever, longest spans of, 25 cast-iron, 16 construction, ordinary materials of, 45 designing, American, evolution of, 29 designing by manufacturers, 37 definition of, 534 engineer, consulting, 39 duty of, to his contractors, 1630 expert, 39 responsibility of, 1611 value of services of, 37 engineering, American, development of, 19 business features of, 1606 corps for railway, 41 dawn of, 1 ethics of, 1619 evolution of, 1-35 fees, 1601 specialty of, 36 status of, 1602 erection, designing for, 334 examination, 1514 examination, charges for, 1519, 1520 failures, 37, 1539-1547, 1626, 1627 causes of, 1540 lessons of, 1539 tabulation of, 1539, 1540 high and low, comparison of, 663 inspection, 1514 frequency of, 1514 instructions for, 1520, 1521 proper, 1515, 1516 iron railroad, origin of, 16 lattice, 17 locating of, 1088 long-span American, origin of, 24 low and high, comparison of, 663 machinery, 336 materials, development of, 16 pin-connected, origin of, 23 projects, classifications of, 1592 projects, promotion of, 1591 reinforced-concrete, 783 repairing, 1519 specialist, 36 ideal, 43 interference with, 42 specifications, printed, first, 29 steel, life of, 37 suspension, 647 wooden, 772 Bridging navigable waters, requirements of the United States Government for, 1137 Brittle zone in nickel steel, 61 Broken stone or gravel specifications for, 1851 testing, 1470 weight of, 96 Bronze, 50 bushings, 337, 1777 Brooming of piles, 1018 Brothers of the Bridge, 11 Brush, 53 Bruyére, 11 Bryan, C. W., 89 Buchanan Junction Bridge failure, 1545 Buck, L. L., 27 Buck, R. S., 633 Bucket dredges, 992 Buckled plates, 47 Buda Pesth Bridge, 659 designs, 1178 Buel, A. W., 596 Buffers, 1724 Building up of caissons, 1001 Built channels, 495 Built members, 1784 Built shoes, 533 Bulkley River Bridge, B. C., 3, 4, 5 Bullock Pen Viaduct, 27 Burkli-Ziegler's formula, 1115 Burr, Prof. William H., 617, 650, 654, 658 Burr truss, 19 Burrard Inlet Bridge at Vancouver, B. C., 343 Bushings, 1729 bronze, 337, 1777 Business features of bridge engineering, 1606 |