Concrete Engineers' Handbook; Data for the Design and Construction of Plain and Reinforced Concrete Structures

Concrete Engineers' Handbook; Data for the Design and Construction of Plain and Reinforced Concrete Structures

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1918 edition. Excerpt: ...from a maximum bending moment and direct stress; and. secondly, from a maximum deflection of the column together with direct stress. Maximum deflection of the column, and maximum moment in the column occurring from moment introduced into the column from the girder, do not occur simultaneously. Although it is not always true, it is usually the case that the maximum moment, together with the combined stress, will give the greatest fiber stress in the column. It may be necessary to design certain columns for a given static load, or it may be necessary to investigate columns for special loading in a given panel or panels. For that reason the following criteria are given. 80. Interior Columns.--Maximum moments are caused by loading the bay adjacent to the column in question for the full height of the structure, and, where possible, by loading alternate bays in both directions from that bay. The maximum moment will be found in the second-tier columns. The maximum stress in these columns will be found by combining the stress caused by this maximum moment with the axial stress produced by the load on the floors above the first floor. Maximum deflections may be caused in the interior columns by loading spans alternate in all directions. In the case of very slender columns, the deflection may add a moment caused by the direct load to that moment causing the deflection. The stress thus produced, when combined with the dead load and such live load as is transmitted to the column in question will produce the maximum fiber stress for that case of loading. 86. Exterior Columns.--Loading to produce the maximum stress due to moment in the exterior columns is the same as that for interior columns. Likewise the loading causing the maximum deflection in more

Product details

  • Paperback | 356 pages
  • 189 x 246 x 19mm | 635g
  • United States
  • English
  • black & white illustrations
  • 1236842391
  • 9781236842398