Civil Engineering and Economics and Ethics for Professional Engineering ExaminationsHayden Book Company, 1973 - 455 pages |
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Page 29
... stresses must be equal at all times . The influence line for member L , Lg is similar , with the 1,094 - lb tensile stress at panel point L7 . Since L6L , and L , L , are the only horizontal members at panel point L ,, their stresses ...
... stresses must be equal at all times . The influence line for member L , Lg is similar , with the 1,094 - lb tensile stress at panel point L7 . Since L6L , and L , L , are the only horizontal members at panel point L ,, their stresses ...
Page 30
... tensile stress in member L2L3 is 3/4 x 1,000 lb ( R1 ) × 50 ft L2L3 = 1,500 lb L2L3 x 25 ft = 0 The influence line for member L , L6 is similar , with the 1,500 - lb tensile stress at panel point L6 . ( b ) Determine the maximum tensile ...
... tensile stress in member L2L3 is 3/4 x 1,000 lb ( R1 ) × 50 ft L2L3 = 1,500 lb L2L3 x 25 ft = 0 The influence line for member L , L6 is similar , with the 1,500 - lb tensile stress at panel point L6 . ( b ) Determine the maximum tensile ...
Page 44
... Stress = 176,240 lb , compression ; try two 10 in . x 10 in . members . Length of member = 10 ft , or 120 in ... tensile stress , t = 1,600 psi Actual t = 170,510 lb / ( 2 x 7.5 in . x 7.5 in . ) = 1,516 psi , which is less than 1,600 ...
... Stress = 176,240 lb , compression ; try two 10 in . x 10 in . members . Length of member = 10 ft , or 120 in ... tensile stress , t = 1,600 psi Actual t = 170,510 lb / ( 2 x 7.5 in . x 7.5 in . ) = 1,516 psi , which is less than 1,600 ...
Contents
Structural Engineering and Design | 6 |
Geology Soil Mechanics and Foundations | 86 |
Preliminary Surveying and Triangulation | 147 |
Copyright | |
12 other sections not shown
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angle annual cost ASTM base beam bending moment bottom bridge Building Code cement chlorine City Building Code column compression Compute concentrated load construction cross-sectional area cu ft depreciation depth Determine earth pressure elevation engineering equals equivalent annual cost excavation factor of safety FIGURE flange flow footing ft Answer ft x ft-lb ft/sec girder GROUND SURFACE head loss horizontal income investment joints lb per ft lb per sq lb/cu ft lb/ft length maximum allowable McGraw-Hill Book method minimum P₁ panel point percent pier piles pipe plate procedures pump R₁ reinforced concrete reinforced-concrete reinforcing steel reservoir rivets rock salvage value serial designation sewage sewer shearing stress shown sludge soil reaction Solution span sq ft statically indeterminate Station stress in member structure subgrade supports Taking moments tank tensile stress tension thick timber truss tunnel volume wall weight Wiley & Sons York City Building