So tay ket cau (english)

... Photogrammetry / 255 Chapter Soil and Earthwork Formulas 257 Physical Properties of Soils / 258 Index Parameters for Soils / 259 Relationship of Weights and Volumes in Soils / 261 Internal Friction ... Vertical Pressures in Soils / 264 Lateral Pressures in Soils, Forces on Retaining Walls / 265 Lateral Pressure of Cohesionless Soils / 266 Lateral Pressure of Cohesive Soils / 267 Water Pressur...

Ngày tải lên: 31/10/2016, 21:27

... 75 70 50 60 65 70 70–90 80 10 0 95 11 5 90 11 0 85 10 5 90 11 0 90 11 0 65 75 80 90 22 22 19 19 19 18 19 21 18 17 16 — — — — — — — 18 16 15 14 ‫ن‬ 1. 4 SECTION ONE TABLE 1. 1 Specified Minimum Properties ... maximum 11 ⁄4 maximum 11 ⁄4 maximum ‫ن‬ and and 1 5 1 5 1 5 50 46 42 50 46 42 70 67 63 70 67 63 21 21 21 21 21 21 18 18 18 18 — — 1 5 1 5 1 3 1 3 1 5 42...

Ngày tải lên: 18/10/2012, 16:13

... painting, and shipping 2. 10 BUILT-UP SECTIONS These are members made up by a fabricator from two or more standard sections Examples of common built-up sections are shown in Fig 2. 2 Built-up members are ... Society for Protective Coatings, Forty 24 th St., Pittsburgh, PA 1 522 2.) 2. 12 FABRICATION TOLERANCES Variations from theoretical dimensions occur in hot-rolled structural steel be...

Ngày tải lên: 18/10/2012, 16:13

... original force F FIGURE 3. 3 Resolution of a force in three dimensions 3. 3 3. 4 SECTION THREE Fx ϭ F cos ␣x (3. 2a) Fy ϭ F cos ␣y (3. 2b) Fz ϭ F cos ␣z (3. 2c) F ϭ ͙Fx2 ϩ Fy2 ϩ Fz2 (3. 2d ) where ␣x, ␣y, ... F1x ϩ F2x ϩ F3x (3. 3a) Ry ϭ ͚Fy ϭ F1y ϩ F2y ϩ F3y (3. 3b) Rz ϭ ͚Fz ϭ F1z ϩ F2z ϩ F3z (3. 3c) The magnitude of the resultant force R can then be determined from R ϭ ͙Rx2 ϩ Ry2 ϩ Rz2...

Ngày tải lên: 18/10/2012, 16:13

... 648 49 2 2 64 166 320 45 0 544 590 576 49 5 360 189 14, 406 31 59 81 94 95 81 49 152 292 40 8 48 8 520 49 2 392 217 135 261 369 45 0 49 5 49 5 44 1 329 175 12,288 79 152 213 256 275 2 64 217 128 95 1 84 261 320 ... 213 175 329 44 1 49 5 49 5 45 0 369 261 135 768 23 40 45 32 31 56 69 64 38 117 216 279 288 232 128 94 176 2 34 256 2 34 276 94 275 520 705 800 7 84 672...

Ngày tải lên: 18/10/2012, 16:13

... A5.1 or A5 .5 E70 15, E7016, E7018, E7028 E70 1 5- X, E7016-X, E7018-X AWS A5.17 or A5.23§ F7XX-EXXX F7XX-EXX-XX AWS A5.18 ER70S-X A572 grades 60 and 65 AWS A5 .5 E8016-X, E80 1 5- X E8018-X AWS A5.23§ ... E70 15, 16, 18C1L, C2L E8016, 18-C1, C2§ E8016, 18-C3§ E8018-W§ AWS A5 .5 E9018-M AWS A5.17 F6A0-EXXX F7A0-EXXX AWS A5.20 E6XT-1 ,5 E7XT-1 ,5 AWS A5.17 F7A0-EXXX AWS A5.20 E7XT-1 ,5 AW...

Ngày tải lên: 18/10/2012, 16:13

... 49 56 77 42 49 53 56 61 70 98 49 58 63 66 72 84 119 29 35 33 36 38 41 47 64 45 50 53 55 59 66 87 54 61 65 68 73 82 110 63 72 77 80 86 98 133 32 49 67 10 84 12 102 41 63 86 108 131 · 6. 6 SECTION ... ϩ 16 Ϫ 36 ϩ19 Ϫ42 ϩ22 Ϫ49 ϩ 26 Ϫ57 ϩ29 64 ϩ33 Ϫ73 10 ϩ17 Ϫ18 ϩ19 Ϫ20 ϩ24 Ϫ25 ϩ29 Ϫ30 ϩ34 Ϫ 36 ϩ40 Ϫ42 ϩ 46 Ϫ49 ϩ53 Ϫ57 60 64 68 Ϫ73 50 ϩ 16 Ϫ17 ϩ18 Ϫ19 ϩ22 Ϫ23 ϩ 26 Ϫ28 ϩ3...

Ngày tải lên: 18/10/2012, 16:13

... from Eq (7. 10), then is Fcr ϭ ͩ ͪ 0. 877 36 ϭ 11.19 ksi 1.682 From Eqs (7. 6) and (7. 7), the design strength is ␾Pn ϭ 0.85 ϫ 11 .7 ϫ 11.19 ϭ 111.3 kips Ͼ 1 07. 5 kips—OK 7. 9 7. 10 SECTION SEVEN 7. 8 STEEL ... Eqs (7. 6) and (7. 7), is ␾Pn ϭ 0.85 ϫ 5.58 ϫ 21. 17 ϭ 100.4 kips Ͼ 93.6 kips—OK DESIGN OF BUILDING MEMBERS 7. 6 7. 7 COMPARATIVE DESIGNS OF WIDE-FLANGE SECTION WITH AXIAL...

Ngày tải lên: 18/10/2012, 16:13

... should be 8. 34 SECTION EIGHT FIGURE 8. 32 Cable roofs (a) Cable-stayed cantilever roof; (b) single-layer cable-suspended roof; (c) double-layer cable-suspended roof FLOOR AND ROOF SYSTEMS 8. 35 taken ... systems are described in Arts 8. 4 to 8. 7 8. 10 SECTION EIGHT FIGURE 8. 8 Minimum requirements for composite action with concrete-encased steel framing 8. 4 METAL ROOF DECK Ste...

Ngày tải lên: 18/10/2012, 16:13

... LATERAL-FORCE DESIGN FIGURE 9. 9 Hysteretic behavior of three steel frames (a) Moment-resisting frame: (b) concentric braced frame: (c) eccentric braced frame 9. 19 9.20 SECTION NINE FIGURE 9. 9 Continued ... an 9. 6 SECTION NINE TABLE 9. 1 Coefficient Ce for Eq (9. 4) Exposure Height, ft* C D 0–15 20 25 30 40 60 80 100 120 160 200 300 400 1.06 1.13 1. 19 1.23 1.31 1.43 1.53 1.61 1....

Ngày tải lên: 18/10/2012, 16:13

... Eq 10. 50a† 10. 50d 10. 50f 10. 50h Unstiffened flanges Eq Eq Eq Eq 10. 50b 10. 50d 10. 50ƒ 10. 50h Double web shapes (back-to-back C’s or similar) All types of flanges Eq Eq Eq Eq 10. 50c 10. 50e 10. 50g 10. 50i ... singly-, doubly-, and point-symmetric sections is given by Eq 10. 25 These provisions apply to I-, Z-, C-, and other singly-symmetric sections, but not to multiple-web...

Ngày tải lên: 18/10/2012, 16:13

... plastic section modulus Z Figure 11. 4 shows a noncompact section supplying the required section modulus, with a 3⁄8-in-thick web and 15⁄8-in-thick flanges For a compact section, a 5⁄8-in-thick ... BRIDGES 11. 21 TABLE 11. 11 Minimum Required Bolt Tension Required tension, Pt , kips Bolt diameter, in ⁄8 ⁄4 ⁄8 11 8 11 4 13⁄8 11 2 M164 (A325) M253 (A490) 19 28 39 51 56 72 85 104 27...

Ngày tải lên: 18/10/2012, 16:13

... assume a 9-in-thick slab, weight 112 lb / ft2 plus lb / ft2 for the additional thickness of deck concrete in the stay-in-place forms The 9-in-thick slab consists 12. 6 SECTION TWELVE of a 73⁄4-in base ... (Fig 12. 20) Stiffeners See Arts 12. 9.4 to 12. 9.6 Bearings See Arts 12. 9.8 and 12. 9.9 Shear Connectors See Art 12. 2 Deflections See Art 12. 2 Load-Factor Design See Art 12. 5...

Ngày tải lên: 18/10/2012, 16:13

... Thus, for an H -section about the weak axis, in terms of the yield stress, Fy, and section modulus, S, FIGURE 13. 9 Cross section of H-shaped hanger 13. 34 SECTION THIRTEEN TABLE 13. 10 Section Properties ... 11⁄4-in-dia bolt holes, the design area of this web is 86.69 in2 FIGURE 13. 12 Cross section of chord cover-plate splice for example of load-factor design TRUSS BRIDGES...

Ngày tải lên: 18/10/2012, 16:13