Basic Theory of Plates and Elastic Stability - Part 29 pot

... axial load, in-plane bending, and out -of- plane bending appear as Figures 29. 5 through 29. 9. Note that for axial load, separate charts are given for K- connections, T/Y connections, andX connections, ... al. 1984. Canadian Implementation of CIDECT Monograph 6, IIW Doc. XV-E- 8 4-0 72. [11] Paul, J.C. 1992. The Ultimate Behavior of Multiplanar TT- and KK-Joints Made of Circula...

Ngày tải lên: 22/07/2014, 18:22

... moment of inertia of the bottom chord by the parallel-axis value of A f × d 2 f ,where A f designates the area of the bottom flange of the stub and d f is the distance between the centroids of the ... for Q n , the left-hand side reflects the ultimate limit state of shear yield failure of the connector; the right-hand side gives the ultimate limit state of tension fracture...

Ngày tải lên: 22/07/2014, 18:22

... plate thickness of 1/2 in. or less and 15 ft-lb at −20 ◦ F for thicker plates. Likewise, high strength anchor bolts made of ASTM A61 5-8 7 Gr.75 steel should have a minimum Charpy V-notch of 15 ft-lbs at −20 ◦ F. Corrosion ... at the edge of the right -of- way than horizontal configurations, and delta configurations will have the lowest single-circuit field strengths and a doubl...

Ngày tải lên: 22/07/2014, 18:22

... following the provisions of applicable codes and standards. The design of the mixture should reflect the conditions for placement of the concrete and the external and internal environment of the tower. The ... occurrence of failures in c  1999 by CRC Press LLC FIGURE 14.11: Surface roughness k/a and maximum side-suction. of q(z) includes some dynamic portion, such as the f...

Ngày tải lên: 22/07/2014, 18:22

... =spacing of fasteners within a row; (EA) m and (EA) s =axial stiffness of the main and side member, respectively; R EA =ratio of the smaller of (EA) m and (EA) s to the larger of (EA) m and (EA) s . ... The NDS® offers no recommendations for vibrations either. 9.13.4 Non-Structural Performance Often out of the control of the structural designer, the misconstruction and...

Ngày tải lên: 22/07/2014, 18:22

... [7] on the basis of the thickness of web element, design yield stress, the bend radius- to-thickness ratio, the depth-to-thickness ratio, the bearing length-to-thickness ratio, and the angle between ... Lt, and the moment of inertia of the section is I = I  t,whereL is the total length of all line elements and I  is the moment of inertia of the centerline of the steel...

Ngày tải lên: 22/07/2014, 18:22

... tion of water, specific gravity, moisture content, and amount of grading of undersize. Slump and unit weight tests should be performed often to ensure uniformity of the mix. During placing and ... systems. The yield-line theory is a limit analysis method devised for slab design. Compared to elastic theory, the yield-line theory gives a more realistic representation of t...

Ngày tải lên: 22/07/2014, 18:22

... for a handy book of practical and applied civil engineering formulas. Sources for the formulas presented here include the var- ious regulatory and industry groups in the field of civil engi- neering, ... 149 Modulus of Elasticity of Concrete / 150 Tensile Strength of Concrete / 151 Reinforcing Steel / 151 Continuous Beams and One-Way Slabs / 151 Design Methods for Beams, Column...

Ngày tải lên: 22/07/2014, 18:22

... lengths of 45 m, 75 m (between Pier 149 and 150), and 45 m. Pier 149 is a 10-m tall × 3.5-m square, reinforced-concrete, single-column bent supported on a 12-m square pile cap. Pier 150 is a 9.1-m ... long, two-level structure with a cast-in-place, reinforced-concrete, box-girder super- structure with spans of 68 to 90 ft. The substructure was multi-column bents with many different co...

Ngày tải lên: 22/07/2014, 18:22

... the types ofgeometric imperfectionsare out -of- straightness andout -of- c  1999 by CRC Press LLC FIGURE 28 .29: Top and seat angle connection details. FIGURE 28.30: Comparison of moment-rotation ... bolt) d = depthofbeam l a = length of web angle t a = thickness of web angle k a = k value of web angle g a = gauge of web angle Note: (1) Top- and seat-angle connections need lin...

Ngày tải lên: 22/07/2014, 18:22