The design of tall buildings ETABS tutorial 2

... stiffness for the mat grillages. Lecture #10 The Design of Mat Foundations - Compensated mats - Rigid mats - Semi-rigid mats Step 5. Find The Bending Moment Distribution Along E Step 5. Find The Bending ... 119 pcf Example 4. Design the steel lying in the East-West direction of the mat shown below with external dimensions of 42 feet by 74 feet. The colum...

Ngày tải lên: 16/10/2012, 10:43

... accuracy of the workpiece mainly depend on the axial rigidity of the spindle headstock and of the rotary table. Therefore, the rigidity of the thrust bear- ings is especially important. To increase the ... on the roll- ing bearing aspects of the applications. The operation of the machine allows conclusions to be drawn about the operating conditions which...

Ngày tải lên: 25/12/2013, 05:17

... pres- sure in the rolling contact area of the bearing is rela- tively low (p 0 ≤ 2,000 N/mm 2 ), and the bearings are failsafe. Consequently, the service life of the bearings is dictated by the grease ... kN; the bearings are vertically arranged. Bearing selection The axial load of 130 kN is made up of the weight of the rotor and the two variable top and...

Ngày tải lên: 25/12/2013, 05:17

... integrated design- manufacturing systems is the incompre- hension of the language of Computer-Aided Manufacturing (CAM) systems by the Computer-Aided Design (CAD) systems. The CAD systems were initially ... interact with the system. Ranking of Redesign Alternatives Another area requiring research attention in the context of generation of redesign soluti...

Ngày tải lên: 19/01/2014, 18:20

... know the prices of chemicals in the various markets and the operating costs of processes, the problem is then to decide the operating level of each process and amount of each chemical in the list ... assumed that the production rate (r ijt ) of the main product j of each such scheme is proportional to the capacity of the plant. where M i denotes the index...

Ngày tải lên: 19/01/2014, 18:20

... arranged. Bearing selection The axial load of 130 kN is made up of the weight of the rotor and the two variable top and bottom fan im- pellers as well as the thrust of these fan impellers. They are ... grease, sufficient for the bearing service life. There is an additional rubbing-type seal at the drum side. The Design of Rolling Bearing Mountings PDF 1/...

Ngày tải lên: 23/01/2014, 04:20

... common: rolling bearings. For this reason the brief texts concentrate on the roll- ing bearing aspects of the applications. The operation of the machine allows conclusions to be drawn about the operating ... arrangement. The bearings of the UL universal design are lightly pre- loaded by clamping the inner rings axially. The bearing pair is suitable for high s...

Ngày tải lên: 23/01/2014, 04:20

... individuals. The lack of a unified theory of ecology” and the existence instead of a fragmented body of “ecological theory is evidenced by the relative use of these two terms in the scientific ... alternative to the theory of evolution”for explaining the diversity of life on Earth and the ex- istence of millions of different species. Opponents of this view...

Ngày tải lên: 25/01/2014, 08:20

... integrated design- manufacturing systems is the incompre- hension of the language of Computer-Aided Manufacturing (CAM) systems by the Computer-Aided Design (CAD) systems. The CAD systems were initially ... Typically, the designer designs a product with minimal knowledge about the capabilities and limitations of the manufacturing technology. The designer...

Ngày tải lên: 25/01/2014, 13:20

... know the prices of chemicals in the various markets and the operating costs of processes, the problem is then to decide the operating level of each process and amount of each chemical in the list ... dispersion of the solution vectors, the approach to restrict the dispersion of the random recourse costs can also be considered. Because the variability of th...

Ngày tải lên: 25/01/2014, 13:20

... Wiley & Sons, Inc. INTRODUCTION TO THE DESIGN OF ELECTRIC MACHINERY 15 616 INTRODUCTION TO THE DESIGN OF ELECTRIC MACHINERY however, no design is better than any of the others in both mass ... between the tooth. Thus w r stR st st = θ (15. 2-31) The width of slot between the base of the tips is taken as the average of the distance...

Ngày tải lên: 16/02/2014, 18:55

... is one of only two major bridges designed by Lutyens. 1 The nature of design 1.1 Design and analysis The origin of the word design is the Latin ‘designare’, to draw. In classical times, the stability ... spans; the need for a family of columns to cater for other bridges forming part of the same project; the architectural context of the bridge. As th...

Ngày tải lên: 18/02/2014, 18:20

... The paper concludes with some discussion of key detailing issues and the role of peer review in performance-based seismic design of tall buildings. THE STRUCTURAL DESIGN OF TALL AND SPECIAL BUILDINGS Struct. ... Angeles Tall Buildings Structural Design Council. 2006. An Alternative Procedure for Seismic Analysis and Design of Tall Buildings L...

Ngày tải lên: 21/07/2014, 20:20

... The Design of Tall Buildings ETABS Tutorial 1 Define New Model Define New Model ã ã Choose Choose NO NO Building ... Preliminary Design Shear Wall Preliminary Design Define 1 Define 1 st st Storey Storey ã ã Choose Choose Grid Only Grid Only Model 1 Storey properly, run analysis, and check for any Model 1 Storey ... be counted as dead load. dead loa...

Ngày tải lên: 24/10/2014, 23:21

... The Design of Tall Buildings ETABS Tutorial 2 Define the Static Load Cases Define the Static Load Cases Create the Wind Load Cases Create the Wind Load Cases Create ... 0.875 0 .25 2 0.875 -0 .25 3 -0.875 0 .25 4 -0.875 -0 .25 5 0.875 0 .25 6 0.875 -0 .25 7 -0.875 0 .25 8 -0.875 -0 .25 3 1 0.75 0.75 2 -0.75 0.75 3 0.75 -0.75 4 -0.75 -0.75 4 1 0.655 0.655 0.1...

Ngày tải lên: 24/10/2014, 23:21