Week 1 Challenge

1

1. Write the steps involved to upload a .std file through webmail?

Answer:- The steps involved to upload a .std file through web mails are as follows;

1. Open the STAAD pro software and locate the share option available on the introduction screen.
2. After clicking on the share button, select send mail option.
3. Then, browse for the .Std file on your system & send it.

2. Name the different materials that can be designed using STAAD Pro.

Answer:-

1. Concrete
2. Timber
3. Steel
4. Aluminium
5. Composite sections

3. Is it possible to capture images in STAAD Pro? If yes how?

Answer:- Yes, We can take pictures of models and structural results in STAAD.PRO for that we have to go > utility> take picture

4. Name the three ways by which you can create a model.

Answer:-

1. Analytical model.
2. Physical model.
3. Building planner model.

5. Write the steps followed to assign properties in a model.

Answer:-

1. Go to the properties panel.
2. Click on materials.
3. Select a desired material from the list.
4. Concrete / steel/aluminum / stainless steel etc.
5. Then check the assignment method based on your preference like using cursor / assign to view etc.,
6. After checking, go ahead and assign the material property to your model.

2.

1. Name any six design parameters involved in RCC design.

Answer:-

1. Max main Dia of bar
2. concrete grade
3. Clear cover
4. Fc compressive strength of concrete
5. Fy Tensile Strength of steel
6. Code of practice

2. What are the different cursor types available in STAAD Pro?

Answer:-

1. Nodes cursor
2. Plates cursor
3. Beams cursor
4. Plates and Solid cursor
5. Loads cursor
6. Solids cursor
7. Physical Member cursor
8. Geometry cursor

3. How will you generate different views for a model? State the steps involved.

Answer:- go to View and select the required view.

1. Top view
2. Isometric view
3. Front view
4. Left view
5. Right View
6. Bottom view
7. Back view

4. Explain the procedure to define a “Simply Supported” condition in STAAD Pro?

Answer:-

1. Go to the support command in the tool panel.
2. Click on create support,
3. now, we can see different options like fixed support, pin support, Fixed but, Enforced but support, Cable support, and Inclined support.
4. A simply supported beam is one that rests on two supports and is free to move horizontally. Typical practical applications of simply supported beams with point loadings include bridges, beams in buildings, and beds of machine tools.

5. Name any five topics that you will include while creating DBR.

Answer:- DBR is the Design Brief Report. so basically DBR is a short brief of what you are going to make, why you are going to make it, and where you are going to make it. In short, it is a core detail of our project. So the five topics that will include creating DBR are listed below:

1. Name of the project and the location of the project.
2. Structural Layout.
3. Load & Load combination.
4. Analysis and design methodology
5. Quality Assurance and Quality Control.
6. Budget of the Project.

6. Describe the term “Multi-material design” of STAAD Pro.

Answer:-

1. It is used for 3D model generation, analysis, and multi-material design.
2. The STAAD.Pro supports several steel, concrete, and timber material in a separate member
3. This separate member will coordinate and then formed into a structure

3.

1. Name the structure systems in STAAD Pro. Explain each system.

Answer:-

The structure systems in STAAD Pro software are:

1. Space Frames
2. Plane Frames
3. Trusses
4. Floor

a. SPACE FRAMES:-

So basically the space frames are three-dimensional truss-like structures that are designed to carry loads for longer spans without any intermediate supports. The space frame structures are rigid and lightweight in nature and it is structurally effective. It has low transportation costs.

b. PLANE FRAMES:-

Plane frames are RCC or steel frame structures. It is a two-dimensional structure that is constructed with straight elements which are connected by rigid or hinged connections.

c. TRUSSES:-

Trusses are created by arranging the structural elements in triangle forms which can take loads in both compression and tension.

d. Floor:- A 2D or 3D structure with no horizontal (global X or Z) movement of the structure (FX, FZ, & MY are restrained at every joint). The floor framing of a building is an ideal example of this type of structure. columns can also be modeled with the floor in a floor structure as long as the structure has no horizontal loading. If there is any horizontal loading. it must be analyzed as a space structure.

2. Explain the coordinate system adopted in STAAD Pro software.

Answer:- The coordinates system that is adopted in STAAD Pro software are X, Y, and Z coordinates.

So basically the co-ordinate system adopted in STAAD Pro software is:

1. Global coordinate system:- This coordinate system is a rectangular coordinate system (X, Y, Z) that follows the orthogonal "right hand" rule. This coordinate system may be used to define the joint locations and loading directions.
2. Local coordinate system:- Each member or surface has its own local Cartesian coordinate system which is also oriented using the "right hand" rule. The longitudinal axis of a member is the first axis, with the positive axis taken from the I to the j ends (i.e, Ni and Nj). The second axis is oriented such that the 1-2 plane is then parallel to the global Y axis. The third axis is then normalized to the first and second local axes as defined by the right-hand rule.

As the STAAD Pro software. Basically, it uses a conventional cartesian coordinate system, and in this system Y is a global axis that is in an upward direction. We can say that the height of the building is always parallel to the global Y-axis.

3. Elaborate DBR and its uses.

Answer:- DBR stands for Design Brief Report. DBR is a project management document that consists of various information regarding the construction of the structure. This DBR is a detailed report which tells the minute details of the ongoing construction work. It defines the final stage in the process of defining the Client's requirement for the construction work. This report basically consists of all the major and important structural details that are relevant or we can say that is related to the project like a description of the client, site information, and special requirements.

4. Explain the different types of analysis options in STAAD pro.

Answer:- The different types of analysis options in STAAD.Pro software is listed below:

1. Linear Elastic analysis:- To instruct the program to perform a first-order, linear elastic analysis of the structure.
2. P-Delta analysis:- To instruct the program to perform a second order. Structures subjected to lateral loads often experience secondary forces due to the movement of the point of application of vertical loads. This secondary effect, commonly known as the P-Delta effect, plays an important role in the analysis of the structure.
3. Buckling analysis:- This analysis type is used to calculate the buckling factor for a load case. This is the load case multiplier at which global buckling of the structure would occur for that load case.
4. Pushover analysis:- To instruct the program to perform a pushover analysis. Pushover analysis is a static, nonlinear procedure using the simplified nonlinear technique to estimate seismic structural deformations. It is an incremental static analysis used to determine the force-displacement relationship, or the capacity curve, for a structure or structural element.
5. Nonlinear analysis:- To instruct the program to perform a static, geometric nonlinear analysis of the structure.
6. Direct analysis:- To instruct the program to perform a direct analysis as per AISC 360. This is a non-linear, iterative analysis as the stiffness of the members is dependent upon the forces generated by the load.
7. Nonlinear cable analysis:- Only one primary load case is permitted for a nonlinear cable analysis. A CHANGE command must be used with a new nonlinear cable analysis for each additional primary load case to be analyzed.
8. Imperfection analysis:- This analysis is used when member imperfection specifications are included in the model to define camber or drift.

5. Explain the difference between Fixed and Fixed But conditions.

Answer:-

Fixed condition:- A fixed condition in the STAAD Pro software is the condition where all the degrees of freedom that is horizontal or vertical or moment are fixed or we can say these conditions are restrained we cannot change accordingly. Those conditions we can say are fixed conditions.

Fixed-But condition:- as for the fixed-end condition, we can say that this condition can be customized its end conditions accordingly. In this condition we can change the end condition it is not restrained. We can release some of the required degrees of freedom.

Practical
1. Create a STAAD Model with the following Specification
a. A beam of span 16m
b. Support: Fixed on one end and Roller support(Horizontal) on the other end
c. A point load of 50 kN at the mid-point
d. Draw SFD and BMD using software

PROCEDURE:-

• Draw SFD and BMD

1. Now, go to the post-processing mode>select the load cases>click apply>ok.
2. Then, all the analysis results will be automatically visible on your staad screen.
3. Select beam results>Mz for bending moment>Fy for shear force diagram.
4. Make sure to check the annotate option to view the values along with the diagrams as inserted below:

Shear Force Diagram

Bending Moment Diagram