What is DSS Compensating Control Assignment

Assignment Task

1. Determine the strength and efficiency of the lap joint shown in the figure. The bolts are 20mm in diameter and of grade. The two plates to be jointed are J 2- mm and 10 mm thick (steel is of grade Fe 410).

2. Design a double cover butt-joint splice for a tension member of section 2.tnJ x 8' mm using Fe410 steel. Determine the strength and efficiency of the splice connection.

3. Find the safe load-carrying capacity of a column pinned at both ends. The section used for the column member is ISMB40061.6kg/m. The length of the column.

4. A double cover butt joint, is to be provided for connecting two / 2- mm and 2-l> mm thick plates of suitable width in grade Fe410 steel carrying a tensile load of g IJ1} kN. Design the joint using 20mm nominal diameter black bolts of grade for the connection and determine the efficiency.

5. Design a bracket connection to transfer an end reaction of  07) kN due to factored loads as shown in the figure. The end reaction from the girder acts at an eccentricity of 300mm from the face of the column flange. Design bolted joint connecting the tee flange with the column flange. Steel is grade Fe 410 and bolts of grade r;.)

6. Determine the safe load P that can be carried by the joint shown in the figure. The bolts used are 2. LJ mm diameter of grade 4, The thickness of the flange of I sections is 9.1mm and that of bracket plate I(} mm.

7. A tie member consisting of an ISA gc, mm x; ~ mm x g mm (Fe 410grade steel) is welded to 1.2. mm, thick gusset plate at the site. Design welds to transmit load equal to the design strength of the member.

8. A tie-heavy bridge consisting of ISMC30035.8kg/m in Fe410 grade steel is to be connected in the field to mm-thick gusset plate through its web using fillet welds. Design a welded connection when the overlap length is limited to 250mm.

9. A bolted bracket connection consists of to a column range J ner ISWB300 column. Each plate upload connection consists of a column rang concentrated sign the bracket connection The lied connection an shown in Fige ro bracket plate at an eccentric city mm plates are in Fe410 grade steel.

10. A bracket plate JO mm thick is used to transmit a reaction of UD kN at an eccentric/ of 100mm from the column flange as shown in the figure. Design the weld.

11. Design a hanger joint along with an end plate of Fe410 grade struct ura l steel t o carry a load of lf tf1) kN. The end plate is to be connected to a 4 to mm wide bottom flange of the built-up beam with four grade 8.8 HSFG bolts.

12. Design an I() m long tension member subjected to a factored tensile load of I 2.-5' 6 kN (due to gravity load). The section should 2onsist of 2 channels facing each other. The role channels ISMC300358N/m only are available. Assuming the channels to be weakened by one bolt hole only, check the adequacy of the section. The design also plates on flange if required. Use Fe410 grade of steel. The bolts used are of grade 4,1 and 16mm diameter.

13. Design long single-angle tension member to support a dead tensile working load of I g D kN and a live tensile working load of 11 'S" kN. The member is to be connected to the gusset plate through one leg with 20mm diameter bolts (at least four in a line 70mm center to center). The slenderness ratio should not exceed 300. The structural steel I of the grade E250 (410-S) as per the IS:226-1975.

14. Design a splice for joining tension member section 160mm x It> mm and 250mm x 10 mm. The member is subjected to a factored tensile load of  Assume Fe 410 grade of steel. Provide 20mm diameter bolts of grade f, for making the connections.

15. Design a battened column with two channels back-to-back of length to carry an axial factored load of The column is restrained in position but not in direction at both ends.

16. Design a laced column with two channels front to front of length 6m to carry an axial factored load of 700 KN. The column is restrained in position but not in direction at both ends.

17. A bracket plate attached to a column flange by two side fillet welds is used to transfer the factored vertical reaction of a beam of 80 KN as shown in the figure. Determine the size of the weld required to resist the load.

18. BRAC.ket plate I, welded to the flange of a column ISHB200 as shown in the figure below. The weld group is subject:c.tcd to in-plane loading at a distance of /J 6 mm from the face of the.

19. For the connection as shown below, four bolts of grade with threads in the shear plane to connect an ISF lO0xl0 mm with gusset plate is used in connection. Determine the strength of the joint if, (a) Slip is not permitted at ultimate load, and (b) Slip is permitted at service load. Block shear strength need not be considered. (All dimensions are in mm)

20. An ISA 125 x 95 x 10 mm thick steel angle tie is to be connected by its top and bottom edges only to a 10mm thick gusset plate using  a- mm size fillet weld as shown in the figure below. The yield and ultimate tensile strength of steel and weld are 250 Mpa and 410 Mpa. The welding is done at the workshop. What are the possible combinations of top and bottom weld length?

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