kindly do it asap A bridge having a horizontal top cord of 12 mis to span betwee

Question

kindly do it asap

A bridge having a horizontal top cord of 12 mis to span between the two piers A and B as shown in Figure 1. t isrequired that a pin-connected truss be used, consisting of steel members bolted together to steel gusset plates such as the one shown Figure 2 The end supports are assumed to be a pin at A and a roller at B. A vertical loading of 5 kN is to be supported within the middle 3 m of the span. Thisload can be applied in part to several joints on the top cord within this region, or to a single joint at the middle of the top cord. The force of the wind and the weight of the members are to be neglected The vertical distance between points A and B and the top cord isintentionally not provided and must be chosen by you. Assume the maximum tensile force in each member cannot exceed 4 kN; and regardless of the length of the member, the maximum compressive force cannot exceed 2.5 kN. Design the most economical truss that will support theloading. The members cost $3.50/m and the gusset plates cost $8.00 each. The pin at A and the roller at B cost $8 each.

Explanation / Answer

Maximum compressive force of 2.5kN is too less. Provide with the guwsset plate arrangement shown in Fig. 2, it is not possible to restrict the force to 2.5kN. Kindly recheck the question.

Related Questions

Navigate

• Browse (All)
• Browse K
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.