# compression member

## Influence Lines for Trusses

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## Problem 001-mm | Method of Members

**Problem 001-mm**

The structure shown in Fig F-001(MM) is pinned together at points A, B, and C and held in equilibrium by the cable CD. A load of 12,000 lb is acting at the midpoint of member AB, and a load of 8000 lb is applied at point C. Determine the reaction at A, the internal force in member BC, and the tension on cable CD.

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## Problem 001-mj | Method of Joints

**Problem**

Find the force acting in all members of the truss shown in Figure T-01.

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## Analysis of Structures

There are many kinds of structure. This section will limit to those that are pin-connected. Two types of pin-connected structures will be covered here; *pin-connected trusses* and *pin-connected frames*. In the actual structure, the joints may be welded, riveted, or bolted to a gusset plate at the joint. However as long as the center-line of the member coincide at the joint, the assumption of a pinned joint maybe used.

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## Problem 309 | Equilibrium of Concurrent Force System

**Problem 309**

A cylinder weighing 400 lb is held against a smooth incline by means of the weightless rod AB in Fig. P-309. Determine the forces P and N exerted on the cylinder by the rod and the incline.

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## Problem 308 | Equilibrium of Concurrent Force System

**Problem 308**

The cable and boom shown in Fig. P-308 support a load of 600 lb. Determine the tensile force T in the cable and the compressive for C in the boom.

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## 255 Equivalent loads to a compression member with eccentric load

**Problem 255**

A short compression member carries an eccentric load P = 200 lb situated 2 in. from the axis of the member, as shown in Fig. P-225. In strength of materials it is learned that the internal stresses are determined from the equivalent axial load and couple into which P may be resolved. Determine the equivalent axial load and couple.