# Compression Member

## Problem 920 | Additional Centroidal Load to Eliminate Tensile Stress Anywhere Over the Cross Section

**Problem 920**

A compressive load *P* = 100 kN is applied, as shown in Fig. 9-8a, at a point 70 mm to the left and 30 mm above the centroid of a rectangular section for which *h* = 300 mm and *b* = 250 mm. What additional load, acting normal to the cross section at its centroid, will eliminate tensile stress anywhere over the cross section?

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## Problem 919 | Additional Axial Compression Load for the Section to Carry No Tensile Stress

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## Problem 918 | Stress at Each Corner of Eccentrically Loaded Rectangular Section

**Problem 918**

A compressive load *P* = 12 kips is applied, as in Fig. 9-8a, at a point 1 in. to the right and 2 in. above the centroid of a rectangular section for which *h* = 10 in. and *b* = 6 in. Compute the stress at each corner and the location of the neutral axis. Illustrate the answers with a sketch.

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## Eccentrically Loaded Short Compression Member

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## 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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