To determine the carbon content of steel and its nature. Concept Introduction: Usually, carbon is the most important commercial steel alloy. By increasing the carbon content, we can increase the hardness and strength. The hardenability can also be increased by increasing the carbon content. This increase in the carbon content of steel has a disadvantage too. It increases the brittleness and reduces the weldability as it has the tendency to form martensite. The type of carbon steel is mild steel which contains approximately 0.05% to 0.25% carbon with up to 0.4% manganese content.

Question

For the tower shown in Figure (2), check the suitability of the proposed piled foundation with the following infiormation: (minimum safety factor against failure is (2). (neglect the group action), (V - 2250 kN, including pile cap weight) and (M 4500 kN.m), the pile group consists of one central the distributed and eight piles circumference of a (6 m) diameter circle ( 45 ) degrees appart}. pile on = 1 m 8 m diameter cap 20 m Figure (2) 10 m M 0.5 m diameter bored pile -30 kPa. y= 19 kN/m² Gs-2,7 Sand Clay

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Question

Chapter 12, Problem 12.67P

Interpretation Introduction

Interpretation:

To determine the carbon content of steel and its nature.

Concept Introduction:

Usually, carbon is the most important commercial steel alloy. By increasing the carbon content, we can increase the hardness and strength. The hardenability can also be increased by increasing the carbon content. This increase in the carbon content of steel has a disadvantage too. It increases the brittleness and reduces the weldability as it has the tendency to form martensite. The type of carbon steel is mild steel which contains approximately 0.05% to 0.25% carbon with up to 0.4% manganese content.

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