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<br />I <br />I <br />~I <br />(a) SQUARE NOSE <br /> <br />L <br /> <br />L <br /> <br />.0 <br />O! <br />I <br /> <br />I <br />arC <br /> <br />(b) ROUND NOSE <br /> <br />(e) CYLINDER <br /> <br />rz <br /> <br />L <br /> <br />~ <br /> <br />I <br />I <br />~D <br />a: <br />-1-- <br />(e) GROUP OF CYLINDERS <br /> <br />L <br /> <br />d <br /> <br />(d) SHARP NOSE <br /> <br />Figure 4.7 Common pier Shapes <br /> <br />0 0 0 0 0 00 00000 <br />0 0 0 0 0 00 00000 <br />0000000 <br />0 0 0 0 0 0000000 <br />0 0 0 0 0 0000000 <br /> 0000000 <br />0 0 0 0 0 0000000 <br /> <br />Figure 4.8 pile Groups <br /> <br />53 <br />