INSTRUCTION: Summarize and clean up the the following text from OCR scan. Use only complete sentences. Do not include markup. TEXT: '/ \n-\n-\n.0.6 \n.9 \n8 \n8 \n.5.2 \n.9 \n7 \n7 \n7\n1 \n2 \n2\nFor single uprights,\nAu\nA.0 \nAeU \n(1-24)\nl+ (-e \n)\nP. /\nwhere p is the radius of gyration of the stiffener and e is the distance from\nthe centroid of the stiffener to the center of the web. \nIf the upright itself\nhas a very deep web, NAME_1, should be taken to be the sum of the cross-\nsectional area of the attached leg and an area 1Z tu 2 (i. e. , the effective\nwidth of the outstanding leg is 12 times t.).\nThe properties of standard extruded angles commonly used as\nuprights may be obtained from Table 1-6.\n1.3. 3. 3 \nDesign Criteria for the Uprights of a Partial Tension Field Beam\nThe uprights or web stiffeners of a partial tension field beam must\nhave a sufficient moment of inertia to prevent buckling of the web system as a\nwhole before formation of the tension field, as well as to prevent column\nfailure under the loads imposed on the upright by the tension field. \nThe up-\nright must also be thick enough to prevent forced crippling failure caused by\nthe waves of the buckled web. \nThis forced crippling failure is almost always\nthe most critical.\n1. 3. 3. 4 \nMoment of Inertia of the Uprights of a Partial Tension Field Beam\nThe required moment of inertia of the upright about its base (the\nsurface attached to the web) is given in Figure 1-21 as a function of ht 3 and\nd/h.. These curves are essentially derived by equating the critical buckling\nstress of the sheet between the stiffeners to the general instability stress of\nthe web as a whole.\n1. 3. 3. 5 \nComputed Stresses in the Uprights of a Partial Tension Field Beam\nThe lengthwise average stress in the upright at the surface of\nattachment to the web, f, \nmay be obtained from Figure 1-ZZ as a function\nof k, A,. /td, and f, as\nf \n= f,(fU/f ) \n(1-25)\nThe upright stress varies from a maximum at the neutral axis of the beam\nto a minimum at the ends of the upright. \nThe maximum stress, fu,,x , may\nbe obtained from Figure 1-2Z as a function of k, d/h, and fu as\nfiMaX \n= fo(fo \n(1-26)\n1 -\n30\nTABLE 1-6\nProperties of Standard Extruded Uprights\n[ \nAngie -\nUrequal Leg, \nExtruc"\nA \nYB \ntAPO \n1 \n;0-1-\nA \ni-ta \n.62'.\nSUMMARY: Write your response with exactly 3 paragraphs, separated with the markdown divider: ***.
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