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� <br /> � I�ur ;uil n:iils. thc dc>icn tc;t luud shall bc dctcnnincd b�� multipl}�in�s thc bond Icng[h of tl�c n�il timcs the <br /> dcsign luad pullout resistancc (luad transfcr). 'I�ieback desicn test loads shuuld bc thc d�,ien load <br /> I specified on the shorinc dra��ines. Verification test nails/tiebacks shall be incrementall� luad�d and <br /> unlouded in accordance ���ith the follo�cing schedule: <br /> ( Load Hold Time � <br /> Ahgnment Load 1 minute ��I <br /> ._..._. _.____.. __ .._—_ _._ . __. _ —_.._ _____ <br /> 0.25 Design Load(DL) 1 minute <br /> . ...._ ___. .. -----� �--- - -- __ - <br /> ( 0 SDL , ,— 1 minute <br /> I --�- -�- .... . —_ ...._ <br /> 0 SDL 1 minute I <br /> _._._ _.�_ - —._ . _-- �- � <br /> 1.ODL t minute �. <br /> -�-- ---- -- _ _.. _ <br /> � 1 25 DL . . . . . 1 m:nute . � <br /> 1.SDL �� � � 60�mnutes <br /> 1 75 DL 1 minute <br /> ( 2.ODL . . .. .. � . . .. . .10 minutes . .. <br /> 'I�hn alignmcnt lo;�d shall be the minimum load required to ;ili�n dic testin� apparutus .md should not <br /> � c�ceed � pe�cent of thc design load. "Che dial gage should be zerocd aftcr the alignmcnt load is applicd. <br /> � NaiVticback deticctions durin!s !hc I.�DL tcst luad sh.�ll bc rccordcd at I. '_', 3, �. G, 10. '_0, 30, 50 and <br /> GO minutes. <br /> � Proof Tests <br /> Proof tests shall be completed un approsim;nely � percent of the production n:iils a[ loe�rtions sclec[ed by <br /> � the owncr's represcntativc. AdJition;il resting may bc n:quircd �vh�re nnil installution mediods are <br /> substandard. Proof te;ts shall be completcd on cach production tieback. <br /> � Por s'oil nails-, the wibonded b.ngth of the tcst n:iils sh:ill bc at Ir.ist 3 feet unless :tpproved othern�ise b}� <br /> the I:neincrr. l he hond Icneti� uf the te;t nails shall not be less than 10 tcct anu shall not be loneer [han <br /> thc bond Icngth that �vould prcvcnt testing to '_00 percent of die design luud while nut exceeding the <br /> I allowablc bar IoaJ. l'he allu��able bar load din'ine testine shafl not exceed 30 percent of the sieel ultimate <br /> strcn�th lur Gradr I�0 b:�rs or 90 percent of dte steel ulumate stren�th for Grade 60 and 7> bars. The <br /> allowable ticback load shuuld nut e�cecd JO perccnt uf�the sterl ultimatc strui!sth. <br /> � Por soil nails, the design test load shall b�determined by multiplyin�� the bond len�th of ihe n:iil times the <br /> desien luad pullout resistance (load transfcr). Tieback dc�ien test lo;uls s-hould be the design load <br /> specilicd on thc shoring dra��ings. Pruof test nails/ticb;icks shall be incremcnt�lly loaded and unloaded in <br /> ( accurdancc ��'idi thc fullowing schcJule: <br /> Load Hold Time <br /> I Alignment Load 1 mmute <br /> ._____ ...._.------ _ _ __ ...---- <br /> 025 Design Load(DL) 1 minute <br /> .. .. . . . ___. ...... _._ __.__ __._... —..— <br /> 0.5DL 1�minute <br /> . ._ .__ .._ . ___. <br /> � 0.75DL 1 minu�e <br /> I . . ._..._ . _'-_._ ..... .... _.___ <br /> 1ADL i minute <br /> � . ... _ _.._.-- .._.__ .. . _ . _- -�— <br /> 725DL(soil nails) 1�mmute <br /> _ _ <br /> ._.- --._. ....._ . ___... __ __... <br /> � 1 3DL(tie6acks� . 10 minutes <br /> I 1.5DL(soil nails) I <br /> � <br /> � F�Je��'o. l9":�Y.Ur)j-pl) I'rl�d C-' GEOENGINEERS� <br /> I _!uC�u�1•' _f1�in <br />