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� f� �f�, �I�I i���� � St- �� �� �� h+ t w <br /> TE6T RESULTS The largel deefpn shear lor en unblocked wsll is <br /> Teet ro�ults aro dividod Inlo 61X �erles,eaCh IG Cotrelated lo the daeipn sheer lor a blocked w�ll ol lhs <br /> dlecus�ed In the tollp,ylnfl �oclians ol lhls repart.Tost 6ama panol grade end Ihickness wi(h losteners 4 in. <br /> � rosults described In eaah seallon me include o.c. along all panel adpes.Whon tho Iraming <br /> 1' perpan�lir.ulAr to th�unblxkod odge ia 16 in. o.c., Iho <br /> epooimona trom prvvlousry reponotl teais. redudion is 50%. For iraming 24 in. o.c.,one-Ihird ol <br /> Ihe btocked watl sheer for 4�in.�o.c leeteners is usod. <br /> Unblookcd Sheor Walla Theso vnlues am applled to unblockod shaar wallc <br /> laatened 6 in. o.c. elong suppoAed panel adfles. The <br /> Purpoec largat design shoars lor sapled welle�hown in Table 2 <br /> wefe Calculated uelnp thn sAme m�thod, 6ut bocod on <br /> Jn6lpcked ahear wqlls ware labricated wllh olther nails values for staples In blxked walls published in <br /> or ateplee to provide test data lor tho Gevslopment of NER•272(4). This calculallon of desipn shearc for <br /> dosiyn oheer reeommendatlons, unhlocked shear walls ie consislent wit� the metnod <br /> usod lor unblocked dtephrogms and wllh the vaiues <br /> The 4 x 8•k ahoels ol panel shonthing woro appliod with Inciuded in I�e 1958 through 1984 edilions ol tha <br /> tho 8•R dimenslon horizontal for ihle series of tests Unitorm Buildin0 Code. <br /> only. The rosulling 8•tt horizonlal �clnt betwoon panols <br /> at mid-haipht ot the specimen war not blooked. Omfsslon ol btocking al the horizonlal�oint between <br /> aheelhing pan�ls reeulls in I�+o shoar nt �hic joinl boing <br /> Tes1 Ra�ulte nnd �lecu8elon trans(erred through Iho neilr fmmedlatoly adjecent to <br /> the horizomnl joint into Iha vonicq� framinp members. <br /> Tesq of twolve ur.blockod 0 x B•1I thear wallg ara Parlormance of Ihe wnll Is tf�arelore 9ontltiva to <br /> summarized in Tuble 2. Slnce Ihe atrength of unblocked lasloner specing in Iho Iraming members end to tha <br /> shear wallg Is a{unclion ot the Iraming apacing, Ihe numbor o( Iraminy members. A typieal 8 x e.lt lest wall <br /> lesting included both 16 pnd 24•In:o.c. slud 6pacin9c. Wilh sluds 16 in. o.c. hes seven Iraming membors <br /> TyD�cal tailurea ol the unblocked walis woro elong Ihe porpondicular to Iho unblocked joint to trensfer shoar. <br /> unblocked horizontal Jofnl where Ihe lastenors eithar The semo length wall specimen wlth studs 24 in. o.c. <br /> wilhdrew Irom lho Irnming mem6ors or pulled thrcuqh hes only Ilvo Iraminp mnmhnrs <br /> the pAnol. <br /> � TABI,E 2. Unblocked Sheer Welis <br /> H�N�e M1ed OIIImM�Wd�(pll�� . — ..-.proll <br /> l��elnl�'� laq�A i►MM�N Nl.al ihlflKln� Oul�nibr Ad <br /> fIO P�.1 (Mid 11P QA.) Mb Min. Mn. k+0� On.) IPnI iMWM <br /> STAUGTURALI <br /> �d 8,12 2•114 ply 112 1 5B3 16 215 2.B <br /> NPId°� 8,8 2•172 Ply 112 1 BSS 16 t75 l.� <br /> AATEDSHE�THING ` � <br /> Bd 8,12 Q ply 5116 2 550 580�d� 569 16 135 �.? <br /> � Naid'� 8,6 2 Ply 5118 2 650 750 700 16 135 5.2 <br /> 8,12 2 Ply 318 1 300 24 100 �.0 <br /> E,a 2 Ply 3!8 1 375 24 100 9.E <br /> 18pe 6,12 1•112 Ply 15172 1 3{6 16 130 2.7 <br /> 9laplo 8,12 2 ply 151J2 1 9B1 16 130 2.9 <br /> 6.12 t.�l4 OS9 yo 7 935 10 105 3.2 <br /> 15go 6,12 1•112 PI 151�2 1 291 4� 105 4.B <br /> Sleple Y <br /> (�) Tno lini numEer b t�a e0ednp d�uD7oA�d penel ndyee,IM�ewnd i� (c) St41Neu�teal wmmon n�,i. <br /> ��e ip�einp M inu�moAiau Inminp m•mWn.Cingla ndl�t och�lud (�/���y ppDIOCMlGl000 EO�07M1q001 MII wpi OIYCOE BbfIQ EEC11�l�d <br /> elonp I�o unWakod p�nd�Gg�b,capl m noud. Wqe entl 31P�wuy hpm Iho ropulni neillnp. <br /> ro) The IoeA Iector I�Oerormined by dlvldlnp tAe erorepe ultim■le Wad by (e� Common noit <br /> Ihe llfpet Oe11Qf1 thN�. <br /> C <br /> � <br />