b'below,showsthegenerallayoutfora plate reaction force from the anchor across the face ofanchorproject alongwiththeminimum the damaged wall.horizontal and vertical embedment distances for SeekengineeringassistanceforverytallwallstheECPEarth Plate Anchorkitinstallationto and/or whenbadlybowingandfracturedwallsinsure proper support. are encountered.The engineer can inspect andItismostimportantthatanybasementwall determineifthedistressedwallhassufficientrepairincludeaninvestigationandremedial structural integrity for continued support againstworkrequiredtopreventanyfuturecondition the significantly greater wall load that exists ifwherethesoilbehindthewallbecomes drainage corrections are not implemented.saturated. Horizontal Embedment LengthL min : TheIfthedrainageworkisnotaccomplished Earth Plate Anchor must be installed into the soilimmediately following ECP Earth Plate Anchor asufficientdistanceawayfromthewallandinstallations,excessivehydraulic pressure beyondanyfailureplanessothattheEarthagainstthewallwillremain.Mostbasement AnchorPlatecanfullydevelopanchoringwallsarenotdesignedtoresisttheincreased capacity. (Figure 3)horizontal force created by saturated soil at the Equation 4: Minimum Horizontal Embedmentwall.Whileonecouldinstallanchorsto L min= H x 1.5supplementthe lateral strengthof thewall and Where:not address the underlying cause of the failure, L min= Minimum Horizontal Embedment Length fromdoing sucharepaircannotbeconsidereda basement wall to Earth Anchor Plate(ft)permanent solution. H=Height of soil against wall - (ft)Vertical Placement of Wall Platesd w : The MinimumEmbedmentDepth D min : Inverticalplacementoftheinteriorwallplateis tension applications there is the possibility of adictatedbytheheightofthesoilagainstthe shallow failure.The anchor can fail when thebasementwall.Itisrecommendedthatthe soilsuddenlyeruptsduetoinsufficientsoilinterior wall plate be installed close to the point embedmentoftheEarthAnchorPlate.Toof maximum bulging of the wall and/or close to preventsuchfailures,anchorplatesmustbethe most severe horizontal crack in the wall. installed to a proper depth to prevent this kind ofThetypicalverticalmountinglocationsfor failure.The depth is illustrated in Figure 3.typical basement wall plates are 20% to 50% of Equation 5: Minimum Vertical Embedmentthe distance from where the grade is located to D min= d w + 1 ft (to top of earth plate)the to the floor slab. Where:When the wall is constructed of blocks, or where D min= Minimum Vertical Embedment From grade to top ofaconcretewallisseverelydistressed,vertical Earth Anchor Plate or Frost depthft, (Whichever issteelsupportsand/orhorizontalwhalerbeams greater)areusedtoprovideevendistributionofthe d w= Placement depth of interior wall plate(Feet downfrom grade at the wall)PASSIVE LINES SHOULD ACTIVEFAILURE NOT CROSS FAILUREPLANE PLANED min d wT SLPLATE EARTHANCHOR ASSEMBLYL minFigure 3.Minimum vertical and minimum horizontal embedmentECP Helical Plate Anchors Technical Service Manual2021 Earth Contact Products, L.L.C.2021-09 Chapter 2 - Page 46 All rights reserved'