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NCFI GEOTECHNICAL - TERRATHANE 24-010 POLYURETHANE FOAM TERRATHANE GEOTECHNICAL - 24-010 POLYURETHANE FOAM TABLES (CONT.) 0-- wasgji INSTALLATION SEQUENCE THE FOLLOWING INSTALLATION STEPS PROVIDE A BROAD OVERVIEW OF TERRATHANE a--) GEOTECHNICAL 24-010 POLYURETHANE FOAM INJECTION BENEATH A CONCRETE SLAB ORoPAVEMENT. INTERMEDIATE STEPS, INSTALLATION EQUIPMENT AND TOOLS USED, AND REACTIVITY AT 110 F , ,CONSIDERATIONS FOR UNUSUAL CONDITIONS OR APPLICATIONS ARE NOT ADDRESSED. y�` 5FA Design Group,L.0 CREAM TIME (SEC) 1 1 , , 4v ----------- STEPOILivrmor,CASeattle,W � Portland 0.1 Livermore.CA I Seattle,WA p:13U3)fi41d311 www.sfadg uwin 1: ACCESS/APPLICATION HOLES ARE DRILLED (%"0) AT STRATEGIC LOCATIONS GEL TIME (SEC) 7 v o -4,0/sTSOY IN THE SLAB. IN GENERAL, THE HOLES ARE SPACED 5 FEET APART AND 3 FEET FROM THE EDGES OF THE SLAB. LOCATIONS AND SPACING ARE TACK FREE TIME (SEC) 12 OFTEN MODIFIED IN THE FIELD TO ACHIEVE THE DESIRED RESULT. 17 EXPIRES: 04/04/24 ! , RISE TIME (SEC) V STEP 2: INJECTION PORTS ARE PLACED TO SEAL THE HOLES. -J J STEP 3: TERRATHANE GEOTECHNICAL 24-010 POLYURETHANE FOAM IS INJECTED TO FILL PROCCESSING PARAMETERS cEs Z VOIDS AND ALLOW FOR LIFTING. LIFT MAY BE MONITORED WITH SURVEY ISO TEMPERATURE 100'-140'F EQUIPMENT OR STRING LINES. < POLY TEMPERATURE 110'-140°F Z STEP 4: THE INJECTION PORTS ARE REMOVED AND THE HOLES ARE PATCHED WITH W MORTAR MIX, NEXUSPRO SILICONE JOINT SEALANT, OR EPDXY SEALANT. MIXING PRESSURE (STATIC) 1000 PSI CC FE 0 cc N TERRATHANE GEOTECHNICAL 24-010 POLYURETHANE FOAMS ARE MOST OFTEN USED BENEATH MIXING PRESSURE (DYNAMIC) 800 PSI Z z cc rn EXTERIOR CONCRETE SIDEWALK AND PAVEMENT SECTIONS FOR STABILIZATION OR RELEVELING, 0 Y Q BUT ARE ALSO UTILIZED FOR INTERIOR WORK AND OTHER SPECIALTY APPLICATIONS. MIX RATIO 1.11 U cc > TERRATHANE GEOTECHNICAL 24-010 POLYURETHANE FOAM IS OFTEN CONSIDERED AS AN Q Z a ALTERNATIVE TO MUDJACKING OR REMOVAL AND REPLACEMENT. SETTLEMENT OF RESIDENTIAL BY WEIGHT 100 PARTS POLY: 116 PARTS ISO a W Z W SLABS IS TYPICALLY THE RESULT OF CONSOLIDATION OF POORLY COMPACTED FILL SOILS a AROUND FOUNDATIONS AND WITHIN UTILITY TRENCHES, SOFTENING OF WEAK NATIVE SOILS BY VOLUME 100 PARTS POLY: 100 PARTS ISO Z _U) o W AND FILL DUE TO INCREASES IN MOISTURE CONTENT, AND EROSION OR WASHOUT O w o W CONDITIONS RESULTING FROM POOR DRAINAGE. CRACKED SLABS, FAULTING BETWEEN SLAB NOTE: INSTALL PER MFR RECOMMENDATIONS W SECTIONS, AND/OR OTHER OBVIOUS DOWNWARD VERTICAL MOVEMENT ARE TYPICALLY THE LL FIRST OBSERVABLE SYMPTOMS OF SETTLEMENT FROM THE SURFACE, THOUGH VOIDS MAY PHYSICAL PROPERTIES >- m ALSO BE PRESENT BELOW AS RIGID SLABS CAN SPAN BETWEEN SUPPORT POINTS. WHEN ; 0 VOIDS ARE PRESENT, USING INERT, HYDROPHOBIC TERRATHANE GEOTECHNICAL 24-010 PHYSICAL PROPERTIES TEST METHOD FREE RISE RESTRAINED POLYURETHANE FOAM ALLOWS FOR UNDERSEALING OF THE REGION, PREVENTING ANY FURTHER WASHOUT AND ACTING TO AGAIN PROVIDE UNIFORM SUPPORT TO THE BRIDGED DENSITY ASTM D1622 2.8 PCF 3.9 PCF Q CONCRETE. WHEN SLABS HAVE SETTLED, WITH OR WITHOUT THE PRESENCE OF VOIDS, FOAM COMPRESSIVE STRENGTH ASTM D1621 25.7 PSI 60.5 PSI CAN BE INJECTED TO CREATE LIFT WITHOUT ADDING SIGNIFICANT WEIGHT TO THE UNDERLYING SOIL. COMPRESSIVE MODULUS ASTM D1621 695 PSI 1714 PSI TERRATHANE GEOTECHNICAL 24-010 POLYURETHANE FOAM IS INSTALLED WITH CUSTOM-BUILT TENSILE STRENGTH ASTM D1623 64.5 PSI 78 PSI INSTALLATION RIGS AVAILABLE AS TRUCK-MOUNTED OR TRAILER UNITS. THE BASIC COMPONENTS OF THE SYSTEM INCLUDE MATERIAL STORAGE TANKS, A GENERATOR, AN AIR TENSILE MODULUS ASTM D1623 96 PSI GENERAL NOTES COMPRESSOR, PUMPS, A PROPORTIONER, AND APPLICATOR(S)/ GUN(S). THE PROPORTIONER WATER ABSORBTION ASTM D2842 < 0.08 Ib�/ft= < 0.08 Ibt= INCLUDES A MATERIAL HEATER, PRESSURE REGULATOR, STROKE COUNTER, AND INSULATED AND HEATED HOSES. THIS ENSURES THAT THE TWO PARTS ARE DELIVERED TO THE REVISIONS APPLICATOR AT A CONSISTENT PRESSURE AND TEMPERATURE. CLOSED CELL CONTENT > 90% > 90% TERRATHANE GEOTECHNICAL - 24-010 POLYURETHANE FOAM TABLES MAX SERVICE TEMP 180'F 180'F ELONGATION ASTM D1623 7.0% COMPONENT PROPERTIES SHEAR STRENGTH ASTM C273 38.7 PSI PROJECT NO: COMPONENT B-24-010 A2-000 SHEAR MODULUS ASTM C273 486 PSI MFR22-156 DESIGNED BY: BROOKFIELD VISCOSITY AT 72'F 600 CPS AT 72'F 200 CPS AT 72°F FLEXURAL STRENGTH ASTM D790 57.8 PSI MEK DRAWN BY: MEK SPECIFIC GRAVITY 1.08 1.24 FLEXURAL MODULUS ASTM D790 1279 PSI CHECKED BY: JLD WEIGHT PER GAL 8.9 LBS 10.3 LBS DATE: 08.19.2022 x APPEARANCE CLEAR AMBER LIQUID CLEAR BROWN LIQUID SHEET NO: STORAGE TEMPERATURE 60°-90°F 60'-90'F S 1 ■2 1