Attachment 12 - Geotechnical Investigation Report

SMEC Testing Services Pty Ltd
14/1 Cowpasture Place, Wetherill Park NSW 2164
Intersection of Lake Kawana Blvd and Birtinya Blvd, Birtinya QLD 4575 (Sunshine Coast Branch Site Address)
Phone: (07) 5341 9500 Email: [email protected]
                                                      Shrink Swell Index Report
Project: Proposed Retirement Centre Development                                                                           Project No.: 30032366-012
Client: Tectonic Geotechnical Pty Ltd                                                                                     Report No.:         30032366-012-SS-2

Address: PO Box 899, Buderim, Qld, 4556                                                                                  Report Date: 30/04/2019
Test Method: AS1289.7.1.1                                                                                                          Page: 1 of 1
Client Request No.: 19071

Sampling Procedure: Geotechnical Investigation (Not covered under NATA Scope of Accreditation)

      STS / Sample No.             30032366-002



        Sample Location                   BH4


                                      CH: Silty CLAY,
                                    high plasticity, pale
     Material Description                grey with
                                   orange/brown mottle


             Depth (m)                 1.00-1.17


            Sample Date              10/04/2019

               Moisture Content
                                          16.3
                     (%)

                Soil Crumbling              N               Shrinkage sample after oven drying - End A                 Shrinkage sample after oven drying - End B
   Shrink




                  Extent of
                                      Yes (Fine)
                  Cracking
                Shrink Strain
                                           3.0
                    (εsh)
               Moisture Content
                                          27.6
                  Initial (%)

               Moisture Content
   Swell




                                          30.0
                  Final (%)

              Swell Strain (εsw)           1.1


     Inert Inclusions (%)                    0


  Shrink Swell Index (%)                   2.0                                                  Inert Material Inclusions

Remarks:                           Swell Specimen: PP before test 350-400 kPa, PP after test 210 kPa




                                                                                                         Approved Signatory
Technician: CL/CMc                                                                                           Adrian Collier - Manager Geotechnics (SC)



    Form: RPS41                                                  Date of Issue: 01/07/15                                                        Revision: 5