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Compacted Chalk Putty-Cement Blends: Mechanical Properties and Performance

Research output: Contribution to journalArticle

Original languageEnglish
Article number04017266
Number of pages7
JournalJournal of Materials in Civil Engineering
Issue number2
Early online date21 Nov 2017
DateAccepted/In press - 19 Jul 2017
DateE-pub ahead of print - 21 Nov 2017
DatePublished (current) - 1 Feb 2018


Compaction and Portland cement addition are amongst promising ground improvement procedures to enhance the mechanical properties of chalk putty. Present investigation intends to compute the impact of Portland cement content and dry density on the mechanical properties (stiffness and strength) and performance (durability) of compacted chalk putty-cement mixes. The most significant addition to knowledge is quantifying the accumulated loss of mass (ALM) after wet/dry cycles, initial shear modulus (G0) and unconfined compressive strength (qu) as a function of the porosity/cement index. In addition, it is empirically revealed the existence of an exclusive relation connecting accumulated loss of mass divided by the number of wetting/drying cycles and porosity/cement index. Besides, a power relation was found between initial shear modulus at small strains after wet-dry cycles (G0) and average loss of mass after each cycle. This broadens the applicability of such index by demonstrating it controls not only strength and stiffness but also endurance performance of compacted chalk putty-Portland cement blends.

    Research areas

  • Chalk putty, Durability, Porosity-cement index, Portland cement, Shear modulus, Strength

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    Rights statement: This is the author accepted manuscript (AAM). The final published version (version of record) is available online via ASCE at . Please refer to any applicable terms of use of the publisher.

    Accepted author manuscript, 878 KB, PDF document


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