Apr 25, 2011 · A contractor is asking to place sand with bags of Portland cement in lieu of 12" cement stabilized sand under the base of a wet well slab. Does sand with bags of Portland cement offer better (or equal) bedding support underneath a foundation vs using 12" of cement stabilized sand?

Nov 6, 2007 · What is the difference between ASTM C150 Portland cement and C1157 hydraulic cement? Thanks.

Feb 18, 2025 · It's because Types I-V Portland Cement Concrete is becoming increasingly rare as more and more plants switch to Portland-pozzolan blended hydraulic cement concrete. If you want Type II, then you only need moderate sulfate resistance. So type IL-MS should be acceptable.

Mar 15, 2002 · Hello, When adding portland cement to a silty or sandy material, what is the effect on the shear strength. Obviously, the cohesion will increase, similar...

Oct 5, 2005 · One exception to using the volume of materials for good proportioning is the preparation of mortar, where all proportions are based on the bulk volume of the materials (cement, lime, sand). This is because of the vast history or performance of mortar and the site mixing process.

Aug 7, 2020 · Portland Cement is one component of non-shrink grout, so the answer is yes, but the other components is the problem. The formulas are tightly held proprietary information.

Feb 11, 2005 · I am looking for the shear strength of dry Portland Cement. In other words it's shear strength as is sits in the bag before being mixed with water. TIA...

Aug 16, 2022 · For instance, portland cements and blended hydraulic cements for concrete in the U.S. conform to the American Society for Testing and Materials (ASTM) C150 (Standard Specification for Portland Cement), C595 (Standard Specification for Blended Hydraulic Cement) or C1157 (Performance Specification for Hydraulic Cements)."

Jul 16, 2002 · Per NIST's SI style guide, the only unit whose name is capitalized is the degree Celsius. All others, such as ampere and kelvin are lower case: http://physics.nist.gov/cuu/Units/units.html

Mar 4, 2008 · The 1941 Portland Cement Association publication "Concrete Culverts and Conduits" is a good reference to consult for explanation of culvert design. Downstream culvert head walls and cutoff walls are "used chiefly to protect foundations from …