Design strength of concrete

    • [DOC File]QC/QA Concrete for Structures

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      Concrete Placement: ICF Installer shall assure that slump, strength and aggregate size are as specified per sub-Section 2.04 C and that concrete tickets are retained for Contractor’s records. ICF Installer to assure truck deliveries are timed for rate of placement and that placement rate does not exceed ACI recommended practices.

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    • [DOC File]SECTION 033300 - ARCHITECTURAL CONCRETE

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      For concrete strengths above 35 Mpa (5000 psi), the proposed mix design shall achieve a compressive strength 9.7 MPa (1400 psi) in excess of f’c. 2.Lightweight Structural Concrete. Pump mixes may require higher cement values.

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    • [DOCX File]SECTION 03 30 00, CAST-IN-PLACE CONCRETE

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      Nov 27, 2019 · Provide precast concrete lagging from a precast concrete manufacturer certified according to Supplement 1073. Provide class QC1 concrete with a 28-day design strength of at least 4000 psi according to C&MS 499. Provide epoxy coated reinforcing steel according to C&MS 709.00.

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    • What is the Characteristic Strength of Concrete? - [Civil Planets]

      Dec 14, 2017 · The Fabricator shall not release strands or handle the Prestressed Concrete Beam until Quality Control compressive strength cylinders attain a minimum compressive strength of 80% Design Strength (f’ c) or the specified detensioning compression strength as indicated on the approved shop drawings has been achieved. All exposed concrete surfaces ...

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    • [DOCX File]042200 Concrete Unit Masonry - Angelus Block Co., Inc.

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      The Engineer will reject a mix design when a single compressive strength quality control/acceptance test result drops below 88% of f(c or a lot of concrete has a …

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    • [DOC File]STRUCTURAL DESIGN OF REINFORCED MASONRY BEAMS

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      902.10.09Acceptance. Concrete will be acceptable if both of the following requirements are met: (a) The average of all sets of three consecutive strength tests equal or exceed the specified design strength. (b) No individual strength test (average of two companion cylinders) falls below the specified design strength by more than 500 psi.

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    • [DOCX File]042200 Concrete Unit Masonry (DSA-OSHPD)

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      TMS 602 1.5 B.1.b offers two options for grout: proportion specification – grout conforms to ASTM C476 (requires submittal of mix design to indicate proportions; no compression testing intrinsically required), OR property specification – grout compressive strength equals or exceeds the

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    • [DOCX File]Specification: Soldier Pile and Lagging Wall Design

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      Strength design of reinforced masonry beams follows the same steps used for reinforced concrete beams. Strain in the masonry is assumed to have a maximum useful value of 0.0025 for concrete masonry and 0.0035 for clay masonry. Tension reinforcement is assumed to be somewhere on the yield plateau. Because axial load is zero, flexural capacity is ...

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    • [DOC File]SPI-Section 902- Portland Cement Concrete and Related …

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      Determine the compressive strength of masonry by the strength of the unit and type of mortar specified (Unit Strength Method) per CBC Table 2105.2.2.1.2. Concrete Masonry Units: Test per ASTM C140. Mortar and grout tests are required for the unit strength method (Section 2105A.2.2.1.4).

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    • DESIGNER NOTES

      Remove only enough concrete mortar from surfaces to match design reference sample or mockup. Retain "High-Pressure Water-Jet Finish" Paragraph below if required. Coordinate this finish with design compressive strength of concrete on Project, because strength must be a …

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