Density of construction materials

    • [DOCX File]STATEMENT OF WORK

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      American Society of Testing and Materials (ASTM) D1557 “Standard Test Methods for Laboratory Compaction Characteristics of Soil Using Modified Effort (56,000 ft-lbf/ft3(2,700 kN-m/m3))” will be used for maximum density determinations if the anticipated material gradation should contain less than 30% retained on the 19 mm (3/4 inch) sieve.

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    • [DOC File]Guide Specification: Structodek® High Density Roof Insulation

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      2.2 MATERIALS. Specifier Notes: Consult roofing manufacturer for specific recommendations of tested assembly and construction. Select insulation board and accessories based on specific project requirements. High Density Fiberboard Roof Insulation Boards: STRUCTODEK High Density with primed red coating physical properties as follows: 1.

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    • SECTION 160

      Compact the materials at a moisture content permitting the specified compaction. If the moisture content of the material is improper for attaining the specified density, either add water or allow the material to dry until reaching the proper moisture content for the specified compaction.

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    • [DOC File]Hollow Concrete Block - Ethiopian Construction

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      efficient and economical solution in construction. Classes of Hollow Concrete Blocks. Load bearing HCB Class A and B. Non load bearing HCB Class C. a) Standard Dimensions to ESC.DC.301. 10 cm x 20 cm x 40 cm. 15 cm x 20 cm x 40 cm. 20 cm x 20 cm x 40 cm. b) For the UCBP the HCB differ from the ESC. At the UCBP the following HCB will be used:

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    • EXCAVATION AND EMBANKMENT

      Compact the materials at a moisture content such that the specified density can be attained. If necessary to attain the specified density, add water to the material, or lower the moisture content by manipulating the material or allowing it to dry, as is appropriate. 120-9.2 Compaction of Embankments: 120-9.2.1 Density Requirements:

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    • [DOCX File]Activity 2.1.1 Aerospace Materials Investigation

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      AE Activity 2.1.1 Aerospace Materials Investigation – Page 1. ... Strengths: One of the strongest materials used in construction, strong in compression and tension. Weaknesses: Rusts, loses strength in extremely high temperatures ... Use density as a substitute for weight. Show calculations. Psi/density. 1.

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    • [DOC File]CONSTRUCTION SPECIFICATION - USDA

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      CONSTRUCTION SPECIFICATION. 200. GRAVEL ROAD SURFACING. l. SCOPE. The work shall consist of furnishing, transporting, and placing mineral aggregates for road surfacing. 2. MATERIALS. Aggregate shall conform to the applicable requirements of ASTM D 1241 or, if so specified, shall be obtained from designated sources.

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    • [DOCX File]Construction General Notes

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      The method of obtaining the in-place density shall be identified whether sand cone, drive ring, or nuclear, and shall be noted for each test. Sufficient maximum density determinations shall be performed to verify the accuracy of the maximum density curves used by the Field Technician. ... STORAGE OF EQUIPMENT AND MATERIALS: All construction ...

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    • [DOC File]MATERIALS AND TESTING LABOROATORY

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      5 density count (cpm) 6 moisture count (cpm) 7 air gap count (cpm) 8 wet density (lb/yd³) 9 moisture (lb/yd³) 10 dry density (lb/yd³) 11 moisture (%) 12 average % moisture 13 average dry density (lb/yd³) 14 proctor no. 15 maximum dry density 16 optimum moisture (%) 17 required density …

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    • Construction Specification 25—Rockfill

      The work consists of the construction of rockfill zones of embankments and other rockfills required by the drawings and specifications, including bedding where specified. 2. Material. Material for rockfill and bedding shall be obtained from the specified sources unless otherwise specified in …

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