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Wednesday, May 6, 2020 | History

3 edition of Some compressive tests of hollow-tile walls found in the catalog.

Some compressive tests of hollow-tile walls

Herbert Lucius Whittemore

Some compressive tests of hollow-tile walls

by Herbert Lucius Whittemore

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Published by Govt. Print. Off. in Washington .
Written in English

    Subjects:
  • Hollow bricks

  • Edition Notes

    Running title: Compressive tests of hollow-tile walls.

    Other titlesCompressive tests of hollow-tile walls.
    Statementby Herbert L. Whittemore, Mechanical Engineer, Bernard D. Hathcock, Laboratory Assistant, Bureau of Standards. July 21, 1923 ...
    Series[United States] Bureau of Standards. Technologic papers,, no. 238
    ContributionsHathcock, Bernard Dunlop, 1895- joint author.
    Classifications
    LC ClassificationsT1 .U4 no. 238
    The Physical Object
    Pagination1 p. l., p. 513-527 incl. illus., tables.
    Number of Pages527
    ID Numbers
    Open LibraryOL6659782M
    LC Control Number23026778
    OCLC/WorldCa14046063

    Some applications use higher strengths, greater t psi (70 MPa). WHY is Compressive Strength Determined? Compressive strength results are used to ensure that the concrete mixture as delivered meets the requirements of the specified strength, ƒ´ c, in the job specification. Strength test results from cast cylinders may be used for. A second method is to make two vertical cuts entirely through the wall thickness and remove some of the masonry between these cuts. An in-place compression test can be performed using a hydraulic ram. As with the previous test method, the wall will be damaged by this testing and it may be difficult to perform in multi-wythe systems.

    Correction factors for test specimens with an L/D ratio less than are given in the test methods for compressive strength (ASTM C 39 and ASTM C 42) for direct comparison with the standard specimen (Table ) For cylinders of different size but with the same L/ D ratio, tests show that the apparent strength decreases as the diameter Size: KB.   All of the test pieces were mm wide, the upper and lower face sheets were 1 mm thick, the sides of the regular hexagonal honeycomb core were 6 mm long, and the core walls were mm thick. Three of the 4 test pieces were mm long and had thicknesses of 10, 15, and 20 mm, and the fourth test piece was mm long and 10 mm thick (Figure Cited by: 6.

    Compressive Strength!! Relationship between shear and normal stresses during a strength test (and at failure) is critical to understanding deformation behavior of the material! Way to test shear strength - Direct shear test Variable shear and normal stresses can be applied 22 Compressive Strength! @article{osti_, title = {Compressive strength of masonry (f{sub m}{prime}) for the Oak Ridge Y- 12 Plant, Hollow Clay Tile Walls}, author = {Fricke, K E and Flanagan, R D}, abstractNote = {Prism tests have been performed on the HCT walls. The three groups of data were treated as separate data points and averaged. The recommended effective compressive strengths for HCT walls are psi.


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Some compressive tests of hollow-tile walls by Herbert Lucius Whittemore Download PDF EPUB FB2

Afterthecompressivetests,samples,approximatelysquare, free from cracks, and having an areaof from 12 to 20square inches, were selected fromeach ofthe tile fortheabsorption tests.

Twenty-sevenofthewallsweresubjectedtoatransversetestbeforebeing testedin compressionunder -threeof the walls were tested in compressionunder central loading and 17 File Size: 3MB. Some compressive tests of hollow-tile walls / By b.

Herbert L. (Herbert Lucius) Whittemore, joint author. Bernard Dunlop Hathcock and United States. Hollow Tile For The Home. Paperback – October 4, by Hollow Tile Building Association (Creator) See all formats and editions Hide other formats and editions.

Price New from Used from Paperback "Please retry" $ $ — Format: Paperback. Infilled Hollow Clay Tile Walls As indicated in Fig. 4, the results of this equivalent strut method compare well with the envelope of observed in- plane hysteretic behavior.

The test specimen consisted of partially restrained connections, so a fixed base and pinned base calculation with the compressive strut formulation is by: 1. @article{osti_, title = {Material properties of hollow clay tile and existing mortar characterization study}, author = {Butala, M B and Jones, W D}, abstractNote = {Several Buildings at the Department of Energy (DOE) Oak Ridge Y Plant were constructed (circa ) using unreinforced hollow clay tile (UHCT) masonry walls, which act as shear walls to resist lateral forces.

Re: structural tile r-value An 8" thick double-cell hollow clay tile has an R value of according to my ancient HVAC text book. It is true that air is a poor conductor of heat but in a vertical air space (like in a wall) warm air rises on the inside surface and cool air drops on the outside surface creating convection which transfers heat.

Compressive Test. Compressive tests were performed on hemp fiber-reinforced composites prepared by winding filaments of hemp yarn and impregnated them in unsaturated polyester resin, Fig. [47]. From: Mechanical and Physical Testing of Biocomposites, Fibre-Reinforced Composites and Hybrid Composites, Related terms: Young's Modulus.

A cubic foot of Hollow Tile weighs from 40 to 50 lbs., while the same quantity of cinder concrete suitable for structural purposes weighs about lbs., and stone gravel con- crete from to lbs., and a cubic foot of brick work will average not less than lbs.

1. Slump test before leaving the batching plant and on arrival on site. This is to determine the workability of concrete in terms of slump test. After batching the concrete, a sample of fresh concrete shall be taken to test for slump tests and the samples for compressive strength test be taken too.

Structural clay tile describes a category of burned-clay building materials used to construct roofing, walls, and flooring for structural and non-structural purposes, especially in fireproofing applications. Also called building tile, structural terra cotta, hollow tile, and clay block, the material is an extruded clay shape with substantial depth that allows it to be laid in the same manner.

We had a floor installed recently that exhibits many of the characteristics you describe in the spot bonding section (particularly the tile on the left side of photo 19). Beyond the uneven tile edges, we're occasionally hearing popping sounds when we walk on the floor - much like someone snapping their knuckles.

It also seems like 4 or so of the tiles are loose enough to be lifted out. Test of a hollow tile and concrete floor slab reinforced in two directions by Slater, Willis Appleford, DDC: 3: Some compressive tests of hollow-tile walls by Whittemore, Herbert L.

(Herbert Lucius), DDC/LCC: 3: United States government master specification for tile, hollow, clay, load-bearing wall. The results obtained for ultimate compressive strength on plastered bale walls varied significantly from 28 kN/m to 90 kN/m for various tests conducted using a wide range of wall dimensions, plaster proportions and thicknesses, reinforcement schemes and bale types and sizes.

Generally, the wall dimensions, plaster proportions, bale type. For most tests, the stone specimens are tested dry. However, since the strength may vary when the stone is wet, the strength tests (i.e. compressive strength, flexural strength, modulus of rupture) are sometimes performed using wet stone specimens.

For the. Compressive Strength Formula. Compressive strength formula for any material is the load applied at the point of failure to the cross-section area of the face on which load was applied. Compressive Strength = Load / Cross-sectional Area.

Procedure: Compressive Strength Test of Concrete Cubes. Abstract. Issued as part of Technologic Papers of the Bureau of Standards, Vol Prior to Vol.

16 issued as separate papers only and not consecutively g title: Strength of hollow-tile es bibliographical of access: Internet. “ The compressive strength of concrete is given in terms of the characteristic compressive strength of mm size cubes tested at 28 days (fck). The characteristic strength is defined as the strength of the concrete below which not more than 5% of the test results are expected to fall.”.

and Full Scale Wall Tests • • • • • • • vii. iii v vii ix xi 1 3 3 3 6 9 9 15 15 15 29 35 Results of Transverse Tests of Hollow-Tile Walls Summary of Average Compressive and Flexural Strengths of Walls • • • • • • • • • • Effect of Mortar Bed Joint Thickness on Transverse File Size: 4MB.

Concrete being the major consumable material after water makes it quite inquisitive in its nature. The strength of concrete is majorly derived from aggregates, where-as cement and sand contribute binding and workability along with flowability to concrete.

This is an in-depth article on Compressive Strength of Concrete. Clay tile and wall assemblages were tested as compressive prisms with six types of tile units.

Specimens were tested at eccentricity ratios of 0, 1/6, and 1/3. Wall column specimens were built in three heights for the 4-in.

units (h/t=10, 20, 40) and in two heights for the 6-in. and 8-in. units (h/t=10, 20) and tested with eccentricity ratios of 0, 1/6, and 1/ by: 2.Unfortunately, this book can't be printed from the OpenBook. If you need to print pages from this book, we recommend downloading it as a PDF.

Visit to get more information about this book, to buy it in print, or to download it as a free PDF. Below is the uncorrected machine-read text.crete compressive strength requirements can vary from psi (17 MPa) for residential concrete to psi (28 MPa) and higher in commercial structures.

Higher strengths up to and exceed psi (70 MPa) are specified for certain applications. Compressive strength test results are primarily used to.