/Type /Page ALL PRODUCTS. (102, 152, 203, 254, 305, 356, and 406 mm). 121025100 12x8x12 Single Core Pilaster Block is a standard concrete masonry unit (CMU) that exceeds ASTM C90 standard specifications in all weight classifications. /Subtype /Image l = 15.5 ft (4.72 m) For instance, a 6" CMU is nominally 6" deep while a 10" CMU is nominally 10" deep. Quality architects and builders have used concrete masonry units for years in the construction of homes, schools, industrial buildings, and municipal structures. The weight of concrete masonry units varies depending on the density of concrete mix used. Contact your Best Block representative for special requests and additional options. w%{e-d6|Y1m\g?s47clO*31zfF73Br[2&WYY+WX5_XTO:_xY?ZH-hH*1v)RVkouCE+Pw;m, igj :$q{x_>N E,HD{Mu.rhA0 qRl ASTM C90 also defines the difference between hollow and solid concrete masonry units. wp = w x l Control Joints for Concrete Masonry Walls, TEK 10-2A. /CropBox [ 0 0 612 792 ] ABOUT; PRODUCTS. False uuid:8c8096ba-809e-f54e-8a48-40c6b394caf8 You can also specify that scored or ribbed blocks have an additional raked pattern applied for more texture. The graphic below shows the difference between nominal and actual sizes. Thenominal dimensionof a CMU is theactual dimensionplus the width of the mortar joint. 8" C Pilaster 8" H Pilaster. The net cross-sectional area of a solid unit is at least 75% of the gross cross-sectional area. Standard Specification for Loadbearing Concrete Masonry Units, ASTM C90 (ref. l = length of wall supported by pilasters (center-to-center spacing of pilasters), ft (m). All masonry units shall be free of organic impurities that will cause rusting, staining or pop-outs and shall contain no cinders. F7_03 Rebar at Wall Opening-PDF. Pilaster Overall Width: 49-5/8 in. Allows mason to locate horizontal reinforcing, Allows control joint or door/window frame. F7_09 Control Joint at Pilaster Detail-PDF. We also earn commissions from qualifying purchases at GBES.com. Angelus Block offers an enormous selection of cmu for every application: from leading-edge architectural masonry to utilitarian structural solutions. (3.2 mm) from the specified dimensions. /E 140195 Assuming the wall is simply supported, the maximum moment that must be supported is Mmax = wl/8, or solving for l, /Rotate 0 /Width 281 endstream endobj 2 0 obj <>stream Fire ratings up to 4 hours are easily obtainable using only concrete masonry units and mortar. A 4-inch CMU has an actual size of 3 5/8 inch x 7 5/8 inch x 7 5/8 inch (DxHxL) . VersatilityConcrete blocks lend to easy incorporation of doors, windows, brick ledges, and corners of any angle into the construction of the building. Determine the required pilaster size and spacing for an 8 in. Concrete Masonry Units (CMUs) are manufactured in a variety of sizes. Figure 1 illustrates nominal and specified dimensions for a nominal 8 x 8 x 16 in. Anw = Normalized web area, in. 0000140120 00000 n endstream endobj 127 0 obj <>stream Concrete Block (CMU) Sizes Concrete Masonry Units (CMUs) are manufactured in a variety of sizes. Raked (or Striated) units have vertical rake marks introduced during the molding process. THE PICTURES ON THIS WEBSITE ARE INTENDED TO REPRESENT GENERAL COLOR RANGES AND SURFACE TEXTURES OF OUR PRODUCTS. 17-04B Allowable Stress Design of CM Pilasters. = 5386 in.-lb/ft (1996 Nm/m). Soft-Split CMU is made with special molds that create a split-faced appearance instead of mechanically splitting the blocks. Building Code Requirements for Masonry Structures, ACI 530-99/ASCE 5-99/TMS 402-99. 3). Horizontal bond beam reinforcement is easily accommodated in these units. Sash block can be laid with the grooves adjacent to one another to accommodate a preformed control joint gasket. xmp.did:fefbf310-7720-4015-8123-d8f4f514418f Masonry Products. 0000001769 00000 n They are identified by their depth i.e. endobj Pilaster block concrete masonry units (CMU) exceed ASTM C90 standard specifications in all weight classifications. *Digital product photos are a good reference for general appearance. BeautyConcrete blocks can provide many different appearances to a building. Disclaimer: Although care has been taken to ensure the enclosed information is as accurate and complete as possible, NCMA does not assume responsibility for errors or omissions resulting from the use of this TEK. 12x4x12 Column * 16x8x16 Column . SIZE WxHxL / PER PALLET / WEIGHT; 100X200X400mm 160 18 Lbs; 150X200X400mm 120 21 Lbs . DurabilityConcrete blocks do not rust, rot, decay, or provide a home for damaging insects as other building materials can. These units, examples of which are shown in Figure 4, may have reduced web areas to reduce heat flow through the webs. Pilasters can be the same thickness as the wall but most often project beyondone or both wall faces. Help make Archtoolbox better for everyone. the thickness of the wall they create. Sizes of Precision units are expressed as nominal dimensions that compensate for a standard 3/8-inch mortar joint. 0000130096 00000 n Lintel units are available in various depths to carry appropriate lintel loads over door and window openings. Concrete blocks, also known as Concrete Masonry Units or CMUs, provide very durable structural and non-structural partitions. /ViewerPreferences << /Direction /L2R >> While the primary purpose of a pilaster is to provide lateral support, in many cases it may also be required to support vertical loads such as those imposed by beams or other framing members. Shotblast Concrete Block Shapes and Sizes - RCP Block & Brick And they should be spaced no more than 18 feet apart in 10-inch-thick unreinforced walls, and no more than 15 feet apart in 8-inch- thick unreinforced walls. Log in to TheConstructor to ask questions, answer peoples questions, write articles & connect with other people. Concrete masonry walls provide benefits such as structural integrity, fire resistance, thermal insulation and mass, low maintenance, and an aesthetic versatility unmatched byany other single building material. (9.5 mm) less than nominal dimensions, so that a 4 or 8 in. vikkRx7 3)0$|UX\O 81w$Nc&M]:Av4ErHAy)$%uQhk@V``@Nd^6lg".;\Bh. . The standards identify appropriate materials, compressive strength, dimensional tolerance, moisture absorption, and other performance characteristics. /Filter [ /FlateDecode /DCTDecode ] '?`wj28;;6j!ZJ:a ,GaQ(/^heA8h/ ++ The architect should always attempt to design buildings using the nominal dimensions to the nearest half-block size to reduce waste and labor due to cut blocks. F7_11 Free Standing Wall-PDF. 12x8x12 Column. TEK Index - NCMA Max effective height should not exceed 25 x nominal thickness unless the pier is designed according to provisions of Ref 1 Section 3.3.5 (walls, must consider P-Delta effects) Nominal thickness should not exceed 16 Provide (1) bar in the end cells and minimum area of longitudinal reinforcement should be 0.0007bd Uniformly distribute reinforcement What must be the maximum dry density of Granular Sub Base & Wet Mix Macadam used What is the Safe Bearing Capacity values for Different Soils? They do not contain any material that is hazardous to the environment and construction with concrete blocks helps reduce the stress on our forestlands. Units in adjacent courses overlap to form a running bond pattern at the corner. 2 2/3" tall). Standard Colors Photos above are for color reference only. Typically, the face shells and webs are tapered on concrete masonry units. F7_13 Top-Wall Bracing-PDF. 16 x16 Pilaster Block knorr | January 2, 2017. /T 271117 0000116011 00000 n The Concrete Service, Inc. - Shop Stone Masonry locally in Traverse City, MI . 0000139153 00000 n Keep in mind that there will be a natural variation in the color of the CMUs, even if they come from the same manufacturing batch. << The lateral load that must be resisted by each pilaster is: Where required, units may be manufactured to closer tolerances than those stipulated by ASTM C90. This is the smallest concrete block size. There are several "common sense" reasons for using concrete blocks in any structure. /Type /ExtGState U\CJLmXy|%Q`(m?E8 g==\euzZ They are identified by their depth - i.e. tw = Minimum web thickness, in. 14 0 obj Standard Concrete Block Sizes | Hunker The taper provides a wider surface for mortar and easier handling for the mason. M = Ft x S 2) for more options. Section Properties of Concrete Masonry Walls, TEK 14-1. << Architectural units can be used to provide texture and/or color to the exterior of the building. Join TheConstructor to ask questions, answer questions, write articles, and connect with other people. What is the tolerance for compression test results of concrete, according to the standards? Some people believe this creates a natural weathered look instead of the smoother look of burnished or polished CMU. % Screen units are available in many sizes and patterns (ref. The Archtoolbox Guide and Templates for Developing a Fee for Architectural Services. Fire ResistanceConcrete blocks provide the best and most long-term fire protection available in construction. Standard concrete block, or "gray block," is widely known as one of the most practical, long-lasting and cost-effective material used in building. Column & Pilaster Units. /SMask /None 4-inch CMU h+ #/#GwfZ%'~('Mt;&9t4cC/|LscIU{+} YH1>56TL4q{L? For instance, a 6" CMU is nominally 6" deep while a 10" CMU is nominally 10" deep.
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