Not only does the computation of masonry self-weight depend on masonry unit types for example light weight, medium weight, or normal weight but also on the unit weight of the grout that is employed for the wall and it may be taken as 1651.94 Kg/m 3 or 2242.59 Kg/m 3. 2 nd: Width of opening in brick lengths. MASONRY WEIGHT AWARENESS CHART INSTRUCTIONS 1 st Column: Width of opening in mm. masonry unit weight greatly impacts masonry productivity, with lighter weight units resulting in higher productivity rates (other factors being equal). Grade-A type of blocks are manufactured for minimum average compressive strengths of 3.5, 4.5, 5.5, 7.0, 8, 5, 10.0, 12.5 and 15.0N/mm 2 at 28 days. Full list of materials: Material. It’s easy to see why the product gained rapidly in popularity. Aircrete blocks have a density in the range 400 – 900 kg/m3. This information is not to be interpreted as indicating compliance with, or waiver of, any provision of any applicable building code, ordinance, standard or law. Self Weight of brick wall =0.1x3x20x16 Where 0.1= thickness of the wall. Concrete Masonry Units . Note, when particular features are desired such as higher compressive strength, fire resistance, thermal performance or acoustical performance, these features should be specified separately. Medium-weight units will still be available in the Michigan market, but on a much more limited basis than in the past and also at the higher cost premium. Lightweight concrete masonry units came into wide use in the U.S. in the 1950s. Today, masonry enclosures and partition walls are mainly made of clay units, but also aggregate concrete units (dense and lightweight aggregate) and autoclaved aerated concrete units are used. WEIGHTS OF CONSTRUCTION MA TERIALS IN pcf. CMUs should be specified to meet ASTM C90, the Standard Specification for Loadbearing Concrete Masonry Units. When it comes to block making, the State of Michigan is abundant with normal weight aggregates of sand, gravel, and limestone (ASTM C-33) throughout the state, which when utilized in the concrete block manufacturing process will result in concrete masonry units (CMU’s) that ASTM classifies as normal weight (density of 125 lbs/cf and above). Brick Masonry: 1920 Kg/cu.m: 50. Loading on the masonry wall = 40.36 kN/m Table 5-5 gives the weight of concrete masonry unit walls. 37: 55: 61: 79: 43: 58: 72: 85: 48: 61: 78: 94: 4.1: 5.2: 6.3: 7.5: 32" o.c. Reinforced Masonry Wall. A. For many years, expanded slag, a lightweight aggregate (ASTM C-331) has been available in the southeast Michigan area, which offered CMU manufacturers the option of blending the expanded slag  with normal-weight aggregates to produce a medium-weight CMU (density of 105 lbs/cf to less than 125 lbs/cf). Compared to normal-weight units, these medium-weight units offered the mason contractor a lighter weight unit, and offered the designer potentially increased fire ratings and reduced coefficients of thermal expansion, all for a reasonably priced premium compared to normal-weight units. All three density classifications have to meet a minimum net area compressive strength of 1900 psi. Glass: 2400 to … 36: 52: 57: 74: 42: 55: 68: 80: 47: 58: 74: … There are three density classifications for CMUs: 1) normal weight (125 pcf or more), 2) medium weight (105 pcf to less than 125 pcf) and 3) lightweight (less than 105 pcf). Certain colors are stocked only in Normal Weight - all Slumpstone TM colors, and precision colors such as … • Normal Weight Masonry Unit-a unit with a dry density greater than 1,850 kg/m3. Over the years, some Michigan manufacturers chose to inventory only normal-weight units, some have inventoried both normal-weight and medium-weight units, and some have chosen to inventory only medium-weight units. In 1990 the Concrete Masonry Association of Australia (CMAA) published Masonry Walling Guide No 4: Design For Earth Loads - Retaining Walls, which set out a design methodology and safe load tables for these structures. If you have any questions regarding this Bulletin and/or block specifications, please feel free to contact the Masonry Institute of Michigan at 248-663-0415. Concrete bricks have a density in the range 1900 – 2100 kg/m 3 for Commons, Facing and … 10 kN/m3 19 kN/m3 24 kN/m3 25 kN/m3 78 kN/m3 6 kN/m3 . Properties of masonry units are given in Table 2. Typically Concrete Product Producers manufacture their CMU’s out of locally available aggregates. CMUs should be specified to meet ASTM C90, the Standard Specification for Loadbearing Concrete Masonry Units. 3 rd: Number of bricks in a full triangle of masonry above an opening of 102mm brickwork Stretcher bond when a load-point is intact. Additionally, concrete masonry walls pass the hose stream test unlike other fire rated wall systems. Bevelled-end units, forming a 45° angle with the face of the unit, are used to form walls intersecting at 135° angles. The nominal dimension works within the 4" grid that other construction materials follow. A reinforced masonry wall is made with any type of brick, concrete or … Anand Paul (anonymous) November 9, 2020 0 Comments . • Web – a cross partition connecting face shells within a hollow masonry unit. Description. The nominal dimension of a CMU is the actual dimensionplus the width of the mortar joint. What is the unit weight of brick masonry? As with brick, CMUs have actual dimensions and nominal dimensions. The premium for a medium-weight block compared to normal-weight has increased approximately four times from what is was just a year ago, a premium that most manufacturers feel the market will not bear. 0. The average normal weight concrete masonry unit tips the scales at 34 pounds or more, medium weight units at between 28 and 34 pounds. Depending on the thickness of the wall, the density of the units and the amount of grout used, concrete masonry walls can provide up to a four hour fire rating. Typical CMU mortar joints are 3/8". 41: 60: 69: 88: 47: 63: 80: 94: 52: 66: 86: 103: 4.5: 5.8: 7.2: 8.5: 24" o.c. Typical applications include exterior fences, interior partitions, and openings within interior concrete masonry walls. (254-, 305-, 356-, and 406-mm) units. Concrete Masonry Walls do not burn. Masonry - Densities. 2.In the above problem, design the wall if it is continuous and stiffened by cross wall of 100mm thickness and length of the wall being 3.6m. Session VI, Paper 7, Thermal Performance of Masonry Walls Block-Brick Cavity Wall An uninsulated block-brick cavity wall was constructed of unreinforced 4 in. Unit weight of steel 7850 kg/m3, cement 1440 kg/m3, sand (dry) 1540 to 1600 Kg/ m3, brick 1600 Kg/ m3, Aggregates 1750 kg/m3, bitumen 1040 kg/m3 (51 mm) air gap. Hence the adopted thickness of 100mm with M1 mortar and masonry unit with compressive strength 10N/mm 2 is safe in carrying the load from slab. Aggregate Aluminium Asphalt. More recently, industry is also trying to introduce wood concrete blocks. (254 mm) and greater in width. Related. Grade-A type of blocks is used as load-bearing units and have a minimum block density of 1500 kg/m 3. Dense aggregate blocks have a density in the range 1800 – 2100 kg/m3, while lightweight aggregate blocks (otherwise known as Medium Dense) have with a density in the range 650 – 1500 kg/m3. 1. The TMS 402-11 Building Code Requirements for Masonry Structures shows 4.5 x 10-6/F. Blockwork Brickwork Concrete Glass Steel Timber. The coefficients of thermal expansion of CMUs depend to some degree on density and on the type of aggregate used. The weight of clay brick masonry can vary by more than 30% from the minimum design dead load required by ASCE 7–95 (“Minimum” 1996). Depending on the mortar type, the compressive strength of the wall increases with higher density CMUs. Based on the calculation procedure, the sound transmission class (STC) increases with higher density walls. The International Energy Conservation Code (1994) recognizes most masonry walls that weigh more than 25 lb per square foot as mass walls. unit weight of brick masonry wall & unit weight of brick masonry wall online Wholesalers - choose unit weight of brick masonry wall from 0 list of China unit weight of brick masonry wall Manufacturers. Weight (kg/m 3) Asbestos cement sheets: 12 to 15.6: Brick masonry: 1920: Brick wall, 100 mm thick: 192: Brick wall, 200 mm thick: 384: Brick wall, 300 mm thick: 576: Cement plaster, 25 mm thick: 25: Concrete, plain: 2300: Concrete, reinforced: 2400: Galvanized iron steel, 0.56 mm thick: 5: Galvanized iron steel, 1.63 mm thick: 13: Mangalore tiles with battens: 65: Dry rubble masonry: 2080 Normal Weight is 125 lbs./cu. Masonry Wall Bracing – Restricted Zone Training. There are three density classifications for CMUs: 1) normal weight (125 pcf or more), 2) medium weight (105 pcf to less than 125 pcf) and 3) lightweight (less than 105 pcf). 32 views November 9, 2020. All three density classifications have to meet a minimum net area compressive strength of 1900 psi. Weight (kg/m 2) Code: 0.50mm steel sheet: 5: AS1170.1-2002 TA2: 0.80 mm steel sheet: 10: AS1170.1-2002 TA2: Terra-cotta tiles: 57: AS1170.1-2002 TA2: Concrete tiles: 53: AS1170.1-2002 TA2: 10 mm plasterboard: 8.3: AS1170.1-2002 TA2 92Kg/m2 per 100mm: 13 mm plasterboard: 12: AS1170.1-2002 TA2 92Kg/m2 per 100mm: 12 mm softwood T&G lining: 6.6: 550x0.012: 12 mm hardwood T&G lining: … Units stocked in Normal Weight include Slumpstone TM units and fence units (stucco block, Catalina, Balboa, etc.). In general, fire resistance ratings with lower density walls provide more fire resistance. Normal weight units have an expansion coefficient of about 5 x 10-6/F and the value for lightweight units is about 4 x 10-6/F. As the density of the unit increases, the unit’s weight increases. Weight in kN/m2 U.N.O. Dense aggregate blocks have a density in the range 1800 – 2100 kg/m 3, while lightweight aggregate blocks (otherwise known as Medium Dense) have with a density in the range 650 – 1500 kg/m 3. Based on typical hollow concrete masonry units, the use of lightweight concrete masonry units (less than 105 pcf [1,680 kg/m3] concrete) can increase productivity 10% to 18% over heavyweight Aggregate for the Solid Grouted Wall. Dry Rubble Masonry: 2080 Kg/cu.m: 51. The decision to utilize this information is not within the purview of the MIM, and persons making use of this information do so at their own risk. Lightweight. Concrete blocks masonry or concrete masonry units (CMU) are mainly two type, solid and hollow blocks. Medium … MIM makes no representation or warranties, expressed or implied, with respect to the accuracy or suitability of this information. 16=unit weight of brick(14–16). For further information see the Concrete Block Association  or the Autoclaved Aerated Concrete Products Association, Autoclaved Aerated Concrete Products Association. Wall Thickness Average Weight (psf) of Completed Walls Using Concrete Masonry Units - Grout Weight = 105 pcf Lightweight Medium Weight Normal Weight No Grout in Wall Wall Thickness Average Weight (psf) of Completed Walls Using Concrete Masonry Units - Grout Weight = 140 pcf Normal Weight 135 pcf Solid Grouted Wall Lightweight 103 pcf Medium Weight 115 pcf Typically, at least in southeast Michigan, a medium-weight unit came to be known as the “standard” unit that is inventoried in most block yards. masonry stem (steel reinforcement grouted into hollow concrete blockwork), which is built on a reinforced concrete footing. ft. and over. As a result, many manufacturers have either changed or are in the process of changing their everyday inventory over to normal-weight units. pounds per cubic foot. 3= Height of the wall. Aggregate blocks come in two types. Brick Masonry. Concrete bricks have a density in the range 1900 – 2100 kg/m3 for Commons, Facing and Engineering Quality and 1400 kg/m3 for lightweight bricks. • Solid Masonry Unit– a unit with any recesses being not greater than 10% of gross volume. Concrete block, when built with integral steel reinforcing or in tandem with concrete columns and tie beams and reinforced with rebar, is a very common building material for the load-bearing walls of buildings, in what is termed concrete block structure ( CBS) construction. ... Cracking of boundary walls due to soil settlement or foundation on expansive clay $ 1.00; elay brick separated by a 2 in. Recently, however, expanded slag has become virtually unavailable to southeast Michigan producers, unless trucking the aggregate in from neighboring states or even Ontario. 103 pcf. The 2006 edition of ASTM C 90 included slightly reduced minimum face shell thickness requirements for concrete masonry units 10 in. Please use this Bulletin as a guide when specifying concrete masonry units (CMUs). They are manufactured in required shape and sizes. Units in adjacent courses overlap to form a … Aircrete blocks have a density in the range 400 – 900 kg/m 3. Depending on the … Let us assume thickness of wall is 100 mm and 3 m height. Uses. These aggregates when mixed with cement and water produce the specific block physical properties inherent to the locally available aggregates. What is the unit weight of brick masonry? The graphic below shows the difference between nominal and actual sizes. These smaller face shells result in slightly lower calculated wall weights for 10, 12-, 14- and 16-in. Variations in clay brick masonry weight have implications not only for structural and acoustical design, but also for design of … Your local block manufacturer should be consulted as to the availability of CMUs having the desired features. Wall Thickness. Brick masonry is done with burnt clay bricks, which suggests a certain quality of the … 20=unit weight of mortar. When designing for moisture management and mitigation in single wythe CMU walls, three levels of defense should be considered: surface protection (properly constructed mortar joints, surface water repellents, surface coatings), internal protection (integral water repellents), and drainage/drying (flashing, weeps, vents). 4 th: Total weight in Kg of brickwork above an opening in a full triangle of masonry within 102mm brickwork Stretcher bond. To assist the designer and specifier, the following are suggested guidelines. The heat capacity (thermal mass) increases with higher density walls. For example, this wall weight is attained with a … Thickness/ quantity of unit. concrete block and 4 in. Concrete block masonry which is also known as concrete masonry unit (CMU) have advantages over brick and stone masonry. Code, typically, requires STCs of not less than 50. Medium Weight 115 pcf: Normal Weight 135 pcf: Wall Thickness: 6" 8" 10" 12" 6" 8" 10" 12" 6" 8" 10" 12" 6" 8" 10" 12" Solid grouted wall: 52: 75: 93: 118: 58: 78: 98: 124: 63: 84: 104: 133: 5.6: 7.6: 9.6: 11.6: vertical cores grouted at: 16" o.c. MIM and its members disclaim liability for damages of any kind, including any special, indirect, incidental, or consequential damages, which may result from the use of this information. Weight in kN/m2 U.N.O. Thermal resistance with lower density walls provide higher R-values. Weights of lighter-weight units may be obtained by direct proportion to the lighter weight of concrete being used. MATERIAL Weight Cinder 108 Haydite 90 Slag 132 Stone (Incl. Gravel) 144 Light Aggregate, No n-Load Bearing 25-50 Light Aggregate, Load Bearing 70-105 Reinforced Cinder 111 Reinforced Slag 138 CONCRETE. Lightweight London stock Normal reinforcement Clear float Mild Softwood. Unit ’ s weight increases designer and specifier, the sound transmission class STC. 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