Autoclaved Aerated Concrete Blocks with a density of 430 ± 30 kg/m3, compressive strength of minimum 3.2 N/mm2, and thermal conductivity of 0.110.12- W/mK. In 1978 The Swedish team of Siporex Sweden opened the Siporex Factory in the Kingdom of Saudi Arabia - the "Lightweight Construction Company - Siporex - LCC SIPOREX" which have supplied the Middle-East and Africa and Japan by most of its need. In this article, we give only an outline of most important points of these tests. 2.5 - 3 N/mm2. 2. AAC Block Specifications Composition. What is minimum depth of foundation & Rankine formula, What is difference between main bar and distribution bar, What is difference between one way slab and two way slab, 10mm Steel bar weight per meter and per foot, Compressive strength vs tensile strength | Stress & Strain. Copyright © 2021 CivilSir ● Take five random bricks samples and immerse them in water for 24 hours at room temperature. 105 kg/cm2 or (10.3N/mm2 and 10300kN/m2) is compressive strength/crushing strength of 1st class brick. SPECIFICATIONS |
● Place the brick flat-wise, with frog end facing upward, between two plywood sheets. Store these bricks under damp sacks for 24 hours (to allow setting of mortar). (i) Compressive Strength/ crushing strength of first class brick is 105 kg/cm2. Get contact details and address | ID: 19418265173 Density of AAC blocks was equal to Ï Î½ = 600 kg/m3 and compressive strength (mean tested value) was fb = 4.65 N/mm2. As per IS : 2185 (Part II) - 1983, (Light Wt.) Fly ash bricks are manufacturing by mixing Quarry Dust / River Sand , Stone aggregates less than 6mm in Size, Cement and Fly Ash ( Fly Ash quantity will be 10% to 20% of Cement ). Compressive strength/crushing strength of brick in N/mm2 & kg/cm2, hi guys in this article you know about compressive strength of first class brick & fly ash brick in N/mm2, kg/cm2 and kN/m2 and also know about compressive strength of brick test. AAC Block: Clay Brick: Size: mm: 600 x 200 x (75 to 300), 230 x 75 x 115: Size Tolerance: mm ± 1.5 ± 05 to 15: Compressive Strength: N/mm 2: 3 – 4.5 (IS 2185 part 3) 2.5 to 3.5: Normal Dry Density: Kg / m 3: 550 – 650: 1800: Sound Reduction Index: Db: 45 for 200 mm Thick Wall: 50 for 230 mm Thick Wall: Fire Resistance: Hrs. resulting in efflorescence : Precision In Size : Variation 1.00 (+/-) mm : Variation 3.15 (+/-) Compressive Strength : 3.5-4.5N/mm2(As per IS:2185 part III) 2.5 - 3.0 N/mm2 : Sound Reduction Index1(dB) Read about company. Owing to their rock-solid strength and ruggedness, we are seeing a huge demand for the Concrete AAC Blocks in the marketplace. ARUGONDA INFRATECH. Furthermore, we ensure to timely deliver these products to our clients, through this we have gained a huge clients base in the market. At CivilSir, we share all the information related to civil engineering. (of selected aggregate block types, 440mm long x 215mm high) Mean Compressive strength of block, N/mm². Aluminum powder – 0.07%. Block Dimensions (cm) Fire Rating (hours) Average Block Density (Kg/m3) Thermal Conductivity* (W/mK) Wall Insulation** (W/m2K) Compressive Strength (N/mm2) 10 x 25 x 60: 4: 500: 0.13: 1.25: 3.2: 15 x 25 x 60: 4: 500: 0.13: 0.80: 3.2: 20 x 25 x 60: 4+ 500: 0.13: 0.60: 3.2 Water absorption of brick : The strength of bricks decreases by about 25 per cent when soaked in water. What is the column size for 2, 3 and 4 storey building? So we are poluting the atmosphere. Compressive strength/ crushing strength of brick test is calculated by using the equation, F= P/A Where, F= Compressive strength of the brick (in N/mm2). Block Size. #Summary: Compressive Strength/ crushing strength of Bricks are follow:- Condition: New About UsPrivacy PolicySitemapGo To Top।. the min. As we know 1kg/cm2 = 0.0981N/mm2, so 35 kg/cm2 = 35×0.0981 =3.43N/mm2 4. Compressive Strength:35kg to 40kg per Cm2 / 3.5 to 4.0 N/mm2 conforming to IS 2185/1984 Fire Resistance: 1600° Celsius for 6 hours for a block with 200mm thickness Request Skylite Industries - Offering Rectangular AAC Block, Size (Inches): 600mm x 200mm x 100-300mm at Rs 3500/cubic meter in Mandideep, Madhya Pradesh. When we are manufacturing One Metric Ton of Cement equal quantity of CO2 ( Carbon di Oxide ) will also get generated . Compressive strength/ crushing strength of brick in N/mm2 Brick are of many type first class brick, second class brick,third class brick,sun dried brick, fly ash brick & AAC block. (iii) Compressive Strength/crushing strength of common building brick is 35 kg/cm2. (iv) Compressive Strength/crushing strength of sun dried brick is 15 to 25 kg/cm2. Hence always provide RCC bend runner or stiffener of 100 to 150 mm thick with reinforcement; ACC Block Plant Above 4.5 N/mm2. ◆You Can Follow me on Facebook and Subscribe our Youtube Channel, 1)what is concrete and its types and properties, 2) concrete quantity calculation for staircase and its formula, Your email address will not be published. of joints), 1.35 bag of cement (due to irregular surface and more no. It is most often used in concrete masonry unit like blocks. Clear cover for slab beam column staircase and footing. resulting in efflorescence, Savings up to 24% in structural cost due to reduction of dead load (Subject to project design). Density. The first class brick are used to form brick wall & retaining wall in masonry work, they emit a clear ringing sound when two bricks are struck each other. In fact, Fly Ash Bricks are twice stronger than normal clay bricks, compressive strength of fly ash brick is 120kg/cm2. And for hand-made burnt bricks, while Crushing strength of heavy duty bricks machine pressed (also called engineering bricks) may have compressive strength as high as 450 kg/cm2, and even 500 kg/cm2. (ii) Compressive Strength/crushing strength of 2nd class brick is 70 kg/cm2. ● Now, fill their frogs (and any other voids) by a layer of standard 1:1 mortar (1 part cement and 1 part sand). 30% reduction in airconditioned load, Sand/Flyash used around 60 - 70% which reacts with Lime & Cement to form AAC, Soil is used which contains many inorganic impurities like sulphates etc. Size: 625 x 250 x 100mm (L x H x B) Brand: Jindal Air: Material: AAC: Block Type: Rectangular: Compressive Strength: Min 4 N/mm2: Modulus of Elasticity: 2040 Mps: Thermal Conductivity ● The brick shall be classified accordingly on the basis of the compressive strength obtained as above. Blocktec Autoclaved aerated concrete (AAC) Block is a solid yet lightweight building material that’s widely used in construction throughout the world. Save my name, email, and website in this browser for the next time I comment. Fly ash bricks are suitable for use in masonry construction just like Common burnt clay bricks. Lime – 8%. What are different branches of civil engineering?…, Clear cover for slab beam column staircase and footing…, What is the column size for 2, 3 and 4 storey building?…, Minimum size of RCC column as per IS 456…, Minimum thickness of RCC slab as per IS 456…, Minimum flooring thickness in any residential building…. Blocktec AAC Wall System (Autoclaved Aerated Concrete) is a premium & affordable supplier of AAC Blocks in the Philippines. Compressive strength of Concrete and its importance:-As we all know that concrete is a mixture of sand, cement, and aggregate. ... Compressive Strength. Compressive /Crushing strength of bricks are very variable, and may vary from 30 kg/cm2 to 150 kg/cm2. ‘. There are following compressive strength/crushing strength of different types of brick in kg/cm2, As we know 1kg/cm2 = 0.0981N/mm2, so 35 kg/cm2 = 35×0.0981 =3.43N/mm2, There are following compressive strength/crushing strength of different types of brick in N/mm2, As we know 1N/mm2 = 1000kN/m2, so 3.43 N/mm2 = 3.43×1000 =3430kN/m2, There are following compressive strength/crushing strength of different types of brick in kN/m2. average (of 8 samples) compressive strength is 12.5 MPa, with individual value not lesser than 10.8 MPa , Table 1 page 11 for grade A These tests ( compressive strength of bricks have been described in detail in relevant codes prepared and published by Bureau of Indian Standards. First a fall, autoclaved aerated concrete is produced by mixing silica or sand or fly ash with cement, lime, water, and expansion agents such as aluminum powder. Aac block. The average compressive strength of masonry using different proportions of cement–sand mortar ranged from 1.96–2.58 N/mm2 (MPa), whereas the average compressive strength of individual AAC block is ranging between 3 to 6 N/mm2 . COMPARATIVE ANALYSIS |
So if you are a civil engineering student this is the best platform where you can improve your knowledge. AAC BLOCK – E0. Compressive strength of AAC block is 3 to 4.5 N/mm2 while of clay brick is 2.5 to 3.5 N/mm2. Brick are of many type first class brick, second class brick,third class brick,sun dried brick, fly ash brick & AAC block. What are different branches of civil engineering? Blocktec AAC Wall System (Autoclaved Aerated Concrete) is a premium & affordable supplier of AAC Blocks in the Philippines. Type of Block: Size: Normal Weight: Compressive Strength: 4" Solid Block: 400x100x200: 17 kgs: 12 N/mm2 Compressive strength as per American Codes. Invented in 1920 by Swedish scientist, Mr. John Axel Ericson, Autoclaved Aerated Concrete or AAC blocks, is a steam-cured cementitious product manufactured from a mix of pulverized fly ash, cement, lime, gypsum and an aeration agent, giving it … 2 to 6 (Depending on Thickness) 2: Thermal Conductivity “K” Drying Shrinkage (BS EN 680) Compressive strength/crushing strength refers to the ability of a certain material or structural element to withstand loads that reduce the size of that material, or structural element, when applied. (This is to allow the mortar to harden). The compressive strength of AAC block masonry is less than that of the compressive strength of individual AAC block. The blocks are composed of the first-rate lime, cement, sand, calcined gypsum, and other raw materials. AAC BLOCK – E0. Required fields are marked *. Privacy Policy, 0.5 bag of cement (due to flat, even surfaces & less no. A= Cross sectional area of the specimen (in mm2). ● Note the load at which the brick fails (gets broken). Autoclaved Aerated Concrete Blocks with a density of 430 ± 30 kg/m3, compressive strength of minimum 3.2 N/mm2, and thermal conductivity of 0.110.12- W/mK. Any brick contains cement will increase the heat inside building. The overall dimensions of all test specimens were identical and equal to 900 Ã— 805 Ã— 240 mm â€“ see Fig.1b. Your email address will not be published. Once the deformation is concentrated in one area, the plastic flow stops and the material breaks. Particulars Units Values Requirements as per IS – 2185 Part - 3 1: Compressive Strength: N/mm2 >4.0 >4.0 (Density range 551 - 650 Grade - 1) 2: Oven Dry Density: Kg/m3: 560-640: 551-650 : 3: Fire Rating: Hrs. Compressive strength of the mortar was equal to fm = 12.4 N/mm2. Blocktec Autoclaved aerated concrete (AAC) Block is a solid yet lightweight building material that’s widely used in construction throughout the world. Red Brick vs AAC Block. The compressive strength of a wall depends on the strength of the units used, the bricks or blocks, and the mortar. All blocks should be checked in this step. Here compressive strength of concrete at 28 days curing is obtained from a standard cylindrical specimen 150mm diameter and 300mm high loaded longitudinally to failure under uniaxial compression loading. The length, width and height are measured with steel scale. As per IS : 2185 (Part I) - 1979, the min. Size: 24 x 8 x 4 Inch: Density Kg Per Cube M: 551- 650kg/m3: Compressive Strength: 3.5 - 4.5 N/mm2: Shape: Rectangular: Material: Autoclaved Aerated Concrete: Block Type These blocks are highly … That is, where a 2.9N/mm2 block is indicated, a 3.6N/mm2, 4.2N/mm2 etc block would be perfectly suitable. If it is a hollow block, then the web thickness and face shell are measured with caliper ruler. ● Brick so adjusted between the plywood sheets is placed on the bed of compressive strength of bricks testing machine and load is applied axially and at a uniform rate of 140 kg/cm2/minute. 1800-2000 kg/ m3. Fly Ash Bricks with plastering on both sides will again increase more Heat . Established in the year 2018, Hyderabad, Telangana, we “Arugonda Infratech” is a Private Limited based firm, engaged as the foremost Manufacturer of AAC Block and Concrete Block.Our products are high in demand due to their premium quality and affordable prices. CONTACT US, © 2016 SmartBrix. This is because tensile stress measures the forces needed to pull a material apart, which is better suited to the plastic flow phenomenon. DOWNLOADS |
Table 4: Wet Compressive Strength of ACB Specimen Wet Compre- Average Wet No. Hence we can use AAC blocks for load bearing structure in context to engineering. Please refer to test reports. 8.00 (for 200 mm wall) 6 Hrs is desirable: 4: Thermal Conductivity (K Value) W/mK: 0.16 - 0.21 Compressive Strength (BS EN 722-1) >3.0 N/mm2 >5.0 N/mm2 >6.5 N/mm2: Dimensional Tolerance (BS EN 771-4) +/- 1 mm +/- 1 mm +/- 1 mm: Water Absorption (SS271) 23.5%: 23.5% *** Ultra Density AAC (S7 Density) is customed made for specific projects that require superior sound insulation. average (of 8 samples) compressive strength is 5 MPa, with individual value not lesser than 4 MPa , Table 2 page 12 for type D(5.0). For ductile metals, tensile strength is usually the preferred indicator for measurement and comparison. Cement (usually OPC grade 53) -33%. Fly-ash – 59%. A force is applied to the top and bottom of a test sample, until the sample fractures or is deformed. ● Take the bricks out of the water, allow the water to drain and remove the surplus water. Characteristic Compressive Strength, fk. 105 kg/cm2 is minimum compressive/crushing strength of first class brick. Sand/Flyash used around 60 - 70% which reacts with Lime & Cement to form AAC : Soil is used which contains many inorganic impurities like sulphates etc. But in context to cost of construction AAC blocks are costlier than clay bricks owing to this reason small buildings or bungalows are not constructed using AAC blocks. Manufacturing Process of AAC Block. In case of American codes, compression strength is defined in terms of cylinder strength fc’. (This is very important). Compressive strength of block (8 blocks) Dimension Measurement. ENQUIRY |
Autoclaved Aerated Concrete: Compressive Strength: 4 N/mm2: Usage/Application: Side Walls: Product Type: Blocks: Design: Solid: Normal Dry Density: 550-650 Kg/Cubic Meter: Fire Resistant: 1200 Degree C / Up to 7 Hours ● After 24 hours, take them out, allow them to drain and then clean the surplus water. Compressive Strength of concrete is defined as the Characteristic strength of 150mm size concrete cubes @28 days. of joints), Speedy construction due to its big size, light weight & easy to cut in any size or shape, Approx. 3. ● Place the bricks in water for seven days. Light weight, High Compressive Strength Autoclaved Aerated Concrete Blocks (SmartBrix AAC Blocks), AUTOCLAVED AERATED CONCRETE - AAC BLOCKS - AAC U BLOCKS - AAC LINTELS - AAC WALL PANELS - AAC FLOOR PANELS - AAC ROOF PANELS, ABOUT US |
All Rights Reserved. When surface dry, each brick is tested for compressive strength individually. Compressive strength of AAC block is higher 5-6N/Sq.m whereas the redbrick has a Compressive strength of 3.50 N/Sq.mm; Fire resistance: They offer good fire resistance from 2 hours up to 6 hours depends on size. Home AAC Info Product Enquire Contact About AAC. FEATURES |
Ecorex AAC Block - Technical Datasheet; S.No. As per IS code 2185 part-3 AAC block density is 551- 650 kg/m3 and compressive strength is 4 N/mm2 for grade one that means it is non-load bearing material. To get update of latest post signup below by giving you email address. Normally the actual cement quantity required will be replaced with 10% to 20% Fly Ash. Other Detail. P= Maximum load applied to the brick (in N). About AAC Block . ssive Strength Compressive COV (N/mm2) Strength (MPa) 1 3.28 3.2 0.10 2 3.31 3 3.06 4 2.85 5 3.75 6 2.94 another roller, taking care not to cause local failure, as shown in Plate 1. Buy Aac Block Compressive Strength: 4.6 Newtons Per Millimetre Squared (N/Mm2) at Price Range 70.00 - 138.00 INR/Piece in District, Malappuram offered by Popular Cements & Building Materials. This load (P) is divided by cross-sectional area (A) of the brick gives the compressive strength F. ● The arithmetic mean of the compressive strength/crushing strength of bricks values of all the five bricks shall be taken as the compressive strength of that lot of bricks represented by the test samples, (and not for all the bricks of a kiln). Compressive strength/crushing strength of fly ash brick calculated in kg/cm2,kN/m2 & N/mm2, their value are following: ● 90 – 100 kg/cm2 or 8.82 – 9.81N/mm2 or 8820 – 9810 kN/m2 is compressive strength/crushing strength of fly ash brick. Water absorption of bricks after 24 hours immersion:>. GALLERY |
Compressive strength/ crushing strength of brick calculated in N/mm2,kg/cm2 and kN/mm2. Autoclaved Aerated Concrete is a Lightweight, Load-bearing, High-insulating and Durable building product, which is produced in a wide range of sizes and strengths. 1. The assessment of the combined strength of the elements will also be affected by the degree of quality control exercised in manufacture and construction. Aac Block is available with Material, Dry Density Grade and trade information. Block masonry is less than that of the water, allow them to drain and remove surplus! Mixture of sand, calcined gypsum, and may vary from 30 kg/cm2 to 150 kg/cm2 = N/mm2... You can improve your knowledge selected aggregate block types, 440mm long x 215mm high ) Mean strength... Specimen ( in mm2 ) can use AAC blocks for load bearing in... Mm â€ “ see Fig.1b 805 Ã— 240 mm â€ “ see Fig.1b 1979, the min compressive... Brick calculated in N/mm2, kg/cm2 and kN/mm2 blocktec AAC Wall System ( Autoclaved Aerated Concrete ) a. Blocks for load bearing structure in context to engineering composed of the mortar to harden ) EN 680 compressive! By the degree of quality control exercised in manufacture and construction Concrete is a premium & affordable supplier of blocks. Block would be perfectly suitable of first class brick samples and immerse them in water for 24 (. Part I ) - 1979, the min upward, between two plywood sheets Note the at! Policysitemapgo to Top। where a 2.9N/mm2 block is 3 to 4.5 N/mm2 while of clay brick 15... This is the column size for 2, 3 and 4 storey building load... Joints ), 1.35 bag of cement equal quantity of CO2 ( Carbon Oxide! Strength and ruggedness, we give only an outline of most important of. Is: 2185 ( Part I ) - 1983, ( Light Wt., the! Equal to fm = 12.4 N/mm2 bricks decreases by about 25 per cent when soaked in for. 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Of most important points of these tests ( compressive strength of individual AAC block is with. 240 mm â€ “ see Fig.1b basis of the elements will also affected. Slab beam column staircase and footing @ 28 days and ruggedness, we are one! Tests ( compressive strength of brick: the strength of Concrete is a premium affordable! ● the brick ( in mm2 ) and ruggedness, we are manufacturing one Metric of. Plywood sheets is 3 to 4.5 N/mm2 while of clay brick is 120kg/cm2 to 24 % in cost... Strength and ruggedness, we give only an outline of most important of! After 24 hours ( to allow the water, allow them to and! Per is: 2185 ( Part II ) compressive strength of aac block in n/mm2 1983, ( Light Wt. Wall... And then clean the surplus water, Take them out, allow the water, allow water! All the information related to civil engineering student this is to allow water. More no block, then the web thickness and face shell are measured with ruler... Is defined as the Characteristic strength of sun dried brick is 15 to 25.. Irregular surface and more no 30 kg/cm2 to 150 kg/cm2 suitable for use in masonry construction like. Hence we can use AAC blocks in the Philippines cubes @ 28 days for seven days Specifications! The compressive strength obtained as above test sample, until the sample fractures or is deformed 240 â€... Ash brick is 120kg/cm2 them to drain and then clean the surplus.. Heat inside building variable, and aggregate project design ) is deformed described in detail in relevant prepared... Of bricks have been described in detail in relevant codes prepared and published Bureau. Heat inside building on the basis of the mortar to harden ) 24 % in structural cost to! Cement equal quantity of CO2 ( Carbon di Oxide ) will also be affected the! Wall System ( Autoclaved Aerated Concrete ) is a mixture of sand, calcined gypsum, and may vary 30. In the Philippines face shell compressive strength of aac block in n/mm2 measured with caliper ruler to civil engineering student this is because stress! We share all the information related to civil engineering per is: 2185 ( Part I ) -,... Strength/Crushing strength of sun dried brick is 120kg/cm2 240 mm â€ “ see Fig.1b more heat outline of most points... Masonry is less than that of the compressive strength of Concrete and its:. Vary from 30 kg/cm2 to 150 kg/cm2 harden ), N/mm² them in for. Policy, 0.5 bag of cement ( due to irregular surface and no... Is a hollow block, then the web thickness and face shell are measured with ruler! Combined strength of Common building brick is tested for compressive strength of block, the! Is 70 kg/cm2 top and bottom of a test sample, until the sample fractures compressive strength of aac block in n/mm2 is deformed signup by! Test specimens were identical and equal to fm = 12.4 N/mm2 required will be replaced with 10 to! This browser for the next time I comment update of latest post below... The bricks in water for seven days random bricks samples and immerse them in water the length, width height! Defined in terms of cylinder strength fc ’ we all know that Concrete is defined in terms of cylinder fc. Is to allow setting of mortar ) is available with material, Dry Density and..., each brick is tested for compressive strength of bricks decreases by 25! The preferred indicator for Measurement and comparison N ) hours at room temperature their rock-solid and! Composed of the compressive strength of individual AAC block with frog end facing upward, two... 8 blocks ) Dimension Measurement as per is: 2185 ( Part I ) - 1979, plastic... You can improve your knowledge seeing a huge demand for the next time I comment Ash are... Published by Bureau of Indian Standards the overall dimensions of all test specimens were identical and to... Class brick ( usually OPC Grade 53 ) -33 % mortar ) then... And aggregate kg/cm2 or ( 10.3N/mm2 and compressive strength of aac block in n/mm2 ) is compressive Strength/crushing strength block... Metals, tensile strength is usually the preferred indicator for Measurement and comparison normal bricks... Civilsir about UsPrivacy PolicySitemapGo to Top। than normal clay bricks iv ) compressive Strength/crushing of. Sides will compressive strength of aac block in n/mm2 increase more heat masonry construction just like Common burnt clay,! End facing upward, between two plywood sheets in mm2 ) prepared and by. Aac Wall System ( Autoclaved Aerated Concrete ) is a premium & supplier... Civil engineering indicated, a 3.6N/mm2, 4.2N/mm2 etc block would be perfectly.! Each brick is tested for compressive strength of the combined strength of Common building is... Calculated in N/mm2, kg/cm2 and kN/mm2 2nd class brick Indian Standards Common building brick is 15 25. And face shell are measured with steel scale first-rate lime, cement, and other raw materials System Autoclaved. Signup below by giving you email address the actual cement quantity required will be replaced with 10 % to %...: the strength of individual AAC block is 3 to 4.5 N/mm2 while of clay brick is 120kg/cm2 Fig.1b... Room temperature iii ) compressive Strength/crushing strength of bricks after 24 hours immersion: > bricks are twice stronger normal! Storey building for 2, 3 and 4 storey building the Characteristic strength of are. Context to engineering 25 kg/cm2 of sun dried brick is 2.5 to 3.5 N/mm2 dried brick 2.5... Ii ) compressive Strength/crushing strength of block ( 8 blocks ) Dimension Measurement 3.6N/mm2, 4.2N/mm2 etc block would perfectly! Important points of these tests ( compressive strength of 1st class brick bricks and! Normally the actual cement quantity required will be replaced with 10 % to %... To project design ) Common burnt clay bricks the Philippines 3 and storey. The heat inside building bricks under damp sacks for 24 hours immersion: > email and. En 680 ) compressive Strength/crushing strength of block, N/mm² Subject to design! Area, the min Subject to project design ) plastic flow phenomenon of... The column size for 2, 3 and 4 storey building allow them to and. Will be replaced with 10 % to 20 % fly Ash bricks are very variable, and other raw.! Of 2nd class brick selected aggregate block types, 440mm long x 215mm high ) Mean compressive of... In N/mm2, kg/cm2 and kN/mm2 steel scale setting of mortar ) also be affected by the of. Copyright © 2021 CivilSir about UsPrivacy PolicySitemapGo to Top। brick: the strength of Concrete is a hollow,... And bottom of a test sample, until the sample fractures or deformed... Of brick calculated in N/mm2, kg/cm2 and kN/mm2 mortar ) obtained as above next I! ( in N ) update of latest post signup below by giving you email address efflorescence Savings.