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Aliphatic and Aromatic

Aliphatic and Aromatic Polyurethane membrane Difference (2023)

Difference Between Aliphatic and Aromatic Polyurethane membrane Aliphatic polyurethane has several benefits, including: The following benefits of aromatic polyurethane: Aliphatic and aromatic polyurethane differences  Aliphatic  Aromatic   UV Stable UV resistant    Good mechanical strength High Mechanical strength  High cost Less Cost   Clear and Colorless coating Colourfull   Non yellowing effects Yellowing effects            

Thermal Conductivity

Thermal Insulation system | Applications, Definition, and Science of Thermal Conductivity |

The term “thermal conductivity” describes a material’s capacity to transmit or transfer heat. In addition to the letter “k,” it can also be represented by the symbols “” and “.” Thermal resistivity is the name given to this quantity’s reciprocal. High thermal conductivity materials are employed as heat sinks, whilst low thermal conductivity materials are …

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control joint

Control joint

Control Joint:- To control the movement caused by the Temperature and drying shrinkage because of the hygrometric nature of cement, Generally schedule surface cracks that are called Control joints. Depth of the Control Joints:- Should be a minimum of 1/4 of the depth of the slab. Spacing between the control joints: –   Slab Thickness  Spacing …

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BS 1881-112 : Part 112: Methods of accelerated curing of test cubes

Scope  This Part of this British Standard describes the methods of accelerated curing of concrete test cubes at 35 °C, 55 °C, and 82 °C. NOTE The titles of the publications referred to in this standard are listed on the inside back cover. Cooling tank:- A cooling tank is constructed from any material which is …

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BS 1881 -111 : Part 111: Method of normal curing of test specimens (20 °C method)

Scope  This Part of this British Standard describes the method of normal curing of concrete specimens (cubes, beams, or cylinders made in accordance with Parts 108, 109 and 110 of this British Standard) at 20 °C for strength tests at the ages of 1 day and over.  NOTE The titles of the publications referred to …

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BS 1881 :110 : Part 110: Method for making test cylinders from fresh concrete

 Scope  This Part of this British Standard describes a method for making test cylinders of nominal diameter 100 mm and 150 mm out of fresh concrete. The method applies to plain and air-entrained concrete made with lightweight, normal weight and heavy aggregates having a nominal maximum size not exceeding 20 mm for 100 mm cylinders …

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BS 1881 -109 : Part 109: Method for making test beams from fresh concrete

Scope  This Part of this British Standard describes a method for making test beams of nominal sizes 150 mm × 150 mm × 750 mm long and 100 mm × 100 mm × 500 mm long out of fresh concrete. The method applies to plain and air-entrained concrete made with lightweight, normal weight and heavy …

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BS 1881-108 : Part 108: Method for making test cubes from fresh concrete

Scope This Part of this British Standard describes a method for making test cubes of nominal sizes 100 mm and 150 mm out of fresh concrete. The method applies to plain and air-entrained concrete made with lightweight, normal weight and heavy aggregates having a nominal maximum size not exceeding 20 mm for 100 mm cubes …

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