Suryakanta It appears to be a common construction practice that bored piles are normally cast up to a piling platform much higher than the formation level of pile caps. Then, the excessive pile length has to be cropped and removed to the correct level for the subsequent construction of pile cap. The reasons of such practice … Read more
Civil Engineering is 50% common sense but common sense is that sense which is quite uncommon. -Sharat Chandra Gupta- Ornaments should not be added to buildings unless it has a definite purpose or clearly reflects the activity inside, and materials should never be camouflaged to look like something they were not. -William Jerry- The driving … Read more
Stacking and Storing of Bricks at Site Stack the bricks close to the site of work so that less effort is required to unload and transport the bricks again by loading on pallets or in barrows. Different types of bricks (such as clay bricks, clay fly ash bricks etc) shall be stacked separately. Bricks of … Read more
Reference IS 3952-1988 – Specification for burnt clay hollow bricks for walls and partitions. General Quality o Bricks shall be free from cracks and flaws and nodules of free lime. o Bricks shall have smooth rectangular faces with sharp corners o Bricks shall be of uniform in colour and texture. o Bricks shall be free … Read more
REFERENCE IS-3952-1988-Specification for the burnt clay hollow bricks used for walls and partition Objective To determine the water absorption of burnt clay hollow bricks used for walls and partitions. Equipment Name Capacity Balance Sensitive to 0.1% of mass of specimen Oven 110 to 1150C Procedure Dry the specimen in an oven maintained at a … Read more
Bricks should be soaked in water before using it in any brick work. Soaking of bricks has the following advantages. Advantages Wetting of bricks removes any dirt, sand and dust from them. Soaked bricks prevents suction of water from the wet mortar. If dry bricks are used then it will absorb water from mortar and … Read more
Objective To determine the consistency of masonry mortar Apparatus Standard Cone Apparatus having following parts and dimensions Penetrating Cone Conical Container Weight = 300 g,Height = 150 mm, Base dia = 75 mm Top dia=150 mm,Height = 180 mm Tamping Rod Procedure Fill the conical container with the mortar to a level that is 1 … Read more
From durability point of view, the grade of masonry mortar to be used for a given work is primarily dependent upon the following two factors. Loading condition Exposure condition Considering the above two factors the suitable grade of masonry mortar to be used for different works is given in the following table. Generally cement mortar … Read more
Masonry mortars are specified as different grades depending upon their minimum compressive strength, when tested at an age of 28 days. Different grades of cement mortar and their mix proportions are given below. Different Grades of Cement Mortar Grade Name Mortar Mix (by Loose Volume) Compressive Strength at 28 days (in N/mm2) Cement Sand MM … Read more
Grading Limit of All in Aggregate Sieve Size Percentage of Passing For All-in-Aggregate 40 mm Nominal Size 20 mm Nominal Size 80 mm 100 – 40 mm 95 – 100 100 20 mm 45 – 75 95 – 100 4.75 mm 25 – 45 30 – 50 600 micron 8 – 30 10 – … Read more