Civil Diary Online

▶ Initial & Final setting Time of cement & concrete Minimum thickness of slab is 125 mm. Water absorption should not be more than 15 %. Dimension tolerance for cubes + – 2 mm. Compressive strength of Bricks is 3.5 N /mm2 Maximum Free fall of concrete allowed is 1.50 m. In soil filling as per IS code for every 100 sqm 3 sample for core cutting test should be taken. Electrical conduits shall not run in column Earth work excavation for basement above 3 m should be stepped form Any back filling shall be compacted 95% of dry density at the optimum moisture content and in layers not more than 200mm for filling above structure and 300 mm for no structure F soling is specified the soling stones shall be laid at 45° to 60° inclination (and not vertical) with interstices filled with sand or moorum. A set of cube tests shall be carried out for each 30 cum of concrete / each levels of casting / each batch of cement. Water cement ratio for different grades o...

November 11, 2017 Keep Visiting Types Of Scaffolding In Building Construction: Scaffolding is a temporary rigid structure having still, bamboo or timber platforms raised up with increasing the building height. It enables the mason work at different stages of a building and takes up the materials for the immediate use at various heights. Different types of scaffolding are used depending upon the types of construction. Useful Terms Related To scaffolding: 1. Standard: It is a vertical member supported on the ground. 2. Ledgers: Ledgers are the longitudinal horizontal members connected with standards. 3. Braces: Braces are the diagonal members that are connected with standards to stiffen the structure. 4. Put Logs: Put logs are the transverse horizontal members that are 90 cm in length and are generally spaced 120 cm apart. They are provided to support the working platform. 5. Transoms: When both the ends of put logs are connected with ledgers, it is called transoms. ...