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Showing posts from August, 2020

Cement Grout Mix Design With Fosroc Cebex 100 Admixture and OPC 43 Cement

Cement grout is a mixture of cement, water, with or without aggregate and with or without admixture. Cement grout is used for crack repairing, filling the voids of Post-Tensioned cable in prestressed concrete bridges etc. STIPULATIONS FOR PROPORTIONONG Type of Mix : Cement Grout Type of Cement : OPC-43 Maximum water cement Ratio : 0.45 (As Per MORT&H 5th Rev. Appendices-1800/III Degree of supervision : Good Admixture : Fosroc Cebex 100 MATERIALS DETAILS MATERIAL DESCRIPTION SOURCE BATCH NO/WEEK NO Cement OPC-43 Ramco cement 40/2018 Water - Bore Water - Admixture Cebex 100 Fosroc Chemicals (India) Pvt.Ltd. IN1MF00407003K SELECTION OF WATER-CEMENT RATIO As per Admixture recommended Dos...

SPECIFICATION OF RAINGAUGE

 SPECIFICATION OF RAINGAUGE  (100 & 200 MM RAINFALL) The selection of rain-gauges are depends on the maximum daily amount of rainfall for the location. Generally 100mm and 200mm with 200 cm2  collector are used for normal rainfall in most of the location in India. For heavy and very heavy rainfall , 400mm & 1000mm with 100cm2 collector are used. REFERANCE CODE: IS: 5225-1992 Nominal Measuring Capacity & Combinations Measuring Capacity (Rainfall-mm) Collector Area (cm2) Base Bottle Capacity in Litre 100 200 Small 2 200 200 Small 4 400 100 Small 4 1000 100 Large 10    

HOW TO INSTALL RAINGAUGE AT CONSTRUCTION SITE

What is the purpose of  Rain-gauge  installation at construction site ? Rain gauge is an important equipment for a Big Construction Project because some time it's need to be extent the time duration of project milestone or project completion date when due to heavy rain the project work flow become slow. Rain gauge helps to prepare the weather reports which may be required to submit for extension of the time duration. 2. Reference code for rain-gauge installation. IS-4986 :2002 3. Installation Procedure: The gauge shall be placed on level ground not upon a slope or terrace and never on a wall or roof. On no account the rain-gauge shall be placed on a slope such that the ground falls away steeply on the side of the prevailing wind. The distance between the rain-gauge and the nearest object should generally be four times the height of the object, but never shall be less than twice the height of the object. The rain-gauge shall be fixed on a masonry or concrete foundat...