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Question
In case of concrete pavement, why is requirement of 95% by mass of quartz grains are specified in contract?
Answer In universal Specification of Civil Engineering, in Clause 10.09 it states "Fine aggregate for concrete shall be usual river-deposited sand consisting of at least 95 percent by mass of quartz grains". Aim of such requirement is to control excellence of river sand. As quartz is a strong and hard material, using a far above the ground percentage of quartz in aggregates of concrete is able to enhance strength and durability of surface texture of concrete carriageway.
In adding, such specification needs a high percentage of quartz content, thereby dropping the probability of being there of impurities as shell.
Q. Design a water supply scheme for new Railway colony based on the following data's. i. Requirement of Loco and domestic consumption 5 lacs gallon per day. ii. Source of wat
if we take brass & steel and on applying temperature the brass contracts the steel expands how it is possible
why is it done.
what are The regulations and specification that followed for compaction works for earth dam in Oman.
To determine the specific gravity of fine aggregate (sand) by Pycnometer.
Define Dupuit Equations for Unconfined Aquifers Using natural log: Q = ΠK((h 2 ) 2 - (h 1 ) 2 )/ln(r 2 /r 1 ) Using log 10 : Q = K((h 2 ) 2 - (h 1 ) 2 )/((1,055)l
WHAT LUG ANGLE
Attached information shows construction details of a water tank. The slab was poured in one pour and the walls (incl. Baffles) were poured in two even sections. Forms were stripped
Maintenance of Concrete Roads: The main defects that show up in a concrete road are : (a) cracks (b) loss of sealant (c) spalling at joints (d) loss of texture
Question For underwater concreting, tremie pipes are normally used with aid of hoppers. From time to time tubes are put in inside the hoppers and with reasons? Answer
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