Hi. Some days when we are coring in rocks,sometime mudstone and muddy material get stuck in the core tube as a result the opperatore open the tube along with the core sample inside. They tried hard to get out the core from tube at this process they hit the tube on ground due to which the core...
If Atterberg limits are totally depandent on clay size particals,then why atterberg not used #200 sieve in astm D4318. As he use #40 sieve pass material
Rienforced concrete chutes have been constructed on highyway embankment side slope. Rain water erode almost all the material beneath the chutes. How we can correct this problem to stablized the chutes. Is there any proper method or remedy for this issue.
Why during sand equivalent test the reported value should be taken to the nearest higher whole number..is there any scientific reason for that or its just for the purpose of ease..thanks
Why is there a difference between these two formulas. formula for calculation of water %age in soil vs formula for bitumen %age in asphalt mix in exraction test. Water%= wt of water/ dry wt of soil . . and the bit%= wt of bit/ whole sample wt include bitument..thoughtful
What is the main difference and purpose of density and specific gravity of material in civil lab work.why not just one of them..please put some light on it other then general difinition of both..i need some extra information..advance thanks
Is it possible for a natural material to pass safely through #200 sieve in dry condition..i mean is there any posibility for a #200 sieve retain particle to break down during shaking process and pass through.if yes then why we use it in civil lab for grading
A national highway is constructed near my house with a distance 25-30m from my house. The contractor use 18tone pad roller with vibration for subgrade(soil) compaction. We feel intense vibration in our rooms especially window and doors are vibrating. What should i do in this condition.I am...
Hi every one....In highway construction project when we construct bridges or culvert from concrete ,we cast concrete cylinder at site then we take these cylinders to lab for curing upto 28 days in water tank..while at site we cure concrete by spraying chemicals on them..Dose it make any...
Hlo...if we are traveling on highway, is there any visual observation of land due to which one can estimate rough idea of soil type of that particular area?
Is it good idea to install pvc pipes for soil heave in embankment slope where stone pitching is done for slope stablization and then grout of mortor is done...i am asking these bcz i have notic that pvc pipe make no bond with cement et...
I was doing asphalt core Gmb using archimedes principle for volume calculation i find that when i submerge the core in water after 5mints the balance give the stable submerge wieght..but when i spin the core forcely in water the wieght increased by 4 to 5 gram..why this happened..in ASTM...
Hi....while performing cbr test,why the cbr mould give lower load value at higher penetration depth. While in daily life experiances when some thing achieved more penetration it will experiance more resistance by the other thing...why not soaked mould of cbr follow this rule
