Answer / raghuram

CBR TEST: CALIFORNIA BEARING RATIO TEST: THIS IS A
PENETRATION TEST DEVELOPED BY CALIFORNIA DIVISION OF
HIGHWAYS. THIS IS A METHOD USED FOR EVALUATING THE THE
STABILITY OF THE SOIL SUBRAGE IN THE PAVEMENT AND OTHER
FLEXIBLE PAVEMENT MATERIALS.

Answer / suprabhat

California Bearing test is a Test conducted both in lab as
well as insitu to find out the strenght and stability of
the soil sample. the results of the test are expressed in
Percentage and are relative results. the results are
optained for 2.5 mm penetration and 5 mm penetration.
usually the 2.5mm penetration value being high is expresed
as CBR value. The pressures to be applied during the test
are 70kg/sq cm and 105kg/sq cm

Answer / mani

cbr means california bearing ratio,usually use in road
construction.

Answer / hseen

CBR: is california bearing ration test this test is
conducted in the laboratory where the soil is taken from
the site this test is mainly for conducted for pavement
thickness,As the CBR value increases pavement thicness
decreases.

Answer / sengs darith

- The California Bearing Ratio (CBR) is a penetration test
for evaluation of the mechanical strength of road subgrades
and base courses. It was developed by the California
Department of Transportation in the 1930’s.
- The CBR is used for measuring the load-bearing capacity
for new pathways, road and airstrips or for soils already
underpaved areas. The harder the surface, the higher the
rating.
- CBR is a measure of resistance of material to penetration
of a plunger under controlled density and moisture
conditions.
...................:)

Answer / sayan

California Bearing test is a Test conducted both in lab as
well as insitu to find out the strenght and stability of
the soil sample. the results of the test are expressed in
Percentage and are relative results. the results are
optained for 2.5 mm penetration and 5 mm penetration.
usually the 2.5mm penetration value being high is expresed
as CBR value. The pressures to be applied during the test
are 70kg/sq cm and 105kg/sq cm

Answer / k p verma

this testis conducted to find shear resistance of soil against heavy load

Answer / dharma

C.B.R means california bearing ratio simply says evaluating the strength of a sub grade soil for design of thickness for highways

Answer / emmanuel

This is a ratio of penetration of a standard plunger at a standard rate in a soil sample placed in a standard CBR mould to the penetration of the same plunger in a standard material.

Answer / abdul rawoof

CBR:California Bearing Ratio Test is done for determining
the bearing capacity of the different types of the soils in
different compositions through the CBR test and design the
appropriate pavement for the given conditions depending upon
the drained and undrained CBR values.

What is reinforced brick masonary and its advantages and applications, arrangement of steel

1 Answers  

how to check the quality of sand?

5 Answers   L&T,

for solid cement brick without fly ash,we use dust,6mm,12 mm jelly,water my question is what Proportion we mix dust,6mm,12 mm jelly,water ? for good strength brick.

1 Answers   bsmcpl, Ramky,

what is meant by pqc

2 Answers   APCO, Sunil Hitech Engineers,

how we can say that concrete is a plastic concrete

1 Answers  

CORRECTION Kindly furnish the relation between 7 days strength & 28 days compressive strength of Cement Concrete cubes. Can you clarify whether the relation gets altered due to various WATER-CEMENT ratios and type of cements?

2 Answers  

is there zone 6 for earthquake in india? on what basis the naming of the zones are done in variuos countries?

2 Answers  

1 building project (work in progress) and following are sum detail about his project 1) Using local rebar grade 415 2) Total built up area- 60000 sq.ft 3) Floors to be constructed – 21 storey 4) Estimated requirement of Steel per sq. foot – 7KG/sq.ft 5) Concrete grade – M35 6) Rebars mainly required (sizes)- 16,20,25,32 & (8 mm for stirrups) Wanted to ask u if this person uses 500D…what are the benefits he will be getting? Whether his per Sq. foot consumption can b reduce? If yes den around how much?

1 Answers  

what is the most suitable foundation when construct a bird watching tower in a marshy land

0 Answers  

How to calculate super built up area in residential building

1 Answers  

What is the different type of slump test indications?

0 Answers  

pls explain me the design procedure of multistorey building including structural analysis and also with example by considering the effect of wind load and earthquake load ?

1 Answers