shahanth

 Profile Answers by shahanth Questions by shahanth

• Mar 11th, 2013

Open graded aggregate contains only a small percentage of aggregate particles in the small range. This results in more air voids because there are not enough small particles to fill in the voids betwe...

suji

 Profile Answers by suji Questions by suji

• Mar 7th, 2012

Open graded aggregate is the base of single-sized, angular pieces it is washed to remove fines, stone size can vary between 3 in to ? in. It has Low-settling compaction, void spaces may constitute up...

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What is the full meaning of 1 in 40, concerning slope of a rc roof

biswajit das

• Mar 6th, 2013

Slope 1 in 40 is the gradient of slope given, if the length is 40 meter then the vertical length will be 1metre. for ex. for 200 meter slope will be 200/40.

Ganesh k verma

• Sep 15th, 2011

Reinforcement /cement concrete roof means Roof casting after complete the reinforcement on shutring, in this mixture Called R C C roof Casting. Reinforcement work is so important for preparing the casting.

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Soil density test, bearing capacity of soil?

ANJIKHANE RUPALI

• Mar 6th, 2013

For Bearing Capacity, Plate load test is required to conduct and for soil density core cutter or sand replacement method is used.

VENKATESWARLU

• Jan 2nd, 2013

Soil density is found by using core cutter method or sand replacement method. Similarly bearing capacity of soil can be found by using plate load bearing test.

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anjikhane rupali

• Mar 6th, 2013

Coping is the some shape given to the top of wall because of which the rainwater flows down due to slope and protect the wall from the water. Also it improves the appearance.

shahanth

 Profile Answers by shahanth Questions by shahanth

• Mar 1st, 2013

Coping: It is an unit or assemblage placed at the head of wall and designed to shed rain water from the top of the wall clear off all exposed surfaces of the walling beneath. effective and good coping will act as a
1. Shedding water
2. Frost resistant unit
3. Continuous rigid cavity closer

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What is the composition of flyash bricks, by weight, by volume?

shahanth

 Profile Answers by shahanth Questions by shahanth

• Feb 27th, 2013

Fly ash (70%) Lime (10%) Gypsum (5%) and Sand (15%) For fly ash brick.

Fly ash 50%-60%, sand/stone dust/quarry dust 30%-40%, O.P.C 8%-10%

ADITYA BHAT

• Nov 29th, 2012

3%-4% can beused

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Describe Development Length(Ld) for M20 Concrete and Fe500 Steel in Tension,Compression zones

Aravinda Reddy.G

• Jan 28th, 2013

According to IS 456-2000,development length will be 50 dia.

rupali anjikhane

• Jan 19th, 2013

Development length is nothing but an embedment length. It is about 50 or 60 times the diameter of bar. There is one formula for development length = dia. x sigma s / 4 tou.bd.

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What is the most usage of testing sieve analysis of soil

venkateswarlu

• Jan 2nd, 2013

According to is code sieve no. 4.75mm is used to classify weather the soil is coarse grained or fine grained.

Dipti

• Jan 30th, 2012

There are many size of sieves used in this testing of soil so the main thing of the soil test is compactness testing

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What is UAT? Can someone explain?

vijay

• Jan 1st, 2013

UAT means "User Acceptance Testing"

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Why standard consistency test of a cement is performed?

Chandra Shekhar

• Dec 19th, 2012

To know the cement-water ratio, used it other physical test ex. Setting time test, soundness test, compressive strength test etc.

rajakamal

 Profile Answers by rajakamal Questions by rajakamal

• May 16th, 2010

To find out the initial and final testing time of concrete!

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what is the min and max strength of M30(target strength is 38N/sq.mm)

Krishna Bahadur Kunwar

• Dec 7th, 2012

7 day strength will be 65% and 28 day strength will be 85-90%

shafi Uzzama

• Dec 31st, 2011

7 days strength will be 62% i.e. this should be more than 450 KN
& 28 days strength will be 100% i.e. it should be more than 700 KN

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The size of concrete cube is 150mm x 150mm x 150mm as per Indian Standards. Why?

SHAHNAWAZ

• Sep 27th, 2012

The practical result of checking strength of concrete at 7 days & 28 days depends on the cube size 150x150x150, if we change the dimension, the checking days will change.

Arup

• Jul 11th, 2012

According to British Standard (BS) 1881:1983
100 mm cubes can take up to 20mm CA and 150mm cubes can accommodate up to 40mm CA!

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A basketball post is to be constructed.height 10 ft and it has to offset 10 ft from the main post preffered to use round tube hollow steel tubes .can you give me some suggetions on shapes(how to cantilever the 10ft portion)member sizes etc it has to support weight of a player (100kg)

Shankar B

• Sep 22nd, 2012

Experts,
Whether the PCC is required for instrument support concrete block. the size of block is 550x350 sqmm.,
structural support will be minimum 10 kgs and junction box will minimum 2 kgs.
kindly advice.

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BASSAM ABU ZUAITER

• Jul 9th, 2012

Cheaper, no transport, control over the type and amount of cement concrete, correct links in all around the concrete reinforcement for high strength,......etc

pavan patchigolla

• Nov 9th, 2011

Cast-in-situ piles are better to use because of many advantages like cheap because no transportation is involved and many other.

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azmath

• Jul 5th, 2012

The short face of the brick in known as header and the longer is stretcher

dhaval

• Jun 5th, 2012

The one brick header frog in cement mortar and second brick surface joint one brick and two brick

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What is the bearing capacity of soil?

dipankar_shome

 Profile Answers by dipankar_shome Questions by dipankar_shome

• May 29th, 2012

It is defined as the maximum load carrying capacity of soil per unit area without any shearing failure of the soil.

Dinesh Mandlik

• May 12th, 2012

Bearing capacity of Soil is the maximum load carrying capacity of soil per unit area without any shear to soil.

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How much opening area % (windows,doors) required for industrial building

humayun

• May 8th, 2012

15% to 20% opening area for residential buildings.

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prakash

• Mar 14th, 2012

Mark on column from benchmark to known level , then minus the depth of beam thickness of suttering, to clear total height of slab

Rohit

• Feb 27th, 2012

Mark a level on a column from benchmark then find out the depth of beam @ column then minus the slab thickness from it then add a clear floor height minus the level u marked on the column

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For economical purpose we are using open graded aggregate .... how it is economical.... and are there any problems in using this??

suji

 Profile Answers by suji Questions by suji

• Mar 7th, 2012

Open graded aggregate provides environmental benefits like ....
1.Noise reduction.
2.Durability for new construction or asphalt overlays.
3.Skid resistance.
and also Cost reduction compared to barriers.

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How to differentiate the volumes of wet and dry sand / soil?

dan

• Feb 14th, 2012

The volumes will be the same (based on moleculer density of carbon structure).

fouad ellimoney

• Feb 6th, 2012

The volume of wet sand will be more than volume of dry sand but in the case of clay will be the same

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What is the standard size of centering sheet, jack or props, acro span (in open and closed position)?

babu

• Jan 23rd, 2012

Centering sheet size=30x20
Props=3m&5m
Span=3m&5m

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