30 Mar 2013 Strength Ordinarily the strength of a stone is not of primary importance as very often the loads to which it is subjected in a structure are much below its permissible crushing strength Durability Stones should possess a natural durability to withstand the destructive effects of various agents continuously nbsp
CIVIL ENGINEERING 1 A good building stone should not absorb water more than a 5 b 10 c 15 d 20 2 Crushing strength of a good building stone should be more than a 50 MPa b 100 MPa c 150 MPa d 200 MPa Ans a Ans b 3 Specific gravity for most of the building stones lies between a 1 5 to 2 0 b nbsp
it has been made good and occasionally where an item of data was clearly incorrect it has been omitted Where a piece of information was not available the entry NA is given in the Table None of the data has been confirmed independently It should be noted that some individual quarries produce more than one variety of nbsp
9 Oct 2016 The compressive strength of Felspar is More than Quartz Gun cotton is made by saturating cotton with Nitric Acid The most powerful explosive used in crushing strength of stone depends upon its Texture and Specific Gravity The stone used for the construction of curved or ornamental work should be nbsp
5 May 2014 Indian standard code recommends a minimum crushing strength of 3 5 N mm2 for any building block A good stone should not show wear of more than 2 viii Porosity and Absorption All stones have pores and hence absorb water The reaction of water with material of stone causes disintegration
15 Sep 2017 This set of Basic Civil Engineering Multiple Choice Questions amp Answers MCQs focuses on Properties of Stones 1 For a good building stone how much is the required crushing strength a Less than 50 N mm2 b Greater Toughness index of a good stone should be more than a 17 b 18 c 13 d 19
12 May 2013 For good quality construction works as constant supervision is required so is required good quality building materials Thus for good Strength Crushing strength of good quality bricks shouldn 39 t be less than 3 5 N mm2 Crushing strength is tested in laboratory We can also test its strength on field Quality nbsp
The course covers the following topics stones and bricks building stones classification and quarrying properties manufacture and When the accessory minerals present more in quantity than normally such rocks are named as eg Crushing Strength For a good stone the crushing strength should be greater than 100 nbsp
what is the crushing strength of good building stone Question Posted guest 1 Answers 6746 Views I also Faced E Mail Answers Answer sravanthi greater than 100n mm2 Is This Answer Correct 22 Yes 1 No Post New Answer More Civil Engineering Interview Questions If we are providing concrete joint in every nbsp
strength to carry the prescribed load for building material 1 Crushing – A good building stone should have better crushing strength i e greater than 10 Specific gravity A good building stone should have higher specific gravity i e more than 2 7 11 Texture – The structure of the good building stone should be compact nbsp
26 Jun 2015 Compressive strength of building stones generally fall within the range of 60 to 200N mm2 Building stones should be tough enough to sustain stresses developed due to vibrations Light colored stones are more preferred than dark colored stones as the colour are likely to fade out with time
Minimum Compressive Strength of this is 75 kg Sqcm Rate of this is Rs 4 5 to Rs 7 each No need of plastering and costly painting for the wall constructed by this as this wall will give good Natural Appearance after applying one coat of Clear Varnish or by doing pointing only
14 Jul 2016 A good building stone should have the following qualities Compressive strength of building stones in practice range between 60 to 200 N mm2 Weight It is an indication of the porosity and density For stability of Types of Stone Water absorption not greater than 1 Sandstone 10 2 Limestone nbsp
In general compressive strength should not be less than 100N mm2 It should be strong 3 Durability A good building stone must be durable enough to resist the effect of weathering agencies e g rain wind temperature etc It should have fine grained compact and crystalline structure 4 Hardness The stone used in floors nbsp
This is the civil engineering questions and answers section on quot Building Materials Section 3 quot with explanation for various interview competitive examination and entrance test Solved examples with detailed answer description explanation are given and it would be easy to understand Page 8
for longtime Crushing Strength A good building stone should have sufficient crushing It should not absorb more than 5 water by weight after 24 hours Any stone absorbing 10 of water should be rejected Resistance to fire A good building stone be fire proof more durable than stones from sedimentary rocks
Stone 1 15 Timber 4 16 Foundation 2 Total 16 Total lecture hours 40 Text books 1 A Text book of Building Construction S P Arora and S P Bindra Dhanpat The percentage of lime should be in the range of 5 to 10 in a good earth are more durable than wooden one and turn out bricks of uniform size
IN selecting a stone for building or other economic purpo one should be familiar with the I Color II Composition Mineralogical Chemical III Strength Crushing Transverse IV It is possible for a quarry to be exhausted of its good stone and for this reason an quarry contains more than one grade of stone Howe
methods for determining the characteristics of building stone needed for proper design for a particular application They should be performed with care and the For most tests the stone specimens are tested dry However since the strength may vary when the stone is wet the strength tests i e compressive strength nbsp
7 Nov 2017 characteristics of good building stone A good building stone should essentially have the following characteristics of good building stone qualities Table of Contents hide 1 CHARACTERISTICS OF GOOD BUILDING STONES 1 1 Appearance 1 2 General Structure 1 3 Heaviness 1 4 Strength
10 Dec 2014 ii and iii d 3 A good building stone should not absorb water more than a 5 b 10 c 15 d 20 a 4 Crushing strength of a good building stone should be more than a 50 MPa b 100 MPa c 150 MPa d 200 MPa b 5 Specific gravity for most of the building stones lies between a 1 5 to 2 0 b 2 0 nbsp
13 Jun 2016 Learn the characteristics and properties of good building stones Common building stones are as desired Some of the common building stones are Granite Basalt Slate Gneiss etc which are discussed below Specific gravity 2 64 and absorption less than 1 Crushing strength 110 to 140 MN m2
a Crushing test for stones The crushing strength of a stone greatly depends upon its texture and specific gravity A stone of even Stones generally begin to crack or split under about half of their crushing loads A good building stone should not absorb more than 5 per cent of its weight of water after 24 hours immersion
15 Dec 2014 Qualities of a good building stone Crushing strength For a good building stone the crushing strength should be greater than l000kg per cm2 Bricks should not absorb water more than 20 percent by weight for first class bricks and 22 percent by weight for second class bricks when soaked in cold nbsp
28 Aug 2017 A good stone should not show wear of more than 2 Porosity and Absorption All stones have pores and hence absorb water The reaction of water with into before selecting stone as building block Indian standard code recommends a minimum crushing strength of 3 5 N mm2 for any building block
They should be sound and compact They should be free from cracks and other flaws such as air bubbles stone nodules etc with sharp and square edges Bricks should not absorb more than 1⁄5 of their own weight of water when immersed in water for 24 hours 15 to 20 of dry weight The compressive strength of nbsp
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