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1m3 how much brick required

 
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bmadhu12
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PostPosted: Tue May 28, 2013 11:42 am    Post subject: 1m3 how much brick required Reply with quote

Dear sir,


Please send me the 1m3 how much brick required and how much moter thickner required as per iso
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es_jayakumar
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PostPosted: Wed May 29, 2013 1:13 am    Post subject: Reply with quote

The rate analysis for brick  work in CM 1:6 as per CPWD DAR is enclosed. From that you can find out the details of quantities of its components for 1 cum.

E S Jayakumar



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Brick Work.xls
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shankar_sanni
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PostPosted: Wed May 29, 2013 6:49 am    Post subject: Reply with quote

Dear Sefian,

You can refer Estimation and Costing book by
i) B. N. Dutta
ii) Chakraborty
iii) Rangwala
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naga
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PostPosted: Thu May 30, 2013 7:46 am    Post subject: Re: 1m3 how much brick required Reply with quote

hi,
one m3 of brick work =500 nos. you can cross check each brick volume. you will get answer.
regards


bmadhu12 wrote:
Dear sir,


Please send me the 1m3 how much brick required and how much moter thickner required as per iso
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spsvasan
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PostPosted: Mon Jun 03, 2013 2:41 am    Post subject: Reply with quote

Dear Sefian

The number of bricks per cubic metre of brickwork depends upon the brick size. Some of the specifications are based on modular bricks (190mm x 90mm x 90mm) which are not normally available.

In my place, the Chamber burnt bricks are 75mm thick, whereas kiln burnt bricks are 65mm thick.

The number of bricks should be worked out using the size of bricks to be adopted in the construction

Regards
S.P.Srinivasan
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Dr. N. Subramanian
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PostPosted: Mon Jun 03, 2013 12:51 pm    Post subject: Reply with quote

spsvasan wrote:
Dear Sefian

The number of bricks per cubic metre of brickwork depends upon the brick size. Some of the specifications are based on modular bricks (190mm x 90mm x 90mm) which are not normally available.

In my place, the Chamber burnt bricks are 75mm thick, whereas kiln burnt bricks are 65mm thick.

The number of bricks should be worked out using the size of bricks to be adopted in the construction

Regards
S.P.Srinivasan



Dear Er SPS,

What is the difference between Chamber and Kiln. We used to get wire cut bricks which strictly follow IS 1077. They also had higher compressive strength. Are the present day kiln burnt bricks uniform in strength? What is the maximum strength you get with these bricks?

Regards,
Subramanian
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spsvasan
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PostPosted: Mon Jun 03, 2013 1:37 pm    Post subject: Reply with quote

Dear Dr.NS,

I guess I talked through my hat.

All bricks are fired in a kiln?, I suppose.

What I meant by Kiln burnt bricks is as follows: The bricks are stacked, fired, cooled, collected and sold. The next batch is stacked,  and the next cycle proceeds. The process is discontinuous. In these bricks, which we call as "country bricks", there are quite a few over-burnt and under-burnt bricks also. If these are removed, the balance bricks have a strength of about 5 kg/sqcm. The shape is not very uniform. Thickness is usually only about 65mm. Mortar consumption is high. Wastage is also high.

In chamber bricks, there are a few chambers formed in a circular pattern. The raw bricks are loaded and stacked in one chamber. In the next chamber, the stacked bricks get pre-heated. In the next chamber firing is done. In the next chamber the bricks get cooled. The cooled bricks are removed from the next chamber. The whole operation shifts by one chamber in the next step. The process is more or less continuous. These  bricks are more uniform in their properties.  These bricks are about 75mm thick. Mortar consumption is lower and wastage is lesser. The strength again is about 5 kg/sqcm only.

Regards
S.P.Srinivasan
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Dr. N. Subramanian
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PostPosted: Mon Jun 03, 2013 3:17 pm    Post subject: Reply with quote

Dear Er SPS,

Thanks for the quick reply. Are you not getting wire cut bricks? Or the bricks you mention as Chamber bricks are similar to wire cut bricks?

Regards,
NS
spsvasan wrote:
Dear Dr.NS,

I guess I talked through my hat.

All bricks are fired in a kiln?, I suppose.

What I meant by Kiln burnt bricks is as follows: The bricks are stacked, fired, cooled, collected and sold. The next batch is stacked,  and the next cycle proceeds. The process is discontinuous. In these bricks, which we call as "country bricks", there are quite a few over-burnt and under-burnt bricks also. If these are removed, the balance bricks have a strength of about 5 kg/sqcm. The shape is not very uniform. Thickness is usually only about 65mm. Mortar consumption is high. Wastage is also high.

In chamber bricks, there are a few chambers formed in a circular pattern. The raw bricks are loaded and stacked in one chamber. In the next chamber, the stacked bricks get pre-heated. In the next chamber firing is done. In the next chamber the bricks get cooled. The cooled bricks are removed from the next chamber. The whole operation shifts by one chamber in the next step. The process is more or less continuous. These  bricks are more uniform in their properties.  These bricks are about 75mm thick. Mortar consumption is lower and wastage is lesser. The strength again is about 5 kg/sqcm only.

Regards
S.P.Srinivasan
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spsvasan
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PostPosted: Tue Jun 04, 2013 12:27 am    Post subject: Reply with quote

Dear Dr.NS

Only two agencies are manufacturing wire-cut bricks near my place. I used them once in my project long time back. Their shape is more uniform and much better than Chamber brick shape. The strength, if I remember correct, was about 7 N/sqmm.

By the by, the strength of the local bricks here is 5 N/sqmm and not 5 kg/sqcm (as mentioned wrongly in my earlier posting).

Regards
S.P.Srinivasan
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Dr. N. Subramanian
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PostPosted: Tue Jun 04, 2013 2:51 am    Post subject: Reply with quote

Thanks Er SPS!

Warm regards,
NS
spsvasan wrote:
Dear Dr.NS

Only two agencies are manufacturing wire-cut bricks near my place. I used them once in my project long time back. Their shape is more uniform and much better than Chamber brick shape. The strength, if I remember correct, was about 7 N/sqmm.

By the by, the strength of the local bricks here is 5 N/sqmm and not 5 kg/sqcm (as mentioned wrongly in my earlier posting).

Regards
S.P.Srinivasan
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