Types of rocks ..

                     Types of rocks .

 1 - sedimentary

 * sedimentary rocks formed from particles of sand,pebbles and other fragments of material.
example:limestone
 






2 -Igneous

 * Due to volcanoes. it called lava.
    examples : basalt and obsidian.
when lava cools quickly its formed into rocks.

 

 3 Metamorphic
   * metamorphic rocks formed under the earth surface of the earth . due to intense of heat and pressure.
 example: Marbles.

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Top Three Tallest Structure

            Top Three Tallest Structure

(1) Burj khalifa
     its address is 1  Sheikh Mohammed bin Rashid Blvd - Dubai - United Arab Emirates

       Height : 828 m
    
       floors:  163
     
      Opened by:   
    
   January 4, 2010

     





  (2) Tokyo SkyTree


  Adress:1-1-2 Oshiage, Sumida, Tokyo 131-0045, Japan


  Height:  634 m

  Floor : 29


  opened:May 22, 2012













  (3) Kvly-tv mast North Dakota
     
     address: traill country CTBUH

     Height : 629 m
     
     opened: Auguest 13 1963
     

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Difference Between S.F.D and B.M.D

*Difference Between S.F.D and B.M.D.*

-  Most of the engineering students have difficulties in shear          force diagram and bending moment diagram. 
-  so here i post about it's difference . 
-  so we easily understand it..

*For more Details about S.F.D and B.M.D use this most popular site link (youtube)

http://www.youtube.com/watch?v=Hd8w_7s_78A

*diagram of s.f.d and b.m.d

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