Cement Details

wm‡g›U (Cement)

Ö   Kv‡R e¨env‡ii †ÿ‡Î wm‡g›U `yB cÖKvi t

(i)  PCC – Portland Compojit Cement (SEM-2)

(ii)                       OPC – Ordinary Portland Cement (SEM-1)

Ö  GK Nb wgUv‡i wm‡g›U cÖ‡qvRb = 30 bag 1 CFT- G wm‡g›U cÖ‡qvRb = 0.80 ≈ 1bag Ö GK e¯Ív wm‡g›U Gi IRb = 50 kg                                             = 112 pound Ö  GK e¯Ív wm‡g›U Gi AvqZb = 0.034m³                                    = 1.25 cft Ö  wm‡g›U e¨vMGi AvKvi = 2´ Í 15´´Í 6´´                                         = 1.25 cft Ö  20 e¨vM wm‡g›U              = 1 Ton

Ö 1 Uwb UªvK cuvKv iv¯Ívq wm‡g›U enb K‡i = 20bags Ö GK Nb wgUvi wm‡g›U Gi IRb      = 1440 kg      GK CFT wm‡g›U Gi IRb           = 41 kg                                                 = 90 pound/ft Ö  wm‡g›U Gi Av`k© kw³                = 16 MPA                                                   = 2320 psi Ö  wm‡g›U Gi Av`k© kw³     = 16 MPA Ö  wm‡g›U Gi cÖv_wgK †mwUs UvBg = 30-60 (wgwbU)      wm‡g›U Gi dvBbvj †mwUs UvBg      = 10 (N›Uv)

Ö  K…wÎg wm‡g›U Gi bvg Ki‡bi BwZnvm t ‡cvU©j¨vÛ t Gi eY© Ges ¸bv¸b Bsj¨v‡Ûi  †cvU©j¨v‡Ûi wbKUeZ©x ¯’v‡b cÖvß    cv_‡ii gZ| ZvB Gi †cvU©j¨vÛ wm‡g›U bvgKiY Kiv nq|

Ö  PCC wm‡g›U ev (SEM-02) wm‡g›U Muv_ybx I cøvóv‡ii Kv‡R e¨eüZ nq|

Ö  OPC wm‡g›U ev (SEM-01) wm‡g›U KswµU XvjvB‡qi  Kv‡R e¨eüZ nq|

Ö  wm‡g›U Gi MV‡bi Dcv`vb mgyn‡K 2 fv‡M wef³ Kiv nqt

1)                                                                LwbR

2)                                                               
A¤ø I LviK

Ö   ‡cvU©j¨vÛ wm‡g‡›Ui LwbR Dcv`vbt

       1) UªvB K¨vjwmqvg wmwj‡KU (3CAO, Sio2- C3S)                       - 50%

       2) WvB K¨vjwmqvg wmwj‡KU (2CAO, Sio2- C2S)                       - 25%

       3) UªvB K¨vjwmqvg G¨vjywg‡bU (3CAO, Al2o3- C3A)                 - 10%

       4) ‡UUªv K¨vjwmqvg ‡divmvBU (4CAO, Al2o3, FC2o3-C4AF)   - 10%

       5) K¨vjwmqvg mvj‡dU (CASO4)                                             - 3%

       6) Ab¨vb †hŠM                                                                      - 2%

                                                                                       ‡gvU =  100%

Ö    ‡d«m wm‡g›U kw³         = 100%        3 gvm msiÿ‡bi ci     = 20% K‡g        6 gvm msiÿ‡bi ci     = 30% K‡g        12 gvm msiÿ‡bi ci    = 40% K‡g        24 gvm msiÿ‡bi ci   = 50% K‡g        GRb¨ †ewkw`b msiÿb Kiv DwPr bq|

Ö   ‡cvU©j¨vÛ wm‡g‡›Ui A¤ø I ÿviK Dcv`vbt   K¨vjwmqvg A·vBW CAO    = 63%        wmwjKv MGO             = 2%        Av¨jywgbv Al2o3          = 22%        Avqib A·vBW Fe2o3  = 3%        mvjdvi UªvB A·vBW So3= 2%        ÿviKxq c`v_©              = 1%                                   ‡gvU =  100%

Ö       wm‡g›U `yBwU c×wZ‡Z ˆZix Kiv nqt (1) wm³ c×wZ (Wet Process), 

                                                           (2) ﯋ c×wZ (Dry Process)

Ö       wm‡g›U Gi ag©t 1)    wm‡g›U cvwb †hvRb (Hydration) 2)    wm‡g›U RgvU e×Zv (Setting of cement) 3)    wm‡g‡›U Gi wbLyuZZv (Soundness of Cement) 4)    wm‡g‡›U Gi kw³ ( Strength of cement)

Ö       wm‡g›U Gi ‡h mKj cixÿv Kiv nqt 1)    m~ÿZv cixÿv 2)    RgvUe×Zvi mgq 3)    LuyZnxbZv ( Soundness) 4)    ivmvqwbK MVb 5)    kw³ cixÿv

Ö       Kvh©‡ÿ‡Î wm‡g›U Gi ‡h cixÿvt

1)   
wm‡g‡›Ui e¯Ívi wfZi nvZ w`‡j VvÛv Abyf~Z n‡e|

2)    GKgywó wm‡g›U cvwb‡Z †dj‡j Wz‡e hv‡e|

3)    nv‡Z wgwn cvDWv‡ii gZ Abyf~Z n‡e|

4)    GKgywó wm‡g›U nv‡Z wb‡q R‡ov Ki‡j R‡ov n‡q _vK‡e|

5)    GKLÛ Kuv‡Pi cv‡Zi Dci †cvU©j¨vÛ wm‡g‡›U Gi k³ †có †i‡L cvwb‡Z 24 N›Uv Wzwe‡q ivL‡j dvUj m„wó n‡e bv, eis RgvUe× n‡e|  

Ö       mvaviY †cvU©j¨vÛ wm‡g›U Gi K‡¤úªwmf †óªs_t

     3 w`‡b 115 kg/cm² - 741.93 kg/inch²

     7 w`‡b 715 kg/cm² - 4612.90 kg/inch²

Ö       wm‡g›U Gi GK e¯Ívi Dci 10 wUi †ewk ivKv hv‡e bv|

Ö       wm‡g›U Gi LuyZnxb cixÿv wj. P¨v‡Uwjqvi h‡š¿i mvnv‡h¨ Kiv nq| Gi D”PZv-30 wg.wg,     e¨vm-30 wg.wg

Ö   GK eM©wgUvi RvqMvq wdwbwks‡qi Rb¨ wbU wm‡g›U jv‡M-2.7 †KwR-3 ‡KwR|

       1 CFT G - 0.25-0.27 †KwR|

Ö       we‡kl ai‡bi K‡qKwU wm‡g‡›Ui bvgt

1)    i¨vwcW n¨v‡Wwbs wm‡g›U

2)    KzBK †mwUs wm‡g›U    

3)    ‡jv wnU wm‡g›U

4)    nvB G¨vjywgbv wm‡g›U

5)    mvj‡dU †iwRw÷s wm‡g›U

6)    cv‡Rvjvb wm‡g›U

7)    Gqvi Gb‡UªBwbs wm‡g›U

8)    eøvó dvi‡bm wm‡g›U

9)    ‡nvqvBU wm‡g›U

10)G¨vw›Ue¨vK‡Uwiqvj wm‡g›U

Ö       UvBjm Gi Kv‡R mv`v wm‡g›U e¨envi Kiv nq| Gi evwbwR¨vK bvg †¯œvwKU|