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CONTROL BUILDING - SHEAR WALL ALONG GRID Aa
TEMPERATURE REINFORCEMENT CALCULATIONS
WALL
L B HSize of the wall(m) = 11.8 0.8 1.9
Thickness of the pour(H') = 1.9
Volume of concrete(V) = 17.94
Exposed surface area(A) = 57.32
Volume/EX. Sur. Area(V/A) = 0.313 m
= 1.03 feet
Effective V/S = 1.75 feet
= 103.0 (from charts)(Fig-2) of Report on Concrete placement temperature and pour thicknessTAPP-3&4/TCE-2191/DR/CV/24000/16
Cement content = 360
CALCULATION OF DESIGN TEMP DIFFERENCE
Placement temp assumed = 29
Elastic modulus of rock(Ef) = 4990000 psi
Grade of concrete = M 25
Elastic modulus of concrete(Ec) = 28500 Mpa
= 4132500 psi
multiplier(m) =
= 0.751
L/H = 6.21 >2.5
=
= for L/H>=2.5
Height of the pour from bottom(h) = 1.9
= 0.32
= 0.241
m3
m2
Design temp difference(TE) oF
Kg/m3
oC
1/(1+(AgEc/AfEf)
Effective degree of restraint(Ke) mKR
KR ((L/H-2)/(L/H+1))h/H
KR
KRE
Allowable temp difference =
= 117.67
PHYSICAL PROPERTIES OF CONCRETE
=
= 323.11 psi
Co-eff of thermal expansion = 0.00000528
Crack-width factor = 0.004
clear cover = 50
Allowable crack width(w) = 0.2 mm
= 0.0079 inches
CALCULATION OF REINFORCEMENT
Dia of bar used = 36 mm
= 68 mm
= 2.68 inches
spacing of bars = 140.00 mm
Spacing of bars = 5.512 inches
Effective conc area aroundeach bar(A) = 29.51 sq, inches
for limiting value of crack width of 0.0079 instress in reinforcement
=
= 24144.85 psi
Average crack spacing(L') =
f't/Ec = 0.00015 (for Seasonal Cracking)
= -23.403 ft
L'/2H' = -1.877
B(Width of RC element) = 12 inches
Reqd area of steel(Ab) = 0.2f't/fs(1-L'/2H')(BH')/(NB(H'-dc)H')
28.41/KRE
oF
Tensile strength(f's) 6 x sqrt(fc)
/oF
Effective cover(dc)
fs w x 106/(0.076 x (dcA)1/3) (psi)
w/18(KRECTTE-f't/Ec)
H' is thickness of pour
NB = No of bars in width B
= 2.177
Temp Renf as per calculations = 3.2920 sq.in per given spacing of 5.512 inches
= 75.93 cm2/m
Min renf = 9.11(cl.6.4.4 of Report on concrete placement temperature and pour thickness TAPP-3&4/TCE-2191/DR/CV/24000/16 SH 19 OF 22)
flexure renf from output = 1.66%
cm2/m
(if depth<48 in, 0.12% of gross c/s area of section; if depth>48 in, (f't/fs) A or A/100)
TEMPERATURE REINFORCEMENT CALCULATIONS
FOOTING NO
L B HSize of the footing/raft(m) = 32.1 15.7 2.25
Thickness of the pour(H') = 1.325
Volume of concrete(V) =
Exposed surface area(A) =
Volume/EX. Sur. Area(V/A) = 1.325 m
= 4.35 feet
Effective V/S = 7.40 feet
= 110.0 (from charts)(Fig-2) of Report on Concrete placement temperature and pour thicknessTAPP-3&4/TCE-2191/DR/CV/24000/16
Cement content = 360
CALCULATION OF DESIGN TEMP DIFFERENCE
Placement temp assumed = 23
Elastic modulus of rock(Ef) = 4990000 psi
Grade of concrete = M 25
Elastic modulus of concrete(Ec) = 28500 Mpa
= 4132500 psi
multiplier(m) =
= 0.751
L/H = 14.27 >2.5
=
= for L/H>=2.5
Height of the pour from bottom(h) = 2.25
= 0.80
= 0.604
Allowable temp difference =
m3
m2
Design temp difference(TE) oF
Kg/m3
oC
1/(1+(AgEc/AfEf)
Effective degree of restraint(Ke) mKR
KR ((L/H-2)/(L/H+1))h/H
KR
KRE
28.41/KRE
= 47.07
PHYSICAL PROPERTIES OF CONCRETE
=
= 323.11 psi
Co-eff of thermal expansion = 0.00000528
Crack-width factor = 0.004
clear cover = 75
Allowable crack width(w) = 0.3 mm
= 0.0118 inches
CALCULATION OF REINFORCEMENT
Dia of bar used = 36 mm
= 93 mm
= 3.66 inches
spacing of bars = 225.00 mm
Spacing of bars = 8.858 inches
Effective conc area aroundeach bar(A) = 64.87 sq, inches
for limiting value of crack width of 0.0118 instress in reinforcement
=
= 25094.67 psi
Average crack spacing(L') =
f't/Ec = 0.00015 (for Seasonal Cracking)
= 3.272 ft
L'/2H' = 0.376
B(Width of RC element) = 12 inches
Reqd area of steel(Ab) = 0.2f't/fs(1-L'/2H')(BH')/(NB(H'-dc)H')
H' is thickness of pour
oF
Tensile strength(f's) 6 x sqrt(fc)
/oF
Effective cover(dc)
fs w x 106/(0.076 x (dcA)1/3) (psi)
w/18(KRECTTE-f't/Ec)
NB = No of bars in width B
= 1.355
Temp Renf as per calculations = 0.7980 sq.in per given spacing of 8.858 inches
= 22.90 cm2/m
Min renf = 23.97(cl.6.4.4 of Report on concrete placement temperature and pour thickness TAPP-3&4/TCE-2191/DR/CV/24000/16 SH 19 OF 22)
flexure renf from output = 32.17
Total renf reqd = 56.14
cm2/m
(if depth<48 in, 0.12% of gross c/s area of section; if depth>48 in, (f't/fs) A or A/100)
cm2/m
cm2/m
TEMPERATURE REINFORCEMENT CALCULATIONS
FOOTING NO
L B HSize of the footing/raft(m) = 32.1 15.7 2.25
Thickness of the pour(H') = 1.325
Volume of concrete(V) =
Exposed surface area(A) =
Volume/EX. Sur. Area(V/A) = 1.325 m
= 4.35 feet
Effective V/S = 7.40 feet
= 97.0 (from charts)(Fig-2) of Report on Concrete placement temperature and pour thicknessTAPP-3&4/TCE-2191/DR/CV/24000/16
Cement content = 360
CALCULATION OF DESIGN TEMP DIFFERENCE
Placement temp assumed = 19
Elastic modulus of rock(Ef) = 4990000 psi
Grade of concrete = M 25
Elastic modulus of concrete(Ec) = 28500 Mpa
= 4132500 psi
multiplier(m) =
= 0.751
L/H = 14.27 >2.5
=
= for L/H>=2.5
Height of the pour from bottom(h) = 2.25
= 0.80
= 0.604
Allowable temp difference =
m3
m2
Design temp difference(TE) oF
Kg/m3
oC
1/(1+(AgEc/AfEf)
Effective degree of restraint(Ke) mKR
KR ((L/H-2)/(L/H+1))h/H
KR
KRE
28.41/KRE
= 47.07
PHYSICAL PROPERTIES OF CONCRETE
=
= 323.11 psi
Co-eff of thermal expansion = 0.00000528
Crack-width factor = 0.004
clear cover = 75
Allowable crack width(w) = 0.3 mm
= 0.0118 inches
CALCULATION OF REINFORCEMENT
Dia of bar used = 36 mm
= 93 mm
= 3.66 inches
spacing of bars = 225.00 mm
Spacing of bars = 8.858 inches
Effective conc area aroundeach bar(A) = 64.87 sq, inches
for limiting value of crack width of 0.0118 instress in reinforcement
=
= 25094.67 psi
Average crack spacing(L') =
f't/Ec = 0.00015 (for Seasonal Cracking)
= 4.124 ft
L'/2H' = 0.474
B(Width of RC element) = 12 inches
Reqd area of steel(Ab) = 0.2f't/fs(1-L'/2H')(BH')/(NB(H'-dc)H')
H' is thickness of pour
oF
Tensile strength(f's) 6 x sqrt(fc)
/oF
Effective cover(dc)
fs w x 106/(0.076 x (dcA)1/3) (psi)
w/18(KRECTTE-f't/Ec)
NB = No of bars in width B
= 1.355
Temp Renf as per calculations = 0.6726 sq.in per given spacing of 8.858 inches
= 19.31 cm2/m
Min renf = 23.97(cl.6.4.4 of Report on concrete placement temperature and pour thickness TAPP-3&4/TCE-2191/DR/CV/24000/16 SH 19 OF 22)
flexure renf from output = 32.17
Total renf reqd = 56.14
cm2/m
(if depth<48 in, 0.12% of gross c/s area of section; if depth>48 in, (f't/fs) A or A/100)
cm2/m
cm2/m
TEMPERATURE REINFORCEMENT CALCULATIONS
FOOTING NO
L B HSize of the footing/raft(m) = 32.1 15.7 2.25
Thickness of the pour(H') = 1.325
Volume of concrete(V) =
Exposed surface area(A) =
Volume/EX. Sur. Area(V/A) = 1.325 m
= 4.35 feet
Effective V/S = 7.40 feet
= 133.0 (from charts)(Fig-2) of Report on Concrete placement temperature and pour thicknessTAPP-3&4/TCE-2191/DR/CV/24000/16
Cement content = 360
CALCULATION OF DESIGN TEMP DIFFERENCE
Placement temp assumed = 29
Elastic modulus of rock(Ef) = 4990000 psi
Grade of concrete = M 25
Elastic modulus of concrete(Ec) = 28500 Mpa
= 4132500 psi
multiplier(m) =
= 0.751
L/H = 14.27 >2.5
=
= for L/H>=2.5
Height of the pour from bottom(h) = 2.25
= 0.80
= 0.604
Allowable temp difference =
m3
m2
Design temp difference(TE) oF
Kg/m3
oC
1/(1+(AgEc/AfEf)
Effective degree of restraint(Ke) mKR
KR ((L/H-2)/(L/H+1))h/H
KR
KRE
28.41/KRE
= 47.07
PHYSICAL PROPERTIES OF CONCRETE
=
= 323.11 psi
Co-eff of thermal expansion = 0.00000528
Crack-width factor = 0.005
clear cover = 75
Allowable crack width(w) = 0.375 mm
= 0.0148 inches
CALCULATION OF REINFORCEMENT
Dia of bar used = 36 mm
= 93 mm
= 3.66 inches
spacing of bars = 225.00 mm
Spacing of bars = 8.858 inches
Effective conc area aroundeach bar(A) = 64.87 sq, inches
for limiting value of crack width of 0.0148 instress in reinforcement
=
= 31368.34 psi
Average crack spacing(L') =
f't/Ec = 0.00015 (for Seasonal Cracking)
= 2.995 ft
L'/2H' = 0.345
B(Width of RC element) = 12 inches
Reqd area of steel(Ab) = 0.2f't/fs(1-L'/2H')(BH')/(NB(H'-dc)H')
H' is thickness of pour
oF
Tensile strength(f's) 6 x sqrt(fc)
/oF
Effective cover(dc)
fs w x 106/(0.076 x (dcA)1/3) (psi)
w/18(KRECTTE-f't/Ec)
NB = No of bars in width B
= 1.355
Temp Renf as per calculations = 0.6710 sq.in per given spacing of 8.858 inches
= 19.26 cm2/m
Min renf = 19.18(cl.6.4.4 of Report on concrete placement temperature and pour thickness TAPP-3&4/TCE-2191/DR/CV/24000/16 SH 19 OF 22)
flexure renf from output = 32.17
Total renf reqd = 51.43
cm2/m
(if depth<48 in, 0.12% of gross c/s area of section; if depth>48 in, (f't/fs) A or A/100)
cm2/m
cm2/m
TEMPERATURE REINFORCEMENT CALCULATIONS
FOOTING NO
L B HSize of the footing/raft(m) = 32.1 15.7 2.25
Thickness of the pour(H') = 1.325
Volume of concrete(V) =
Exposed surface area(A) =
Volume/EX. Sur. Area(V/A) = 1.325 m
= 4.35 feet
Effective V/S = 7.40 feet
= 110.0 (from charts)(Fig-2) of Report on Concrete placement temperature and pour thicknessTAPP-3&4/TCE-2191/DR/CV/24000/16
Cement content = 360
CALCULATION OF DESIGN TEMP DIFFERENCE
Placement temp assumed = 23
Elastic modulus of rock(Ef) = 4990000 psi
Grade of concrete = M 25
Elastic modulus of concrete(Ec) = 28500 Mpa
= 4132500 psi
multiplier(m) =
= 0.751
L/H = 14.27 >2.5
=
= for L/H>=2.5
Height of the pour from bottom(h) = 2.25
= 0.80
= 0.604
Allowable temp difference =
m3
m2
Design temp difference(TE) oF
Kg/m3
oC
1/(1+(AgEc/AfEf)
Effective degree of restraint(Ke) mKR
KR ((L/H-2)/(L/H+1))h/H
KR
KRE
28.41/KRE
= 47.07
PHYSICAL PROPERTIES OF CONCRETE
=
= 323.11 psi
Co-eff of thermal expansion = 0.00000528
Crack-width factor = 0.005
clear cover = 75
Allowable crack width(w) = 0.375 mm
= 0.0148 inches
CALCULATION OF REINFORCEMENT
Dia of bar used = 36 mm
= 93 mm
= 3.66 inches
spacing of bars = 225.00 mm
Spacing of bars = 8.858 inches
Effective conc area aroundeach bar(A) = 64.87 sq, inches
for limiting value of crack width of 0.0148 instress in reinforcement
=
= 31368.34 psi
Average crack spacing(L') =
f't/Ec = 0.00015 (for Seasonal Cracking)
= 4.090 ft
L'/2H' = 0.470
B(Width of RC element) = 12 inches
Reqd area of steel(Ab) = 0.2f't/fs(1-L'/2H')(BH')/(NB(H'-dc)H')
H' is thickness of pour
oF
Tensile strength(f's) 6 x sqrt(fc)
/oF
Effective cover(dc)
fs w x 106/(0.076 x (dcA)1/3) (psi)
w/18(KRECTTE-f't/Ec)
NB = No of bars in width B
= 1.355
Temp Renf as per calculations = 0.5421 sq.in per given spacing of 8.858 inches
= 15.56 cm2/m
Min renf = 19.18(cl.6.4.4 of Report on concrete placement temperature and pour thickness TAPP-3&4/TCE-2191/DR/CV/24000/16 SH 19 OF 22)
flexure renf from output = 32.17
Total renf reqd = 51.35
cm2/m
(if depth<48 in, 0.12% of gross c/s area of section; if depth>48 in, (f't/fs) A or A/100)
cm2/m
cm2/m
TEMPERATURE REINFORCEMENT CALCULATIONS
FOOTING NO
L B HSize of the footing/raft(m) = 32.1 15.7 2.25
Thickness of the pour(H') = 1.325
Volume of concrete(V) =
Exposed surface area(A) =
Volume/EX. Sur. Area(V/A) = 1.325 m
= 4.35 feet
Effective V/S = 7.40 feet
= 97.0 (from charts)(Fig-2) of Report on Concrete placement temperature and pour thicknessTAPP-3&4/TCE-2191/DR/CV/24000/16
Cement content = 360
CALCULATION OF DESIGN TEMP DIFFERENCE
Placement temp assumed = 19
Elastic modulus of rock(Ef) = 4990000 psi
Grade of concrete = M 25
Elastic modulus of concrete(Ec) = 28500 Mpa
= 4132500 psi
multiplier(m) =
= 0.751
L/H = 14.27 >2.5
=
= for L/H>=2.5
Height of the pour from bottom(h) = 2.25
= 0.80
= 0.604
Allowable temp difference =
m3
m2
Design temp difference(TE) oF
Kg/m3
oC
1/(1+(AgEc/AfEf)
Effective degree of restraint(Ke) mKR
KR ((L/H-2)/(L/H+1))h/H
KR
KRE
28.41/KRE
= 47.07
PHYSICAL PROPERTIES OF CONCRETE
=
= 323.11 psi
Co-eff of thermal expansion = 0.00000528
Crack-width factor = 0.005
clear cover = 75
Allowable crack width(w) = 0.375 mm
= 0.0148 inches
CALCULATION OF REINFORCEMENT
Dia of bar used = 36 mm
= 93 mm
= 3.66 inches
spacing of bars = 225.00 mm
Spacing of bars = 8.858 inches
Effective conc area aroundeach bar(A) = 64.87 sq, inches
for limiting value of crack width of 0.0148 instress in reinforcement
=
= 31368.34 psi
Average crack spacing(L') =
f't/Ec = 0.00015 (for Seasonal Cracking)
= 5.155 ft
L'/2H' = 0.593
B(Width of RC element) = 12 inches
Reqd area of steel(Ab) = 0.2f't/fs(1-L'/2H')(BH')/(NB(H'-dc)H')
H' is thickness of pour
oF
Tensile strength(f's) 6 x sqrt(fc)
/oF
Effective cover(dc)
fs w x 106/(0.076 x (dcA)1/3) (psi)
w/18(KRECTTE-f't/Ec)
NB = No of bars in width B
= 1.355
Temp Renf as per calculations = 0.4167 sq.in per given spacing of 8.858 inches
= 11.96 cm2/m
Min renf = 19.18(cl.6.4.4 of Report on concrete placement temperature and pour thickness TAPP-3&4/TCE-2191/DR/CV/24000/16 SH 19 OF 22)
flexure renf from output = 32.17
Total renf reqd = 51.35
cm2/m
(if depth<48 in, 0.12% of gross c/s area of section; if depth>48 in, (f't/fs) A or A/100)
cm2/m
cm2/m
