DAFTAR PUSTAKA. SNI 1729:2015. Standard Spesifikasi untuk Bangunan Gedung Baja Struktural. SNI Standard untuk Struktur Beton.

Transcript

1 DAFTAR PUSTAKA Berman, Gary S Structural Steel Design and Construction. North America: Greyhawk. Das, Braja M Principles of Foundation Engineering: Seventh Edition. United States of America: Cengage Learning. Fadila, Sheila Desain Desain Struktur dan Pondasi Menara PemancarTipe Self Supporting Tower di kota palembang. Jurnal Teknik Sipil dan Lingkungan. Gunawan, Rudy Tabel Profil Konstruksi Baja. Penerbit Kanisius, Yogyakarta. Oentoeng Konstruksi Baja. Yogyakarta: ANDI. Salmon, Charles G Steel Structures: Desainand Behaviour Emphasizing Load and Resistance Factor Desain Fourth Edition. Harper Collins College Publishers, New York. Setiawan, Agus Perencanaan Struktur Baja dengan Metode LRFD. Penerbit Erlangga. SNI Standard Tata Cara Perencanaan Struktur Baja Untuk Bangunan Gedung. SNI 1729:2015. Standard Spesifikasi untuk Bangunan Gedung Baja Struktural. SNI Standard untuk Struktur Beton. Sosrodarsono, Suyono Sn, dan Kazuto Nakazawa Mekanika Tanah dan Teknik Pondasi. Jakarta: Penerbit Pradnya Paramita. TIA STANDARD: Structural Standard for Antena Supporting Structures and Antenas EIA/TIA. Tomlinson, M.J Pile Desain and Construction Practice: Fourth Edition. London: Chapman & Hall.

2 Standard Sectional Dimension of Equal Angle Steel and Its Sectional Area, Unit Weight and Sectional Characteristic Note : Sectional Dimension Sectional Properties Center Sec.of Unit of grav. Area Weight Geometrical Moment Radius of Gyration Modulus of Section Note A x B t K r1 r2 (c) of Inertia (cm 4 ) of Area (cm) (cm 3 ) mm mm mm mm mm mm cm cm² kg/m Ix=Iy Iv Iu ix=iy iv iu Sx=Sy Sv Su L 25 x L 30 x L 40 x L 45 x L 50 x L 60 x L 65 x L 70 x L 75 x L 80 x L 90 x L 100 x L 120 x L 130 x L 150 x L 175 x L 200 x L ,

3 Standard Sectional Dimension of Star Angle Steel and Its Sectional Area, Unit Weight and Sectional Characteristic Note : Sectional Dimension Sectional Properties Sec.of Unit Geometrical Moment Radius of Gyration Modulus of Section NOTE A x B t T r1 r2 Area Weight of Inertia (cm4) of Area (cm) (cm3) mm mm mm mm mm mm cm² kg/m Ix=Iy Iv Iu ix=iy iv iu Sx=Sy Sv Su SL 25 x SL 30 x SL 40 x SL 45 x SL 50 x SL 60 x SL 65 x SL 70 x SL 75 x SL 80 x SL 90 x SL 100 x SL 120 x SL 130 x SL 150 x SL 175 x SL 200 x SL 250 x

4 PART 1 TOWER ANALYSIS Analysis and Drawing by Sujohan jhon.nbhc@gmail.com.

5 TOWER ANALYSIS SUMMARY REVIEW TOWER SITE NAME/ID : Sumedang [MWJ029] TOWER DATA Tower Height 70m Base level 0m DESIGN OUTPUT EXISTING SUMMARY MAXIMUM STRESS RATIO (wind speed 100km/h) Description Output Comparison Limitation Note Leg > 1.00 NOT OK Bracing < 1.00 OK Redundant < 1.00 OK Horizontal < 1.00 OK Plan Bracing < 1.00 OK TWIST, SWAY & DISPLACEMENT (wind speed 100km/h) Ancillary Rotation Maximum Rotation - X Maximum Rotation - Y Maximum Rotation - Z > 0.5 Deg NOT OK > 0.5 Deg NOT OK < 0.5 Deg OK Maximum Twist Maximum Sway < 0.5 Deg OK > 0.5 Deg NOT OK Maximum Displacement < (H/200) = 0.35 NOT OK Tension Compression Maximum Reaction Mass Summary Fx(kN) Fy(kN) Fz(kN) Fx(kN) Fy(kN) Fz(kN) Mx(kN) My(kN) Mz(kN) Mx(kN) My(kN) Mz(kN) Conclusion Analysis result reveal that this tower is not strong enough withstand the existing load and strengthening is required.

6 TOWER ANALYSIS SUMMARY REVIEW TOWER SITE NAME/ID : Sumedang [MWJ029] TOWER DATA Tower Height 70m Base level 0m DESIGN OUTPUT PROPOSED SUMMARY MAXIMUM STRESS RATIO (wind speed 120km/h) Description Output Comparison Limitation Note Leg > 1.00 NOT OK Bracing < 1.00 OK Redundant < 1.00 OK Horizontal < 1.00 OK Plan Bracing < 1.00 OK TWIST, SWAY & DISPLACEMENT (wind speed 81km/h) Ancillary Rotation Maximum Rotation - X Maximum Rotation - Y Maximum Rotation - Z > 0.5 Deg NOT OK > 0.5 Deg NOT OK < 0.5 Deg OK Maximum Twist Maximum Sway < 0.5 Deg OK > 0.5 Deg NOT OK Maximum Displacement < (H/200) = 0.35 NOT OK Tension Compression Maximum Reaction Mass Summary Fx(kN) Fy(kN) Fz(kN) Fx(kN) Fy(kN) Fz(kN) Mx(kN) My(kN) Mz(kN) Mx(kN) My(kN) Mz(kN) Conclusion Analysis result reveal that this tower is not strong enough withstand the propose load and strengthening is required.

7 TOWER ANALYSIS SUMMARY REVIEW TOWER SITE NAME/ID : Sumedang [MWJ029] TOWER DATA Tower Height 70m Base level 0m DESIGN OUTPUT STRENGTHENING SUMMARY MAXIMUM STRESS RATIO (wind speed 120km/h) Description Output Comparison Limitation Note Leg < 1.00 OK Bracing < 1.00 OK Redundant < 1.00 OK Horizontal < 1.00 OK Plan Bracing < 1.00 OK TWIST, SWAY & DISPLACEMENT (wind speed 81km/h) Ancillary Rotation Maximum Rotation - X Maximum Rotation - Y Maximum Rotation - Z < 0.5 Deg OK < 0.5 Deg OK < 0.5 Deg OK Maximum Twist Maximum Sway < 0.5 Deg OK < 0.5 Deg OK Maximum Displacement < (H/200) = 0.35 OK Tension Compression Maximum Reaction Mass Summary Fx(kN) Fy(kN) Fz(kN) Fx(kN) Fy(kN) Fz(kN) Mx(kN) My(kN) Mz(kN) Mx(kN) My(kN) Mz(kN) kg (weight from MSTower) Conclusion Analysis result reveal that this tower is strong enough withstand the propose load after strengthened.

8 EXISTING CONDITION Analysis and Drawing by Sujohan

9 Job: Gn. Palasari 27 Dec :49 AM Z X Y theta: 300 phi: 30 MStower [V : ] B:\TA\Laporan\Tower Analysis\Tower Analisis\Existing\ Gn. Palasari

10 Job: Gn. Palasari 27 Dec :49 AM Design Ratios - % of Code Capacity: <= 50 <= 95 <= 100 <= 105 <= 110 > 110 Z X Y theta: 300 phi: 30 MStower [V : ] B:\TA\Laporan\Tower Analysis\Tower Analisis\Existing\ Gn. Palasari

11 Page 1 of 2 27 Dec :50 AM MStower [V : ] B:\TA\Laporan\Tower Analysis\Tower Analisis\Existing\ Gn. Palasari.td

12 Page 2 of 2 27 Dec :50 AM MStower [V : ] B:\TA\Laporan\Tower Analysis\Tower Analisis\Existing\ Gn. Palasari.td

13 Page 1 of 3 27 Dec :50 AM MStower [V : ] B:\TA\Laporan\Tower Analysis\Tower Analisis\Existing\ Gn. Palasari.twr

16 Job: Gn. Palasari Page 1 of Dec :53 AM L O A D C A S E S MStower [V : ] B:\TA\Laporan\Tower Analysis\Tower Analisis\Existing\ Gn. Palasari.rpt

17 Job: Gn. Palasari Page 2 of Dec :53 AM MStower [V : ] B:\TA\Laporan\Tower Analysis\Tower Analisis\Existing\ Gn. Palasari.rpt

45 Job: Gn. Palasari Page 1 of 1 27 Dec :52 AM I N P U T / A N A L Y S I S R E P O R T C O N D I T I O N N U M B E R N O D E D I S P L A C E M E N T S MStower [V : ] B:\TA\Laporan\Tower Analysis\Tower Analisis\Existing\ Gn. Palasari.p1

46 PROPOSED CONDITION Analysis and Drawing by Sujohan

47 Job: Gn. Palasari 27 Dec :37 AM Z X Y theta: 300 phi: 30 MStower [V : ] B:\TA\Laporan\Tower Analysis\Tower Analisis\Proposed\ Gn. Palasari

48 Job: Gn. Palasari 27 Dec :39 AM Design Ratios - % of Code Capacity: <= 50 <= 95 <= 100 <= 105 <= 110 > 110 Z X Y theta: 300 phi: 30 MStower [V : ] B:\TA\Laporan\Tower Analysis\Tower Analisis\Proposed\ Gn. Palasari

49 Page 1 of 2 27 Dec :39 AM MStower [V : ] B:\TA\Laporan\Tower Analysis\Tower Analisis\Proposed\ Gn. Palasari.td

50 Page 2 of 2 27 Dec :39 AM MStower [V : ] B:\TA\Laporan\Tower Analysis\Tower Analisis\Proposed\ Gn. Palasari.td

51 Page 1 of 3 27 Dec :39 AM MStower [V : ] B:\TA\Laporan\Tower Analysis\Tower Analisis\Proposed\ Gn. Palasari.twr

54 Job: Gn. Palasari Page 1 of Dec :40 AM L O A D C A S E S MStower [V : ] B:\TA\Laporan\Tower Analysis\Tower Analisis\Proposed\ Gn. Palasari.rpt

55 Job: Gn. Palasari Page 2 of Dec :40 AM MStower [V : ] B:\TA\Laporan\Tower Analysis\Tower Analisis\Proposed\ Gn. Palasari.rpt

85 Job: Gn. Palasari Page 1 of 1 27 Dec :40 AM I N P U T / A N A L Y S I S R E P O R T C O N D I T I O N N U M B E R N O D E D I S P L A C E M E N T S MStower [V : ] B:\TA\Laporan\Tower Analysis\Tower Analisis\Proposed\ Gn. Palasari.p1

86 STRENGTHENIG CONDITION Analysis and Drawing by Sujohan

87 Job: Gn. Palasari 15 Jan :05 PM Z X Y theta: 300 phi: 30 MStower [V ] G:\TA\Laporan\Tower Analysis\Tower Analisis\Strengthening\ Gn. Palasari

88 Job: Gn. Palasari 15 Jan :06 PM Design Ratios - % of Code Capacity: <= 50 <= 95 <= 100 <= 105 <= 110 > 110 Z X Y theta: 300 phi: 30 MStower [V ] G:\TA\Laporan\Tower Analysis\Tower Analisis\Strengthening\ Gn. Palasari

89 Page 1 of 2 15 Jan :06 PM MStower [V ] G:\TA\Laporan\Tower Analysis\Tower Analisis\Strengthening\ Gn. Palasari.td

90 Page 2 of 2 15 Jan :06 PM MStower [V ] G:\TA\Laporan\Tower Analysis\Tower Analisis\Strengthening\ Gn. Palasari.td

91 Page 1 of 3 15 Jan :06 PM MStower [V ] G:\TA\Laporan\Tower Analysis\Tower Analisis\Strengthening\ Gn. Palasari.twr

94 Job: Gn. Palasari Page 1 of Jan :08 PM L O A D C A S E S MStower [V ] G:\TA\Laporan\Tower Analysis\Tower Analisis\Strengthening\ Gn. Palasari.rpt

95 Job: Gn. Palasari Page 2 of Jan :08 PM MStower [V ] G:\TA\Laporan\Tower Analysis\Tower Analisis\Strengthening\ Gn. Palasari.rpt

125 Job: Gn. Palasari Page 1 of 1 15 Jan :16 PM I N P U T / A N A L Y S I S R E P O R T C O N D I T I O N N U M B E R N O D E D I S P L A C E M E N T S MStower [V ] C:\MSTower-6-Demonstration - G\Program\ Gn. Palasari.p1

126 LOCKAL BUCKLING ANALYSIS Analysis and Drawing by Sujohan

127 ETABS v9.6.0 File:MWJ029 SUMEDANG Units:KN-m January 22, :41 PAGE 1 S T O R Y D A T A STORY SIMILAR TO HEIGHT ELEVATION STORY1 None BASE None 0.000

128 ETABS v9.6.0 File:MWJ029 SUMEDANG Units:KN-m January 22, :42 PAGE 1 M A T E R I A L P R O P E R T Y D A T A MATERIAL MATERIAL DESIGN MATERIAL MODULUS OF POISSON'S THERMAL SHEAR NAME TYPE TYPE DIR/PLANE ELASTICITY RATIO COEFF MODULUS STEEL Iso Steel All E CONC Iso Concrete All E OTHER Iso None All E M A T E R I A L P R O P E R T Y M A S S A N D W E I G H T MATERIAL MASS PER WEIGHT PER NAME UNIT VOL UNIT VOL STEEL CONC OTHER E E E E E E+01 M A T E R I A L D E S I G N D A T A F O R S T E E L M A T E R I A L S MATERIAL STEEL STEEL STEEL NAME FY FU COST ($) STEEL M A T E R I A L D E S I G N D A T A F O R C O N C R E T E M A T E R I A L S MATERIAL LIGHTWEIGHT CONCRETE REBAR REBAR LIGHTWT NAME CONCRETE FC FY FYS REDUC FACT CONC No N/A

129 ETABS v9.6.0 File:MWJ029 SUMEDANG Units:KN-m January 22, :43 PAGE 1 F R A M E S E C T I O N P R O P E R T Y D A T A MATERIAL SECTION SHAPE NAME OR NAME CONC CONC FRAME SECTION NAME NAME IN SECTION DATABASE FILE COL BEAM L100X10 STEEL Angle 25INCH STEEL Pipe L STEEL Angle SA100X10 STEEL SD Section F R A M E S E C T I O N P R O P E R T Y D A T A SECTION FLANGE FLANGE WEB FLANGE FLANGE FRAME SECTION NAME DEPTH WIDTH TOP THICK TOP THICK WIDTH BOT THICK BOT L100X INCH L SA100X F R A M E S E C T I O N P R O P E R T Y D A T A SECTION TORSIONAL MOMENTS OF INERTIA SHEAR AREAS FRAME SECTION NAME AREA CONSTANT I33 I22 A2 A3 L100X INCH L SA100X F R A M E S E C T I O N P R O P E R T Y D A T A SECTION MODULI PLASTIC MODULI RADIUS OF GYRATION FRAME SECTION NAME S33 S22 Z33 Z22 R33 R22 L100X INCH L SA100X F R A M E S E C T I O N W E I G H T S A N D M A S S E S TOTAL TOTAL FRAME SECTION NAME WEIGHT MASS L100X INCH L SA100X

130 ETABS v9.6.0 File:MWJ029 SUMEDANG Units:KN-m January 22, :43 PAGE 2 S T A T I C L O A D C A S E S STATIC CASE AUTO LAT SELF WT NOTIONAL NOTIONAL CASE TYPE LOAD MULTIPLIER FACTOR DIRECTION DEAD DEAD N/A LIVE LIVE N/A WX OTHER N/A WY OTHER N/A AXIALFORCE OTHER N/A

131 ETABS v9.6.0 File:MWJ029 SUMEDANG Units:KN-m January 22, :43 PAGE 3 L O A D I N G C O M B I N A T I O N S COMBO CASE SCALE COMBO TYPE CASE TYPE FACTOR COMB1 ADD DEAD Static LIVE Static WX Static AXIALFORCE Static COMB2 ADD DEAD Static LIVE Static WY Static AXIALFORCE Static

132 ETABS PT. Cakra Hexa Swadaya ETABS v File: MWJ029 Sumedang - January 22, :52 3-D View - KN-m Units

133 ETABS PT. Cakra Hexa Swadaya ETABS v File: MWJ029 Sumedang - January 22, :53 3-D View - KN-m Units

134 ETABS PT. Cakra Hexa Swadaya ETABS v File: MWJ029 Sumedang - January 22, :54 3-D View Point Loads (LIVE) - Kgf-m Units

135 ETABS PT. Cakra Hexa Swadaya ETABS v File: MWJ029 Sumedang - January 22, :54 3-D View Frame Span Loads (WX) - Kgf-m Units

136 ETABS PT. Cakra Hexa Swadaya ETABS v File: MWJ029 Sumedang - January 22, :55 3-D View Frame Span Loads (WY) - Kgf-m Units

137 ETABS PT. Cakra Hexa Swadaya ETABS v File: MWJ029 Sumedang - January 22, :55 3-D View Point Loads (AXIALFORCE) - Kgf-m Units

138 ETABS PT. Cakra Hexa Swadaya ETABS v File: MWJ029 Sumedang - January 22, :56 3-D View Steel P-M Interaction Ratios (AISC-LRFD93) - KN-m Units

139 BASE PLATE ANALYSIS Analysis and Drawing by Sujohan

140 BASE PLATE AND ANCHORAGE ANALYSIS Analyzed by: CAKRAWALA REKAYASA, PT. Project: MWJ029 Client: Smartfren Sumedang Revision No.: - I. Maximum Ultimate Force T u kN V x kN V y kN 2 2 V u V x V y T max is the ultimate tension of one leg. V x is the maximum shear of one leg in X direction. V y is the maximum shear of one leg in Y direction. V max is the ultimate shear of one leg. V u kN II. Anchor Bolt and Base Plate Specification f ub 400MPa d b 25mm d t 1mm fu b is the ultimate stress of the anchor bolt. d b is the diameter of the anchor bolt d t is the width of the bolt thread t n 2mm t n is the thickness of bolt nut 1 A b 4 π d b 2d t 2 A b mm 2 n b 8 l bpx 500mm A b is the sectional area of the anchor bolt n b is the amount of anchor bolt. l bpx is the width of the base plate. t bp 20mm f ubp 400MPa t bp is the thickness of the base plate. f ubp is the ultimate stress of the base plate.

141 III. Anchor Bolt Capacity Tension Capacity T sn 0.6f ub 1.33 T sn is the nominal tension stress of each anchor bolt. T sn 319.2MPa T n T sn A b n b T n kn Check Tension "OK" T n is the nominal tension capacity of each anchor bolt. Check Tension if T u T n "OK" "NOT OK" T u R Tension R T Tension 0.83 n Shear Capacity V sn 0.4f ub 1.33 V sn is the nominal shear stress of each anchor bolt. V sn 212.8MPa V n V sn A b n b V n kN Check Shear "OK" V n is the nominal shear capacity of each anchor bolt. Check Shear if V u V n "OK" "NOT OK" V u R Shear R V Shear n IV. Base Plate Capacity Bolt Hole Punching Shear Check c bh π d b 2d t 2t n V snbp 0.4f ubp 1.33 c bh is the circumference of the bolt hole. V snbp is the nominal shear stress of base plate. V snbp 212.8MPa V nbh c bh t bp V snbp V nbh kN Check Punch "OK" V nbh is the nominal punching shear capacity of base plate at the bolt hole. Check Punch if T u n b V nbh "OK" "NOT OK" T u R Punch n b V nbh R Punch 0.266

142 BASE PLATE & ANCHORAGE ANALYSIS SUMMARY 1. Anchor Bolt Capacity Check Tension Check Shear "OK" R Tension 0.83 "OK" R Shear Base Plate Capacity Check Punch "OK" R Punch 0.266

143 PART 2 FOUNDATION ANALYSIS Analysis and Drawing by Sujohan jhon.nbhc@gmail.com.

144 Foundation Analysis Report / IFA 4.2 / Clay TABLE OF CONTENT I. General Project Information II. Code and Reference for Foundation Design III. Loading Data III.A. Support Reaction From Structural Analysis III.B. Equipment Loading IV. Dimension of Foundation IV.A. Pad Foundation IV.B. Pedestal V. Soil Condition V.A. Description of Soil Condition V.B. Ground Water Level V.C. Cone Penetration Test (CPT) Data VI. Material Properties VI.A. Concrete VI.B. Reinforced Steel Bar VI.C. Soil & Water VI.D. Additional Weight for Uplift Strengthening VII. Buoyancy and Stability of Pad Foundation VII.A. Buoyancy due to Ground Water VII.B. Weight of Pad Foundation, Pedestal & Soil VII.C. Uplift Capacity of The Pad Foundation VII.D. Sliding Stability of The Pad Foundation VIII. Bearing Capacity of The Pad Foundation IX. Reinforcement of The Foundation IX.A. Punching Shear Around The Pedestal IX.B. Bending Reinforcement of The Pad Foundation IX.C. Shear Reinforcement of The Pad Foundation X. Reinforcement of Pedestal X.A. Longitudinal Reinforcement for Bending Moment & Axial Force X.B. Shear Reinforcement for The Pedestal Cakrawala Rekayasa, P.T. 2 of 26 22/01/2017

145 Foundation Analysis Report / IFA 4.2 / Clay ISOLATED FOUNDATION SCHEME Cakrawala Rekayasa, P.T. 3 of 26 22/01/2017

146 Foundation Analysis Report / IFA 4.2 / Clay STRENGTHENED ISOLATED FOUNDATION ANALYSIS FOR CLAY I. General Project Information Site ID Site Name Client Revision No. : 4 T twr 70m N leg 4 N t 1 : MWJ029 : Sumedang : Smartfren T twr is the height of the tower calculated from the conection of the pedestal and the tower itself. N leg is the total number of tower legs. N t is the number of Tower legs in one Foundation. In this case, there is one tower leg in each Foundation. II. Code and Reference for Foundation Design A. SNI : Indonesian Standard for Concrete Structures B. ACI 318 : Building Code Requirements for Structural Concrete The strength reduction factor used in the analysis is based on ACI 318 as follows: ϕ s 0.75 ϕ s is shear strength reduction factor based on ACI 318. ϕ b 0.9 ϕ b is flexural strength reduction factor based on ACI 318. III. Loading Data The loading for the Foundation is due to the tower weight, tower equipments, wind, soil above the foundation and the ground water. LRFD is used in the analysis of the Pad Foundation. γ DL 1.2 III.A. Support Reaction From Structural Analysis 1. Resultant Reaction at The Base of Tower γ ps is the LRFD load factor for Dead Load. Condition 1 Condition 2 Condition 1 happens when the maximum resultant F x kN F x kN moment occurs in only one direction. These values will be used to determine the stability of the tower. F y kN F y kN F z kN F z kN M x kNm M x kNm Condition 2 happens when the maximum resultant moment in both main axis (x & y) occurs. These values will be used to determine the maximum stress of soil below the Pad Foundation. M y kNm M y kNm M z kNm M z kNm 2. Maximum Resultant Tower Legs Condition 3 Condition 4 Condition 3 happens when the maximum P x kN P x kN compression force in the section of the pedestal occurs. The value of P z3 should be negative. P y kN P y kN P z kN P z kN Condition 4 happens when the minimum compression force (could be maximum tension) in the section of the pedestal occurs. The value of P z4 should be positive if tension occurs. Cakrawala Rekayasa, P.T. 4 of 26 22/01/2017

147 Foundation Analysis Report / IFA 4.2 / Clay Condition 5 P x kN P y kN Condition 5 happens when the maximum shear force in the pedestal occurs. P x5 and P y5 could happen in a different load combination. III.B. Equipment Loading 1. Estimated Gravity Load due to Equipment Loading W eq kN 2. Estimated Moment due to Equipments On The Pad Foundation Ecc eq ( 3.5m) if T twr 65m ( 3.25m) if 50m T twr 65m ( 2.75m) if 40m T twr 50m ( 2.5m) if 30m T twr 40m ( 2.4m) if T twr 30m Ecc eq 3.5 m E cc is the eccentricity of Tower Equipments above pad foundation from the centre of the Pad Foundation. M eq is the estimated moment load which is subjected to the pad foundation due to equipments for the tower foundation that are located right above the pad foundation. This moment is considered based on the height of the tower itself. M eq W eq Ecc eq M eq kNm IV. Dimension of Foundation IV.A. Isolated Pad Foundation B fx 2.6m B fy 2.6m T f 0.7m 3 B fy T f I pcsyy 12 I pcsyy mm 4 3 B fx T f I pcsxx 12 I pcsxx mm 4 B fx is the width of the Isolated Pad Foundation in X direction. B fy is the width of the Isolated Pad Foundation in Y direction. T f is the thickness of Pad Foundation. I pcsyy is the sectional inertia of the cross section of Pad Foundation in Y axis. I pcsxx is the sectional inertia of the cross section of Pad Foundation in X axis. B dx 0.9m B dy 0.9m T d 0m IV.B. Pedestal B p 0.9m H pb 0.4m H pu 0.8m B pedx 5.80m B pedy 5.80m B dx is the width of Thickened Pad in X direction. B dy is the width of Thickened Pad in Y direction. T d is the addtitional thickness of the thickened section of the Pad Foundation. B p is the width of The Pedestal where the section of the pedestal is square. H pb is the height of The Pedestal from the top of the Pad Foundation to the original ground level. H pu is the height of The Pedestal above original ground level. B pedx is the distance between axis of each pedestals in X direction, for bending analysis of Pad Foundation. B pedy is the distance between axis of each pedestals in Y direction, for bending analysis of Pad Foundation. Cakrawala Rekayasa, P.T. 5 of 26 22/01/2017

148 Foundation Analysis Report / IFA 4.2 / Clay B fx B ox B 2 ox 1.3 m B fy B oy B 2 oy 1.3 m H p H pb H pu H p 1.2 m B ox is the distance from the axis of a pedestal to the outer side of the Pad Foundation in X direction. B oy is the distance from the axis of a pedestal to the outer side of the Pad Foundation in Y direction. H pu is the total height of The Pedestal. V. Soil Condition V.A. Description of Soil Condition The Pad Foundation for the Tower is located above clay. Cone Penetration Test (CPT) were commenced in the soil below the location of the Pad Foundation. CPT is done in order to estimate the bearing capacity of the soil. The number of location where CPT were done is two and the CPT data that are used are from the depth of which the base of Pad Foundation is located. V.B. Ground Water Level H wo 25m V.C. Cone Penetration Test (CPT) Data D p H pb T f D p 1.1 m Q c kgf cm 2 Q c2 16 kgf cm 2 Q c1 Q c2 Q cav Q 2 cav 1.79MPa Q cav C u C 20 u 0.089MPa VI. Material Properties VI.A. Concrete f c MPa H wo is the depth of the ground water level measured from the original ground level. D p is the depth of the base of Pad Foundation measured from the original ground level. Q c1 and Q c2 the cone resistant of the soil at the depth of D ex from the first location of CPT. Q cav is the average cone resistant of the soil at the depth of D ex from the first and second location of CPT. C u is the unconsolidated undrained shear strength of the soil which is estimated from the average cone resistant from CPT. f c also known as f' c is the specified compressive strength of a cylindrical concrete sample. E c 4700 f c MPa E c MPa E c is the elastic modulus of the concrete. α β f c K c K 0.83 c kgf cm 2 γ c 2400 kgf m 3 γ c kn m 3 α 1 & β 1 is the factor used to convert concrete stress diagram to equivalent concrete stress block in bending analysis. K c is the compressive strength of the concrete cube sample. γ c is the weight density of the reinforced concrete. VI.B. Reinforcement Steel Bar f y 400MPa E s MPa γ s 7850 kgf m 3 γ s kn m 3 f y is the yield stress of the longitudinal reinforcement steel bar. E s is the elastic modulus of steel. γ s is the weight density of the reinforcement steel bar. Cakrawala Rekayasa, P.T. 6 of 26 22/01/2017

149 Foundation Analysis Report / IFA 4.2 / Clay VI.C. Soil & Water γ w 1000 kgf γ w kn m 3 m 3 γ d 1500 kgf γ d kn m 3 m 3 E soil 100C u E soil 8.949MPa γ w is the weight density of water. γ d is the weight density of the soil. E soil is estimated by using equation mentioned on First European Conference on Standard Penetration Testing (1974). The correlation factor should be between In the analysis we take 100 for conservative reason. VI.D. Additional Weight for Uplift Strengthening H r 0m γ r 2000 kgf γ r kn m 3 m 3 H r is the height of the additional stone for overturning strengthening. γ r is the weight density of the stone. VII. Buoyancy and Stability of Pad Foundation VII.A. Buoyancy due to Ground Water The buoyancy exerted by the ground water to the Pad Foundation and the Pedestal is calculated based on the volume of Pad Foundation and Pedestal immersed by the ground water. The volume of Pad Foundation immersed by the ground water is calculated based on the Case that matched the existing ground water level. 1. Volume of Pad Foundation, Pedestal & Soil Below Ground Water Level Case 1 Pad Foundation V pads1 B fx B fy T f V pads m 3 Case 1 is the condition when the existing ground water level is located between the original ground level and the top of pad foundation. In this condition, the Pad Foundation is completely submerged in water. Additional Shear Reinforcement Slab V srps1 B dx B dy T d N t V srps1 0m 3 Pedestal H peds1 H pb H wo T d V pads1 is the volume of Pad Foundation submerged by ground water and only valid in Case 1. V srps1 is the volume of Additional Shear Reinforcement Slab submerged by ground water and only valid in Case 1. H peds m 2 V peds1 H peds1 B p N t V peds m 3 V peds1 is the volume of Pedestal submerged by ground water and only valid in Case 1. Pad Foundation, Reinforcement Slab & Pedestal V ps1 V pads1 V srps1 V peds m 3 V ps1 is the total volume of Pad Foundation, Shear Reinforcement Slab & Pedestal submerged by ground water in Case 1. Cakrawala Rekayasa, P.T. 7 of 26 22/01/2017

150 Foundation Analysis Report / IFA 4.2 / Clay Soil V ds1 B fx B fy H pb H wo V ds m 3 Case 2 Pad Foundation V peds1 V srps1 V ds1 is the volume of Soil above Pad Foundation & submerged by ground water and only valid in Case 1. Case 2 is the condition when the existing ground water level is located between the original ground level and the top of pad foundation. In this condition, the Pad Foundation is partially submerged in water. H pads2 D p H wo H pads m V pads2 B fx B fy H pads2 V pads2 is the volume of Pad Foundation submerged V pads m 3 by ground water and only valid in Case 2. Additional Shear Reinforcement Slab H srps2 H pb H wo H srps m V srps2 B dx B dy H srps2 N t m 3 Pedestal V peds2 0m 3 Pad Foundation, Reinforcement Slab & Pedestal V ps2 V pads2 V srps m 3 Soil V ds2 B fx B fy H srps2 V peds2 V srps2 V ds m 3 V srps2 is the volume of Additional Shear Reinforcement Slab submerged by ground water and only valid in Case 2. V peds2 is the volume of Pedestal submerged by ground water and only valid in Case 2. V ps2 is the total volume of Pad Foundation, Shear Reinforcement Slab & Pedestal submerged by ground water in Case 2. V ds2 is the volume of Soil above Pad Foundation & submerged by ground water and only valid in Case 2. Case 3 Pad Foundation H pads3 D p H wo H pads m Case 3 is the condition when the existing ground water level is located in the pad foundation level. In this condition, the Pad Foundation is partially submerged in water. V pads3 B fx B fy H pads3 V pads mV 3 pads3 is the volume of Pad Foundation submerged by ground water and only valid in Case 3. Additional Shear Reinforcement Slab V srps3 0m 3 Pedestal V peds3 0m 3 Pad Foundation, Reinforcement Slab & Pedestal V srps3 is the volume of Additional Shear Reinforcement Slab submerged by ground water and only valid in Case 3. V peds3 is the volume of Pedestal submerged by ground water and only valid in Case 3. V ps3 V pads3 V srps3 V peds m 3 Soil V ds3 0m 3 V ps3 is the total volume of Pad Foundation & Pedestal submerged by ground water in Case 3. V ds3 is the volume of Soil above Pad Foundation & submerged by ground water and only valid in Case 3. Cakrawala Rekayasa, P.T. 8 of 26 22/01/2017

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