MODS2012 Release Note Integrated Design System for Building and General Structures
s Pre & Post Part Analysis Part 3 23 1. 공작물풍하중자동산정기능 21. [Pushover] 해석속도개선 2. 층전단력분배율 Frame 부재기둥과브레이스부재로분리 3. 구조안전및내진설계확인서건물유효중량표현방법개선 4. 바닥판하중하중케이스추가 (4개 8개) 5. 응답스펙트럼함수추가 (10 개 20 개 ) 6. 응답스펙트럼하중추가 (GB50011-2010) 7. 대만 Building Code 2011에따른정적지진하중추가 8. 러시아재질과단면 DB추가 9. 질량, 감쇠행렬에대한 6x6 매트릭스입력항추가 10. 조적조해석을위한재료축개선 11. 재질별감쇠를고려한응답스펙트럼해석 / 시간이력해석 22. [Pushover] 해석힌지특성개선 23. [Pushover] 해석한계층간변형각기능향상 24. [Pushover] 시공단계해석완성단계의부재력을초기하중으로반영 25. 초기하중에의한반력 / 층전단력 / 변위누적출력 On/Off 옵션추가 26. 단면강성증감계수와하중조건별경계조건반영 27. [Pushover]N2 방법에따른수평하중패턴 28. [Pushover] 해석축력성분압괴 / 좌굴시선택적자동종료기능추가 29. [Pushover]PMM Type H형강강축-약축고려한상관함수반영 30. 동적비선형해석의 Fiber 모델에사용하는철근이력률변경 31. Time Dependent Effect Elastic Modulus to Post C.S 적용옵션추가 12. 시간이력해석시 Group Damping Masses 항고려 13. PM Type Hinge 기능개선 14. Consistent Mass / Mass Offset 을고려한시간이력해석 Design Part 34 15. Model Data Text Output 에 Plate Member Data 추가 32. 이형철근 D 43, D 57 철근추가 16. Story 변경후해석수행시확인메시지 17. 시간이력해석후처리사용성개선 18. 힌지속성계산지원하는 SRC 단면추가 19. 동적탄소성재료모델추가 (Ramberg-Osgood, Hardin-Drnevich 모델 ) 20. 불규칙요소의 Local Direction Force Sum 계산 33. 철근강도상향조정에따른 SD 600 추가 34. 특수모멘트골조 (special moment frame) 기둥전단설계시전단력계산방법추가 35. 대만 RC Design 추가 (TWN-USD 100) 36. 대만 SRC Design 추가 (TWN-SRC 100) 37. TWN-USD92에따른강기둥-약보설계기능개선
1. 공작물풍하중자동산정기능 굴뚝, 탱크, 기타이와유사한구조물의주골조설계용풍력계수를자동산정하는기능 해당하는풍하중기준은 KBC(2009), IBC(2000) 기준에서사용 Load > Lateral Loads > Wind Loads > KBC(2009)/IBC(2000) > Load Evaluation Using Force Coefficient > Auto. Calculator 3/ 40
2. 층전단력분배율 Frame 부재기둥과브레이스부재로분리 건물골조, 이중골조시스템설계에서이중골조로설계하기위한근거제시 기존 Frame 부재를기둥부재 (Frame_Beam) 와브레이스부재 (Frame_Truss) 로분리하여표현 Results > Result Tables > Story > Story Shear force Ratio 4/ 40
3. 구조안전및내진설계확인서건물유효중량표현방법개선 기존에동적해석법으로설계한경우질량참여율을고려하여건물유효중량계산하던방식을등가정적해석법과같은방식으로계산함 Results > Structural Safety Report 5/ 40
4. 바닥판하중하중케이스추가 (4 개 8 개 ) 기존에 4 개까지입력할수있는바닥판하중하중케이스를 8 개까지추가 Load > Define Floor Load Type 6/ 40
5. 응답스펙트럼함수추가 (10 개 20 개 ) 기존에 10 개까지입력할수있는응답스펙트럼함수 20 개까지추가 Load > Response Spectrum Analysis Data > Response Spectrum Functions 7/ 40
6. 응답스펙트럼하중추가 (GB50011-2010) 응답스펙트럼하중에새로운지진기준 GB50011-2010 추가 지진응답스펙트럼기능강화 사이트등급 I0의특정주기값추가및설방지진추가 Load > Response spectrum Analysis Data > Response spectrum functions > Design Spectrum > China(GB50011-2010) Gen785 Gen795 8/ 40
7. 대만 Building Code 2011 에따른정적지진하중추가 Seismic Design Specifications and Commentary of Buildings 2011 Changes in Taiwan (2011) (1) Response Modification Coefficient (R) Clause 1.7 Structural System Table 1-3 Response Modification Coefficient R = 2.0, 2.4, 2.8, 3.0, 3.2, 3.6, 4.0, 4.2, 4.8 (2) Fundamental Period (Tx,Ty) Clause 2.6 Period Cu Coefficient is constant. Cu=1.4 (3) Sub Zone in Taipei Basin Clause 2.7 Taipei Basin Sub Zone: Taipei Basin I, Taipei Basin II, Taipei Basin III Load > Lateral Loads > Static Seismic Loads 정적지진하중 지진구역데이터 9/ 40
8. 러시아재질과단면 DB 추가 러시아재질 (GOST(S), GOST(RC)) 과단면 DB추가 (GOST,STO_ASCHM ) 추가되는단면은 Angle, Channel, H-Section, T-Section, Box, Pipe 단면제공 Model > Properties > Material > GOST(S), GOST(RC) Model > Properties > Section > GOST, STO_ASCHM 재질 DB 단면 DB 10 / 40
9. 질량, 감쇠행렬에대한 6x66 매트릭스입력항추가 ( 반력에비례하는변위생성지지방법 ) Pile-Soil System 의동적해석을수행하기위한 6X6 매트릭스를이룬질량행렬, 감쇠행렬의 General Spring Support 추가 General Spring Support의 Mass가반영되는해석기능 : General Spring Support의 Damping이반영되는해석기능 : 고유치해석 (Eigenvalue analysis) 변형에너지감쇠에따른응답스펙트럼해석 응답스펙트럼해석 (Response spectrum analysis) 변형에너지감쇠에따른선형, 비선형시간이력해석 ( 해석방법 : Modal) 선형시간이력해석 (Linear time history analysis) 변형에너지감쇠, 질량 & 강성비. 요소질량 & 강성비에따른선형, 비선형시간 비선형시간이력해석 (Nonlinear time history analysis) 이력해석 ( 해석방법 : Modal) Model > Boundaries > Define General Spring Type Model > Boundaries > General Spring Supports General Spring Support 11 / 40
10. 조적조해석을위한재료축개선 모델링편의성을위하여요소의 local축과상관없이 masonry 구조물의중력방향이 Global Z축에평행하도록모델링하는기능추가 기존버전에서는 masonry 구조물의중력방향이 Global Y축이나요소의 local y축과평행하도록모델링에제한 Global X-Z 평면으로부터회전된각도를입력함으로써 Global Z 축과평행한어느면이라도모델링이가능 Model > Properties > Plastic Material > Masonry Global-Z angle Masonry Plastic Material 3D Masonry Structure 12 / 40
11. 재질별감쇠를고려한응답스펙트럼해석 / 시간이력해석 Concrete, Steel 의감쇠비를각각설정하여응답스펙트럼해석 / 시간이력해석의감쇠로적용가능 Model > Properties > Material > Add > Damping Ratio Load > Time History Analysis Data > Time History Load Cases Element Mass & Stiffness Proportional Damping : 시간이력해석 Strain Energy Proportional Damping : 응답스펙트럼해석 Default value of damping ratio by material types - Steel : 0.02(2%) - Concrete / SRC : 0.05(5%) -USER : 0.00(0%) 13 / 40
12. 시간이력해석시 Group Damping Masses 항고려 Group Damping을 Element Mass & Stiffness Proportional과 Strain Energy Proportional로분리 Mass Coefficient(alpha) 고려지원, 질량 / 강성에대한감쇠정수설정시, 진동수 / 주기및감쇠비설정을통하여 alpha,beta 자동산정기능추가 GroupDamping입력편의기능강화 Model > Properties > Group Damping : Element Mass & Stiffness Proportional Model > Properties > Group Damping : Strain Energy Proportional Element Mass & Stiffness Proportional Strain Energy Proportional Element Mass & Stiffness Proportional 감쇠인경우, 고유치해석은 Lanczos 방법만지원 14 / 40
13. PM Type Hinge 기능개선 초기하중으로선형해석결과 Import(ST) 인경우도고려 초기하중에대한축력을고려하여모멘트성분의항복강도를산정 ( 이전버전에서는 ST 초기하중에대한축력을고려하지않았음 ) 하중증분인경우 Time History Load Cases의 Scale Factor 반영 Load > Time History Analysis Data > Time History Load Cases 15 / 40
14. Consistent t Mass/Mass Offset 을고려한시간이력해석 질량의 Consistent Mass/Off-diagonal Masses 옵션을선형및비선형시간이력해석시고려할수있도록개선이전버전에서집중질량 (Lumped Mass) 은시간이력해석에서 Off-diagonal Masses 옵션선택시적용할수있었음 선형및비선형시간이력해석모두적용 Model > Structure Type Consistent Mass 를고려한시간이력해석 Mass Offset 을고려한시간이력해석 Consistent Mass Mass Offset (Off-diagonal Masses) Consistent Mass / Mass Offset을사용할경우, 고유치해석은 Lanczos 방법만지원 Mass Offset을사용할경우, Beam요소의 Section Offset만고려 Beam 이외의요소는 Mass Offset 을지원하지않음 16 / 40
15. Model Data Text Output t 에 Plate Member Data 추가 Model Data Text Output 에 Plate Member Data 를출력할수있도록추가함 File > Model Data Text Output > Plate Member Data 17 / 40
16. Story 변경후해석수행시확인메시지 Story 생성후추가적으로층이변경되는경우생성된 Story 를갱신하지않으면확인메시지 Model > Building > Story Story 생성후절점이이동된경우 (Story에잡혀있는 node가변경될시 ) 층이추가된경우층이분할된경우 Perform Analysis 실행시다음과같은메시지출력 18 / 40
17. 시간이력해석후처리사용성개선 Context Menu에시간이력해석 Result table 추가 Time History 해석결과확인이용이하도록개선 Context Menu > Time History Results > Inelastic Hinge Table / Time History Analysis Table Disp./Vel./Accel. Table Beam Force Table 19 / 40
18. 힌지속성계산지원하는 SRC 단면추가 힌지속성계산지원하는 SRC 단면추가 : Rect-Cross H / Rect Combined T / SRC-BOX-Stiffener / SRC-Pipe-Stiffener Design > Pushover Analysis > Define Pushover Hinge Properties 20 / 40
19. 동적탄소성재료모델추가 (Ramberg-Osgood, Hardin-Drnevich i 모델 ) Inelastic Hinge Properties에동적탄소성재료모델추가 (Ramberg-Osgood, Hardin-Drnevich) 지반의비선형동적응답해석용모델 Model > Properties > Inelastic Hinge Properties > Add > Spring Type > Hysteresis Model > Special Model Ramberg-Osgood, Hardin-Drnevich 이력커브 21 / 40
20. 불규칙요소의 Local Direction Force Sum 계산 요소의불규칙한분할이있을때부재력계산시불규칙하게분할된요소도부재력을계산할수있도록개선 Results > Local Direction Force Sum > Plate Edge Line Select 22 / 40
21. [Pushover] 해석속도개선 해석알고리즘최적화및해석결과출력루틴의최적화로 pushover 해석속도가상당히향상 Design > Pushover Analysis > Perform Pushover Analysis ANALYSIS MODEL ANALYSIS RESULT BEAM : 1,550 ELEMENT [Gen785] PUSHOVER [Gen795] PUSHOVER ANALYSIS TIME Program Total Analysis Time (sec) : 1,550 elem. 20 step 50 step 100 step 200 step Gen785 14.72sec 95.35sec 446.02sec 1443.00sec Gen795 9.30sec 20.28sec 36.76sec 71.93sec v795/v785 *100 63.17% 20.97% 8.24% 4.98% BEAM ELEMENT MODEL : 증분수가많을수록성능향상효과가큼 23 / 40
22. [Pushover] 해석힌지특성개선 비선형보요소축력, 전단, 비틀림힌지 (Fx, Fy, Fz, and Mx) 를부재각각 I, J단으로분리하여할당 ( 이전버전에서는부재의 center에만할당 ) 적용부재는 RC, Steel, SRC 부재에해당. 조적재질의경우, 축, 전단, 그리고비틀림힌지의경우부재의 center에만할당 Design > Pushover Analysis > Define Pushover Hinge Properties 축력, 전단, 비틀림성분의힌지설정위치 I,J 단 Moment-Rotation, Moment-Curvature(M-theta Lumped) 인경우 - Fx, Fy, Fz, Mx 성분 : Center I-end, J-end, I&J-end 로분리 24 / 40
23. [Pushover] 해석한계층간변형각기능향상 층간변형각이명시된각의 0.5% 의허용변형에도달할때종료이전버전에서는한계층간변형각을넣고최대층간변향각이명시된값을초과하면해석이종료 Design > Pushover Analysis > Pushover Load Case 0.5% tolerance [Gen785] [Gen795] 25 / 40
24. [Pushover] 시공단계해석완성단계의부재력을초기하중으로반영 시공단계해석의최종단계부재력을 Pushover 해석의초기하중으로설정할수있도록개선 Design > Pushover Analysis > Pushover Global Control Pushover해석의초기하중으로시공단계해석의최종단계의부재력을취하여해석하는경우, 설정한초기하중에대해서 Pushover해석에서실제비선형해석을수행하지않고, 시공단계해석에서수행한해석결과를 import하여처리하는방법을취하고있습니다. 26 / 40
25. 초기하중에의한반력 / 층전단력 / 변위누적출력 On/Off 옵션추가 초기하중에의해발생하는결과중반력 / 층전단력 / 변위를 pushover 해석결과에누적출력할수있도록개선 Design > Pushover Analysis > Pushover Analysis > Pushover Load Cases 초기하중이정적해석 (ST), 시공단계해석 (CS) 인경우, 반력과변위의누적출력은불가능합니다. 단, 기존버전에서는초기하중에의한반력 / 층전단력은누적하여출력하고변위는누적하지않기때문에옵션에따라서반력 / 층전단력 / 변위결과가기존버전과달라질수있음에주의할필요가있습니다. 27 / 40
26. 단면강성증감계수와하중조건별경계조건반영 적용조건 - Pushover 해석에서초기하중과 Pushover하중조건의경계조건이다른경우고려 - 초기하중으로설정하는하중조건과 Pushover하중조건의단면강성증감계수가다른경우고려 Analysis > Boundary Change Assignment to Load Cases/Analyses 28 / 40
27. [Pushover]N2 방법에따른수평하중패턴 Pushover 해석을위한새로운하중패턴 Normalized Mode Shape * Mass 추가 자세한사용방법은별도파일로제공 Design > Pushover Analysis > Pushover Load Case 29 / 40
28. [Pushover] 해석축력성분압괴 / 좌굴시선택적자동종료기능추가 Beam/Column, Wall, Truss 요소의축힌지가 pushover해석시좌굴에도달하면, 프로그램은해석을자동종료하고메시지출력하고종료단계까지의결과를저장 해석결과는종료스텝까지확인 Design > Pushover Analysis > Pushover Global Control 30 / 40
29. [Pushover]PMM Type H 형강강축- 약축고려한상관함수반영 PMM Type에서 My-Mz축의상관관계를나타내는 alpha를기존에는강축 / 약축구분없이같은값을사용하고있었는데, 강축 / 약축사용할수있도록개선 강축 2.0, 약축 1.0 반영 Design > Pushover Analysis > Pushover Global Control 31 / 40
30. 동적비선형해석의 Fiber 모델에사용하는철근이력률변경 반복루프를그릴때적용하는소성변형률 ξ 계수의계산식변경 ( 동경공업대학, 박사논문참고 ) Model > Properties > Inelastic Material Properties > Menegotto-Pinto Model σ ξ 2 (ε r, σ r ) 1 (ε 0, σ 0 ) 2 b E E ε (ε r, σ r ) 2 (ε 0, σ 0 ) 1 ξ 1 [Gen785] [Gen795] ε ε ε max ε max 0 0 Δ ε > 0 ; ξ 1 = ε0 ε Δ ε > 0 ; ξ = 1 r ξ = ε y ξ = ε0 ε Δ min ε < 0 ; ξ2 = ε0 ε Δ min ε < 0 ; ξ2 = ε0 εr ε y 32 / 40
31. Time Dependent Effect Elastic Modulus to Post C.S 적용옵션추가 시간에따른마지막단계의탄성계수를 Post C.S 에서적용할것인지에대한선택옵션추가 Analysis > Construction Stage Analysis Control 33 / 40
32. 이형철근 D 43, D 57 철근추가 (Design+, ADS 공통 ) 철근 DB 추가 (KSEA 551-09) D43,D57 Design > Concrete Design Parameter > Design Criteria for Rebars > Rebar 34 / 40
33. 철근강도상향조정에따른 SD 600 추가 (Design+, ADS 공통 ) 철근강도상향조정에따른 SD 600 추가 600N/ mm2 관련 Code : KS01(RC), KS01-Civil(RC) Design > Concrete Design Parameter > Modify Concrete Material > Rebar Selection 35 / 40
34. 특수모멘트골조 (special moment frame) 기둥전단설계시전단력계산방법추가 관련기준 : ACI318 21.4.5.1 Design Forces, KBC2009 0520.3.4.1 설계전단력 반영기준 : ACI318-89,95, 99, 02, 05, KCI-USD07 Design > Concrete Code Design > Column Design ACI318 21.4.5.1 Design forces ; The member shears need not exceed those determined from joint strengths based on the probable moment strength Mpr of the transverse members framing into the joint. KBC2009 0520.3.4.1 설계전단력해설 ; 기둥에대한 Mpr값은그기둥이접합되어있는보들의 Mpr값에의해계산되는값을초과할필요는없다. 36 / 40
35. 대만 RC Design 추가 (TWN-USD 100) 철근 DB CNS560 추가 SR 240, SR 300, SD 280, SD 280W, SD 420, SD 420W, SD 490 Design > Concrete Design Parameter > Design Code > TWN-USD100 Changes in TWN-USD 100 (Special provision for seismic design) Relevant clause of TWN-USD 100 TWN-USD 92 TWN-USD 100 2.3.2 Strength reduction factor - Axial tension, and axial tension with flexure: - Axial compression, and axial compression with flexure: eue Members with spiral reinforcement: Other reinforced members: 0.90 0.90 0.75 0.70 0.70 0.65 Linear variation with the tensile strain in the extreme tension steel - Shear and torsion: 0.85 0.75 하중조합 U=1.4(D+F) U=1.2(D+F+T)+1.6(L+H)+0.5(Lr or S or R) U=1.2D+1.6(Lr or S or R)+(1.0L or 0.8W) U=1.2D+1.6W+1.0L+0.5(Lr or S or R) U=1.2D+1.0E+1.0L+0.2S U=0.9D+1.6W+1.6H U=0.9D+1.0E+1.6H 15.4.3.4 Beams of special moment frames - Maximum stirrup spacing Min. (d/2, 30cm) d/2 15.5.2.2 Columns of special moment frames - Flexural strength of columns 15.5.4.2 & 15.5.4.3 Columns of special moment frames - Maximum spacing of transverse reinforcement Design flexural strength Min. (h min /4, 10cm) Nominal flexural strength Min. (h min /4, 6d b, s o ) s o = 10+((35-h x )/3) 10cm s o 15cm h x 35cm 37 / 40
36. 대만 SRC Design 추가 (TWN-SRC 100) Design > SRC Design Parameter > Design Code > TWN-SRC100 Changes in TWN-SRC 100 Relevant clause of TWN-SRC 100 4.3.5 Hoop of column - Maximum hoop spacing for rebar size D10 9.6.3 Design criteria for colu mn - Maximum reinforcement ratio of main rebars 9.6.3 Design criteria for column - Maximum hoop spacing TWN-SRC 92 TWN-SRC 100 100mm 150mm A r /A g 4% A r /A g 3% Min.(H min /4, 15cm) Min.(H min /4, 15cm, 6d b ) 9.6.3 Design criteria for colu mn - Minimum required confine ment reinforcement - P hcc : Axial strength of highly confined area H O U H O U H O U H O U H: Highly confined area, O: Ordinarily confined area, U: Unconfined area 38 / 40
37. TWN-USD92 에따른강기둥 - 약보설계기능개선 Nominal Strength(Φ b M nb ) 를고려할수있도록개선 Design > RC Strong Column Weak Beam Design > Ductile Design Design > RC Strong Column Weak Beam Design > Strong Column Weak Beam Ratio Design > RC Strong Column Weak Beam Design > Strong Column Weak Beam Ratio Table 39 / 40
Nominal Strength(Φ b M nb ) 를고려할수있도록개선 Design > RC Strong Column Weak Beam Design > Ductile Design Concrete Code Design > Beam Design, Column Design Concrete Code Check > Beam Checking, Column Checking When Design Strength is selected Strong Column Weak Beam Ratio Design > RC Strong Column Weak Beam Design > Strong Column Weak Beam Ratio When Nominal Strength is selected When Design Strength is selected When Nominal Strength is selected 40 / 40