Element Type → Beam Material → C50 Section → Column dx,dy,dz → 0,0,-2000 Numbers of Times → 5 Click → Apply
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9 midas
Civil
Workshop
Part 3. Design
Full Staging Method
Modeling
Structure modeling
midas
Civil
Bridging Your Innovations to Realities
Workshop
Part 3. Design
Modeling
Open FSM 01 mcb
midas
Civil
Full Staging Method
Bridging Your Innovations to Realities
Workshop
Part 3. Design
Full Staging Method
Modeling
Structure modeling Go to Group Tab In The tree menu 1. 2.
Right Click on the Structure Group and Select New Name → Perletakan
Similarly define the following groups: Structure: Perletakan Sementara Piertable Girder 1 Girder 2 Boundary: Perletakan Perletakan Sementara Link Load: Selfweight SiDL PT girder 1 PT girder 2 midas
Civil
Bridging Your Innovations to Realities
Workshop
Part 3. Design
Full Staging Method
Modeling
Defining Structure Group 1.
Select the nodes 1, 25, 26, 28, 33 by typing 1 25 26 28 33 in the node selection filed 2. Drag & drop Perletakan Group 3. Type 2to11 15to24 in the node selection filed 4. Drag & drop Perletakan sementara Group 5. Type 12to14 27 29to33 in the node selection filed and 12 13 25to29 in the element selection filed 6. Drag & drop Piertable Group 7. Type 2to11 in the node selection filed and 1to11 in the element selection filed 8. Drag & drop Girder 1 Group 9. Type 15to24 in the node selection filed and 14to24 in the element selection filed 10. Drag & drop Girder 2 Group
Load Case Name → Selfweight Load Group name → Selfweight Z→ -1 Click Add
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4
midas
Civil
Workshop
Part 3. Design
Full Staging Method
Bridging Your Innovations to Realities
Modeling
Defining Super-imposed Dead Loads Load → Static Loads → Element
1. 2. 3. 4. 5. 6. 7.
Type 1to24 in the element selection filed Load Case Name → SiDL Load Group name → SiDL Load Type → Uniform Loads Direction → Global Z w → -10 (-10N/mm) Click Apply
Time Dependent Material Definition (Compresive Strenght) Properties → Compresive Strength
1. 2. 3. 4. 5.
Click → Add Name → CEB-FIP Code → CEB-FIP(1990) Permanent Compresive → 50 Click → OK
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5
midas
Civil
Workshop
Part 3. Design
Full Staging Method
Bridging Your Innovations to Realities
Modeling
Defining Notional Size of Member Properties → Change Property
1. 2. 3. 4. 5. 6.
Type 1to29 in the element selection filed Elem. Dependent Material → Notational Size of Member Select Auto Calculate Code → CEB-FIP a → 0.5 Click Apply
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5
6
midas
Civil
Workshop
Part 3. Design
Full Staging Method
Bridging Your Innovations to Realities
Modeling
Time Dependent Material Link Properties → Material Link
Click Add User Defined Click → Truck/Lane Vehicular Load Name → Truck P# → 50000 D# → 5000 Click → Add
4. 5. 6.
P# → 225000 D# → 4000 Click → Add
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4
4. 5. 6. 7.
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P# → 225000 D# → 9000 Click → Add Click → OK
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midas
Civil
Workshop
Part 3. Design
Full Staging Method
Moving Load Analysis
Define Truck Load
midas
Civil
Bridging Your Innovations to Realities
Workshop
Part 3. Design
Full Staging Method
Bridging Your Innovations to Realities
Moving Load Analysis 2
Define Moving Load Cases
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Load → Moving Load → Moving Load Cases
9
1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12.
Click Add Load Case Name → MV Multiple Presence Factor → 1 Loading Effect → Independent Click → Add Vehicle clases → Truck Scale Factor → 1 Min. Number of loaded lane → 0 Min. Number of loaded lane → 2 Select Lane1 and Lane2 Click → OK Click → OK
Name → System Temperature + Type → Temperature (T, TU) Click Add Repeat the input for • System Temperature + • System Temperature • Temperature Gradien + • Temperature Gradien -
midas
Civil
1 2
3
Workshop
Part 3. Design
Full Staging Method
Bridging Your Innovations to Realities
Temperature Load
Define System Temperature Load → Temp./Prestress → System Temp. 1. 2. 3. 4.
Load Case Name → System Temperature + Cek The Initial Temperature Final Temperature → 15 Click Add
1
2
1. 2. 3. 4.
Load Case Name → System Temperature – Cek The Initial Temperature Final Temperature → -15 Click Add
Load Case Name → Temperature Gradien + Section Type → General Direction → Local-z Ref. position → +End(Top) Cek The Initial Temperature Material → Element B → 10000 H1 → 0; H2 → 250 T1 → 12; T2 → 3.73 Click → Add Repeat the adding for other position Type 1to24 in the element selection filed Click → Apply
Load Case Name → Temperature Gradien Section Type → General Direction → Local-z Ref. position → +End(Top) Cek The Initial Temperature Material → Element B → 10000 H1 → 0; H2 → 250 T1 → -4.8; T2 → -0.8 Click Add Repeat the adding for other position Type 1to24 in the element selection filed Click → Apply
midas
Civil
2 3 4
5 6
7 8 9 10
Workshop
Part 3. Design
Modeling
Open FSM 05.mcb
midas
Civil
Full Staging Method
Bridging Your Innovations to Realities
Workshop
Part 3. Design
Full Staging Method
Analysis
Perform Analysis Analysis → Perform Analysis
midas
Civil
Bridging Your Innovations to Realities
Workshop
Part 3. Design
Full Staging Method
Bridging Your Innovations to Realities
Analisis Respon Spektral
Specifying Structure Mass
Defining Eigenvalue Analysis Control
Response Spectrum Functions
Response Spectrum Load Cases
Response Spectrum Results
midas
Civil
Workshop
Part 3. Design
Full Staging Method
Bridging Your Innovations to Realities
Analisis Respon Spektral
Step 1: Define Structure Mass The structure Mass can be defined in one of the following ways: Lumped Mass Consistent Mass
Lumped Mass
The total mass of an element is directly distributed to the nodal points of an element.
Consistent Mass
Consistent Mass is calculated with the shape function used to derive the stiffness matrix
midas
Civil
Workshop
Part 3. Design
Full Staging Method
Analisis Respon Spektral Lumped mass can be defined in: 1. Structure → Structure Type. 2. Load → Static Loads → Load to Masses
midas
Civil
Bridging Your Innovations to Realities
Workshop
Part 3. Design
Full Staging Method
Analisis Respon Spektral
Consider off Diagonal mass Consider the mass at the centroid of the section If the offset is defined.
midas
Civil
Bridging Your Innovations to Realities
Workshop
Part 3. Design
Full Staging Method
Analisis Respon Spektral Convert Self-weight into Masses
The masses of the elements included in the model can be automatically converted into lumped masses or consistence masses in midas Civil for dynamic analysis or computation of statically equivalent seismic loads. When dynamic analysis is performed with "Do not convert" option checked, mass effect cannot be reflected in the analysis.
midas
Civil
Bridging Your Innovations to Realities
Workshop
Part 3. Design
Full Staging Method
Analisis Respon Spektral
Step 2: Defining Eigen Value Analysis Control Analysis -> Eigen Value Analysis Control
Subspace Iteration This method is effectively used when performing eigenvalue analysis for a finite element system of a large scale (large matrix system)
Lanczos Tri-diagonal Matrix is used to perform eigenvalue analysis. This method is effectively used when performing eigenvalue analysis for lower modes. If the model is complex this analysis is fast.
Load Case Name → X (X Direction) Direction → X-Y Exitation Angle → 0 Scale Factor → 1 Period modificator → 1 Click → Select → CQC Select the Add sign (+,-) Click → OK Select the response spectrum function Click → Add Input for the Y direction with Load cases name “Y” and excitation angle is 90.
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