Shearwall Reinforcements

Summary Information

The summary information about the line where the cursor is located is given in the form of story name, in the name section of the dialog.

For example Base Story, P1

Using the Shift key

In this tab, you can select more than one row with the Shift key, enter a value by double-clicking any cell whose value is open to change, and you can make that value apply to all selected rows.

Using the Ctrl key

Ctrl key, on the other hand, selects the lines in between one by one.

Reinforcement calculator

Calculates the amount of rebar, in area, for the selected diameter and span.

Show only reinforcement shearwalls

It only lists the rebar shearwalls.

All Stories

It lists the slabs on the screen throughout the entire story.

Select

Selects the object on the line with the cursor. When the concrete dialog is closed, you can take action for the selected element.

Previous

The cursor moves to the previous line.

Next

The cursor goes to the next line.

Filter

It is used to define certain conditions and filter only the elements that satisfy that condition.

Recalculate

The element rebuilds its concrete. The regulation calculations related to concrete and rebars are also made again. It may be more appropriate to repeat the structure analysis instead of concrete in important changes.

Ok

It saves the changes made and closes the dialog.

Cancel

Closes the dialog without saving the changes made.

DS

If marked, the rebar is fixed. When the shearwall is changed, DS is automatically marked and when concrete is made, the shearwall also remains constant. If DS is not marked, when concrete is made, shearwall rebar is determined again according to rebar selection conditions. .

ID

It is the name of the shearwall in the plan. (P1, P101, P10 etc.) In case of negativity, a term related to negativity is added next to the name. Like P101 (E) ..

Story

Indicates the story where the shearwall is located.

B

It is the width of the shearwall.

lw

It is the length of the shearwall.

HeadL

It is the value of the rebar in the left region in terms of quantity and diameter.

Middle

It is the value of the rebar in the middle region in terms of quantity and diameter. The shearwall mesh reinforced shearwall is written as the mesh rebar type in the cell.

HeadR

It is the value of the right area rebar in terms of quantity and diameter.

Stirrup

It is the diameter and spacing of the stirrup of the shearwall body region.

Head Stirrup

It is the diameter and spacing of the stirrup of the shearwall heading area.

Vd

It is the shear force calculated under the combined effect of vertical loads and earthquake loads.

Ve

It is the design shear force calculated according to TBDY 7.6.6 and based on the shear transverse reinforcement calculation.

Vr

Shearwall shear design strength.

VeMax

It is the maximum shear force that the shearwall can take, calculated according to TBDY Equation 7.18.

Cap. Ratio

It is the largest of the capacity ratios calculated under the effect of axial force and biaxial bending, under the effect of all combinations in the existing reinforcement layout.

Preview and legend

The fiber layout preview and what the colors mean are shown.

Material model for DGT

Section cells and rebars are displayed according to the concrete and rebar material model criteria defined in TS500.

Material model for SDGT

The section cells and rebars are displayed according to the ŞGDT criteria for the concrete and rebar material model defined in TBDY.

Table of forces

Load:  The name of the respective load or load combinations.
i: The left end of the element in the horizontal element is the lower end of the element in the vertical element.
j: The right end of the element in the horizontal element is the upper end of the element in the vertical element.
N: The axial force of the element
V2, V3:  The shear forces of the element in the 2 and 3 directions.
T: The torsion moment of the element.
M2: It is the bending moment of the element in the 2 (minor) direction.
M3: It is the bending moment of the element in the 3 (major) direction.

Reinforcements (calculated - required - existing)

Respectively; The area of ​​rebar found from the most unfavorable loading combination, the amount of rebar to be placed according to the regulations and minimum rebar conditions and the total values ​​of the final selected rebar in the left, middle and right regions for the shearwall are given.

Design: It is the name of the combination used in reinforcement calculation.
M3 (major): It  is the moment value in the 3 axis of the combination used in the wall reinforcement calculation.
M2 (minor): It is the moment value in the 2 axis of the combination used in the wall reinforcement calculation.
F1 (axial): It is the normal force value of the combination used in wall reinforcement calculation.

Design results

After the analysis, the regulation conditions have been applied, therefore it shows the end forces that have undergone changes and going to the design. In addition, the values ​​used are shown in bold. End forces are values ​​calculated on the element local axes.

Raw results

After analysis, it shows the raw end forces that are not applied to the regulation conditions. End forces are effects on the element local axes.

Global results

After the analysis, these are the values ​​in global coordinates of the extreme forces that are not applied regulation conditions.

Show individual results

For 4 modal analysis cases, 4 different results are obtained from each earthquake loaded combination. If you want the program to display the values ​​obtained for each modal state one by one, you should check this option.

Show maximums

The biggest values ​​of 4 different results obtained from each load combination for 4 different modal cases are shown in the table.

Geometric properties

hw: The total height of the shearwall throughout the structure.
lw: It is the length value of the shearwall in plan.

Material properties

Structural material: The structural material of the shearwall.
fck: The characteristic of concrete is its compressive strength.
fcd: The characteristic calculation of concrete is its compressive strength.
fctd: Characteristic calculation of concrete is its tensile strength.
fyk: It is the yield strength of reinforcement steel.
fyd: It is the calculation strength of reinforcement steel.

Shear force

Detailed information on shear force control according to TDY is printed. In walls with high ductility level with Hw / Lw> 2;
And = betav. Vd. Betav = 1.5 as [(Mp) t / (Md) t], but betav = 1.0 is taken for buildings where all earthquake loads are carried by shearwall walls.
hw: The total height of the shearwall throughout the structure.
lw: It is the length value of the shearwall in plan.
(Mp) t: It is the hardened moment capacity value calculated at the base section of the wall.
(Md) t: It is the moment value calculated under the combined effect of vertical loads and earthquake loads multiplied by the load coefficients calculated at the base section of the wall.
Ve:It is the design shear force calculated according to TBDY 7.6.6 and based on the shear transverse reinforcement calculation.
Ve cap value: The shear force obtained by magnifying the shear force calculated from the earthquake with vertical loads by 1.2D or 1.4D times.
Vr: It is the shear strength value of the shearwall section.
And> Vr means that it does not provide cutting safety in the shearwall.
For shearwalls with high ductility level with Hw / Lw <= 2;
And its value is the value calculated from the most unfavorable load combination.
Factor 4.3.4.9: For walls with Hw / Lw <= 2, the end forces are increased by the coefficient [3 / (1 + Hw / Lw)] according to the R coefficient. However, this value is not taken higher than 2.
VeMax:It is the maximum shear force that the shearwall can take, calculated according to TBDY Equation 7.18.

Capacity chart

Combination: The corresponding combination is shown.
i: The left end of the element in the horizontal element is the lower end of the element in the vertical element.
j: The right end of the element in the horizontal element is the upper end of the element in the vertical element.
N: The axial force of the element
V2, V3:  The shear forces of the element in the 2 and 3 directions.
T: The torsion moment of the element.
M2: It is the bending moment of the element in the 2 (minor) direction.
M3: It is the bending moment of the element in the 3 (major) direction.
Capacity ratio: It shows the ratio of the effect of the element at the i and j ends of the respective loading / combination to its capacity at that loading. If the value is greater than 1, the element is exceeding the maximum capacity.

Existing area of steel

The available rebar area values ​​for end i, span, and end j are shown.

Bending about 2 axis

Bending about 3 axis

Material model for DGT

Section cells and rebars are displayed according to the concrete and rebar material model criteria defined in TS500.

SDGT - (new structure)

The section cells and rebars are displayed according to the ŞGDT (new structure) criteria for the concrete and rebar material model defined in TBDY.

SDGT - (existing str. - limited information)

The section cells and rebars are displayed according to the ŞGDT (existing structure - limited information) criteria for the concrete and rebar material model defined in TBDY.

SDGT - (existing str. - comprehensive info)

The section cells and rebars are displayed according to the ŞGDT (existing structure - comprehensive information) criteria for the concrete and rebar material model defined in TBDY.

Design case

The combination for the capacity diagrams to be examined can be selected from the list.

Schematic drawing

Moment - curvature diagram

Caltrans idealized model

If marked, the moment-curvature plot is idealized. It is a moment curvature relationship obtained by drawing a horizontal line that intersects with an inclined line passing over the moment of yield and will equalize the areas between the moment curvature graph.

Stop when a fiber reaches ultimate stress

If checked, the graphic ends when the graphic fiber reaches its highest stress.

DGT

Section cells and rebars are displayed according to the concrete and rebar material model criteria defined in TS500.

SDGT

The section cells and rebars are displayed according to the ŞGDT criteria for the concrete and rebar material model defined in TBDY.

Point count

It is used to determine how many points the moment curvature graph consists of.

Angle

It shows the neutral axis angle from which the moment curvature relationship is obtained. It is indicated with a red arrow in the image above.

Axial force

It shows under which axial force the moment curvature relationship is drawn.

Compression limit

The determined material model is the largest axial pressure force that the section can take in the moment-normal force interaction.

Tension limit

The determined material model is the largest axial tensile force that the section can take in the moment-normal force interaction.

View stress/strain contours

It shows the stress and strain state in section in color format at each step of the moment curvature relationship.

Generate report

Creates a detailed report of moment-curvature.

Control table

Major (+): It is the moment of carrying capacity of the bulkheads in the major direction calculated according to the earthquake + direction.
Major (-): It is the moment of carrying capacity of the walls in the major direction calculated according to the earthquake-direction.
Minor (+): It is the moment of carrying power of the walls in the minor direction calculated according to the earthquake + direction.
Minor (-): It is the moment of carrying power of the walls in the minor direction calculated according to the earthquake-direction.
Mra, Mrü: In the long direction of the shearwall, they are the lower and upper bearing strength moments, respectively.
Mri, Mrj: Beams are the left and right bearing strength moments, respectively.

Mr(c): Sum of nominal flexural strengths of shearwalls (Mra, Mrü) framing into the joint, evaluated faces of joint.
1.2Mr(b): 1.2 times the sum of nominal flexural strengths of beams (Mri, Mrj) framing into the joint, evaluated faces of joint.
Note: information about the case where some shearwalls cannot satisfy the requirement of having shearwalls stronger than beams.

(Mra + Mrü) Major: For strong column control, it is the sum of the moments of bearing strength in the long direction of the shearwall (in the 3 axis), above and below the shearwall.
1.2 (Mri + Mrj) Major: It is the sum of the moment of bearing strength on the left and right of the beams connected in the shearwall major direction (3 axis) for strong column control.

(Mra + Mrü) Major> 1.2 (Mri + Mrj) Major control is checked. If not, shearwall sizes are increased.

Nd: It is the axial force value that makes these moments the smallest in accordance with the direction of the earthquake in the calculation of column bearing force moments.
Ac: It is the gross cross-sectional area value of the column.
fck: It is the characteristic compressive strength value of concrete.

3D image

Show columns

If the option is selected, column rebars are shown on the screen.

Show beams

If the option is selected, beam rebars are shown on the screen.

Show shearwalls

If the option is selected, shearwall rebar is shown on the screen.

Show longitudinal bars

Longitudinal bars of the elements with option marked are shown on the screen.

Show transverse bars

The transverse rebars of the elements with options are displayed on the screen.

Show individual colors

If the option is selected, bars with different diameters are shown in different colors. Which color represents which diameter is on the right of the screen. If the option is off, all of the rebars are shown in red.