BACK
PROP
v2
IKB Engineering — Back-Propping Design Tool
BACK
PROP
By IKB Engineering
← Projects
🏗 Building Levels
🔩 Prop Library
⚙ Engineer View
👷 Builder View
New Project
·
—
⬆ Import
⬇ Export
▶ Calculate
Import Spreadsheet
Import an existing back-propping XLSX. Reads levels from THICKNESS and CAPACITY sheets.
📂
Click to browse
or drag & drop
XLSX files only
Cancel
Project Settings
Configure project details and engineering parameters.
Project Name
Job Number
Prepared By
Engineering Parameters
Concrete density (kN/m³)
Max prop spacing (m)
Cancel
Save
Building Levels
Construct the building from bottom to top. Enter each level name, then open Zones to define the pour configuration.
+ Add Level
#
Level Name
Zones
+
Add Level (builds upward ↑)
Project Summary
Total levels
0
Total zones
0
Props in library
0
Status
Not calculated
Quick Help
① The
Base Level
is always the lowest level — rename it as needed (e.g. Ground, Podium).
② Add levels
above
the base using
Add Level
— they build upward.
③ Click
Zones →
on any upper level to define pour zones and back-propping.
④ Hit
Calculate
to run the back-propping analysis.
← Building Levels
/
Level 4
Level 4 — Zones
Define pour zones for this level. Each zone represents a slab area with its own wet concrete thickness and back-propping arrangement.
+ Add Zone
+ Add Zone to this Level
Prop Library
Build a library of props for selection in zone configurations. Set a default for quick assignment.
Type / Model
Extension
Capacity
Default
+
Add prop to library
Add Prop
Prop Type / Model
Extension / Configuration
Capacity (kN)
Notes (optional)
Save Prop
Clear
Project
Project 10354
Job No. 10354
Parameters
Density kN/m³
Max spacing m
Pour Scenarios
No results yet
⚙
Configure levels & zones, then click Calculate
Results will appear here
Pour / Zone
No results yet — click Calculate
👷
Select a pour to view back-propping visualisation