What are the opening hours?

Monday 9am - 5pm Tuesday 9am - 5pm Wednesday 9am - 5pm Thursday 9am - 5pm Friday 9am - 5pm Saturday 9am - 5pm

http://WWW.ENGINEERINGDISCOVERIES.COM/

CIVIL Engineering, Delhi (2026)

06/01/2026

Useful Information For Land Surveyors and Civil Engineers.

26/12/2025

Calculation notebook for the design of a cantilever-reinforced concrete retaining wall

26/12/2025

Best Youtube Channels To Learn in 2026

1. Cybersecurity – John Hammond
2. Artificial Intelligence – Krish Naik
3. Web Development – Traversy Media
4. Python Programming – Code With Harry
5. DevOps – TechWorld With Nana
6. Cloud Computing – freeCodeCamp
7. Data Analytics – Alex The Analyst
8. Digital Marketing – Neil Patel
9. UI / UX Design – GFXMentor
10. Blockchain Development – Telusko
11. React Development – Codevolution
12. Java Programming – Kunal Kushwaha
13. Networking – David Bombal
14. Personal Branding – Ali Abdaal

23/12/2025

Slump Test

1. Zero Slump (0-25mm)

Description: Very stiff concrete mix, almost no slump.

Use in Construction:

Pavements and Roads: Concrete for pavements or curbs where little or no flow is needed.

Precast Concrete Elements: Used for making products like beams, columns, or blocks that require high strength and minimal settlement.

Foundations (Mass concrete): For foundations requiring minimal shrinkage and controlled compaction.

Grouting: Used for grout mixtures in certain structural applications.

Tunnels and Underwater Construction: High-density, stiff mixes where precise placement is critical.

2. True Slump (50-100mm)

Description: Moderate slump indicating a workable concrete mix.

Use in Construction:

Slabs and Beams: Ideal for general structural concrete works like beams, slabs, and columns in buildings.

Foundation Walls: For creating strong foundation walls where some flowability is needed for proper settling.

Concrete Roads and Driveways: Most commonly used in road construction where workability is essential for finishing and smooth pouring.

Masonry Works: Concrete used in brickwork or block work, requiring medium workability.

3. Shear Slump (100-150mm)

Description: Concrete shows signs of deformation, such as collapsing or slumping in one direction.

Use in Construction:

Not recommended for general use. A shear slump usually signals that the mix is too wet or that segregation is occurring.

Adjust Mix: Requires adjustments to mix proportions to prevent issues like excessive bleeding, segregation, or poor strength.

Occasionally Used in Specialized Situations: In applications where shear resistance is not a primary concern but flowability is required.

4. Collapse Slump (150-200mm or more)

Description: Concrete mix flows easily and loses its shape entirely, forming a puddle.

Use in Construction:

Not suitable for most construction works. Collapse slump indicates a too-wet mixture that is not cohesive, leading to issues like segregation, poor bonding, and reduced strength.

Pumped Concrete: Occasionally used for pumped concrete where the concrete needs to flow easily through pipes or pumps, but even then, the mix should not be overly wet.

Concrete with High Water Content: Often used in special applications requiring high fluidity, but it may require additional additives or plasticizers to maintain proper strength and stability.

08/09/2025

❤️ Ctrl + A – Select All
❤️ Ctrl + B – Bold Text
❤️ Ctrl + C – Copy
❤️ Ctrl + D – Font Settings
❤️ Ctrl + E – Center Align
❤️ Ctrl + F – Find/Search
❤️ Ctrl + G – Go To
❤️ Ctrl + H – Replace
❤️ Ctrl + I – Italic Text
❤️ Ctrl + J – Justify Text
❤️ Ctrl + K – Insert Hyperlink
❤️ Ctrl + L – Left Align
❤️ Ctrl + M – Increase Indent
❤️ Ctrl + N – New
❤️ Ctrl + O – Open File
❤️ Ctrl + P – Print
❤️ Ctrl + Q – Remove Paragraph
❤️ Ctrl + R – Right Align
❤️ Ctrl + S – Save
❤️ Ctrl + T – Hanging Indent
❤️ Ctrl + U – Underline Text
❤️ Ctrl + V – Paste
❤️ Ctrl + W – Close Window
❤️ Ctrl + X – Cut
❤️ Ctrl + Y – Redo
❤️ Ctrl + Z – Undo
❤️ Ctrl + L – Focus Address Bar
❤️ Ctrl + D – Bookmark Page
❤️ Ctrl + J – Downloads
❤️ Ctrl + H – History
❤️ Ctrl + F – Find on Page
❤️ F2 – Rename
❤️ F5 – Refresh
❤️ F1 – Help
❤️ F11 – Full screen
❤️ Ctrl + 1 – Single Line Spacing
❤️ Ctrl + 2 – Double Line Spacing
❤️ Ctrl + 5 – 1.5 Line Spacing
❤️ Alt + F4 – Close App
❤️ Ctrl + '-' – Delete Cell
❤️ F2 – Edit Cell
❤️ Ctrl + W – Close Tab
❤️ Ctrl + Tab – Next Tab
❤️ Alt + = – AutoSum
❤️ Ctrl + \` – Show Formulas
❤️ Ctrl + T – New Tab
❤️ Windows + D – Show Desktop
❤️ Windows + R – Run Dialog Box
❤️ Windows + L – Lock Computer
❤️ Windows + I – Open Settings
❤️ Windows + M – Minimize All
❤️ Windows + S – Search
❤️ Windows + X – Power Menu
❤️ Ctrl + Shift + L – Bullet List
❤️ Ctrl + = – Subscript
❤️ Ctrl + Shift + = – Superscript
❤️ Ctrl + Arrow Key – Jump
❤️ Ctrl + Space – Select Column
❤️ Shift + Space – Select Row
❤️ Ctrl + Shift + '+' – Insert Cell
❤️ F4 – Repeat Last Action
❤️ Ctrl + Shift + T – Reopen Closed Tab
❤️ Ctrl + Shift + Tab – Previous Tab
❤️ General Useful Keys
❤️ Ctrl + Shift + N – New Folder
❤️ Shift + Delete – Permanent Delete
❤️ Alt + Enter – Properties
❤️ Ctrl + Alt + Del – Security Options
❤️ Print Screen – Take Screenshot
❤️ Alt + Space – Window Menu
❤️ Alt + Left Arrow – Back (Browser)
❤️ Alt + Right Arrow – Forward (Browser)
❤️ Ctrl + Shift + Delete – Clear Browsing Data
❤️ Ctrl + Shift + Esc – Open Task Manager
❤️ Ctrl + Shift + N – Create New Folder
❤️ Ctrl + Shift + T – Reopen Last Closed Tab (Browser)
❤️ Ctrl + Shift + Delete – Clear Browsing Data
❤️ Alt + F4 – Close Current App or Window
❤️ Alt + Tab – Switch Between Open Apps
❤️ Ctrl + Esc – Open Start Menu
❤️ Ctrl + N – Open New Window in Browser or App
❤️ Ctrl + Shift + Esc – Open Task Manager Directly
❤️ Ctrl + Shift + > – Increase Font Size in Word
❤️ Ctrl + Shift + < – Decrease Font Size in Word
❤️ Ctrl + Enter – Insert Page Break in Word
❤️ Ctrl + Alt + Del – Open Security Options
❤️ Windows + V – Open Clipboard History
❤️ Windows + . – Open Emoji Panel
❤️ Windows + Shift + S – Take a Screenshot
❤️ Windows + P – Project to Another Screen
❤️ Windows + L – Lock Your PC
❤️ Windows + A – Open Action Center
❤️ Windows + H – Start Voice Typing
❤️ Windows + E – Open File Explorer
❤️ Windows + Shift + M – Restore Minimized
❤️ Alt + Tab – Switch Between Apps
❤️ Ctrl + Shift + Esc – Open Task Manager
❤️ Ctrl + Shift + > – Increase Font Size
❤️ Ctrl + Shift + < – Decrease Font Home

EXCEL SHORTCUTS FOR FINANCE -

❤️ CTRL Shortcuts 🌹🌹

❤️ Select entire column: Ctrl + Space
❤️ Insert a new row: `Ctrl + Shift + "+"
❤️ Delete a row: Ctrl + "-"
❤️ Insert current date: Ctrl + ;
❤️ Insert current time: Ctrl + Shift + ;
❤️ Go to beginning of worksheet: Ctrl + Home
❤️ Go to last cell with data: Ctrl + End
❤️ Copy selected cells: Ctrl + C
❤️ Paste copied cells: Ctrl + V
❤️ Cut selected cells: Ctrl + X
❤️ Undo an action: Ctrl + Z
❤️ Redo an action: Ctrl + Y
❤️ Bold text: Ctrl + B
❤️ Italic text: Ctrl + I
❤️ Underline text: Ctrl + U
❤️ Open Format Cells dialog: Ctrl + 1
❤️ Apply general format: Ctrl + Shift + ~
❤️ Apply currency format: Ctrl + Shift + $
❤️ Apply percentage format: Ctrl + Shift + %
❤️ Apply two decimals: Ctrl + Shift + !
❤️ Move to next worksheet: Ctrl + Page Down
❤️ Move to previous worksheet: Ctrl + Page Up
❤️ Open 'Go To' dialog: Ctrl + G or F5
❤️ Find specific value: Ctrl + F
❤️ Replace values: Ctrl + H
❤️ Hide selected rows: Ctrl + 9
❤️ Unhide hidden rows: `Ctrl + Shift + 9`
❤️ Hide selected columns: `Ctrl + 0`
❤️ Unhide hidden columns: `Ctrl + Shift + 0`
❤️ Enter array formula (Legacy Excel): `Ctrl + Shift + Enter`
❤️ Open Name Manager: `Ctrl + F3`
❤️ Create a table from data range: `Ctrl + T
❤️ Zoom in: `Ctrl + Mouse Wheel Up`
❤️ Zoom out: `Ctrl + Mouse Wheel Down`
❤️ Add borders to selected cells: `Ctrl + Shift + &`
❤️ Display all formulas: `Ctrl + '`
❤️ Go to next open workbook: `Ctrl + Tab`
❤️ Go to previous open workbook: `Ctrl + Shift + Tab`
❤️ Save workbook: `Ctrl + S`
❤️ Create hyperlink: `Ctrl + K`

❤️ **SHIFT Shortcuts**

❤️ Select entire row: `Shift + Space`
❤️ Move one cell left: `Shift + Tab`
❤️ Add new worksheet: `Shift + F11`
❤️ Calculate active worksheet: `Shift + F9`
❤️ Open Insert Function dialog: `Shift + F3`
❤️ Insert comment (note): `Shift + F2`
❤️ Calculate active cell only: `Shift + F9`

❤️ **ALT Shortcuts**

❤️ Autosum selected cells: `Alt + =`
❤️ Open Excel Options: `Alt + F, T`
❤️ Select visible cells only: `Alt + ;`
❤️ Open drop-down list in a cell: `Alt + Down Arrow`
❤️ Group rows or columns: `Alt + Shift + Right Arrow`
❤️ Ungroup rows or columns: `Alt + Shift + Left Arrow`
❤️ Enter line break in cell: `Alt + Enter`
❤️ Center cell contents: `Alt + H, A, C`
❤️ Remove filters: `Alt + D + F + F`
❤️ Open 'Remove Duplicates' dialog: `Alt + A + M`
❤️ Increase decimal places: `Alt + H + 0`
❤️ Decrease decimal places: `Alt + H + 9`
❤️ Wrap text in cell: `Alt + H + W`
❤️ Merge and center cells: `Alt + H + M + C`
❤️ Protect worksheet: `Alt + R + P + S`
❤️ Freeze panes: `Alt + W + F + F`
❤️ Split the window: `Alt + W + S`

❤️ **OTHER Shortcuts**

❤️ Edit active cell: `F2`
❤️ Go to beginning of row: `Home`
❤️ Move one cell right: `Tab`
❤️ Repeat last action: `F4`
❤️ Open Save As dialog: `F12`
❤️ Calculate all worksheets: `F9`

✅ MS Word के लिए Ctrl + 1 से 9 के शॉर्टकट
✨ Ctrl + 1 – Single line spacing सेट करता है
✨ Ctrl + 2 – Double line spacing सेट करता है
✨ Ctrl + 3 – 1.5 line spacing सेट करता है
✨ Ctrl + 4 – कोई default function नहीं (कस्टम यूज़ किया जा सकता है)
✨ Ctrl + 5 – Alternate 1.5 line spacing (कभी-कभी इस्तेमाल होता है)
✨ Ctrl + 6 – कोई default function नहीं
✨ Ctrl + 7 – कोई default function नहीं
✨ Ctrl + 8 – कोई default function नहीं
✨ Ctrl + 9 – कोई default function नहीं

✅ PowerPoint के लिए Ctrl + 1 से 9 के शॉर्टकट
✨ Ctrl + 1 – Normal view पर स्विच करता है
✨ Ctrl + 2 – (कोई default function नहीं)
✨ Ctrl + 3 – (कोई default function नहीं)
✨ Ctrl + 4 – (कोई default function नहीं)
✨ Ctrl + 5 – (कोई default function नहीं)
✨ Ctrl + 6 – (कोई default function नहीं)
✨ Ctrl + 7 – (कोई default function नहीं)
✨ Ctrl + 8 – (कोई default function नहीं)
✨ Ctrl + 9 – (कोई default function नहीं)

📝 Note: PowerPoint में Ctrl + 1 ही सबसे ज़्यादा commonly used है (Normal view के लिए)। बाकी keys ज़्यादातर custom shortcuts या add-ins के लिए खाली होती हैं।

✅ Essential Mac Keyboard Shortcuts :-
❤️ ⌘ + A – Select all
❤️ ⌘ + C – Copy
❤️ ⌘ + X – Cut
❤️ ⌘ + V – Paste
❤️ ⌘ + Z – Undo
❤️ ⌘ + Shift + Z – Redo
❤️ ⌘ + S – Save
❤️ ⌘ + P – Print
❤️ ⌘ + Q – Quit the current app
❤️ ⌘ + W – Close the current window
❤️ ⌘ + Option + Esc – Force quit an app
❤️ ⌘ + Space – Open Spotlight search
❤️ ⌘ + Tab – Switch between open apps
❤️ ⌘ + Shift + 3 – Take screenshot of entire screen
❤️ ⌘ + Shift + 4 – Take screenshot of selected area
❤️ ⌘ + Shift + 5 – Open screenshot & screen recording options
❤️ ⌘ + N – New window/document (depending on app)
❤️ ⌘ + T – New tab (in Finder or browsers)
❤️ ⌘ + , (comma) – Open Preferences of current app
❤️ ⌘ + Delete – Move selected item to Trash

✅ Mac Shortcuts: ⌘ Command + 1 to 9
❤️ ⌘ + 1 – Show Column View in Finder
❤️ ⌘ + 2 – Show List View in Finder
❤️ ⌘ + 3 – Show Icon View in Finder
❤️ ⌘ + 4 – Show Gallery View in Finder
❤️ ⌘ + 5 – Open Top Sites or Start Page in Safari
❤️ ⌘ + 6 – Toggle the Sidebar in Safari
❤️ ⌘ + 7 – Open Reading List in Safari
❤️ ⌘ + 8 – Show Mail Activity in the Mail app
❤️ ⌘ + 9 – Go to the last open tab in Safari

19/08/2025

The compressive strength test of concrete is one of the most important tests in civil engineering. It measures how much load a concrete specimen can withstand before failing in compression. Here’s a clear breakdown:

---

🔹 Purpose

To determine the compressive strength of hardened concrete.

To check whether the concrete mix meets the design requirements.

To ensure quality control in construction.

---

🔹 Test Specimens

Cube specimens (usually 150 × 150 × 150 mm) – common in Europe & Asia.

Cylinder specimens (usually 150 mm diameter × 300 mm height) – common in the U.S. and some other regions.

---

🔹 Equipment Needed

Concrete cube/cylinder molds

Compression testing machine (CTM)

Tamping rod or vi****or for compaction

Curing tank or moist curing room

---

🔹 Procedure

1. Preparation of Specimens

Fresh concrete is poured into the mold in 2–3 layers.

Each layer is compacted with a tamping rod or vibration.

The surface is leveled and finished.

2. Curing

Specimens are kept in a curing tank or moist room at ~27°C.

Standard curing period: 7 days, 14 days, and 28 days (most important is 28 days).

3. Testing

Remove specimen from curing and wipe excess water.

Place in compression testing machine, centered properly.

Apply load gradually at a rate of 140 kg/cm² per minute (or ~0.6 MPa/s) until failure.

4. Result

Record the maximum load at failure (P).

Calculate compressive strength:

fc = {P}/{A}

where:

fc = compressive strength (N/mm² or MPa)

P = maximum load applied (N)

A = cross-sectional area of specimen (mm²)

---

🔹 Typical Values

Ordinary concrete: 20–40 MPa (N/mm²)

High-strength concrete: 60–100 MPa or more

---

🔹 Notes

Strength at 7 days is about 65–70% of 28-day strength.

Proper curing is crucial to achieve target strength.

Failure usually occurs as vertical cracking and crushing.

19/08/2025

Legs in a stirrup

19/08/2025

What is the correct bending moment diagram??

16/04/2025

How to Transition from Site Engineer to Planning Engineer?

Before diving into the solution, let's understand the problem first

Most Site Engineers begin their journey with their first degree.

After 1-2 years on-site, many aspire to move into the Planning domain.

However, due to a field-centric role, they lack exposure to digital tools & planning methodologies.

Concepts like Cash Flow, Project Schedules, Monitoring & Controlling often feel abstract.

This skill gap makes transitioning seem difficult - but it's 100% achievable with the right steps.

Practical Steps to Enter the Planning Field

1 Build Strong Theoretical Knowledge

Even with just a degree background, dedicate 1 hour daily to reading about Construction Planning & Management.

Books, articles,Social media posts, every bit helps

connect your site experience to planning logic.

2. Get Comfortable with Computers

The future is digital and Ai-driven.

Start simple: practice typing, learn MS Office, and gradually explore tools like Excel, MSP, and Primavera.

Small consistent efforts will give you a major edge.

3 Practice Job Shadowing

If possible, shadow a Planning Engineer in your team for an hour or two weekly. Watch how they plan, monitor, and report.

This is one of the quickest ways to understand practical planning workflows.

Pro Tip: Turn Your Site into a Learning Lab

As a Site Engineer, you're already in the field - so use it smartly:Maintain a Daily Logbook with:

Date & Time

Activity Name

Resources & Duration

Materials Used

Productivity Observations

These insights will help you understand resource efficiency, daily planning, and productivity analysis - all crucial for a Planning Engineer.

Remember: Progress Takes Time.

01/01/2025

Wishing all the beautiful friends, family and sir, loved ones present here a very Happy New Year 2025, may this year bring you lots of happiness and great success, health and lots of love. Cheer Fam 🥂

12/12/2024

Parts.

CIVIL Engineering

06/01/2026

26/12/2025

26/12/2025

23/12/2025

08/09/2025

19/08/2025

19/08/2025

19/08/2025

16/04/2025

01/01/2025

12/12/2024

Address

Opening Hours

Website

Alerts

Shortcuts

Share

Category

Monday	9am - 5pm
Tuesday	9am - 5pm
Wednesday	9am - 5pm
Thursday	9am - 5pm
Friday	9am - 5pm
Saturday	9am - 5pm