DSE

27/05/2026

Road Construction (Step by Step)
from 1 to 10
1. Survey Work

Site leveling and alignment

Using total station / auto level

Setting center line and benchmarks

2. Clearing and Grubbing

Remove trees, grass, debris, topsoil

3. Earthwork (Cut & Fill)

Cutting high areas

Filling low areas

Compaction of soil

4. Subgrade Preparation

Final shaping of soil layer

Proper compaction (95% MDD)

Field density testing

5. Sub-base Layer

GSB (Granular Sub Base)

Compacted in layers

6. Base Course

WMM (Wet Mix Macadam) or crushed aggregate

High strength layer

7. Prime Coat

Applied on base layer for binding

8. Asphalt Layers

Binder course

Wearing course (final smooth surface)

9. Finishing (Smooth Road Surface)

Compaction with roller

Final leveling and quality check

🚧

27/05/2026

You always confuse between convex and concave?⁉️
#طرق

27/05/2026

Structural Analysis Challenge: Calculate The Maximum Bending Moment For A Cantilever Beam Supporting Both A Uniformly Distributed Load W And A Point Load P At Its Free End. The Maximum Bending Moment Occurs At The Fixed Support. It Is Calculated By Summing The Moments From Both Loads: BM = WL2/2 + PL. This Fundamental Concept Helps Engineers Design Safe Support Systems.

Related hashtag :

26/05/2026

🏗️ Structural roofing projects require precise measurements, roof slope calculations, and crane operations. 📊

26/05/2026

Highway Superelevation Transition & Road Curve Design

Superelevation is the transverse slope provided on horizontal road curves to reduce the effect of centrifugal force on moving vehicles. It improves vehicle stability, driving comfort, and road safety by gradually transitioning the pavement from a normal crown section to a fully banked curve.

Related Hashtag :

26/05/2026

Beam & Slab Design Formulas — the quick-reference sheet every civil engineering student/site engineer should keep saved.

This part covers: ✔️ Bending Moment
✔️ Shear Force
✔️ Slab Thickness
✔️ T-Beam Design
✔️ Deflection Check
✔️ Two-Way Slab Moments
✔️ Moment of Resistance
…and more.

26/05/2026

Fly Levelling Survey Method

Fly levelling is a surveying method used to determine reduced levels (RL) between distant points quickly and accurately. It is commonly used when the ground is uneven or the distance is long.

Main Process:

1. Take Back Sight (BS) on a known point.

2. Calculate Height of Instrument (HI).

3. Take Fore Sight (FS) on turning point.

4. Shift instrument and repeat process.

Important Formula:

HI = RL + BS

RL = HI - FS

Uses:

Road & railway survey

Canal construction

Building layout work

Long-distance levelling

Advantages:

Fast and accurate method

Suitable for uneven ground

Reduces cumulative error

26/05/2026

Professional Technical Showcase

​Discover The JIC Юла-Т26-14 Spiral Staircase, An Engineered Space-Saving Solution Designed For Modern Architecture. With A Total Rise Height Of 1800 mm And A Compact Diameter Of 1800 mm, This Counter-Clockwise Left-Turn Configuration Efficiently Optimizes Indoor Space. Featuring 14 Steps Constructed From Durable Steel And Elegant Wood, The Approximate Riser Height Calculates Closely To 128.57 mm Per Step. This Design Offers An Elegant Blend Of Strength And Functionality Ideal For Lofts, Residential Homes, And Commercial Buildings.

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26/05/2026

26/05/2026

to calculate number of bricks in a wall ⁉️

26/05/2026

BASIC KNOWLEDGE FOR CIVIL SITE