Civil Engineer E.G.C (2026)

10/05/2026

Compaction of Geomaterial

When we talk about **compaction**, we are basically talking about how soil particles become more closely packed together.
A geomaterial is made of **solid particles, water, and air**. The arrangement of these particles controls how much empty space exists between them, which we call the **void ratio**.
In a loose arrangement, the particles leave larger voids between them. This means a higher void ratio and lower density.
When compaction is applied through mechanical force or vibration, the particles move into a tighter arrangement. As a result, the voids decrease and the density increases.
This simple idea is one of the most important concepts in geotechnical engineering.
Good compaction can help reduce settlement, lower permeability, improve stability, and increase bearing capacity.
**The key idea is simple:**
The tighter the particle arrangement, the lower the void ratio and the higher the density.
Eng. Karim Khaled

+201026088521
+966548391312

27/03/2026

نقوم بتقديم دراسة سند جوانب الحفر
نطاق دراسة سند جوانب الحفر:
- مراجعة تقرير التربة وتحديد طبقات التربة ومنسوب المياه الجوفية.
- اختيار نظام السند المناسب حسب ظروف الموقع.
- التحليل الجيوتقنية والإنشائي لسند جوانب الحفر (استقرار – تشوهات – قوى داخلية).
- تصميم عناصر التدعيم (Struts / Anchors) وتحديد أماكنها وأحمالها.
- دراسة تأثير الحفر على المنشآت المجاورة والهبوط المتوقع.
- التحقق من مراحل التنفيذ (Staged Construction) خاصة في الحفريات العميقة.
- إعداد تقرير تصميم معتمد مدعم بالحسابات والرسومات.
- البرامج المستخدمة
PLAXIS 2D / 3D
- استخدام الأكواد المعتمدةSBC – BS – Eurocode
المخرجات:
- تقرير تصميم سند جوانب الحفر
- مقاطع توضيحية لنظام السند
Eng. Karim Khaled
+966549376373

15/03/2026

Laterally Loaded Pile – Soil–Structure Interaction Concept

A laterally loaded pile is commonly analyzed using the Winkler soil model, where the surrounding soil is represented by a series of independent lateral springs distributed along the length of the pile.
In this approach, the pile behaves as a beam embedded in an elastic medium, and the soil reaction at any depth is proportional to the lateral displacement of the pile. The soil resistance can be expressed as: p = k*y

Where:
• p = soil reaction per unit length of the pile
• y = lateral displacement of the pile
• k = modulus of subgrade reaction (soil stiffness)

When a horizontal load (Pt) and/or moment (Mt) is applied at the pile head, the pile deflects laterally and develops a curved deformation shape along its depth. As the pile moves, the surrounding soil mobilizes resistance that increases with displacement, acting opposite to the direction of movement.
The pile–soil system can therefore be modeled as a beam on elastic foundation, governed by the differential equation: EI(d4y/dx4) +K*y=0.0

Where:
• E = Young’s modulus of the pile material
• I = moment of inertia of the pile section
• EI = flexural rigidity of the pile
• x = depth along the pile

This framework allows engineers to estimate key design parameters such as lateral deflection, bending moment, shear force, and soil reaction along the pile. It forms the theoretical basis for more advanced design methods such as p–y curve analysis, which is widely used in the design of laterally loaded piles for offshore structures, bridges, and deep foundations.

Eng. Karim Khaled

+201026088521
+966548391312

13/02/2026

تقريبا كنت بدور علي كنز وفرحان اني لقيته😅😅

08/02/2026

Post No. 1:
Factors to Consider in Foundation Design:
A- Footing Depth and Spacing:
When constructing a new footing adjacent to an existing foundation, maintaining adequate spacing is essential to prevent interaction between stress zones and to preserve the stability of the existing structure.
A widely accepted preliminary criterion is based on a 45° influence line extending from the bottom edge of the deeper footing. To avoid interference, the horizontal spacing m between the two footings should satisfy the following condition: m > z
where z is the vertical difference between the founding levels of the existing and new footings.
This criterion ensures that excavation for the new footing does not compromise the soil wedge providing lateral support to the existing footing. If this condition is violated, the excavation may result in a loss of lateral confinement, leading to soil movement toward the excavation and possible settlement or distress of the existing foundation.
Note: here we didn’t talk about deep excavation because of this case we will use suitable shoring system.
The same principle applies regardless of whether the new footing is deeper or shallower than the existing one; only the designation of “existing” and “new” footings is interchanged accordingly.
This rule serves as a practical preliminary guideline and should be supplemented by detailed geotechnical evaluation and compliance with applicable building codes for final design.
Eng. Karim Khaled

+201026088521
+966548391312

02/02/2026

Approximate settlement reduction for ground reinforced with stone columns After Greenwood and Thomson (1984)
Stone columns are widely used as a ground improvement technique to reduce settlement in soft cohesive soils. One practical way to estimate the effectiveness of stone columns is through empirical settlement reduction charts, such as the one proposed by Greenwood and Thomson (1984).
The method relates the settlement reduction ratio (R = ΔH / ΔH′) to the area replacement ratio (A / Ac), where A is the tributary area supported by a column and Ac is the cross-sectional area of the stone column. The chart also accounts for soil strength through the undrained shear strength (su), making it suitable for preliminary assessment in soft clays.
Although this approach is approximate and intended for conceptual or feasibility-level design, it provides valuable insight into how column spacing, diameter, and soil strength influence post-improvement settlement. For detailed design, more rigorous methods such as Priebe’s method or numerical modeling (e.g., PLAXIS) are recommended.
Eng. Karim Khaled

+201026088521
+966548391312

31/01/2026

نقوم بتقديم دراسة سند جوانب الحفر

نطاق دراسة سند جوانب الحفر:

- مراجعة تقرير التربة وتحديد طبقات التربة ومنسوب المياه الجوفية.

- اختيار نظام السند المناسب حسب ظروف الموقع، مثل:

- Sheet Piles

- Secant / Contiguous Piles

- Diaphragm Walls

- Soldier Piles & Lagging

- Soil Nailing

- التحليل الجيوتقنية والإنشائي لسند جوانب الحفر (استقرار – تشوهات – قوى داخلية).

- تصميم عناصر التدعيم (Struts / Anchors) وتحديد أماكنها وأحمالها.

- دراسة تأثير الحفر على المنشآت المجاورة والهبوط المتوقع.

- التحقق من مراحل التنفيذ (Staged Construction) خاصة في الحفريات العميقة.

- إعداد تقرير تصميم معتمد مدعم بالحسابات والرسومات.

- البرامج المستخدمة

PLAXIS 2D / 3D

- استخدام الأكواد المعتمدةSBC – BS – Eurocode

المخرجات:

- تقرير تصميم سند جوانب الحفر

- مقاطع توضيحية لنظام السند

Karim Khaled

+966548391312

30/01/2026

Geotechnical Engineering Diploma (GED) “The Masterpiece”
📘 أكثر من 150 ساعه شرح و 2000 صفحة (كتاب الدبلومه)!! بأسلوب فريد وسلاسة في الشرح بنقدم لك ال‏ GED (Geotechnical Engineering Diploma) مجال هندسه التربة والاساسات (الهندسة الجيوتقنية) من المجالات المطلوبة في الوطن العربي! مهندس مدني وحابب تدخل المجال أو فعلا دخلت المجال وحابب تطور من نفسك ومهاراتك!! الدبلومه دي هي وسيله تقدر تدخلك وتطور من نفسك في مجال الهندسة الجيوتقنية بكل سهوله
⭐ Information:
- Name: Geotechnical Engineering Diploma (GED) “The Masterpiece”
- Software used: (PLAXIS 2D - PLAXIS 3D - Flac 2D - Geo5 - GeoStudio - GGU Retain - ASDIP Foundation - ASDIP Retain - DeepEX - Wallap - GMS Mudflow - Settle3D - Simple Slope - Soil Class - GeoGraphic - NovoSPT - Egyptian Concrete Design Software (CDP) - AutoCAD – Excel)
- Language: Arabic
- Course Type: Recorded Videos + Used Files
- Fees: 250 USD
⭐ Content: The content of the diploma is presented in 7 chapters:
- Ch01: Grid Leveling Works
- Ch02: Site Investigation
- Ch03: Geotechnical Borehole and Soil Report
- Ch04: Shallow Foundation
- Ch05: Deep Foundation
- Ch06: Deep Excavations - The Difference Between Shoring Systems and Retaining Walls
- Ch07: Advanced Topics in Geotechnical Engineering (21 topics)
🔹 تعالى معايا أقولك إحنا اكلمنا عن إيه في Chapter 7
1- Soil Bearing Capacity
2- Soil Stress
3- Soil Settlement
4- Soil Compaction
5- Shear Strength of Soil
6- Slope Stability
7- Soil Hydraulic
8- Problematic Soils
9- Soil Improvement
10- Design of Dewatering Construction Systems
11- Lateral Earth Pressure
12- Mechanically Stabilized Earth Walls (MSE Walls)
13- Soil Dynamics
14- Soil Liquefaction
15- Machine Foundation
16- Geothermal Energy Piles
17- Embankment
18- Dams
19- Constitutive Models
20- Introduction to Tunnels
21- Introduction to Geotechnical Software
⭐ ركز معايا يا هندسه:
- لينك فيديو المحتوى التفصيلي والتفاصيل الخاصة بكل شابتر هتلاقيها في الكومنت (البوست الخاص بالصفحة).
- تواصل معانا عشان نبعتلك ال‏ PDF بتاع المحتوى تطلع عليه بنفسك على الواتساب.
- الدبلومه عباره عن فيديوهات مسجله تجاوزت ال‏ 150 ساعة (المتدربين اللي اشتركوا في كورساتنا عارفين ان المحتوى كمان بيتحدث وبيكون مجاني لجميع المشتركين).
- هيتم اضافه المتدرب على جروب للمتابعة والاستفسارات وكمان لو فيه أي تحديث بيكون مجاني مدي الحياة
- بتستلم مرجع الدبلومه ما يزيد عن ال‏ 2000 صفحه.
- الأكواد المستخدمة على سبيل المثال لا الحصر (الكود المصري وكود دبي وكود السعوديه والكود البريطاني والفيدرالي واليورو كود ...الخ).
- الدبلومه بتناقش التصميم مانيوال والتصميم باستخدام البرامج وال‏ Shope Drawing و ال‏ تنفيذ العناصر الجيوتقنية من الناحية الإنشائية ( دبلومه متكاملة الاركان ) وتشوف الكلام ده موضح في فيديو المحتوى.
- متاح تشتري الدبلومه من أي مكان بالعالم فقط تواصل معانا وسنعطيك طريقه الدفع المناسبة.
⭐ Please Note That:
- Our Diploma is recorded in the Arabic language, but our team can provide any topic in the English language for anyone asking through recorded videos or live meetings.
⭐ Details and Payment:
Please contact us directly via WhatsApp:
📱 +201026088521
📱 +966548391312
We’ll be happy to assist you with course details, registration, and the payment process.

28/01/2026

Liquefaction Assessment Using CPT

20/01/2026

Soil–Structure Interaction (SSI) Study | High-Rise Tower

SSI analysis for a 53-storey tower project located in the MENA Region, addressing complex subsurface conditions and their impact on structural performance.

project details:
• Foundation system: Piled Raft
• Pile diameter: 1.2 m
• Pile length: 45 m
• Raft thickness: 2.7 m
• Number of floors: 53 floors

Scope & challenges:
• Modeling soil–foundation–structure interaction to capture realistic load transfer mechanisms.
• Assessing settlement behavior and differential settlement under high-rise loading.
• Evaluating pile–raft contribution ratio under challenging soil conditions.
• Ensuring serviceability and structural safety through advanced numerical modeling.

This study highlights the importance of integrated geotechnical and structural analysis in high-rise projects, especially in regions with complex soil profiles.

Eng. Karim Khaled

+201026088521
+966548391312

Civil Engineer E.G.C

10/05/2026

27/03/2026

15/03/2026

13/02/2026

08/02/2026

02/02/2026

31/01/2026

30/01/2026

28/01/2026

20/01/2026

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