CMAPx Aggregates Sdn Bhd

20/03/2026

Wishing all our clients, suppliers, business associates and staff a very joyous Hari Raya 2026.

16/03/2026

We are pleased to inform that our Asphalt Plant has been re-certified by Jabatan Kerja Raya (JKR) as an approved plant for production and supply of asphalt for JKR projects.
Our appreciation goes to the officers from Cawangan Senggara Fasiliti Jalan, JKR and our own staff for this achievement. Syabas to all🙏🙏🙏

02/03/2026

🛣️ Common Road Defects Every Civil Engineer Should Know
Road defects affect safety, ride quality, and pavement life. Knowing how to identify them helps in maintenance planning and failure prevention.
1️⃣ Cracking
Description: Breaks or fractures in the pavement surface.
Types:
Alligator (Fatigue) Cracking: Interconnected cracks resembling alligator skin; caused by repeated traffic loads and weak base.
Longitudinal Cracking: Cracks parallel to the road centerline; often due to poor joint construction or shrinkage.
Transverse Cracking: Cracks perpendicular to the road; caused by temperature changes.
Block Cracking: Large rectangular cracks due to asphalt aging and shrinkage.
Main Causes:
Heavy traffic, temperature variation, poor subgrade support.
2️⃣ Potholes
Description: Bowl-shaped holes in the pavement.
Causes:
Water infiltration → weakens base → traffic removes loose material.
Risks:
Vehicle damage, accidents, rapid pavement deterioration.
3️⃣ Rutting
Description: Longitudinal depressions in wheel paths.
Causes:
Weak pavement layers, heavy axle loads, poor compaction.
Effect:
Water accumulation → hydroplaning risk.
4️⃣ Bleeding (Flushing)
Description: Excess bitumen rises to the surface, creating a shiny, sticky surface.
Causes:
Too much asphalt binder, high temperatures.
Effect:
Slippery road surface, reduced skid resistance.
5️⃣ Corrugation (Washboarding)
Description: Series of ridges and valleys across the road.
Causes:
Traffic braking/acceleration, unstable base.
Common Areas:
Intersections, bus stops.
6️⃣ Depression & Settlement
Description: Localized low areas in pavement.
Causes:
Weak subgrade, poor compaction, underground utility failure.
7️⃣ Edge Cracking
Description: Cracks along pavement edges.
Causes:
Poor shoulder support, drainage problems.
8️⃣ Ravelling
Description: Loss of aggregate from pavement surface.
Causes:
Poor binder quality, aging, weathering.
Effect:
Rough surface, reduced pavement strength.
9️⃣ Shoving
Description: Pavement pushed sideways, forming waves.
Causes:
Heavy braking, weak asphalt mix.
🔟 Stripping
Description: Loss of bond between asphalt and aggregate due to water.
Result:
Rapid pavement failure.

15/02/2026

May we wish all our customers, suppliers and associates a very Happy and Prosperous Chinese New Year.
Heng ah, Ong ah, Huat ah
Gongxi….. Gongxi…….

From Management & Staff

11/02/2026

27-28th January 2026
CMAPx is pleased to join the MBAM Technical Visit to Major Construction Projects in Penang recently

28/01/2026

26/01/2026

JKR Audit of Asphalt Plant for Year 2026
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Our thanks to the Team from JKR Penang HQ, JKR Seberang Perai Selatan and our QC/QA Department for completing the audit recently👍👍👍

08/01/2026

New Year 2026:-
New uniform
New commitment
New drive….
….. to do better, to progress, to suceed.
All the best for a better 2026