Article

Petra friends, have you ever passed a vast body of water such as Jatiluhur or Gajah Mungkur and wondered what to call it? “What a huge dam!” or “What a beautiful reservoir!” The two terms, Dam and Reservoir, are often used interchangeably as if they mean the same thing. In civil engineering and water-resource management, […]

Hello, Petra friends! Have you ever seen a newly cast road or warehouse floor develop fine hairline cracks only a few days after drying? The cement mix was correct and the reinforcement was adequate, so why was the result less than optimal? Often, the problem is not the concrete mix but the subsequent process: Concrete […]

Hello, Petra friends! Have you ever watched a football or mini soccermatch when heavy rain suddenly began? Within minutes, the field turned into a fishpond. It filled with mud, the ball would not roll, and the match had to stop. If you own a field, are a contractor, or manage a sports facility, a “flooded […]

Hello, Petra friends! Have you ever seen a slope beside a toll road or residential area suddenly collapse during the rainy season? Or are you wondering how to secure sloping ground on your construction project from rainwater erosion? If so, you have found the right article. Soil stability, or slope stability, is an everyday issue […]

Hello, Petra friends! If you live in Indonesia, you are surely familiar with roadside slopes along toll roads or riverbanks stacked with wire baskets filled with large stones. Yes, these are called bronjong, known internationally as gabions. They may look simple—just wire and stone—but do not be fooled. This material is a “hero” in civil […]

Hello, Petra friends! Have you ever been unsure how to handle a project requiring an extremely tight containment or water-retention system? It could be a landfill, a mine waste pond, or simply an attractive artificial lake in a residential development. The main challenge is always the same: “How can we stop this water or waste […]