一种原因可能是语言表达习惯的不同，不同语言中有不同的称呼，例如砌体中的构造柱，百度百科中翻译为 structural concrete column，国内有的设计院也会翻译成 construction column，这样的英语老外比较难理解，他们经常会简单的称作 cast in-situ tie-column。 另外一种可能的原因是国内外的工程做法不同，国外常用的一种结构、构件、或者设计方法，在国内没有这种做法，自然就很难理解其含义。 例如美标或欧标抗震设计中的 capacity design，本质上是一种延性设计，因为 …

2024年3月7日 · In general, gravel is the most ideal base material for concrete slabs. While there are other alternatives, this article explains what makes crushed gravel the most ideal material for concrete slabs. We also guide you through the process of setting up gravel bases and why it is necessary to do so.

2018年7月31日 · Guide to subgrades and subbases, which support concrete slabs. Info on how to properly compact the subgrade and gravel base before placing concrete.

Discover the vital role of the concrete slab base in construction as we unveil expert insights for ensuring stability. Learn about proper grading, material selection, and mixing techniques to create a strong foundation. From subgrade prep to avoiding common pitfalls, this article guides you on reducing settlement and cracking risks.

2023年10月23日 · Here are some great tips on how to prepare the site for a pour. A Good Base Is Everything! Concrete will crack and crumble if it’s not poured over a solid, stable base.

Subgrade and subbase are the foundation of a concrete slab and play critical role in its performance. According to the ACI Code, the subgrade is a compacted and improved natural soil or brought infill whereas subbase is a layer of gravel placed on the top of the subgrade.

This Tech Brief presents an overview of best practices for the design and construction of bases and subbases for concrete pavements and its effects on performance. The need and use of bases and subbases for pavements has been well known for thousands of years.

Concrete slab bases serve as the unsung heroes of construction. They provide a solid foundation for various structures—whether it’s your dream garage or a charming patio. A well-poured slab can carry a load of around 3,000 to 4,000 psi, meaning it’s tougher than your mother-in-law’s famous fruitcake.

5 天之前 · Slabs distribute loads evenly and are a go-to in residential and commercial builds. How Is It Made? Making a concrete slab is straightforward: Prepare the Site: Clear the area, remove debris, and level the ground. Add a gravel base (4-8 inches) for drainage if needed. Set Formwork: Build wooden or metal frames to define the slab’s shape and size.

2022年8月3日 · What is the Base of a Concrete Slab? The base in concrete construction is the layer between the sub-grade (existing soil) and the concrete slab. The base (usually a crushed stone material) acts as a support between the dirt and slab, and ultimately, reduces cracking of …