CFG Piles and Common Quality Issues in Construction
What Are CFG Piles? CFG (Cement Fly-ash Gravel) piles are a type of composite foundation pile with a strength grade of C20, achieved by adjusting cement content and mix ratios.…
What Are CFG Piles? CFG (Cement Fly-ash Gravel) piles are a type of composite foundation pile with a strength grade of C20, achieved by adjusting cement content and mix ratios.…
During the construction of bored piles, the uplift of rebar cages frequently occurs, ranging from minor displacements of a few centimeters to severe cases where the entire cage floats several…
Why Is Cleaning Bored Piles Necessary? Cleaning bored piles (also known as cleaning the borehole) is a crucial step in pile foundation construction. If the sediment at the bottom of…
Rotary drilling rigs can be divided into four drilling methods according to geological conditions: cutting, crushing, turning, and grinding. 1. Cutting type: Cutting drilling uses bucket teeth, double-bottom sand buckets,…
Nowadays, the construction of large buildings is becoming more and more common. The increase in the scale of buildings has higher and higher requirements for the quality and safety of…
Today, we will compare rotary drilling rigs with commonly used impact and rotary drilling rigs in the past, and give some suggestions on how to choose hole-forming machinery in pile…
Introduction to CFG Piles The Chinese name of CFG (Cement fly ash gravel) pile is cement fly ash gravel pile. It is a high bonding strength formed by uniformly mixing…
Scope of Application 1. Scope of application of hammered prestressed pipe piles Hammered prestressed pipe piles are suitable for all kinds of cohesive soils and silt soils. When it is…
Before constructing a building, use temporary loading (sand, soil, other building materials, goods, etc.) to apply load to the foundation and give it a certain preloading period. After the foundation…
1. What is a lime-soil compaction pile? 1. Lime soil column Using the lateral extrusion during the hole-forming process, the soil in the pile hole is squeezed into the surroundings,…
As a foundation pit enclosure structure, the underground diaphragm wall is designed and calculated mainly based on three major aspects: strength, deformation, and stability. Strength mainly refers to the horizontal…
There are many types of pile foundations with large differences in construction techniques. In addition, the ground changes are complex. During the construction process, the pile body may have defects…