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…
Construction process Construction preparation → Three connections and one leveling on site → Preparation of equipment, tools, and materials (pre-purchase of steel sheet piles, on-site inspection of steel sheet piles,…
SMW is the abbreviation of Soil Mixing Wall. This construction method was introduced in Japan in 1976. It is a patent owned and developed by a medium-sized Japanese enterprise, Seishin…
(I) Preparation work 1. Before construction, the engineering geological data and hydrogeological data should be mastered, and the quality inspection reports of various raw materials and products used should be…
General 1. "Code for Design of Building Foundations" 1. The center distance of friction piles should not be less than 3 times the diameter of the pile body; the center…
The high-pressure jet grouting method uses a drilling rig to drill a grouting pipe with a nozzle into a predetermined position in the soil layer and then uses high-pressure equipment…
1. Requirements for static pile construction 1. Compared with hammering, static pile driving has the advantages of no noise, no vibration, no pollution, and safety. However, in saturated soft clay…
This article describes the basic concepts, origin and development, advantages and disadvantages, design points, construction points, engineering applications, research progress, and problem analysis of the SMW method. 2. Origin and…
The trenching process is the most important in the construction of underground continuous walls, which often accounts for more than half of the trench construction period. Therefore, doing a good…
0 Gravel pile is a kind of loose pile. It is made of gravel (pebbles) without bonding strength as the main material. After drilling holes in the soft foundation by…