The steel casing wall protection is used during the hole-forming process of the cast-in-place piles drilled by the full-casing and full-rotation drilling rig. It has the characteristics of good pile…
The safety and stability of the water-stop curtain have a significant impact on surrounding safety. In actual construction, loopholes may occur due to various factors such as scheme design, geological…
Earthworks 1. The excavation slope is too steep 1.1. Phenomenon: During earthwork excavation, the slope of the foundation pit and trench after excavation is often steeper than the slope designed…
How to Prevent and Control Bored Piles from Deflecting? 1. Quality problems and phenomena 1) The hole is not vertical after being formed, and the deviation value is greater than…
About large diameter piles (d≥800mm) Size effect of extreme side resistance and end resistance. 1. Size effect of large-diameter pile tip resistance. The main reason is that the soil at…
Information required for tank inspection (1) Geotechnical engineering survey report in the detailed survey stage; (2) Structural drawings in the construction drawing stage with basic plan and general structural description;…
Before Talking About the Construction of Punched Piles, Let’s Talk About the Hole Forming of the Mud Wall Protection Wall. 1. Functions of mud: ①Prevent hole wall collapse ⑴ The…
To ensure that there is no slurry leakage during the construction of bored piles in karst development areas, or that there is no slurry leakage but no hole collapse, and…
Common problem one: soil (gray soil) piles are not dense and broken Phenomenon: The backfilling of the pile holes is uneven, the ramming is not dense, the density is uneven,…
Building pile foundation projects have many construction procedures and high process requirements. Many factors affect the quality of pile foundations. Generally, they include insufficient detailed and accurate engineering geological survey…
Building Foundation Design Specification 1. The center distance of friction piles should not be less than 3 times the diameter of the pile body; the center distance of the expanded…
Insufficient Torque of Power Head of Rotary Drilling Rig Fault phenomenon: The power head torque of the rotary drilling rig is insufficient during drilling construction, the forward and reverse rotation…
Kaizer Piling is a leading manufacturer of high-quality foundation drilling tools, specializing in the production of Kelly Bars, Drilling Tools, and Casings. With a commitment to innovation and precision engineering, we provide customized solutions tailored to meet the diverse needs of global projects and rotary drilling rigs.
