Do You Know the Ten Essences of Pile Foundation Design?
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…
Summary of Key Points for Foundation Pit Trench Inspection, These Six Points Are Essential!
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;…
Common Pile Foundation Construction Techniques for Highway Bridges Are Listed for You Step by Step!
Classification of Piles 1. Score according to the number of piles Single pile: only one pile The row of piles: a row of multiple piles Pile group: multiple rows of…
(Steel cage production)
You Will Understand the Construction of Punched Cast-in-Place Piles After Reading It!
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…
Karst Cave Pile Foundation Treatment Plan and Construction Key Points!
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…
How to Deal with Broken Piles or Partial Piles?
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…
Regarding Pile Foundations, Whether Surveying, Designing or Constructing, You Must Know These Things
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…
Complete Knowledge of Rotary Drilling Rig Troubleshooting and Maintenance
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…
After the Construction Bored Piles Are Completed, What Should Be Done if the Length Is Not Enough?
After the bored piles are poured into piles, occasionally the pile length is shorter than the designed length. How do you deal with this situation? The problem encountered by this…
What Should You Do if You Encounter a Cave During Pile Foundation Construction?
The function of the pile is to transfer the load of the upper building to the deep soil (rock) layer with a strong bearing capacity or to compact the weak…
Steel Sheet Pile Cofferdam Construction Method
Steel sheet pile cofferdams are suitable for basic projects such as sandy soil, gravel soil, semi-dry clay, weathered rock formations, etc. with water depths above 4m and thick riverbed covering…
Summary of the Key Points of the Entire Construction Process of Bored Piles!
Pile Foundation Classification and Construction Principles 1. Classification According to Load-Bearing Piles ① Friction type pile: Friction pile: Under the limited state of bearing capacity, the vertical load on the…
