10 Common Quality Problems in Foundation Projects, Nip Them in the Bud!
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,…
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…
Read the Soil Nail Wall Construction Technology in One Article!
Soil nail support is a new type of retaining structure developed in recent years for soil excavation and slope stabilization. It has been rapidly popularized and applied because it is…
Foundation Drilling
The Four Major Construction Techniques of Rotary Drilling Rigs Have Been Summarized for You!
The four major construction technologies are dry hole forming technology, slurry static pressure technology, casing technology, and concrete wall-making technology. The rotary drilling rig is a construction machine suitable for…
Bored Pile
Common Quality Problems and Prevention Measures for Bored Pile Construction!
Bored cast-in-place piles have the advantages of low construction noise, and low vibration, pile length and diameter can be freely changed according to design requirements, pile tips can…
10 Major Reasons and 9 Major Control Measures Affecting the Quality of Bored Piles
Bored cast-in-place piles have the advantages of low construction noise, and low vibration, pile length and diameter can be freely changed according to design requirements, pile tips can reliably enter…
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