Introduction Pile foundations are a common foundation type in bridge engineering, serving as deep foundation solutions in areas with poor soil conditions by transferring loads to firmer soil layers or…
Introduction In foundation construction using rotary drilling, drill pipe jamming is a common issue that can lead to significant downtime and operational challenges. This article analyzes the causes of drill…
Introduction This construction technique utilizes simple equipment with strong versatility, capable of extracting precast square piles, driven cast-in-place piles, prestressed pipe piles, and certain bored piles. It offers rapid operation,…
Introduction The secant pile retaining wall is a deep excavation support structure that emerged in China in the 1990s. It primarily utilizes full casing drilling rigs (Benoto rigs) to form…
Technical Requirements for Construction The case project's waterproof curtain utilizes cement deep mixing piles with a triple-head Ø850@600 cross-section configuration. The construction method employs the "two-jet, two-mix" technique with overlapping…
Introduction Bored cast-in-place piles are hidden structures embedded in strata, serving as bridge foundations that transfer loads through friction between the pile's outer wall and surrounding soil or via the…
In engineering projects, rotary drilling rigs often encounter the following 5 most common failures. Here, we summarise the causes and troubleshooting methods for these issues. 1. Insufficient Torque in Rotary…
Introduction to Sediment Challenges in Rotary Drilling Piles Rotary drilling rigs offer high automation levels and strong adaptability, yet significant quality issues persist in pile construction due to varying equipment…
Introduction The fuel consumption of rotary drilling rigs during construction is influenced by various factors such as geological structure, drilling tools used, and operational methods. By mastering certain techniques in…
How Does Low Pulse or Filter Frequency Affect Shallow Zone and Pile Impedance Analysis? When impedance changes occur in the shallow section of a pile, they generate high-frequency reflection waves.…
Project Overview of Bored Piles This project features a ±0.000 absolute elevation of 5.050, with natural ground elevation at -0.550. The excavation depth reaches 15.2 meters, extending to 17.05 meters…
Introduction Karst formations are created by long-term chemical dissolution of soluble rocks such as limestone. These formations feature dissolution grooves, slots, and caves, with particularly uneven cave roofs and floors…
