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.…
Causes and Prevention Measures of Rebar Cage Uplift During Bored Pile Grouting
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…
Prestressed Pipe Pile Construction: Comprehensive Guide to Methods, Processes & Quality Control
Types of Prestressed Pipe Piles Prestressed pipe piles are classified by concrete strength grade and wall thickness into: PHC piles (Prestressed High-strength Concrete piles): Minimum concrete strength grade C80 PC piles…
Slurry Wall Bored Pile Construction: Process, Methods, and Quality Control
Introduction to Slurry Wall Bored Piles Slurry wall bored piles utilize drilling mud to stabilize borehole walls during mechanical drilling. This method circulates slurry to suspend and remove cuttings, making…
The Importance and Methods of Cleaning Bored Piles for High-Quality Construction
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…
Common Pile Foundation Quality Issues and Treatment Measures in Construction
Introduction Pile foundations are a critical component of building construction, and their quality directly impacts the overall structural integrity of the project. This article explores common pile foundation quality issues,…
Introduction to Smw Construction Technology and On-Site Control!
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…
Construction Technology and Key Points of Bored Cast-in-Place Pile Positive and Reverse Circulation Foundation!
(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…
The Basic Knowledge of Piles That You Must Know!
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…
A Summary of Static Pressure Pile Construction Technology That You Can Understand at a Glance!
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…
Schematic diagram of continuous wall construction using SMW method
SMW CONSTRUCTION PROCESS
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…
Comprehensive Interpretation of the Construction Method of Gravel Pile
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…
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