#foundation drill

Design of Underground Continuous Wall

As a foundation pit enclosure structure, the underground diaphragm wall is designed and calculated mainly based on three major aspects:…

1 year ago

The Cast-in-Place Piles Are Constructed in the Pebble Geological Layer

[Abstract] Rotary drill is a pile foundation construction machine with a high degree of mechanization and intelligence, flexible walking and…

1 year ago

What Is a Lime-Soil Compaction Pile? Summarize the Common Problems in the Construction of Lime Soil Compaction Piles

1. What is a lime-soil compaction pile? 1. Lime soil column Using the lateral extrusion during the hole-forming process, the…

1 year ago

Prestressed Pipe Pile Construction Technology Guidelines, Hammering, Static Pressure

Scope of Application 1. Scope of application of hammered prestressed pipe piles Hammered prestressed pipe piles are suitable for all…

1 year ago

Methods and Techniques for Treating and Reinforcing Poor Foundation Soil

Before constructing a building, use temporary loading (sand, soil, other building materials, goods, etc.) to apply load to the foundation…

1 year ago

20 Questions on Bridge Pile Foundation Construction!

1. What should I do if the drilling hole is offset? 1. Quality problems and phenomena 1) The hole is…

1 year ago

Cushion Method for Foundation Treatment

The cushion method is to dig out the weak soil layer within a certain range under the base of the…

1 year ago

Detailed Introduction of DDC (Deep Deep Compaction Method in the Hole) and SDDC (Super Strong Compaction Method Deep in the Hole)

Foundation engineering is an extremely important part of construction projects, whether it is the treatment of problems such as "miscellaneous…

1 year ago

Detailed Explanation of Underground Continuous Wall Construction Technology in Subway Stations

Venue Layout The construction site mainly includes three parts: the underground diaphragm wall forming area; the mud system area; and…

1 year ago

The Most Detailed Classification of Pile Foundations

With the continuous development of engineering technology, new steel piles and reinforced concrete piles are becoming more and more widely…

1 year ago

Quality Control of Sediment Thickness at the Bottom of Holes in Rotary Drilled Cast-in-Place Piles in Thick Sandy Strata

For rotary bored piles, controlling the thickness of sediment at the bottom of the pile is the key to quality…

1 year ago

Comparative Analysis of Rotary Drilling Rigs, Impact Drills and Rotary Drilling Rigs!

Today, we will compare rotary drilling rigs with commonly used impact and rotary drilling rigs in the past, and give…

1 year ago