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Assembly and Connection of Hollow Piles

(a) Stone dumping at pile bottom: After borehole acceptance, move the drilling rig away and immediately dump 1–1.5 m of mixed stone of 5–40 mm in size into the pile bottom.

2013-10-23
Bored Pile Drilling Construction

(a) The drilling rig and drill pipe must be checked for strength, and their torque must meet construction requirements. (b) Drilling rig design: Due to the large borehole diameter and high rotary torque, the drill bit is required to have a simple structure, light weight, and drill

2013-10-23
How to Handle Caisson Sinking When an Inclined Rock Stratum Is Encountered

Handling when a caisson sinks and encounters an inclined rock stratum: 　　The soft or weathered rock layer on the surface should be chipped away and leveled as much as possible, so that more than two-thirds of the caisson cutting edge is embedded and resting on the rock stratum, with the embedded

2013-10-22
Key Technical Points and Precautions for Pile Sinking Construction in Engineering

Key technical points and precautions for pile sinking construction: (1) Lifting shall be smooth to prevent collisions. (2) Before pile driving, the water depth and underwater topography of the pile sinking area shall be measured.

2013-10-22
Bauer Successfully Holds 2013 Customer Technical Exchange Conference and China Factory Open House

During the event, numerous customers and technical personnel visited Bauer's in-house exhibition, new factory buildings, and more. Bauer gave attending customers a detailed introduction to the development history and overall product range of the German Bauer company, as well as the company's newly produced BG series rotary drilling rigs in various models, GB series diaphragm wall hydraulic grabs, CSM cutter soil mixing equipment, BC trench cutters, and other foundation construction equipment, along with foundation construction methods, techniques, and project examples. Bauer personnel explained to customers that these newly developed products have already made impressive appearances at construction sites across the country, demonstrating significant advantages especially in hard, complex, and other special strata, and that sales momentum for the company's various products is promising.

2013-10-22
A Brief Discussion of Repair Techniques for Five Types of Parts in Construction Machinery

1. Repair of Engine Cylinder Head Deformation Our company has two Kawasaki KLD85Z loaders (Japanese-made). Due to long-term operation under high temperature, high pressure, thermal load, and alternating loads, the engine cylinder heads have undergone deformation.

2013-10-22
Groundbreaking for LiuGong Global R&D Center

In golden October, LiuGong welcomes another major project commencement. On October 8, the groundbreaking ceremony for the LiuGong Global R&D Center construction project was held at the LiuGong International Industrial Park. LiuGong Chairman Wang Xiaohua announced the groundbreaking of the construction project.

2013-10-18
Threaded Mechanical Quick-Connect Joint Technology

The comprehensive benefits of threaded mechanical quick-connect joints for pipe piles are significant. Although the material and machining costs of the joint connection components are slightly higher, the market price of pipe piles using mechanical joints (taking Φ400 as an example) will increase by about 5 yuan/m compared with the original; however, from the perspective of comprehensive benefits, construction costs will not increase.

2013-10-18
Characteristics of Bored Cast-in-Place Piles in Industrial and Civil Construction

(1) Characteristics of pile foundations in industrial and civil construction Pile foundations can serve as the foundation for heavily loaded buildings. Due to their flexible layout, high bearing capacity, small settlement, and suitability for mechanized construction, they have now become a [widely used] foundation

2013-10-17
Construction Issues in Bored Cast-in-Place Piles: Sediment at the Pile Tip and Disturbance of the Bearing Stratum

Another issue with slurry-wall-protected bored cast-in-place piles is sediment at the pile tip. During construction, it is inevitable that some soil debris settles at the bottom of the hole to form sediment, as shown in Figure 1-2. If the sediment at the bottom of the hole is difficult to remove or is not cleaned thoroughly, it will affect the bearing capacity of the bored cast-in-place pile.

2013-10-16
A Brief Discussion on the Treatment of Soft Soil Foundations

Foundation treatment involves the use of physical and chemical methods, and sometimes biological methods, to replace, improve, and reinforce soft or unsuitable soil in the foundation, thereby forming an artificial foundation.

2013-10-16
Handling of Drill Jamming During Long Spiral Drill Rig Construction

For drill jamming caused by non-collapse factors with little sediment, self-rescue measures should be taken first; in addition, the drill pipe may be raised moderately to increase the lifting capacity for the drill pipe. The above methods can only be used in the early stage of drill jamming.

2013-10-16

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