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china latest news about The refurbished VY368A Static Pile Driver has been given a new life

The refurbished VY368A Static Pile Driver has been given a new life

December 11, 2025

With the booming development of global infrastructure, China's equipment manufacturing industry, possessing advanced manufacturing technology and superior processing techniques, is contributing Chinese strength and providing Chinese equipment to countries along the Belt and Road Initiative. In ...
china latest news about Rotary drilling method for soft soil and other easily collapsible strata

Rotary drilling method for soft soil and other easily collapsible strata

November 17, 2025

1,Characteristics of soft soil and other easily collapsible strata and risks of borehole formation In soft soil, newly deposited backfill, and recently deposited loose fine sand layers, if the groundwater level is high, even with mud slurry wall protection, the borehole wall is difficult to ...
china latest news about Can we pour concrete when there is standing water in the pit?

Can we pour concrete when there is standing water in the pit?

October 31, 2025

To address this question, we must first determine whether water accumulation in the foundation pit affects concrete quality. According to Article 7.5.2 of GB/T14902 "Ready-Mix Concrete" standard: Concrete mixer trucks must completely drain water from mixing tanks before loading, and it is strictly ...
china latest news about There is water in the pit. Can we pour concrete?

There is water in the pit. Can we pour concrete?

October 17, 2025

To address this question, we must first determine whether water accumulation in the foundation pit affects concrete quality. According to Article 7.5.2 of GB/T14902 "Ready-Mix Concrete" standard: Concrete mixer trucks must completely drain water from mixing tanks before loading, and it is strictly ...
china latest news about Comparative analysis of rotary drilling rig with impact and rotary drilling rig

Comparative analysis of rotary drilling rig with impact and rotary drilling rig

September 17, 2025

The rotary drilling rig, a hole-forming equipment gaining widespread acceptance in recent years, has become a widely recognized method in underground foundation construction. As the fastest-developing innovative pile hole construction technique, rotary drilling cast-in-place piles are hailed as a ...
china latest news about Four steps to improve the construction quality of PHC pipe pile

Four steps to improve the construction quality of PHC pipe pile

September 5, 2025

I. ACCESS CONTROL The strength of the pipe pile shall reach 100% of the design value before it can be transported to the site. The product qualification certificate, appearance and external dimensions shall be checked when entering the site. Appearance: no honeycomb, exposed concrete, cracks, ...
china latest news about Two technical methods to improve the bearing capacity of rotary pile

Two technical methods to improve the bearing capacity of rotary pile

August 8, 2025

At present, the common technical methods to improve the vertical bearing capacity of single pile in cast-in-place piles are foundation expansion method and post-grouting method. In the same stratum, pile end resistance is proportional to the pile's end base area. When the pile diameter remains ...
china latest news about Rotary Drilling Method

Rotary Drilling Method

June 14, 2024

The rotary drilling method is a widely used technology in the drilling and excavation fields. The method involves using a rotating drill bit to cut through the earth's surface to form boreholes used for a variety of purposes, such as oil and gas exploration, water well drilling, and construction ...
china latest news about When should an underground continuous wall be used?

When should an underground continuous wall be used?

September 28, 2025

1. Characteristics of Underground Continuous Walls An underground continuous wall is constructed using specialized excavation equipment. The process involves excavating a slot-shaped hole along the perimeter of a foundation or underground structure to specified dimensions, followed by installing ...
china latest news about Four steps to improve the construction quality of PHC pipe pile

Four steps to improve the construction quality of PHC pipe pile

August 22, 2025

1. Entry control 1. The strength of the pipe pile shall reach 100% of the design value before it can be transported to the site. 2. The product qualification certificate, appearance and external dimensions shall be checked when entering the site. (1) Appearance: no honeycomb, exposed concrete, ...
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