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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 When to do foundation pit support?

When to do foundation pit support?

July 24, 2025

Foundation pit support engineering is a high-risk technical field in the construction industry. Although the incidence of foundation pit accidents nationwide has been decreasing year by year, such incidents still occur from time to time. Improper design and substandard construction quality remain ...
china latest news about How to drill holes and deliver piles for pipe piles?

How to drill holes and deliver piles for pipe piles?

July 10, 2025

Pier foundation hole leading method construction (1) The diameter of the pilot hole should not exceed 0.9 times of the diameter of the pipe pile, and measures to prevent collapse of the hole should be taken. The depth of the pilot hole should not exceed 12m; (2) It is advisable to use long spiral ...
china latest news about Construction plan of rotary drilling rig in karst stratum

Construction plan of rotary drilling rig in karst stratum

July 4, 2025

When drilling in karst areas, the slurry is prone to leakage, causing a sudden drop in the slurry level inside the hole. This can lead to the failure of the casing and result in borehole collapse. The fill material in karst areas is loose and has collapsed, and if the volume of the karst area is too ...
china latest news about Osaka to Kansai Expo Stage "Mengzhou Station" project

Osaka to Kansai Expo Stage "Mengzhou Station" project

June 27, 2025

The 2025 Japan International Expo (Osaka Kansai Expo) will take place on the artificial island of Dream Island in Osaka Bay. Plans include extending the subway, which will serve as the primary transportation route to the venue. Odaiba Corporation, responsible for constructing the port railway and ...
china latest news about Introduction to the process of continuous mixing wall with equal thickness cement soil

Introduction to the process of continuous mixing wall with equal thickness cement soil

June 17, 2025

▍ Introduction to TRD construction method The TRD method, also known as the equal thickness cement-soil underground continuous mixing wall method, operates on the principle of using a chain saw-type tool box to vertically penetrate the ground. The tool box then moves horizontally while the chain ...
china latest news about CFG pile construction requirements

CFG pile construction requirements

June 4, 2025

1.The construction of cement fly ash crushed stone should follow the design requirements and site conditions, and comply with current national standards: (1) Long spiral drilling and grouting piles are suitable for cohesive soils, silty soils, and artificial fill foundations above the groundwater ...
china latest news about We warmly celebrate the official implementation of SINOVO GROUP's participation in the compilation of the industry standard "Construction Machinery and Equipment Hydraulic Pile Breaker"!

We warmly celebrate the official implementation of SINOVO GROUP's participation in the compilation of the industry standard "Construction Machinery and Equipment Hydraulic Pile Breaker"!

May 20, 2025

Help industry standardization, lead technological innovation and development Recently, the mechanical industry standard "Construction Machinery and Equipment Hydraulic Pile Breaker" (No.: JB/T 14521-2024), with SINOVO GROUP as one of the main participating units, has successfully passed the review ...
china latest news about Artificial bored pile construction

Artificial bored pile construction

May 13, 2025

General requirements 1. In areas without groundwater or with a small amount of groundwater and relatively dense soil layers or weathered rock layers, or where mechanical drilling is not feasible or extremely difficult, and where hydrogeological conditions permit, manual bored piles can be used for ...
china latest news about What if you accidentally hit the PHC pipe pile too deep?

What if you accidentally hit the PHC pipe pile too deep?

April 28, 2025

If the pile can still be connected, it is best to carry out the connection treatment. When the earthwork excavation is completed, extend the steel bars into the interior of the pipe pile and pour concrete to connect the pile. The pile should be extended and anchored into the foundation 50~100mm. The ...
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