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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 ...
china latest news about Rotary drilling method for hard clay and mudstone formations

Rotary drilling method for hard clay and mudstone formations

April 11, 2025

1. Characteristics and pore forming risks of hard clay and mudstone formations The biggest problem that hard clay brings to the drilling process is the difficulty of drilling and unloading soil. Compared to the Quaternary sedimentary strata, the typical characteristics of mudstone are high strength, ...
china latest news about Rotary drilling method for limestone cave formations

Rotary drilling method for limestone cave formations

April 3, 2025

1. Characteristics and pore forming risks of limestone cave formations Limestone caves are a common occurrence during construction in mountainous areas of southern China. The bedrock surface of this type of stratum fluctuates greatly due to uneven erosion, with various sizes and shapes of caves. ...
china latest news about Development trend of rotary drilling rig working device: a new era of efficient and low-carbon construction

Development trend of rotary drilling rig working device: a new era of efficient and low-carbon construction

March 21, 2025

Driven by the dual drive of "double carbon" goal and diversified infrastructure demand, the working device of rotary drilling rig is undergoing a leapfrog upgrade from a single function to a multi-dimensional empowerment. As the core carrier of pile foundation engineering, its technical iteration is ...
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