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china latest news about Sand and silt layer rotary drilling method

Sand and silt layer rotary drilling method

February 23, 2024

1. The characteristics and risks of sand and silt layer When drilling holes in fine sand or silty soil, if the groundwater level is high, mud should be used to form holes for wall protection. This kind of stratum is easy to be washed under the action of water flow because there is no adhesion ...
china latest news about Pile foundation can be selected in the following cases

Pile foundation can be selected in the following cases

February 8, 2024

1. Pile foundation can be used when the foundation is weak and the natural foundation cannot meet the requirements of foundation strength and deformation. 2, when there are strict requirements for building deformation, pile foundation should be used. 3. Pile foundation should be used when high-rise ...
china latest news about Underground diaphragm wall main construction method :SMW construction method, TRD construction method, CSM construction method

Underground diaphragm wall main construction method :SMW construction method, TRD construction method, CSM construction method

January 26, 2024

SMW(Soil Mixing Wall) continuous wall was introduced in Japan in 1976. SMW construction method is to drill to a certain depth in the field with a multi-axis drilling mixer. At the same time, cement strengthening agent is sprayed at the drill bit and mixed with the foundation soil repeatedly. ...
china latest news about Overview of TRD

Overview of TRD

January 19, 2024

Introduction to TRD TRD (Trench cutting Re-mixing Deep wall method), a continuous wall construction method under equal thickness cement soil, developed by Japan's Kobe Steel in 1993, which uses a saw chain cutting box to continuously construct continuous walls under equal thickness cement soil ...
china latest news about Rotary drilling method in soft soil and other collapsible strata

Rotary drilling method in soft soil and other collapsible strata

January 12, 2024

The rotary drilling method can also be used in soft soil and other collapsible strata. Here are some key considerations when using rotary drilling in such conditions: Soil Investigation: Conduct a thorough soil investigation to understand the characteristics of the soft soil or collapsible strata. ...
china latest news about Rotary drilling method of granite and other hard rock strata

Rotary drilling method of granite and other hard rock strata

January 5, 2024

The characteristics of hard rock formations such as granite and the risk of hole formation. When designing pile foundations for many large bridges, the piles are required to penetrate into the weathered hard rock to a certain depth, and the diameter of the piles designed for these pile foundations ...
china latest news about Beijing SINOVO GROUP has officially become a member of Import and Export Enterprises Association

Beijing SINOVO GROUP has officially become a member of Import and Export Enterprises Association

December 29, 2023

In December 2023, the third member meeting of the seventh session of the Beijing Chaoyang District Import and Export Enterprise Association was successfully held.Han Dong, deputy director of the Beijing Chaoyang District Commerce Bureau, the business guidance unit of the association, came to give ...
china latest news about Key points of pile foundation construction of karst cave

Key points of pile foundation construction of karst cave

December 22, 2023

When constructing pile foundations in karst cave conditions, here are some key points to consider: Geotechnical Investigation: Conduct a thorough geotechnical investigation prior to construction to understand the characteristics of the karst cave, including its distribution, size, and possible water ...
china latest news about Commonly used piling methods for bored pile foundation formation

Commonly used piling methods for bored pile foundation formation

December 1, 2023

Ⅰ. Mud shielding wall formed piles Forward and reverse circulation bored piles: Forward circulation is that the flushing fluid is sent to the bottom of the hole by the mud pump through the drilling rod, and then returns to the ground from the bottom of the hole; the reverse circulation flushing ...
china latest news about Vice Chairman Ding Zhongli of the National People's Congress visited theNew China Science and Technology Promotion Association

Vice Chairman Ding Zhongli of the National People's Congress visited theNew China Science and Technology Promotion Association

December 15, 2023

Recently, Ding Zhongli, Vice Chairman of the National People's Congress, led a delegation of the European and American Alumni Association to visit the China Science and Technology Promotion Association in Singapore. Mr. Wang Xiaohao, General manager of our company, attended the meeting as a senior ...
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