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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 ...
china latest news about High-speed railway tunnel construction technology

High-speed railway tunnel construction technology

December 15, 2023

The construction of high-speed railway tunnels requires advanced technology and precision engineering to ensure safe and efficient transportation. High-speed rail has become an important part of modern transportation infrastructure, providing fast and reliable travel for millions of people around ...
china latest news about Application of low headroom rotary drilling rig

Application of low headroom rotary drilling rig

December 7, 2023

A low headroom rotary drilling rig is a specialized type of drilling equipment that can operate in areas with limited overhead clearance. It is commonly used in various industries and applications, including: Urban Construction: In urban areas where space is limited, low headroom rotary drilling ...
china latest news about Construction technology and key points of high-press churning pile

Construction technology and key points of high-press churning pile

November 24, 2023

High-pressure jet grouting method is to drill a grouting pipe with a nozzle into a predetermined position in the soil layer by using a drill machine, and use high-pressure equipment to make the slurry or water or air become a high-pressure jet of 20 ~ 40MPa from the nozzle, punching, disturbing and ...
china latest news about Design and construction technology of secant pile wall

Design and construction technology of secant pile wall

November 17, 2023

The secant pile wall is a form of pile enclosure of foundation pit. The reinforced concrete pile and plain concrete pile are cut and occluded, and Piles are arranged to form a wall of piles interlocking with each other. The shear force can be transferred between the pile and pile to a certain extent...
china latest news about How to remove pile head

How to remove pile head

November 10, 2023

The Contractor shall use crack inducer or equivalent low noise method for removal of pile head to cut-off level. The Contractor shall preinstall crack inducer to effectively render crack on the pile at about 100 - 300 mm above the pile head cut off level. The pile starter bars above this level shall ...
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