precast-tech

At 3:30 pm on March 3rd, with the first truck of concrete smoothly entering the warehouse, the concrete pouring of the first warehouse of the diversion tunnel of the Yellow River Guxian Water Conservancy Hub project undertaken by China Hydropower Third Bureau was successfully completed.

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As the first section of the diversion tunnel project to initiate lining construction, the achievement of this critical milestone marks the official transition of the Guxian Water Conservancy Hub project from tunnel excavation construction to concrete lining construction.

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The CCPA Green Low Carbon Cementitious Materials and Concrete Technology Application Branch is committed to promoting the green transformation of the cement and concrete industry and helping to achieve the national “dual carbon” goal.

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The steel mesh should be constructed layer by layer along with the soil nails, and set layer by layer.

The thickness of the protective layer should not be less than 20mm, the overlap length should not be less than 30d, and the single-sided welding length should not be less than 10d.

The steel mesh should extend to the ground surface and extend 0.

5m beyond the slope line.

Steel Rebar Chairs

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Recently, Xintai Zhonglian Cement Co.

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joined forces with four transportation units to mass use new energy concrete mixer trucks.

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On March 13th, the national cement market saw a major increase, with price hikes mainly concentrated in Jiangsu and Zhejiang provinces.

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Regulations on Safety Work in Limited Space Operations State Grid Safety Supervision [2023] No.

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21.

With the development of our country’s economy, contradictions in the field of construction are increasing day by day.

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The quality of construction projects is one of the most concerning issues in the construction industry, and it is also one of the areas where disputes frequently arise in practice.

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According to the preparation requirements of the maximum bidding price limit in the “Shaanxi Province Construction Engineering Cost Rules (2025)”, material prices should be executed in accordance with the material information prices published by the provincial and municipal engineering cost management departments; Materials that have not been published in the information price can be determined based on market prices.

This regulation is consistent with the pricing rules of 2009.

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From this, it can be seen that regardless of the pricing model used, the material information price is an important basis for preparing the maximum bidding price limit.

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With the deepening of the transformation and upgrading of China’s construction industry, precast buildings, as an important carrier for the industrialization, intelligence, and green development of the construction industry, have become an inevitable choice for the high-quality development of the construction industry.

Precast concrete structure (PC structure), as one of the main forms of precast buildings, has significant advantages such as fast construction speed, controllable quality, energy conservation and environmental protection.

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However, in practical engineering applications, the construction of PC structures still faces problems such as low standardization of components, insufficient reliability of node connections, and low efficiency of construction coordination, which restrict the full play of its advantages.

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