In depth analysis of Guangzhou concrete market: exploring the path of green and intensive breakthroughs in structural surplus

Entering the first year of the 15th Five Year Plan, the ready mixed concrete industry, as a fundamental industry of the national economy, is undergoing a profound structural adjustment in the core city of Guangzhou in southern China.

The market has shifted from high-speed growth to a stage of stock game, and the industry as a whole presents typical characteristics of “continuous expansion of production capacity, high-level decline in demand, fierce price competition, and pressure on enterprise profits”.

Today, based on detailed market data, I will analyze the root causes of the current difficulties and explore the future transformation path of the industry under the requirements of the “dual carbon” goal and high-quality development.

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Report on the Development of Pre mixed Concrete Industry in Guizhou Province in 2025

In 2025, under the dual background of supply and demand structure adjustment and green transformation, the ready mixed concrete industry in Guizhou Province will focus on stabilizing growth, improving quality, and promoting transformation.

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It will face core challenges such as overcapacity, low price competition, and financial pressure, steadily promote the standardized, green, and intelligent development of the industry, and provide solid building materials support for major infrastructure, urban renewal, rural revitalization, and livelihood projects in the province.

The report on the development of industries in the province in 2025, the effectiveness of work promotion, existing problems, and work suggestions for 2026 is as follows:.

Analysis of Factors Influencing the Testing of Concrete Compressive Strength by Rebound Method

The rebound instrument was invented by Swiss scientist Schmidt in 1950.

The rebound instrument has a relatively simple structure and is small in size and light in weight, which makes it convenient to carry and has a fast testing speed.

This equipment received attention from relevant personnel in China in the 1950s, and it was not until the 1980s that this method began to be widely used for testing the strengthening of concrete.

During the experimental process, relevant theories were continuously summarized and its related content was improved.

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Report on the Development of Pre mixed Concrete Industry in 2025

2025 is an extraordinary year, as the impact of external environmental changes deepens and the contradiction between strong domestic supply and weak demand becomes prominent.

The country vigorously promotes the development of new quality productive forces according to local conditions, strengthens scientific and technological innovation, cultivates and strengthens emerging industries, and transforms and enhances traditional industries, achieving positive results.

The ready mixed concrete industry is constrained by the downward trend of fixed assets investment in traditional infrastructure, real estate and construction industries.

In 2025, fixed assets investment will decline by 3.

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8% year on year, of which, the investment in infrastructure will decline year on year, and the decline in real estate investment will intensify; By 2025, the cumulative production of ready mixed concrete in China will be 2.

288 billion cubic meters, a year-on-year decrease of 8.

7%.

The production of ready mixed concrete has been declining year-on-year for four consecutive years, further clarifying the trend of industry demand shifting from the platform period to the downward period.

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Analysis of Problems in the Application of Admixtures in Commercial Concrete!

The application of commercial concrete has been basically popularized in China, and the use of admixtures has also promoted and accelerated the development of concrete technology.

Admixtures have also solved various technical problems in the application of concrete, such as long-distance and ultra-high transportation of concrete, self compacting of concrete, and crack control of super large concrete structures.

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Admixtures have been widely used in ultra-high strength and underwater non dispersing concrete.

Due to the uneven distribution of concrete material resources in our country and the limitation of green environmental protection, some regions are facing a shortage of sand and gravel aggregate resources.

As a result, many areas have to switch to using ultra-fine sand, machine-made sand, and discontinuous graded aggregates, which leads to the failure of commercial concrete to achieve the expected technical effects after the use of additives and a decrease in concrete quality.

In addition, some technical personnel in concrete production enterprises have certain misconceptions about concrete admixtures, and their improper application leads to frequent problems and even engineering accidents after using admixtures.

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