Autumn‘s Construction Window for Geotechnical engineering: Asia, Middle East & North Africa

September‘s coming means that autumn has arrived. In this golden season, rainfall gradually decreases, and crops are continuously harvested. At this transition between winter and summer, the construction of civil engineering materials also enters its golden period.

This period is characterized by the end of the hot and rainy summer season in most areas and the yet-to-come severe winter cold. It is the "golden construction period" for many engineering construction projects, especially outdoor and civil engineering projects. The climate becomes cool and dry, which is very suitable for construction. At the same time, this is also a critical window for preparing for the upcoming winter and the spring flood season next year.

According to the world climate change pattern, Zhonglong Environmental Protection suggests that all regions should make good use of the climatic advantages and reasonably plan construction:

Last time, we analyzed the climate background of North America and Europe and provided some suggestions. And this time, let's talk about Asia, Middle East and North Africa.

Asian Region (East Asia, Central Asia, North Asia)

• Climate Characteristics: East Asia (China, Japan and South Korea) is influenced by monsoons. Therefore, autumn is the peak typhoon season (especially along the coast), when weather then turns drier and cooler. Central Asia and North Asia (the Asian part of Russia) experience rapid cooling and quickly enter winter.
• Core Needs: Post-typhoon repairs, rush construction before winter and acceleration of large infrastructure projects.
• Possible Projects and Soil Engineering Material Demands:

Emergency repairs after typhoon/flood: After typhoons, emergency repairs are needed for damaged sea dykes, river embankments and roads along the coast. A large number of geotextile containers are required for rapid embankment construction and erosion control, as well as geogrids for shore and slope protection.

Rush construction of major infrastructure: Many countries (such as China) often complete major projects or reach phased goals before the end of the year. Autumn is the rush period. Projects such as railways, roads, airports and ports require various soil engineering materials for reinforcement, isolation and drainage (Geogrid, Geotextile and Compostie Drainage Net).

Construction and maintenance of water conservancy projects: After the flood season, it is the best time to inspect reservoirs, reinforce dams and clean river channels. Geomembranes are needed for seepage prevention, and geotextiles for reverse filtration.

Middle East and North Africa Region

• Climate characteristics: Extreme drought. Autumn is the period of transition from hot summer to mild winter for temperatures becoming suitable, which is the most important construction season.
• Core needs: Water resource management; infrastructure, dust control.
• Possible projects and geosynthetic material requirements:

Water conservation and water-saving projects: The construction and anti-seepage treatment of canals, reservoirs, artificial lakes and irrigation channels are eternal themes. A large amount of geomembrane is needed as an anti-seepage layer.

Large-scale infrastructure projects: Urban expansion, new city construction, expansion of road and railway networks. Geogrids are needed for foundation reinforcement, especially on soft soil and sandy land.

Dust control: In desert areas, controlling sand dust during construction and operation is crucial. Geotextiles are needed for covering exposed ground surfaces and three-dimensional composite drainage net for sand fixation and greening.

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In summary, The autumn climate in the Northern Hemisphere is generally similar, and all regions need to accelerate the construction progress, and carry out preparatory work in advance as much as possible to create safe construction conditions for winter, ensuring the normal progress of the project.

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