Search results for keyword: soi
shrinkage cavity
Introduction
In civil engineering, holes are often caused by the process of shrinkage. Shrinkage can occur in both concrete and soil materials, resulting in a variety of different types of holes. Shrinkage holes can lead to structural problems, such as decreased stability and increased stress, as......
1220 
Sophia
Coal Gangue Comprehensive Utilization Technology
Integrated Utilization of Coal Gangue
Background
In modern energy development and industrial production, energy is an important material basis, and coal is an important energy source. Coal burning and other smelting processes during industrial production will inevitably produce solid residues— ......
Hydraulic fracturing
Hydraulic Fracturing
Hydraulic fracturing, commonly known as “fracking,” is a process used in the oil and gas industry that involves injecting large amounts of water, sand, and chemicals into the ground at high pressure. This process creates fractures in rock formations, allowing oil, gas, and......
Selection of shape and size of cutting edge
The choice of Shovel Blades shapes and sizes
Shovels have been used for hundreds of years and remain one of the most versatile tools in any arsenal. They come in a variety of shapes, sizes, and materials, making it easy to find the perfect shovel for any job. But how do you choose a shovel blade?......
The new technology of pressing dust, mud and iron oxide into balls has a good emission reduction effect
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The Benefits of the New Iron-Oxide-Compressed Dust-Clay Ball Technology in Achieving Carbon Emission Reduction
The global proliferation of carbon emissions has become an issue of increasing concern. As the world moves towards a low-carbon economy, reducing carbon emissions has become fundamenta......
Derrick installation
Introduction
The purpose of this paper is to discuss the importance of proper well installation and maintenance. Wells are an important part of any property, and their success relies on proper installation. A well’s success depends on efficient use of the resources used during installation, and ......
anchorage length
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Reinforced concrete has been profoundly applied to the construction of widely varied structures due to its unique properties of strength, durability, ductility and economical construction cost. A structural element of reinforced concrete is just like any other structural member in terms of its d......
Agricultural composite steel (YB/T5003-1993)
Introduction
Farm use composite steel is a type of boneless steel. It is made of composite steel tube, cylindrical steel and flat steel. In 1993, the Ministry of Agriculture issued the national standard YB /T5003-1993 for farm use composite steel, which stipulated the production technology, size,......
Technical Specification for Waterproofing of Underground Engineering (GB50108-2001)
Underground Engineering Waterproofing Technology Specification (GB50108-2001)
This standard specifies the technical requirements and acceptance criteria of waterproof engineering design and construction, the process of detection, acceptance, maintenance and management of underground engineering w......
Steel bars for prestressed concrete (YB/T111-1997)
Abstract
This article introduces the technology of steel bars in pre-stressed concrete. It consists in three parts. The first part introduces the characteristics of steel bars in pre-stressed concrete, namely, the tensile strength, elastic modulus and so on. The second part gives the structure of......
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