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Search results for keyword: tunnels
Length, curvature and weight of cold-rolled ribbed steel bars (GB 13788-2000)
Cold Rolled Ribbed Steel Bars Length, Bending and Weight Cold rolled ribbed steel bars are commonly used for reinforcing concrete structures. They are specifically designed for ideal stress and sustainable performance. The requirements for the length, bending and weight of these pieces become inc......
tags: should steel weight length steel ribbed
1080
Sophie
Mechanical properties, process properties and surface quality of cold-rolled ribbed steel bars (GB 13788-2000)
Abstract This paper evaluates the cold-rolled ribbed steel bar mechanical performance, process performance and surface quality by comparing with GB13788-2000 and other standards. Cold-rolled ribbed steel bar is widely used in reinforced concrete and other building structures. In this paper, a ser......
tags: steel bar ribbed steel bars ribbed
1053
Sophia
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......
Steel strand for prestressed concrete (GB/T5224-1995)
描述预应力混凝土用钢绞线 Pre-stressed concrete (PSC) steel strand is an important reinforcement material for steel-reinforced concrete structures. It is used to reinforce concrete structures such as bridges and buildings by adding strength and resilience to them. PSC steel strand is composed of wir......
tags: steel strand psc wires concrete prestressed
1085
Evelyn
Japanese JIS mechanical structure steel designation system
,文章的内容: Japanese JIS Mechanical Structure Steel Designation System Steel has been used as part of the structure of mechanical structures since the invention of steel. It provides strength, durability, and versatility to a design and is widely used in many industries. In Japan, they have dev......
tags: steel used mechanical steel used grade
1052
Sophie
20Mn2 use
Introduction 20Mn2 steel is a manganese steel that has excellent hardenability and strength. It is commonly used for components such as valves, pumps, crankshafts, transmissions and other parts that require a high level of strength. The alloy can be heat treated to generate a wide range of mechan......
tags: strength steel 20mn2 steel q235b used
1107
Sophia
Australian general structural steel grades
Australia general structural steel grade When it comes to structural steel grade in the australian market, there are a variety of different grades that you can choose from. Depending on the project, there are structural grades of carbon steel, high strength low alloy structural steel, bridge stee......
tags: steel grade structural steel grade used
1049
Emily
Cold micro steel (GB/T6478-1986)
Cold rolled steel (GB/T6478-1986) Cold rolled steel (also known as soft steel) is one of the most commonly used materials in modern engineering, particularly in the automotive and construction industries. This type of steel has become increasingly popular in recent years due to its versatility an......
tags: steel cold its steel cold rolled
1036
Sophie
Grade and chemical composition of cold-rolled ribbed steel bars (GB 13788-2000)
Cold-rolled Ribbed Steel Bar Chemical Components and Specification (GB 13788-2000) Ribbed bars are formed by mats rolling or cold drawn of round steel bar. As an important reinforcement bar in the field of construction,they are widely used, such as concrete structures, bridges, tunnels and others......
tags: group two steel steel bars composition
1068
Sophia
Q345A use
? Q345A is a type of steel alloy which is commonly used in the construction industry.It belongs to a family of materials known as low-alloy steels and is one of the most widely used materials for building bridges, highways, airports, industrial complexes and residential buildings.Q345A is often th......
tags: strength material q345a steel used q345a
1042
Olivia
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