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Have you checked the Temperature Gradient options available in midas Civil?
For bridge superstructures, along with all major loads, the Temperature Gradient load is also significant. It imparts additional stresses due to changes in variation in temperature along with section depth. Midas Civil provides an accurate estimation of these stresses. Also, for certain codes, the auto definition of temperature gradient values will be defined. For example, PSC sections and Composite sections are relatively complex but frequently used; the program automatically determines the temperature load by dividing and transforming the corresponding zone.
Through this eBook, we will learn about the features available for temperature gradient definition for all the section types specified in various standard codes. For better understanding, some illustrative examples are provided to understand how these definitions are made and the verifications with standard manual methods of calculations. Common mistakes while defining these inputs are also discussed.
Key Points
The Complete Guide to Temperature Gradient
The daily changes in ambient temperature and solar radiation intensity lead to differential temperature in bridge superstructures. These temperature gradient loads induce stresses throughout the depth of the bridge deck. If the top of a beam heats up relative to the bottom, it tends to expand, while the bottom of the beam would resist this expansion. If the beam is restrained, bending moment and shear force are generated, leading to additional stresses in the statically indeterminate structure
1. What is Temperature Gradient?
01-1. Introduction
2. Code Provisions for Temperature Gradient Load on Bridges
02-1. Indian code
02-2. Eurocode
02-3. AASHTO Code (AASHTO LRFD Bridge Design Specifications)
3. Features in midas Civil for Temperature Gradient Load
03-1. Temperature Gradient
03-1-1. In the case of a beam elemen
03-1-2. In the case of a plate element
03-2. Beam section Temperature
03-2-1. General Section Type
03-2-2. PSC Section Type
4. FAQ’s for using Temperature Gradient in midas Civil
04-1. How to apply temperature gradient load for user defined sections?
5. Sample Calculations
6. Common Mistakes While Assigning Temperature Gradient Loads in midas Civil
06-1. Improper inputs while defining temperature gradient load
06-2. Assigning temperature loads in construction stage analysis
* Most common mistakes while defining temperature gradient loads in midas Civil are introduced here
- Improper inputs while defining temperature gradient load
- Assigning temperature loads in construction stage analysis
- The section type selection as the General type or PSC/Composite type
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