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๐Ÿ”จ World Construction Engineering
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๐Ÿ“จ @Philemona7 Or @ETCONpBOT

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๐Ÿ‘‰แˆˆแˆ˜แŠ–แˆชแ‹ซ แ‰คแ‰ตแАแ‰ต แ‰ฅแ‰ป แ‹จแˆšแ‹ซแŒˆแˆˆแŒแˆˆแ‹ แ‹จแ‹“แˆˆแˆ›แ‰ฝแŠ• แˆจแŒ…แˆ™ แˆฐแˆ›แ‹ญ แŒ แ‰€แˆต แˆ…แŠ•แƒ แ‰ แ‰ฅแˆซแ‹šแˆ แŠฅแ‹จแ‰ฐแŒˆแАแ‰ฃ แАแ‹แข

๐Ÿ’ซแ‰ 550 แˆœแ‰ตแˆญ แ‹จแˆšแˆจแ‹แˆ˜แ‹แŠ“ แ‰ แ‰ฅแˆซแ‹šแˆ แ‰ แ‰ฃแˆแŠ”แˆชแ‹ฎ แŠซแˆแ‰ฆแˆชแ‹ฉ แ‹จแˆšแŒˆแŠ˜แ‹ แ‹จแŠ แˆˆแˆ›แ‰ฝแŠ• แŠฅแŒ…แŒ แ‰ แŒฃแˆ แˆจแŒ…แˆ™ แˆดแŠ“ แ‰ณแ‹ˆแˆญ แˆชแŠจแˆญแ‹ฑแŠ• แ‹จแˆšแ‹ˆแˆตแ‹ฐแ‹ แ‰ แŠ’แ‹แ‹ฎแˆญแŠญ 472 แˆœแ‰ตแˆญ แŠจแˆšแˆจแ‹แˆ˜แ‹ "แˆดแŠ•แ‰ตแˆซแˆ แ“แˆญแŠญ แ‰ณแ‹ˆแˆญ" แАแ‹แข

๐ŸšงแˆดแŠ“ แ‰ณแ‹ˆแˆญ 228 แ‹จแ‰…แŠ•แŒฆแ‰ต แŠ แ“แˆญแ‰ตแˆ˜แŠ•แ‰ถแ‰ฝ แŠฅแŠ•แ‹ฒแŠ–แˆฉแ‰ต แ‹จแ‰ฐแ‹ฐแˆจแŒˆ แˆฐแˆ›แ‹ญ แŒ แ‰€แˆต แˆ…แŠ•แƒ แАแ‹แข

@etconp
โค7๐Ÿ”ฅ2๐Ÿ‘1
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โค3๐ŸŽ‰1
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๐Ÿ‘‰Retrofitting refers to the process of adding new technology or features to older systems or structures.

โบIt's commonly used in various fields, including construction, engineering, and technology, to improve performance, efficiency, and safety.

โญ๏ธKey Areas of Retrofitting:

1. Buildings and Infrastructure:
   - Energy Efficiency: Upgrading insulation, windows, and HVAC systems to reduce energy consumption.
   - Seismic Upgrades: Strengthening buildings to withstand earthquakes.
   - Accessibility: Adding ramps or elevators to meet current accessibility standards.
2. Transportation:
   - Vehicle Modifications: Updating older vehicles to meet emission standards or improve fuel efficiency.
   - Smart Technologies: Integrating GPS and advanced driver-assistance systems into existing vehicles.
3. Manufacturing:
   - Equipment Upgrades: Adding new controls or automation to older machinery to improve efficiency and safety.
   - Sustainability: Retrofitting factories with cleaner technologies to reduce waste and emissions.
4. Renewable Energy:
   - Solar Panel Installation: Adding solar energy systems to existing buildings.
   - Wind Turbines: Retrofitting old structures to support wind energy generation.

๐Ÿ’ซBenefits of Retrofitting:

- Cost-Effectiveness: Often cheaper than building new structures or systems from scratch.
- Sustainability: Reduces waste and can improve the energy efficiency of existing resources.
- Enhanced Performance: Updates can improve the longevity and functionality of older systems.
- Compliance: Helps meet modern regulations and standards.

๐ŸšงChallenges:

- Initial Costs: Upfront investment can be significant.
- Compatibility Issues: Ensuring new technologies integrate well with old systems can be complex.
- Disruption: Retrofitting can cause temporary disruptions to normal operations.

๐Ÿ“œConclusion:

โบRetrofitting provides a way to modernize and improve existing systems, making them safer, more efficient, and more sustainable.

โบWhether in buildings, vehicles, or industrial settings, retrofitting plays a key role in adapting to new demands and technologies!   

@etconp
โค10๐Ÿ‘1
๐Ÿ‘‰แˆตแˆˆ แ‹‹แŒ‹ แˆ›แˆตแ‰ฐแŠซแŠจแ‹ซ (Price Adjustment) แ‹จแŒแ‹ฐแˆซแˆ แŒแ‹ฅ แˆ˜แˆ˜แˆชแ‹ซแ‹ แˆแŠ• แ‹ญแˆ‹แˆ?

๐Ÿ“ แˆˆแŒแŠ•แ‰ฃแ‰ณ แŒแ‹ฅ 12 แ‹ˆแˆซแ‰ต แŠฅแŠ“ แŠจแ‹šแˆ… แ‰ แˆ‹แ‹ญ แˆˆแˆšแ‰†แ‹ฉ แ‹จแŒแŠ•แ‰ฃแ‰ณ แˆตแˆซแ‹Žแ‰ฝ แ‹แˆ‰ แ‰ฐแˆแŒปแˆš แˆ˜แˆ†แŠ• แŠจแŒ€แˆ˜แˆจแ‰ แ‰ต แŠจแˆตแ‹ตแˆตแ‰ต แ‹ˆแˆซแ‰ต แ‰ แŠ‹แˆ‹ แ‹จแ‹‹แŒ‹ แˆ›แˆตแ‰ฐแŠซแŠจแ‹ซ แ‹ญแ‹ฐแˆจแŒแˆ‹แ‰ธแ‹‹แˆแข

โบแŠจ 12 แ‹ˆแˆซแ‰ต แ‰ แ‰ณแ‰ฝ แ‹จแˆ†แŠ‘ แ‹จแŒแŠ•แ‰ฃแ‰ณ แˆตแˆซ แ‹แˆŽแ‰ฝ แ‹จแ‹‹แŒ‹ แˆ›แˆตแ‰ฐแŠซแŠจแ‹ซ แŠ แ‹ญแ‹ฐแˆจแŒแˆ‹แ‰ธแ‹แˆแข

๐Ÿ“แˆตแˆซ แ‰ฐแ‰‹แˆซแŒฉ แ‰ แ‹แˆ แˆตแˆแˆแАแ‰ฑ แˆ˜แˆฐแˆจแ‰ต แˆ˜แˆตแˆซแ‰ต แˆ‹แˆแ‰ปแˆ‹แ‰ธแ‹ แŠฅแŠ“ แ‹˜แŒแ‹ญแ‰ฐแ‹ แˆˆแ‰ฐแˆฐแˆฉ แ‹จแŒแŠ•แ‰ฃแ‰ณ แˆฅแˆซแ‹Žแ‰ฝ แ‹จแ‹‹แŒ‹ แˆ›แˆตแ‰ฐแŠซแŠจแ‹ซ แˆ›แ‹ตแˆจแŒ แ‹จแˆšแ‰ปแˆˆแ‹ แ‹จแŒแŠ•แ‰ฃแ‰ณ แˆฅแˆซแ‹Žแ‰น แˆ˜แˆฐแˆซแ‰ต แ‰ แАแ‰ แˆจแ‰ฃแ‰ธแ‹ แ‹ˆแ‰…แ‰ต แ‰ แАแ‰ แˆจแ‹ แ‹‹แŒ‹ แˆ˜แˆฐแˆจแ‰ต แ‰ฅแ‰ป แ‹ญแˆ†แŠ“แˆแกแก

๐Ÿ”– แˆˆแˆแŠญแˆญ แŠ แŒˆแˆแŒแˆŽแ‰ต แŒแ‹ฅ แ‹จแˆšแ‹ฐแˆจแŒ แ‹จแ‹‹แŒ‹ แˆ›แˆตแ‰ฐแŠซแŠจแ‹ซ แ‹ฐแŒแˆž 24 แ‹ˆแˆซแ‰ต แŠฅแŠ“ แŠจแ‹šแˆ… แ‰ แˆ‹แ‹ญ แˆˆแˆšแ‰†แ‹ฉ แŒแ‹ฅแ‹Žแ‰ฝแฃ แŠจ12แŠ›แ‹ แ‹ˆแˆญ แŒ€แˆแˆฎ แ‹จแ‹‹แŒ‹ แˆ›แˆตแ‰ฐแŠซแŠจแ‹ซ แ‹ญแ‹ฐแˆจแŒ‹แˆแข

๐Ÿ”– แ‰ แˆแŠญแˆญ แŠ แŒˆแˆแŒแˆŽแ‰ต (Consultancy Services) แŒแ‹ฅ แ‹จแ‹แˆ แŠ แˆแŒปแŒธแˆ แ‹ˆแ‰…แ‰ต แ‹จแŠ แˆ›แŠซแˆชแ‹ แˆตแˆ…แ‰ฐแ‰ต แ‰ฃแˆแˆ†แА แˆแŠญแŠ•แ‹ซแ‰ต แ‹จแ‹แˆ แˆ˜แˆแŒธแˆšแ‹ซ แŒŠแ‹œแ‹ แ‰ แˆ˜แˆซแ‹˜แˆ™ แˆˆแŠ แˆ›แŠซแˆชแ‹ แ‹จแ‹‹แŒ‹ แˆ›แˆตแ‰ฐแŠซแŠจแ‹ซ แˆ›แ‹ตแˆจแŒ แŠ แˆตแˆแˆ‹แŒŠ แˆ˜แˆ†แŠ‘แŠ• แˆ˜/แ‰คแ‰ต แˆฒแ‹ซแˆแŠ•แ‰ แ‰ต แ‹จแ‹‹แŒ‹ แˆ›แˆตแ‰ฐแŠซแŠจแ‹ซ แˆŠแ‹ซแ‹ฐแˆญแŒ แ‹ญแ‰ฝแˆ‹แˆแข

๐Ÿ“Œ 6 แ‹ˆแˆซแ‰ต แŠฅแŠ“ แŠจแ‹šแ‹ซ แ‰ แˆ‹แ‹ญ แˆˆแˆšแ‰†แ‹ญ แ‰ แˆ›แ‹•แ‰€แ แˆตแˆแˆแАแ‰ต แˆˆแˆšแˆแŒธแˆ แŒแ‹ฅ แ‹ฐแŒแˆž แ‹แˆ‰ แ‰ฐแˆแƒแˆš แˆ˜แˆ†แŠ• แŠจแŒ€แˆ˜แˆจแ‰ แ‰ต แŠจแˆถแˆตแ‰ต แ‹ˆแˆซแ‰ต แ‰ แŠ‹แˆ‹ แˆˆแˆšแŠ–แˆจแ‹ แ‹จแ‹‹แŒ‹ แˆˆแ‹แŒฅ แˆ›แˆตแ‰ฐแŠซแŠจแ‹ซ แ‹ญแ‹ฐแˆจแŒ‹แˆแข

@etconp
โค9๐Ÿ‘4
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๐Ÿทแ‹จแŒแŠฅแ‹แŠ• แ‰‹แŠ•แ‰‹ แ‰  แฒแฌ แ‹™แˆฎแ‰ฝ แŠฅแˆตแŠซแŠนแŠ• แˆˆแ‰ฅแ‹™ แˆบแˆ• แ‰ฐแˆ›แˆชแ‹Žแ‰ฝ แ‰ แ‰€แˆ‹แˆ แˆ˜แŠ•แŒˆแ‹ต แˆ›แˆตแ‰ฐแˆ›แˆญ แ‰ฐแ‰ฝแˆแˆแข แŠ แŠนแŠ• แ‹ฐแŒแˆž แ‰ แฒแญแŠ› แ‹™แˆญ แ‰ แ‰ดแˆŒแŒแˆซแˆ แˆˆแŠนแˆˆแ‰ต แ‹ˆแˆซแ‰ต ( แŠจแˆแˆแˆŒ แฉ แŠฅแˆตแŠจ แАแˆแˆด แดแฅ แณแปแฒแฏ แ‹“.แˆ. แ‰ แ‰ฐแˆ˜แŒฃแŒฃแŠ แŠญแแ‹ซ แˆˆแŒ€แˆ›แˆช แ‰ฐแˆ›แˆชแ‹Žแ‰ฝ แ‹จแˆšแŠพแŠ• แ‰ตแˆแˆ…แˆญแ‰ต แˆˆแˆ˜แˆตแŒ แ‰ต แˆตแˆˆแ‰ณแˆฐแ‰  แ‰ฃแˆ‰แ‰ แ‰ต แŠพแАแ‹ แ‰ แ‰€แˆ‹แˆ‰ แˆ˜แˆ›แˆญ แŠจแˆแˆˆแŒ‰ แŠ แŠนแŠ‘แŠ‘ @Philemona7 แ‹ญแˆ˜แ‹แŒˆแ‰ก

๐ŸŒบ๐ŸŒธ แŒแŠฅแ‹แŠ• แ‰ แˆญแ‰€แ‰ต ๐ŸŒบ๐ŸŒธ
โค10๐ŸŽ‰2
๐Ÿ‘‰แˆตแ‰ณแ‹ (Stirrup) แˆแŠ•แ‹ตแАแ‹?

๐Ÿ’ซA stirrup is a closed loop of rebars in a reinforced concrete component that keeps the main reinforcement (RFT) bars together.

โบStirrups may be of various types depending on the design and shape of the structural members.

โบStirrups are essential components in reinforced concrete beams, providing support and stability by resisting shear forces and preventing bending.

๐Ÿ“œHere are the common types of stirrups used in concrete beams:

โ‡๏ธ1. Standard Stirrups:

   - These are the most common type used in beams, generally shaped as closed loops or rectangles. They provide lateral support to the main reinforcement bars and help maintain proper spacing.

โ‡๏ธ2. U-shaped Stirrups:

   - These stirrups have a U shape and are typically used where reinforcement needs to be anchored at specific points. They can also enhance the shear strength of the beam.

โ‡๏ธ3. Closed Stirrups:

   - These stirrups form a complete loop. They are effective in providing confinement to the main reinforcement and improving overall structural integrity.

โ‡๏ธ4. Open Stirrups:

   - Open stirrups are used when continuous vertical spacing is required. They don't fully encircle the main reinforcement, which may be necessary in certain design scenarios.

โ‡๏ธ5. Tied Stirrups:

   - These incorporate ties to hold the stirrups in place, ensuring they do not shift during concrete pouring. They can provide additional stability to the structure.

โ‡๏ธ6. Spiral Stirrups:

   - Used in columns but sometimes applied in beams, spiral stirrups provide uniform confinement and enhance the ductility of concrete.

โ‡๏ธ7. Variable Stirrups:

   - These stirrups can change in size or spacing along the length of the beam, accommodating varying shear stresses at different points.

โ‡๏ธ8. Lapped Stirrups:

   - Used where additional length is needed to connect stirrups with spacing issues. They maintain structural integrity while easing construction.

โ‡๏ธ9. Diagonal Stirrups:

   - Sometimes employed for specific shear reinforcement needs, these may be positioned at an angle within the beam to better accommodate shear forces.

๐ŸŽฒThe type of stirrup to use often depends on the design requirements, load considerations, and specific codes or standards being followed.

โบAlways refer to project specifications and engineering guidelines for the appropriate choice!

โบIf you donโ€™t provide proper specifications of stirrups, spacing in the construction building may collapse, so the designer should preferably specify the spacing of the stirrups along with the structure.

@etconp
โค19๐Ÿ‘8
แ‹จแŒแ‹ดแˆซแˆ_แˆ˜แŠ•แŒแˆฅแ‰ต_แ‹จแŒแ‹ฅ_แŠ แˆแƒแ€แˆ_แˆ˜แˆ˜แˆชแ‹ซ_.pdf
3.4 MB
๐Ÿ‘‰แ‹จแŒแ‹ดแˆซแˆ แˆ˜แŠ•แŒแˆฅแ‰ต แ‹จแŒแ‹ฅ แŠ แˆแƒแ€แˆ แˆ˜แˆ˜แˆชแ‹ซ แ‰แŒฅแˆญ 1073/2017

๐Ÿ’ซFEDERAL PUBLIC PROCUREMENT DIRECTIVE NO. 1073/2025

โœ… แ‰ แŠ แˆ›แˆญแŠ›แŠ“ แ‰ แŠฅแŠ•แŒแˆŠแ‹˜แŠ› แ‰‹แŠ•แ‰‹แ‹Žแ‰ฝ แ‹จแ‰ฐแ‹˜แŒ‹แŒ€แ‹ แŠฅแŠ“ 244 แŒˆแ†แ‰ฝ แ‹จแ‹ซแ‹˜แ‹ แŠ แ‹ฒแˆฑ แˆ˜แˆ˜แˆชแ‹ซ แ‰ แŒแ‹ฅแŠ“ แŠ•แ‰ฅแˆจแ‰ต แ‰ฃแˆˆแˆตแˆแŒฃแŠ• แ‹ญแ‹ แˆ†แŠ—แˆแข

โœ… แŠจแ‹šแˆ… แ‰€แ‹ฐแˆ แŠจแАแ‰ แˆจแ‹ แˆ˜แˆ˜แˆชแ‹ซ แŠ แŠ•แƒแˆญ แ‰ แ‹แˆญแ‹แˆญ แ‹จแ‰ฐแ‹˜แŒ‹แŒ€ แˆฒแˆ†แŠ• แŠจแˆ‹แ‹ญ แŠ แ‹ซแ‹ญแ‹˜แŠ•แˆ‹แ‰นแŠ‹แˆแข

@etconp
โค6๐Ÿ‘3๐Ÿ‘2๐Ÿ”ฅ1
แ‰ณแˆแˆซแ‰ต  แ•แˆŒแ‰ต แŠฅแŠ“ แŒ„แ‰ฆแˆแ‰ต แŠ แ‰…แˆซแ‰ข

๐Ÿ“Œแ•แˆŒแ‰ตแŠ“ แŒ„แ‰ฆแˆแ‰ต แ‰ แˆแˆˆแŒ‰แ‰ต แŠ แ‹ญแАแ‰ต แ‹จแ‰ฐแ‹˜แŒ‹แŒ€ แŠ แˆˆแŠ•

โ™ง แˆแˆ‰แŠ• แ‰ แŠ แŠ•แ‹ต แ‰ฆแ‰ณ แˆˆแˆแˆ‰แˆ แ‰…แˆญแ‰ฅ

โ™ง แˆแˆตแŠญแˆซแ‰ฝแŠ• แˆตแˆซแ‰ฝแŠ•

๐Ÿ“แŠขแ‰ตแ‹ฎแŒตแ‹ซ แ‹‰แˆตแŒฅ แ‹จแ‰ตแˆ แŠฅแŠ•แˆแŠญแˆŽแ‰ณแˆˆแŠ•

โ™ง แ‹ญแ‹ฐแ‹แˆ‰แˆแŠ• แ‹ซแˆ›แŠญแˆฉแŠ•

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โค2๐Ÿ”ฅ1