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Construction Applications - Science topic

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There is nothing worse for curb appearance than chipped and cracked concrete, particularly in steps. But you don’t have to put up with that blight any longer. By the result of weather changes exerted on an existing construction for prolonged time, it causes contraction and expansion those gradually results concrete steps cracks and break up with time.
Dear researchers, I would like to get expert opinions on how to fix this issue with,
optimum efficiency
low cost
prolonged sustainability .
Your answers are highly welcomed.
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Dear Doctor
Go To
Cracks Evaluation of Reinforced Concrete Structure: A Review
hmad Zaki et al. 2021 J. Phys.: Conf. Ser. 1783 012091
"Abstract
Many reports state how serious the problems associated with cracking in reinforced concrete (RC) structures worldwide. The cracking can cause damage and destruction to RC structures. The cracks are the damage to RC structures that require repair or replacement. Analysis of the damage level as early as possible on the RC structure cracks can reduce the greater impact and streamline the cost of repairing the concrete structure. Therefore, non-destructive testing (NDT) method is needed on the RC structure, namely: visual inspection technique. The image obtained from the visual inspection is then analyzed using image processing. After that, the concrete structure with cracks is tested for quality (compressive strength) using the rebound hammer technique with a rebound index. From the image processing and rebound index results, the damage from the cracks that occurred can be concluded so that the repairs become more effective and efficient."
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Complex graphical sketches are highly involved in Culmann's methods. Therefore, it is highly prone for getting deviations in magnitudes for resultant pressure on retaining wall. I would like to get suggestions from RG colleagues on why Culmann's graphical approach is mostly preferred in many research papers albeit Rankine's method is easy and precise in terms of equations and substitutions. I would welcome answers from both theoretical and practical perspectives.
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Rankine theory is specific to vertical and smooth wall. But culmann's graphical approach is also for inclined wall. I think this is major cause of choosing Culmann's graphical approach over Rankine theory.
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The concept of Circular Economy (CE) in the Construction Industry (CI) is mainly about the R-principles: Rethink, Reduce, Reuse, Repair, and Recycle. Thus, if the design stage following an effective job site management would include consideration of the whole lifecycle of the building with further directions of the possible use of the structure elements, the waste amount could be decreased or eliminated. Analysis of the current literature has shown that CE opportunities in CI are mostly linked to materials reuse. Other top-researched areas include the development of different circularity measures, especially during the construction period.
In the last decade, AI merged as a powerful method. It solved many problems in various domains, such as object detection in visual data, automatic speech recognition, neural translation, and tumor segmentation in computer tomography scans.
Despite the broader range of works on the circular economy, AI was not widely utilized in this field. Thus, I would like to ask if you have an opinion or idea on how Artificial intelligence (AI) can be useful in developing or applying circular construction activities?
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Very welcome. :)
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Dears,
The following questionnaire is a part of my Ph.D. Thesis Degree in Civil Engineering and Construction from University of Bolton, UK.
You are kindly requested to reply to the following questions with a level of accuracy. Thanks a lot for your highly appreciated support. Furthermore, please share the questionnaire with your communities.
Sincerely Ashraf Ibrahim Nasr Elhendawi
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Participated in the questionnaire survey, Asharf. Good Luck and best wishes for your thesis and letting me know your email address and so, I can also share the questionnaire that I will develop to you via emails for the data collection, Ashraf Elhendawi .
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Cement has been in human use throughout history, and due to its binding nature, it is regarded as the backbone of the construction industry. A recent edition of the journal Nano Energy published the results from major breakthrough research conducted by engineers from Incheon National University, Kyung Hee University, and Korea University. The researchers have invented a cement-based composite (CBC) that can be used in concrete to develop electrical properties without affecting its structural performance. But what if cement could be used to generate electricity?
Any ideas from researchers?
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Researcher Details- Name- Thrushna Nallapati Email- P2612377@my365.dmu.ac.uk The researcher named above would like to invite you to take part in a research study. Before you decide whether to take part it is important for you to understand why the research is being done and what it will involve. Please take time to read the following information carefully to decide whether you wish to take part or not. If you wish to, please discuss this with friends and relatives. If there is anything that is not clear or if you would like more information, please ask the researcher named above. This study aims to Identify Suitable Sustainable Materials for Greenhouse Structures. The research for this study is being undertaken by the researcher named above who is a MSc Textile Design Technology and Innovation student in Faculty of Arts, Design and Humanities at De Montfort University, Leicester. If you agree to participate we will ask you to take part in the questionnaire which will be used in the dissertation. The study will take no longer than 10 Minutes. Your Participation is appreciated. Thankyou in Advance.
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Sincere thanks dear Dr Shubham Patil, it seems interesting, you can send the message in the research gate platform!, hope can help
Good Luck!
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Dear Sir/Madam,
The following link is related to the "Civil Engineering Publication Reviewers Registration Form". If you are interested to review the Research Articles, Book Chapters, Conference Papers related to Civil Engineering and register in the following link. Thank you in advance.
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Can you please add more information about the journal? (e.g., website, journal scopes, etc)
All the best,
Alonso
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I am wondering about the state or the aftermath of using plastic waste aggregate in construction materials. Is the brick/concrete containing plastic waste do not have environmental impacts and safe to be used?
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Dear
If the mentioned chemicals are soluble in Water, then the leaching is possible through cyclic wetting and drying processs.
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Shall construction robots function independently from context factors as stand-alone products (and be designed as such) or be seen, developed, and operated as systems integrated with the context? Or both? Or none? Both directions have advantages and disadvantages of course. What is your experience/opinion on this?
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We have recently published a series of papers on tools, methodologies, and best practices for early stage R&D and technology management phases in construction. In these papers we look specifically at the "compatibility with context and ecosystem" issue.
· Structuring the context for construction robot development through integrated scenario approach: https://www.researchgate.net/publication/340313559_Structuring_the_context_for_construction_robot_development_through_integrated_scenario_approach
· Influencing factors of the future utilisation of construction robots for buildings: A Hong Kong perspective: https://www.researchgate.net/publication/338958441_Influencing_factors_of_the_future_utilisation_of_construction_robots_for_buildings_A_Hong_Kong_perspective
· A technology management system for the development of single-task construction robots: https://www.researchgate.net/publication/336589214_A_technology_management_system_for_the_development_of_single-task_construction_robots
· A methodological approach to implement on-site construction robotics and automation: a case of Hong Kong: https://www.researchgate.net/publication/324697572_A_methodological_approach_to_implement_on-site_construction_robotics_and_automation_a_case_of_Hong_Kong
Please have a look If you are interested!
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I don't know whether I have understood your topic well.I have attached a photo in which it shows a corner of masonry wall.Where you can see the bricks have overlapped each other to give better bond strength.
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 The floors in old masonry buildings can be in several materials, mainly stone (vaults), masonry (vaults), timber (beams, trusses). To "have a good connection" between a floor and the two end bearing masonry wall would mean that if ever the masonry wall will tend to fall apart, by getting one away from the other, then the floors will be capable of acting like a tie chain, because their ends are strongly anchored in the walls along all the perimeter. This is a very important detail against all sort of aging, foundations and seismic actions. This is also why so many old monuments and buildings have been equipped (well after the construction) with iron tie chains, which are so often visible on the facades. The tie chains shoudl generally tie each facade to the opposite one. To replace such an action a floor with a good connection (i.e. timber or iron keys) should be also made of a material which can resist tension (timber, iron, ropes, not masonry!). PLEASE NOTE: the corner connections are a good detail for the load bearing masonry or stone walls, but have nothing to do with floors.
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labour output rates for the following: masonry, carpentry, paints and coatings and reinforcement steel bars etc.
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For your region not, but I can send you comparatives of Latin America, does this serve you?
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We are getting a different Si/Al ratio from SEM/ EDX analysis. I want to know what the proper ratio is to fabricate the geopolymer for only constrction applications (like making beam).
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The ratio of Si/Al is important in geopolymer to be used as construction martial, you must se silicate mineral classification to classify your product and name it, such as sheet, tecto, soro silicate extra >>>>>>>>>>>>
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There were quite some catastrophic fires out-breaking in the buildings during construction in both Asian and Europe. Is there any research works carried out on the structural fire engineering and proof in the construction phase? 
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no, sorry
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How to define a suitable composite building structure of steel and concrete in various regions of the globe as per their respect material cost and labor conditions of the local construction industry? 
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you can see my artical titiled" Parametric study on equivalent damping ratio of different composite structural building systems" ,Steel and Composite Structures 02/2013; 14(4):349-365