Mai sau m-ai. Când se scrie cu cratimă și când legat

Mai sau m-ai – când și cum se scrie corect. Ambele forme sunt corecte, însă acestea se folosesc în situații și cu înțelesuri diferite. Când se scrie mai. Se scrie mai legat când este un adverb ce servește la formarea gradului comparativ: mai bun. Sau când este folosit la formarea gradului superlativ: cel mai bun.

Potential use of microsilica in concrete: a critical review

This paper represents the critical literature review on the partial use of microsilica in concrete and the potential outcomes of microsilica induced concrete. Physical properties of Microsilica...

Review of materials used in light weight concrete

Textile Waste Fibers, Textile Mesh Glass Fibers used in this research. Bending and compressive samples of lightweight concrete were examined in this study. Perlite lightweight concrete with a core of textile waste fibre was used only for the experimenting bending behaviour. The use of the fiber core and increase in its …

What is the Basis for Selection of Concrete Mix Proportions?

The characteristics that form basis for proportioning concrete mixture involves: Economy. Strength. Durability. Placeability. 1. Economy in Producing Concrete. The major motivation to rigorously proportioning concrete mixture is the economy. The best economy can be obtained by declining cement quantity used or replacing concrete with low cost ...

A Study on Adiabatic Temperature Rise Test and Temperature

In the present study, we investigate the effect of the adiabatic temperature rise property of rock-fill concrete (RFC) on the temperature stress and crack resistance of RFC gravity dams. We conducted tests on the adiabatic temperature rise of RFC with a rock-fill ratio of 42%, 49%, and 55%, respectively. Based on the …

Development of deep neural network model to predict the …

Almaleeh et al. [28] show that with 25% of concrete aggregates as waste rubber, the density of concrete is reduced by 15%. The reduction of density may be advantageous for rubber concrete products; therefore, rubber concrete is widely accepted in civil engineering applications.

MAI® high-performance 3D-concrete, mortar, …

For perfect results from 3D concrete turn to the MAI ® range of 3D machines. Instantly clean, durable and robust MAI ® CODUR scores top marks in terms of efficiency, cleanliness and durability during …

Sàn bê tông mài là gì? [THÔNG TIN ĐẦY ĐỦ TỪ A …

Hình ảnh sàn mài bóng . Đánh bóng sàn là thi công lên bề mặt có sẵn nên không hợp với những bề mặt thiếu hoàn hảo như cũ, nứt, hư hỏng hay không đủ độ cứng (từ 350- 450 mác). #2. Sàn mài nhám. …

3D equipment from MAI for the construction industry

The MAI®MULTIMIX-3D is a special purpose mortar mixing pump that sets new standards in process security thanks to its innovative water and dry material management system. This mobile mixing pump for 3D concrete offers a permanent and dependable material consistency flow rate that is adjustable from 2 to 30 l/min via an external interface.

Xuan Mai modernizes building construction in Vietnam

When the Vietnamese construction company Xuan Mai wanted to modernize its production processes and create better, more durable buildings, the use of lightweight precast concrete partition walls became central to its vision. Elematic Acotec is a technology for light, non-load bearing, room-high partition wall panels.

(PDF) Finite Element Modelling of CFRP wrapped Concrete …

Mai, A. D. Sheikh, M. N. & Hadi, M. N. 2019. Performance . ... Concrete sections may be subjected to compressive loads in a concentrated part of the total area. The bearing strength of concrete is ...

Development of deep neural network model to predict the …

DOI: 10.1016/J.CONBUILDMAT.2021.124081 Corpus ID: 237666246; Development of deep neural network model to predict the compressive strength of rubber concrete @article{Ly2021DevelopmentOD, title={Development of deep neural network model to predict the compressive strength of rubber concrete}, author={Hai-Bang Ly and …

Prediction Compressive Strength of Concrete Containing GGBFS

Improvement of compressive strength prediction accuracy for concrete is crucial and is considered a challenging task to reduce costly experiments and time. Particularly, the determination of compressive strength of concrete using ground granulated blast furnace slag (GGBFS) is more difficult due to the complexity of the composition mix …

Mai concrete construction LLC. | Dubuque IA

Mai concrete construction LLC., Dubuque, Iowa. 815 likes · 1 talking about this. Fully insured/licensed. we specialize in all poured concrete flatwork such as interior finished floo

VNT | Một số thuật ngữ Tiếng Anh chuyên ngành thường …

Bê tông mác thấp: Low-grade concrete resistance. Bê tông mài mặt: Rubbed concrete. Bê tông mặt ngoài(công trình): Exposed concrete. Bê tông mau cứng: Early strenght concrete. Bê tông mịn: Fine concrete. Bê tông mới đổ: Green concrete. Bê tông nặng: Dense concrete/Heavy concreteHeavy weight concrete

3D equipment from MAI for the …

Meet the MAI® 3D concrete range. Talk to MAI® about 3D concrete and find out more about our cutting-edge technology for 3D applications. Easy to use and powerful 3D concrete machines …

MAI International | LinkedIn

MAI International offers our customers high-quality industrial products in the fields of 3D-concrete , mortar production, mixing, grouting and conveying technology. MAI products ...

A comparative assessment of tree-based predictive models …

Three tree-based machine learning methods, namely, Radom Forest (RF), Decision Tree (DT), and Extreme Gradient Boosting (XGBoost), were developed based on experimental databases considering fourteen key factors of FA-GPC, and indicated that X GBoost outperformed other methods, as proved by excellent prediction metrics. Fly ash …

Vibrational behavior of cross-laminated timber-concrete composite beams

In the case of the CCC floor, Mai et al. [10] found that the fundamental frequency of CLT floors could increase significantly by adding 100 mm concrete topping along with a shear connector system. Recently, in terms of human-induced vibration response of TCC floor, Xie et al. [15] conducted dynamic experiments to analyze the …

Advantages and Disadvantages of Concrete

concrete is a material that is lightweight, easy to work with, and easy to finish. . concrete is a material that is lightweight and easy to work with. For a home improvement project such as building a deck or other area on the property, concrete can be a wise choice. The concrete has higher resistance to freezing …

Negative Poisson's ratio design, static mechanical properties …

The negative Poisson's ratio fiber reinforced concrete (NPR-FRC) was prepared using a new type of negative Poisson's ratio fiber (NPRF), with PVA fiber as the core and carbon fibers as the wrapping fibers by spiral treatment. The NPR-FRC's compressive strength, splitting tensile strength, and flexural toughness were tested and …

Solved Acertain type of concrete mai dewoned to withstand …

Acertain type of concrete mai dewoned to withstand 3000 pounds per un inch of prevur The contes poured into cativa nord lowed to set for 28 day. The doctuto's night is then measured. The following data represent the strength of nine randomly dow) Compute the mean, modin and modesting of the concreto in pol 3050 4000 3100 3100 2070 3020 4000 ...

What is the Basis for Selection of Concrete Mix …

Reading time: 3 minutes. The decision on selecting concrete mixture proportion is the process of optimizing number of favored properties …

Predicting compressive strength of concrete with fly …

Concrete is certainly among the most frequently used building materials in the world, mostly because of its adaptability and capacity to offer structural strength and …

Tensile modeling of steel fiber reinforced concrete

The use of steel fiber reinforced concrete (SFRC) as a structural material has shown an ever-increasing growth. Steel fibers have a significant effect on the mechanical properties of reinforced concrete, especially on its tensile behavior. For SFRC modeling, it is necessary to determine the stress–strain equations. Due to the complexity …

Enhancing Compressive strength prediction of Roller Compacted concrete

DOI: 10.1016/j.measurement.2023.113196 Corpus ID: 259414916; Enhancing Compressive strength prediction of Roller Compacted concrete using Machine learning techniques @article{ThiMai2023EnhancingCS, title={Enhancing Compressive strength prediction of Roller Compacted concrete using Machine learning techniques}, …

Advantages and Disadvantages of Concrete

The strength of FC is determined by different cementitious materials, cement dosage, mix proportion, water-cement ratio, volume, ing agent, curing method, …

Tìm hiểu về bê tông áp khuôn

(2) Độ bền và chịu mài mòn cao. Các yếu tố môi trường, thời tiết, bụi bẩn và giao thông có thể ảnh hưởng đến màu sắc của bê tông áp khuôn (Stamped Concrete) nhưng có thể giảm thiểu bất kỳ sự thay đổi màu sắc nào bằng cách làm sạch và hàn lại bê tông định kỳ ...

Competenţele – temă pentru schimbarea de paradigmă în …

Schimbarea de paradigmă şi dezvoltarea de curriculum nu trebuie limitată la înlocuirea de termeni (obiective – competenţe) şi trebuie să depăşească barierele schimbării, acţionând ca un filtru, însă fără a limita percepţia asupra realităţii înconjurătoare. Referinţe bibliografice: - Manolescu, M. (2015). Referenţialul ...

Soapstone Mist Concrete Quartz

Soapstone Mist. ®. - Concrete Finish. Soapstone Mist ® Concrete Quartz features a dove gray background with long, thin white veins. With the look of soapstone in a concrete finish, it's a durable, easy-to-clean quartz ideal for quartz countertops, walls, and more in both residential and commercial spaces. The opportunities to create a ...

MAI® 3D Mortar Mixing Pump

MAI® MULTIMIX-3D – Flow Rate (Litre / Minute) 8 kW –– 400V –– 3Ph/N/PE/50Hz; Type of Worm Pump – 24L – 60 – 320 rpm – 1,5 – 8 l/min ... This mobile mixing pump for 3D concrete promises permanent and dependable material consistency with an adjustable flow rate of between two and 30 l/min. High levels of process ...

Toward improved prediction of recycled brick aggregate concrete

The results demonstrate that utilizing the best architecture [8–14–4–1] among the 240 investigated architectures, and the best ANN model, is a very efficient predictor of the compressive strength of concrete using GGBFS, with a maximum R2 value of 0.968 on the training part and 0.965 on the testing part.

Dynamic analysis of precast ultra-high performance concrete …

Advanced concrete materials like UHPC (Ultra-High Performance Concrete) have attracted interest recently. Its better qualities than conventional concrete have been documented in numerous investigations, including greater compressive strength, increased tensile strength, and improved durability (Li and Wu, 2018).In terms of its …

(PDF) Longitudinal shear transmission of anchor channels into concrete

forces to th e concrete mai nly by the anchor s. While. generally accepted load distribution models have been. developed for tensile and transverse shear loads, 5,6. the.

MAI Construction LLC | Better Business Bureau® Profile

Location of This Business. 2185 Marion St, Dubuque, IA 52003. Email this Business. BBB File Opened: 11/9/2015.