Applications of Nano Technology in Civil Engineering

Shamim, Arslan; Ahmad, Sajjad; Khitab, Anwar; Anwar, Waqas; Khushnood, Rao Arsalan; Usman, Muhammad

doi:10.4018/ijose.2018010104

Cited by 12 publications

(5 citation statements)

References 66 publications

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“…In the process of building an innovative model of civil construction engineering management based on construction concepts, it is very important to choose the appropriate construction principles [19][20]. The basis for selection of the principles of comprehensiveness, flexibility and operability will be explained and analyzed below.…”

Section: Principles and Methods Of Constructing Innovative Models Of ...mentioning

confidence: 99%

Innovation Model of Civil Construction Engineering Management Based on Construction Concept

2023

ieim

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Civil engineering is a complex and huge system engineering, which requires collaborative cooperation involving multiple fields and specialties. The traditional civil engineering management model has some difficulties and challenges in project schedule control, quality management and cost control. In order to improve the management effect and project performance of civil construction engineering, it is necessary to introduce an innovative management model, that is, an innovative model based on construction concepts. The analysis of the innovative model of civil construction engineering management based on the construction concept in this paper aims to optimize resource scheduling, improve the accuracy and implementability of construction plans by introducing advanced technologies and methods, thereby improving project management efficiency, enhancing project quality control, reducing costs and risks, and facilitate information sharing and collaboration. According to the experimental results, it can be known that the performance of the innovative model of civil construction engineering management based on the construction concept is also very good, and the effects in project schedule control, quality management effect, and cost control are all good. The innovative model based on the construction concept has promoted the transformation and progress of the management concept of civil construction engineering, and stimulated the innovation vitality of the industry. This not only helps to improve the competitiveness of the industry, but also provides a practical basis and reference experience for technical research and development in related fields.

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Section: Principles and Methods Of Constructing Innovative Models Of ...mentioning

confidence: 99%

Innovation Model of Civil Construction Engineering Management Based on Construction Concept

2023

ieim

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“…Understanding the kind and characteristics of the aggregate used to create concrete is essential in order to forecast how the concrete's characteristic will be in practice. Numerous studies on subjects related to concrete, including self-compacting concrete [8] the incorporation of various natural and synthetic fibers [9,10] nanomaterials [11] and waste materials [12][13][14] have been conducted in the past.…”

Section: Introductionmentioning

confidence: 99%

Utilization of response surface methodology in optimization of locally sourced aggregates

Ogunjiofor¹,

Ayodele²

2023

5003

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This research investigated the optimization of locally sourced aggregate, mixed with variable cement ratios to determine its optimum compressive strength. Samples of standard sizes of local fine and coarse aggregate were obtained at the popular excavation sites. The concrete materials were weighed, batched, mixed, cast and cured using four different mix proportions of 1:2:4, 1.2:2:4, 1.4:2:4 and 1.6:2:4 of cement, fine and coarse aggregate at constant water/cement ratio of 0.5. A total of 48 concrete cubes of 150mmx150mmx150mm were produced, cured for 7, 14, 21 and 28 days and tested. Mathematical model equation relating the compressive strength of the local stone with variability of cement was developed using Response Surface Methodology (RSM). The significance and suitability of the equation was confirmed using the analysis of variance (ANOVA). The ANOVA for the quadratic and Surface Cubic model shows that the adjusted R2 of 0.9808 and F-value of 227.76 in compressive strength of the concrete is confidently accounted for by the independent variable. This demonstrates that the equation's predictions of compressive strength for various concrete structures are accurate. Therefore, utilization of local aggregate is advised for the construction of most of the dominant low-rise residential buildings in Anambra and other neighbouring States.

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“…It is a heterogeneous material consists of fine and coarse aggregate bonded together with a cement paste that hardens over time. In the past, several researches have been carried out on concrete related topics such as self compacting concrete [3,4], incorporation of different natural [5] and artificial fibers [6], nanomaterials [7], waste materials [8][9][10] etc. Apart from water and binder, aggregate also governs the properties of concrete [11].…”

Section: Introductionmentioning

confidence: 99%

Experimental Investigation of Concrete Properties using Locally available Coarse Aggregates in Punjab, Pakistan

Khan¹,

Shah²,

Usman

2022

NUST J. Eng. Sci.

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Concrete is the most widely used construction material worldwide. The concrete mainly consists of cement, water, fine aggregate(FA), and coarse aggregate(CA).CA is the main constituent of concrete in terms of weight and volume. The properties of CA can affect the fresh and mechanical properties of concrete. In the present study, CA from three different sources (Sargodha, Mangla, and Margalla) are used in three different mixes of grade M-20 (1:1.5:3) concrete. The FA aggregate source (Chenab) is kept the same in all three mixes with constant w/c=0.5. It is observed that the fresh properties of concrete with Margalla and Sargodha CA are better compared to the Mangla source aggregate. This is because the CA of both the sources is relatively smooth in shape compared to the Mangla source that improves the flowability of concrete. While the lesser flowability of the Mangla source concrete is due to CA used is flaky, elongated, and has high absorption. The mixes with Margalla and Sargodha aggregate also performed slightly better in terms of mechanical properties. But overall, a significant difference occurred in the fresh properties of mixes compared to mechanical properties. Hence, it can be said that in normal strength concrete the different sources of aggregate mainly affect the fresh properties of concrete.

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Applications of Nano Technology in Civil Engineering

Cited by 12 publications

References 66 publications

Innovation Model of Civil Construction Engineering Management Based on Construction Concept

Innovation Model of Civil Construction Engineering Management Based on Construction Concept

Utilization of response surface methodology in optimization of locally sourced aggregates

Experimental Investigation of Concrete Properties using Locally available Coarse Aggregates in Punjab, Pakistan

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