scholarly journals The Burial Under Peat Technique: An Innovative Method to Restore Sphagnum Peatlands Impacted by Mineral Linear Disturbances

2021 ◽  
Vol 9 ◽  
Author(s):  
Kathy Pouliot ◽  
Line Rochefort ◽  
Marie-Claire LeBlanc ◽  
Mélina Guêné-Nanchen ◽  
Alexandre Beauchemin
Keyword(s):  
Chemical Elements ◽  
Cost Effective ◽  
Organic Soil ◽  
Physicochemical Characteristics ◽  
Point Of View ◽  
Drainage Ditches ◽  
The Road ◽  
Mineral Material ◽  
Cost Effective Method ◽  
New Material

Mineral roads in peatlands change the nature of the substrate, influence the water table level of the peatland on either side of the road and the physicochemical characteristics of the water and peat. These changes can in turn affect plant community composition. The efficiency of an innovative and affordable method for the restoration of peatlands impacted by roads was evaluated: the Burial Under Peat Technique. To be considered effective from an ecological point of view, the technique should meet restoration goals by 1) confining the chemical elements and compounds potentially leaching from the mineral material; 2) creating and maintaining a restored surface elevation similar to the adjacent peatland for optimal rewetting; and 3) re-establishing typical peatland vegetation communities. Three years post-restoration, water sampled at various depths and distances to the buried road presented chemical elements and compounds concentrations similar to the means measured in the pristine surrounding peatland for most of the ions analyzed. The different steps of the technique ensured the reestablishment of an elevation similar to the surrounding peatland. The return of peatland plant communities was slow, mainly due to local factors (e.g., presence of drainage ditches). Furthermore, the Burial Under Peat Technique fulfilled the restoration objectives in re-establishing an acid organic soil. Finally, it is a cost-effective method in comparison to completely removing the mineral material and transporting new material to fill the depression left by the excavation of the road.

scholarly journals Pedestrian-safer IoT-based Smart Crossing System with Object Tracking

2020 ◽  
Vol 9 (1) ◽  
pp. 1948-1953
Keyword(s):  
Object Tracking ◽  
Cost Effective ◽  
Point Of View ◽  
The Internet ◽  
Road Accidents ◽  
The Road ◽  
On The Road ◽  
Road Crossing ◽  
The Internet Of Things ◽  
Populous Country

In the field of technical research the Internet of Things (IoT) has become an interesting topic. The device is interconnected over the internet. We usually think of IoT in terms of independently owned cars and smart homes, but in extreme practical matters one of the best applications of IoT technology. In many disciplines, IoT is increasing rapidly from a technical point of view, in particular with the smart crossing system. In the meantime, it is a very populous country in Bangladesh. A lot of people cross the street every day. A lot of wide roads are to be crossed in Bangladesh. Even dead troubles. There is a lot of vehicles on the lane. There are many wide roads in Bangladesh that are a lot to cross. Troubles, even dead ones. Many vehicles are on the road. Bangladesh is also a developing country, and the laws of road crossing are not very strict, in which case it is very important to have a pedestrian-safer IoT-based smart crossing system with object tracking. Often people are facing an accident, in particular school children have trouble crossing the road, old people face the same problem. A cost-effective solution to this issue is the key contribution of this paper using a simple framework based on Arduino UNO R3. The device is fully autonomous and can calculate the planned parameters of a pedestrianized IoT-based, smart crossing platform with object tracking in an efficient way. Ultrasonic sensors and one IR sensor were used for measuring the parameters needed for the device. Moreover, in Bangladesh this program is more important and essential. This smart crossing system detects people as well as reduce road accidents.

scholarly journals Evaluation of Prospective Use of Existed CFRP-Strengthened Concrete Pipes in Forest Areas: Assessment of Their Structural Stability and Possible Re-Use

2021 ◽  
Vol 13 (9) ◽  
pp. 4947
Author(s):  
Rigas Giovannopoulos ◽  
Konstantinos Katakalos
Keyword(s):  
Structural Damage ◽  
Cost Effective ◽  
Stress Tests ◽  
Heavy Vehicles ◽  
The Road ◽  
Concrete Pipes ◽  
Reinforced Polymer ◽  
Cost Effective Method ◽  
Water Pipelines ◽  
Closed Water

Forest traffic networks receive considerable structural stress from supporting heavy vehicles and machinery. Usually, in forest areas, artificial waterways are constructed on the side of the road and feature open constructions, so that solid materials blocking the waterways may be easily cleared. The use of closed bridges at vehicle crossing points, though infrequent, necessitates the use of installing closed water pipelines of large diameters. However, these closed, reinforced concrete (RC) water pipelines suffer structural damage over time. Here, we propose the strengthening of existed old concrete pipes using sheets of carbon fiber reinforced polymer (CFRP) at increasing levels. The assessment of the results, which were conducted in ABAQUS, is done in light of the stress tests and suggests that the use of a simple, cost-effective method, such as the installation of composite materials, can potentially increase the structural strength of these pipes and allow their re-use for forest roads.

scholarly journals Increasing the uniformity of road surface loading to extend its service life

2020 ◽  
Vol 17 (2) ◽  
pp. 138-144
Author(s):  
R. V. Andronov ◽  
◽  
B. P. Elkin ◽  
Keyword(s):  
Service Life ◽  
Asphalt Concrete ◽  
Cost Effective ◽  
Point Of View ◽  
The Road ◽  
Optimal Value ◽  
Scientific Substantiation ◽  
Research Experiment ◽  
On The Road ◽  
Pilot Implementation

The study reveals the problem of heterogeneous loading of road surfacing with vehicle wheels, which leads to the rapid appearance of rutting on the road within 2-3 years and increases the burden on the budgets of the road sectors of cities, regions and the country. The most cost-effective way of extending the service life of road surfacing is presented, namely, periodic shifting of the rolling strips (PSRS), which has passed the stages of research, experiment and the beginning of pilot implementation, but it has not yet found a wide application. The authors review the materials of research on asphalt concrete on rutting testers, asphalt concrete surfacing on the tracks and beyond them, as a scientific substantiation for engineering innovation. The optimal value of the periodic road markup offset is determined from the point of view of probability theory. It is proposed to actively apply the PSRS method on the roads of cities and regions in different climatic zones.

Strength and Swelling Properties of Solidified Dredged Materials

2011 ◽  
Vol 261-263 ◽  
pp. 812-815
Author(s):  
Dong Xing Wang ◽  
Rachid Zentar ◽  
Nor Edine Abriak
Keyword(s):  
Road Construction ◽  
Treatment Method ◽  
Point Of View ◽  
Engineering Properties ◽  
Swelling Properties ◽  
The Road ◽  
New Material ◽  
Traditional Approaches ◽  
The Impact

In the context of sustainable development, traditional approaches such as ocean dumping and inland deposit are unsatisfactory for managing such large quantity of dredged marine sediments. The solidified sediments with cement as a new material for road construction are preferred to resolve the present issue for minimizing the impact to environment. Based on the basal characterization of dredged sediments, a series of tests, such as compaction tests, compressive strength and tensile strength tests and swell tests, are performed to explore the engineering properties of treated materials. The compressive and tensile strengths increase with cement content and curing time, while the swell percents of sediments decrease after immersion in water for 4 days. And this treatment method could be considered adaptive and acceptable for the road construction from the point of view of swelling property. Finally, the I-CBR index of cement-treated sediments increases due to the flocculation and cementation compared to the I-CBR index before immersion.

scholarly journals Costs of road transport depending on the type of vehicles

2015 ◽  
Vol 162 (3) ◽  
pp. 85-90
Author(s):  
Marianna JACYNA ◽  
Mariusz WASIAK
Keyword(s):  
Cost Effective ◽  
Road Transport ◽  
Point Of View ◽  
Transport Service ◽  
Transport Costs ◽  
Factors Affecting ◽  
The Road ◽  
Emission Standards ◽  
Cost Components

The article presents analysis of the road transport costs with regard to the types of vehicles. Discussed problem is important from the point of view of both the carrier and the company engaged in the organization of transport. The classification of costs in road transport significantly dependent on the types of used vehicle is presented. The factors affecting individual cost components with regard to the vehicles’ value, the permissible total weight, type of engine and fuel are defined. Selected components of the costs are enhanced by original analytic formulas with given examples of their values under fixed parameters of realized transport service. The participation of selected components of costs in total costs of transport and their impact on the costs of transportation are investigated. Considerations are illustrated by numerical example which examined road transport carried out in relation Mszczonów (PL) – Hamburg (DE) by one driver. Examined variants are based on vehicles meeting Euro standard III, IV, V and VI. As it was shown, the most cost-effective variant in discussed transport relation uses vehicles with highest emission standards.

CAD Of Anticorrosive Protection Of Steel Structures

2019 ◽  
pp. 18-23
Keyword(s):  
Protective Coating ◽  
Computer Aided Design ◽  
Steel Structures ◽  
Cost Effective ◽  
Operating Conditions ◽  
Computational Tool ◽  
Protection Method ◽  
Cost Effective Method ◽  
The Cost ◽  
Aided Design

The choice of cost-effective method of anticorrosive protection of steel structures is an urgent and time consuming task, considering the significant number of protection ways, differing from each other in the complex of technological, physical, chemical and economic characteristics. To reduce the complexity of solving this problem, the author proposes a computational tool that can be considered as a subsystem of computer-aided design and used at the stage of variant and detailed design of steel structures. As a criterion of the effectiveness of the anti-corrosion protection method, the cost of the protective coating during the service life is accepted. The analysis of existing methods of steel protection against corrosion is performed, the possibility of their use for the protection of the most common steel structures is established, as well as the estimated period of effective operation of the coating. The developed computational tool makes it possible to choose the best method of protection of steel structures against corrosion, taking into account the operating conditions of the protected structure and the possibility of using a protective coating.

POTENTIALLY TOXIC CHEMICAL ELEMENTS OF SHALE PLAYS – ECOLOGICAL THREAT TO THE ENVIRONMENT

2020 ◽  
Author(s):  
Svetlana Punanova
Keyword(s):  
Chemical Elements ◽  
Organometallic Compounds ◽  
Cost Effective ◽  
Potentially Toxic Elements ◽  
Shale Oil ◽  
Toxic Chemical ◽  
Horizontal Drilling ◽  
Soil Layers ◽  
Valuable Metals ◽  
Economic Use

This research considered the content of trace elements (TE), including potentially toxic elements (PTE) in shale plays and deposits in various regions of the world. Their comparative analysis was carried out and the highest concentrations of PTE in the shales of some regions were revealed. The author notes that the destruction of organometallic compounds occurs during the development of shale hydrocarbon (HC) using horizontal drilling with hydraulic fracturing – injecting large volumes of chemicals while increasing the temperature. During such destruction processes, PTE can escape into the environment: into groundwater, soil layers, and other objects of economic use, and also deteriorate well equipment. In connection with the noted environmental hazards present during the development of shale HC, this paper proposes to monitor the content of TE in both shale rocks as well as in extracted shale oil in order to mitigate the risks of their release into the environment. In addition, developers and scientists should consider the losses of industrially significant volumes of valuable metals that occur due to the lack of cost-effective technologies for their capture and extraction from naphthides.

Monitoring effluent quality in hypertrophic wastewater reservoirs using remote sensing

1996 ◽  
Vol 33 (8) ◽  
pp. 23-29 ◽  
Author(s):  
I. Dor ◽  
N. Ben-Yosef
Keyword(s):  
Water Quality ◽  
Theoretical Model ◽  
Principal Component ◽  
Cost Effective ◽  
Operational Parameters ◽  
Effluent Quality ◽  
Optical Images ◽  
Routine Monitoring ◽  
Cost Effective Method ◽  
Wastewater Quality

About one hundred and fifty wastewater reservoirs store effluents for irrigation in Israel. Effluent qualities differ according to the inflowing wastewater quality, the degree of pretreatment and the operational parameters. Certain aspects of water quality like concentration of organic matter, suspended solids and chlorophyll are significantly correlated with the water column transparency and colour. Accordingly optical images of the reservoirs obtained from the SPOT satellite demonstrate pronounced differences correlated with the water quality. The analysis of satellite multispectral images is based on a theoretical model. The model calculates, using the radiation transfer equation, the volume reflectance of the water body. Satellite images of 99 reservoirs were analyzed in the chromacity space in order to classify them according to water quality. Principal Component Analysis backed by the theoretical model increases the method sensitivity. Further elaboration of this approach will lead to the establishment of a time and cost effective method for the routine monitoring of these hypertrophic wastewater reservoirs.

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