Review of Studies on the Public–Private Partnerships (PPP) for Infrastructure Projects

Workforce planning (WP) for infrastructure projects provides a readily available pool of skilled labor that can deliver a nation’s societal needs. However, achieving a robust and reliable workforce prediction is a constant challenge, as a variety of variables and factors must be considered. Despite various forecasting techniques and approaches being developed, government’s worldwide continue to produce inaccurate forecasts and consequently fail to maintain the balanced workforce required to deliver infrastructure projects. To address this problem, a system dynamics (SD) model for the construction and civil engineering industry is developed, as traditional WP modeling
approaches are static and unable to accommodate the changing complex dynamics that influence workforce supply and demand. The
SD model is tested and used to formulate training policies that ensure workforce equilibrium and in turn, nurture sustainable infrastructure
development.

Dynamic Modeling of Workforce Planning forInfrastructure Projects

This paper attempts to study the potential of lime on strength and bearing capacity improvement of subgrade soil. The effect of soil type, different lime percentages (3, 5, 7 and 9%) and curing duration (0, 7, 14 and 28 days) on the engineering properties of soil is evaluated by conducting series of laboratory tests such as linear shrinkage, unconfined compressive strength (UCS), split-tensile strength (STS) and California bearing ratio (CBR) test. The result indicates that soil with large clay fractions needs a relatively higher percentage of lime to alter their physicochemical characteristics. Addition of lime reduced the linear shrinkage strains and increased the UCS, STS and CBR value of soil. But beyond an optimum lime content opposite trend is observed. The strength improvement of lime stabilized soil is further enhanced with curing time. Moreover, the micro-structural analyses are performed to understand the mechanisms involved in the lime stabilization process. Change in soil morphology fr...

The strength and microstructural behavior of lime stabilized subgrade soil in road construction

Improving Operation Performance of Public Rental Housing Delivery by PPPs in China

Rural roads play a pivotal role in facilitating connectivity for the rural communities by providing access for their economic and social needs. Due to lack of funding and other resources, maintenan...

Applicability of smartphone-based roughness data for rural road pavement condition evaluation

Summary The performance of a road is evaluated from time to time so as to improve its quality and helps in planning maintenance of roads. For this purpose various pavement deteriorating models as a decision tool are available. But they are not easy to use for field engineers due to either huge past data requirement or complicated calculations. Therefore, this paper presents a Pavement Performance Index for rural roads by using simple methodology. The distress parameters of rural roads were identified through literature review. Similarly rating criteria for each distress parameters were identified through literature. For final selection of distress parameters in context of Indian rural road, opinions of five highly experienced industrial experts were taken. After that the weightage for severity of each parameter causing distress of pavement is calculated by using data of questionnaire survey in which 117 professionals working in Pradhan Mantri Gram Sadak Yojana across the country were participated. The paper suggests a formula to decide Pavement Performance Index that depends on rating criterion and severity weightage of distress parameters of pavement performance. The study concluded that suggested Pavement Performance Index makes calculations easy for field engineers and will be useful to decide priority list of rural roads for repair and maintenance schedule.

Pavement Performance Index for Indian rural roads

The adoption of relational contracting (RC) has been increasingly used by parties in various developed countries as one of the innovative tools in traditional contracting to achieve benefit...

Relational Partnership in Public Construction Organizations: Front-Line Employee Perspective

Performance Evaluation of Implementation of Continuous Water Supply Projects: Two Case Studies from India☆

PurposeStakeholder assessment is based on attributes possessed by stakeholders, making the process heavily reliant on evaluating attribute weights. The present assessment methods are based on Analytical Hierarchy Process, Analytical Network Process, and pairwise comparisons that heavily rely on decision-makers’ skills and knowledge. An objective evaluation of attribute weight needs to be done to overcome this challenge.Design/methodology/approachA Multi Criteria Decision Making (MCDM) based approach, through the combined use of Criteria Importance Through Intercriteria Correlation (CRITIC) and Technique for Order Preference by Similarity to Ideal Solution (TOPSIS) methods has been incorporated to objectively evaluate the weights of the stakeholder attributes and their ranking with a specific focus on construction megaprojects. Five stakeholder attributes and twelve commonly associated stakeholders with megaprojects were considered to achieve this.FindingsThe new model presented power, durability and legitimacy as three important stakeholder attributes, further used to determine stakeholder importance. The client, contractor and project manager were identified as the top three internal stakeholders, and customers, local community and utility service providers as three crucial external stakeholders.Research limitations/implicationsThe findings from the proposed method provide the practitioners with updated information about the attributes they need to look into when planning stakeholder involvement and management. Further, it also leads them to the established framework for the provided stakeholder ranking when planning their management strategies.Originality/valueThe use of CRITIC method allowed to address the possibility of any correlation between the attributes in their weight determination. This was one of the advantages as co-relation between the attributes during their weight determination has not been addressed in previous methods.

Abhay Tawalare

Papers

Pavement Performance Index for Indian rural roads

Relational Partnership in Public Construction Organizations: Front-Line Employee Perspective

Performance Evaluation of Implementation of Continuous Water Supply Projects: Two Case Studies from India☆

Stakeholder assessment in construction projects using a CRITIC-TOPSIS approach

Identification of Risks for Indian Highway Construction