Linear Scheduling Model: Development of Controlling Activity Path

Harmelink, D J; Rowings, James E.

doi:10.1061/(asce)0733-9364(1998)124:4(263)

Cited by 142 publications

(80 citation statements)

References 2 publications

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“…Planning/scheduling for repetitive construction projects has been an area of interest to many practitioners and researchers, and different methods have been proposed (for example [16,17,18,19,20,21]). The scheduling methods proposed, such as repetitive scheduling method (RSM [16]), linear scheduling method [17], and location-based scheduling [19], are focused on the work continuity of each activity (or subcontractor) or the continuity of resources.…”

Section: Previous Research On Scheduling For Repetitive Construction mentioning

confidence: 99%

“…The scheduling methods proposed, such as repetitive scheduling method (RSM [16]), linear scheduling method [17], and location-based scheduling [19], are focused on the work continuity of each activity (or subcontractor) or the continuity of resources.…”

Section: Previous Research On Scheduling For Repetitive Construction mentioning

confidence: 99%

“…In scheduling repetitive construction projects, multiple units are regarded as 'multiples' of each unit, not as a batch of 'multiple units' [16,17,18,19]. Ryu [21] used 'Lead Time (LT)' and 'Lead Space (LS)' to determine the work relationship between different activities.…”

Section: Previous Research On Scheduling For Repetitive Construction mentioning

confidence: 99%

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Impact of Balance between Productivities on Repetitive Construction Projects

Shim¹,

Yoo²

2013

Journal of the Korea Institute of Building Construction

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Fast delivery of construction projects provides more value to project owners. Batch production, which is production not in single pieces, but in batches, is a common approach in repetitive construction projects such as multi-unit residential building construction projects. In batch production, the use of a small batch size allows the early start of subsequent activities, and thus can lead to early completion of projects. In addition to batch size, balance between productivities in construction activities can affect project duration. However, the impact of the balance between productivities with regard to their order on project duration has not been studied. The main goal of this study is to test a hypothesis, which is that the order of construction activities' unbalanced productivities affects the amount of time reduction that can be achieved by using a small batch size. A computer-based simulation model was developed, and five different cases were simulated to test the hypothesis. The conclusion of the simulation result is that the order of productivities does not affect the time reduction achieved by using a small batch size. It is expected that the findings of this study can help general contractors make decisions in terms of batch size.

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Section: Previous Research On Scheduling For Repetitive Construction mentioning

confidence: 99%

Section: Previous Research On Scheduling For Repetitive Construction mentioning

confidence: 99%

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Impact of Balance between Productivities on Repetitive Construction Projects

Shim¹,

Yoo²

2013

Journal of the Korea Institute of Building Construction

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“…In physically linear projects, especially roadway projects, the axes are reverted. In such case, the x-axis is used to denote stations or locations, while the y-axis represents time (Harmelink and Rowings 1998;Mattila and Abraham 1998). Harris and Ioannou (1998) introduced another efficient representation for linear projects.…”

Section: Linear Scheduling Representationmentioning

confidence: 99%

“…Scheduling techniques applicable to linear projects must be able to provide a synonymous set of critical activities as those calculated by critical path method (CPM). This ability would provide an analytical or engineering foundation on which a full range of functionality such as float identification, resource and cost allocation, and schedule updating could be built (Harmelink and Rowings 1998). Determining critical path in traditional CPM, or controlling activity path in a linear schedule, is a crucial aspect.…”

Section: Introductionmentioning

confidence: 99%

Algorithm for Determining Controlling Path Considering Resource Continuity

Ammar

Elbeltagi

2001

J. Comput. Civ. Eng.

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Scheduling of construction projects that have multiple units, wherein activities repeat from one unit to another, always represent a major challenge to project managers. These projects require schedules that ensure the uninterrupted usage of resources from an activity in one unit to the similar activity in the next unit and maintaining logic constraints at the same time. The scheduling method presented in this paper considers both logic and resource continuity constraints. The method utilizes the critical path method network of a single unit. Start-to-start and finish-to-finish relationships are used. Constant activity production rate is assumed. The proposed approach determines the controlling path (logically and resource critical units) in a simplified way. To automate the proposed algorithm, a macroprogram has been written on commercial scheduling software. Details of the model development and implementation are described, and an example application is presented to validate the proposed approach. The advantages, limitations, and future extensions of the proposed approach are then discussed.

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Applying the Principles of Lean Manufacturing to Optimize Conduit Installation Process

Ker

Wang

2013

Intelligent Technologies and Engineering Systems

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Linear Scheduling Model: Development of Controlling Activity Path

Cited by 142 publications

References 2 publications

Impact of Balance between Productivities on Repetitive Construction Projects

Impact of Balance between Productivities on Repetitive Construction Projects

Algorithm for Determining Controlling Path Considering Resource Continuity

Applying the Principles of Lean Manufacturing to Optimize Conduit Installation Process

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