Critical delay factors for construction projects in Central Aceh District, Indonesia
Anita Rauzana1, Aghnia Zahrah2, Wira Dharma3
1Department of Civil Engineering, Universitas Syiah Kuala, Banda Aceh, 23111, Indonesia.
F1000Research
|January 30, 2023
Summary
Identifying construction project delays in Central Aceh is crucial. Eight key risk factors, including tool malfunction and poor planning, significantly impact project timelines and viability.
Area of Science:
- Construction Management
- Risk Assessment
- Project Viability
Background:
- Rapid construction development in Indonesia, particularly Central Aceh District, necessitates understanding project risks.
- Project delays can lead to significant cost overruns and financial losses, impacting overall project success.
- Identifying causal factors for construction delays is essential for effective project management.
Purpose of the Study:
- To identify risk factors contributing to construction project delays in Central Aceh.
- To determine the specific risk factors with the most substantial influence on project timelines.
Main Methods:
- Utilized primary data from questionnaires distributed to contractor companies in Central Aceh.
- Incorporated secondary data from relevant literature for comprehensive analysis.
- Employed validity tests, reliability tests, and descriptive analysis for data processing.
Main Results:
- Eight risk factors were identified as having a "very high influence" (Mode=5) on project delays.
- Key influential factors include tool malfunction, inaccurate cost estimation, and poor project planning.
- Other significant factors involve increased work costs, new technology implementation, specification issues, worker disputes, and site accessibility.
Conclusions:
- Out of 80 identified risk factors, eight were pinpointed as having a critical impact on construction projects in Central Aceh.
- These findings provide actionable insights for contractors to manage risks effectively.
- Understanding and mitigating these high-influence factors can prevent project losses.
More Related Videos
05:58Author Spotlight: Advancing Coral Culture - Creating a Semi-Quantitatively Controlled Microenvironment System to Counter Current Limitations
Published on: July 21, 2023
2.1K
04:35Author Spotlight: Simulation and Analysis of the Temperature Rise of Ring Main Unit Equipment
Published on: July 5, 2024
2.0K
Related Concept Videos
01:19Retarders
93
Retarders are chemical admixtures designed to extend the setting time, which is especially useful when there is a delay in sequential concrete pours to prevent cold joints and to achieve a cohesive structure. Retarders, when used in appropriate amounts, can also enhance the architectural appearance of exposed aggregate finishes.
The function of retarders is to delay the setting of concrete, and this effect can be measured using a penetration test. The retardation process involves adding...
The function of retarders is to delay the setting of concrete, and this effect can be measured using a penetration test. The retardation process involves adding...
93
01:14Design Example: Managing Concrete Workability
107
This example deals with managing the workability of concrete for a raft foundation project under hot weather conditions. Workability is crucial for ensuring the concrete is easy to place, compact, and finish. In this scenario, a slump test — a common method to measure the workability of fresh concrete — initially indicated low workability. This was attributed to the rapid water loss from the concrete mix, exacerbated by the high temperatures causing the course aggregates to heat up.
107
01:20Hot Weather Concreting
107
Concreting at elevated temperatures accelerates the hydration process, leading to quicker setting but potentially reducing the long-term strength of the concrete structure. Additionally, low air humidity fosters rapid moisture loss from the concrete, resulting in reduced workability, pronounced plastic shrinkage, and a higher likelihood of crazing.
Mitigating the heat increase in concrete can be economically achieved by shading aggregate stockpiles to prevent heating from solar radiation,...
Mitigating the heat increase in concrete can be economically achieved by shading aggregate stockpiles to prevent heating from solar radiation,...
107
01:27Cold Weather Concreting
101
When freshly poured concrete is exposed to freezing temperatures before it has set, the water within the concrete can freeze. This expansion disrupts the setting process, delays chemical reactions necessary for hardening, and increases the volume of pores within the hardened concrete, which weakens its overall structure. If the concrete manages to reach an appreciable strength before it freezes, the damage can be somewhat mitigated.
To counteract the negative impacts of cold weather, ensuring...
To counteract the negative impacts of cold weather, ensuring...
101
01:22Mass Concreting
103
Mass concreting refers to the process of placing large volumes of concrete, such as in gravity dams. The heat generated during the cement hydration process and differential cooling rates within the concrete mass can lead to a temperature gradient, which can result in thermal cracks in the concrete mass.
To reduce the risk of such cracking, the concrete mix may incorporate low-heat cement and pozzolans to reduce the temperature rise. Pre-cooled angular aggregates and water-reducing admixtures...
To reduce the risk of such cracking, the concrete mix may incorporate low-heat cement and pozzolans to reduce the temperature rise. Pre-cooled angular aggregates and water-reducing admixtures...
103
01:24Factors Affecting Workability
100
The workability of concrete is a critical characteristic that influences the ease of mixing, handling, and finishing the concrete. It is affected by several factors including water content, aggregate properties, and admixtures like air entrainment. Water plays a fundamental role as it lubricates the concrete mix, facilitating easier movement and placement. However, the water requirement varies depending on the texture and shape of aggregates. Finer particles and angular, rough-textured...
100