Although right turning movement frequency due to exiting- entering vehicles from or to the social-economic area, particularly located nearby an intersection, could influence travel delay and/or vehicle queuing but it has not been considered when determining both the roadway and intersection capacity...

Trading, agriculture, transportation and communication as well as services sectors are the prime contributors of the regional gross of domestic product in the island of Timor. However, the increasing of such priority sectors was relatively constant which might be occurred due to inappropriate efforts...

This paper examines the EFL presenters’ perception of viewing using digital library profiles on empowering creative presenters to an international conference. The data was collected for 4 months, starting from compiling three times surveys in October 2018 up to January 2019 in some conferences presenters....

Transportation is one of the most important elements in the economy aspect, because transportation is closely related to community activities, especially in urban areas. The purpose of this study is to provide city transportation data, namely the Vehicle Operating Costs (VOC) of 15 existing routes, and...

One of the roads in a residential area that connects the city of Makassar and Gowa Regency is Daeng Tata Lama. Daeng Tata Lama street is dominated by motorcycles. The addition of this volume of traffic load has the effect of noise pollution on residential area in the section. The aim of this study are...

The purpose of this study was to model the travel attraction in the education area of Gunung Pangilun, Padang City. Primary data was collected by random sampling including 17 variables over 200 questionnaire responses. Crosstabs technique and multiple linear regression analysis were used to understand...

The Public Works and Spatial Planning (PUPR) Office of Padang, Indonesia has currently focused on the agenda of improving pedestrian paths in several areas, including Jalan Khatib Sulaiman. This study aims to evaluate the pedestrian way on Jalan Khatib Sulaiman by examining physical and non-physical...

Debris flow is a sediment disaster that mostly occurs in mountainous area. In Merapi Volcano, Indonesia, debris flow frequently caused damage of infrastructures, destroyed bridges, houses, and fatalities. According to historical debris flow events, debris flow in Merapi area is predominantly triggered...

Buton asphalt is a natural resource owned by Indonesia. One of the Buton asphalt processed is Retona Blend 55 Asphalt. Due to the abundant stock and better quality, Retona Blend 55 Asphalt can substitute Pertamina asphalt. Besides buton asphalt, Indonesia also owns coal mostly used for steam power plants....

Indonesia is a country that produces the largest coconut in the world. 35% of the coconut volume is coir. Coir is a waste that has not been widely used for construction work. The coir fibers have the highest tensile strength among other natural fibers and have resistance to compressive forces. In this...

Dissolved oxygen and suspended sediment are the most important parameters used to assess the water quality of the river. The concern of freshwater pollution problems in Malaysia since the past few decades has resulted in the importance of monitoring dissolved oxygen concentration as a barometer for river...

In precast concrete structures, connections play an important role in ensuring the safety of the structure. Current design practice in structural analysis assumes the connection as pinned or rigid. However, this cannot be relied upon for safety against collapse because during service the actual connection...

The corrosion of reinforced concrete mainly was caused by chloride contaminated. Kinds of mineral admixtures such as Fly Ash Type B (FA), Silica Fume Type A (SF), Metakaolin (MKP) and Blast Furnace Slag Type B (BB) are necessary to increase the corrosion resistance. The electrical resistivity and permeability...

Riau Province is an area that has the largest peatland in Sumatra, namely 4.044 million ha (56.1% of the Sumatra peatland area or 45% of the land area of Riau Province). Peat soils have a low bearing capacity, a high degree of compressibility, and high water content. So peat is unfavorable to support...

The road is a land transportation infrastructure essential in facilitating the social and economic activities of the community. Well-constructed road conditions will equip population mobility in social activities and relations. However, road damage at low and high levels will not only obstruct social...

Utilizing many specimens in full-scaled experimental testing to study the behavior of precast concrete connections can be expensive. An alternative is to cast and carry out a minimal number of experimental tests and then model the connection/structure in a finite element software. The FE model can be...

One of the efforts to reduce road damage due to excessive loads is to increase the quality of the asphalt mixture by improving or increasing the quality of asphalt (bitumen). The use of Asbuton or crumb rubber as an additive in the pavement mixture will have a different effect on the properties of the...

Lean construction is one method that may reduce waste on construction projects. Waste is something that is non-value adding activities in the construction site. Implementing lean concepts into the construction industry is expected to increase the company’s productivity. In this study, we have reviewed...

This research discusses the prediction of flowability value, pressure strength and flexural strength on self-compacting concrete using fuzzy logic. Self–compacting concrete is one of the concretes that can compact itself without the need for a vibrator and compactor during the casting process. The flowability...

Innovation of concrete technology becomes important for conserving energy, according to the building’s structural design’s weight. Thus, lightweight concrete can be a solution because it has a low density with good quality and optimum strength. One substitute for concrete is plastic, a polymer material...

Code River is a river located in the Province of Yogyakarta Special Region (DIY) and one of the rivers that divide the city of Yogyakarta. Three regency areas are crossed by the Code River, namely: Sleman Regency, Yogyakarta City and Bantul Regency. The majority of people living around the river utilize...

Earthquake is an unpredictable natural disaster, and land subsidence is one of the followed impacts of this disaster. This occurrence can endanger buildings on the disaster area, especially the columns as the central element in the superstructure. This study aims to discover the influence of the inclination...

Construction of road infrastructure in South Sumatra Province is an effort to improve the economy and accessibility. One of the infrastructure constructions is Kayu Agung-Palembang-Betung Toll Road along 111.69 Km and consists of three segments. The second segment is between Musi Landas-Betung, has an...

Special Region of Yogyakarta is a province that is quite densely populated due to many migrants and domestic and foreign tourists visiting and settling in the province. This will have an impact on increasing land needs and meeting needs that can have an impact on declining environmental quality, one...

Considering sustainability in all stages of construction engineering is a need to protect environment, preserve natural resources and the earth for our own and future generations. An effective way to mitigate environmental impacts of the construction industry is the use of sustainable materials in construction....

Equivalent static is a simplification method to design earthquake loads that must be calculated in the structural design. This method is practical and easy to apply, but only appropriate for low structures with high rigidity. The structures having low rigidity and irregularity in geometry must be analyzed...

The Rupat Island is one of the islands in Riau Province, Indonesia which generally consists of peat soil. Hence several coastal areas surrounded Rupat Island have been severely damaged due to the influence of the sea waves and tides. Meanwhile, the coastal area has been widely occupied by the local human...

Concerns on the environmental impacts from use of concrete in the construction industry are becoming more widespread. Past and current research trends indicate that cement represents the bulk of emissions from concrete. Thus, its replacement significantly reduces negative impacts in concrete. Incorporation...

The world population has risen significantly in the last several decades, and this phenomenon creates a challenge to provide affordable housing for the family. Indonesia, the fourth largest populated country in the world, recently has a well-known national program regarding this issue, namely one million...

In transportation, Sleman Regency faces quite prevalent traffic issues, particularly traffic congestion and pollution that are caused by a surge in population mobility without being offset by sufficient development of traffic facilities and infrastructure. Therefore, a traffic management approach is...

Foodservice is a food management that is handled by individuals and companies that provide food somewhere to meet the various needs of its providers based on orders. The progress of information technology is growing rapidly. One of them is a smartphone or better known as a smartphone, which uses the...

The impact of the implementation of the renewable energy power plant to GHG emission has been analyzed in this study. Four types of the renewable power plant have been simulated in the model which are hydro, biomass, solar, and wind power plant. The bottom-up model has been developed to conduct the analysis....

Breast milk is the perfect food for babies in early life because it contains many antibodies for the baby’s immunity and can prevent diarrhea that will cause infants’ and toddlers’ death. Many postpartum mothers complain that their milk does not come out, so that they cannot provide adequate milk coverage...

The high demand of electrical energy nowadays occurs globally, including in Indonesia. One solution to overcome the problem of electricity consumption is to design solar power plants in Indonesia. The location of Parangtritis beach itself has a high potential radiation value when compared to other beaches...

In supporting dental examination and treatment tools, especially in regional health facilities, an economical dental unit that has already met dental examination standards is needed. In this study, the authors will design an electric dental chair using a pneumatic as an up and down drive and a linear...

The use of millimeter-wave for 5G connections seems ready to be implemented. The high-path loss problem as a consequence is solved by the use of antenna arrays and the reduction of cell coverage with a small cell concept. Aligning beams to the best directions is then a selected concept of antenna arrays...

Hydraulic systems have been widely used in several large industries, the use of hydraulics in industrial activities help the running of related industrial activities. A large number of maintenance requests for the workshop requires a modern jack that can increase work productivity in the workshop. Also,...

The management of medical facilities that have not made use of the information system (IS) has caused various difficulties for stakeholders. For the executive, the implementation of the medical facility management information system is deemed necessary to improve the quality of hospital services, while...

On this era, there are several medical equipment especially on the medical laboratory. One of the equipment is Shaking Water Bath. The Shaking Water Bath is a module used for heating or incubating sample solutions and mixing. The previous Shaking Water Bath still has a manual drainage system, so you...

Dragon fruit stem is prone to the infection of various pathogenic fungi and Trichoderma harzianum had been reported as an effective biological control agent against plant pathogenic fungi. This study was aimed to evaluate the ability of T. harzianum in controlling various pathogenic fungi infecting dragon...

Cocoa pod borer (Conopomorpha cramerella L.) is a major pest of cocoa, including in Southeast Sulawesi and is able to reduce yields up to 90%, especially in the dry season. So far, farmers control these pests through the application of chemicals with high doses so that it has a negative impact on the...

Low water apple productivity and less competitive prices are the problems faced by water apple farmers in Wonosalam District. However, with such a situation the farmers continue to cultivate water apple. In carrying out water apple farming, farmers have an effort and motivation. This research aims to...

Agriculture land uses change to become a serious issue in Indonesia. Farmers tend to change their land to more economical usage. This study aims to determine the farmers’ responses toward land use change from the paddy field to cocoa plantation in Terong Village, Dlingo Sub-district, Bantul Regency....

Honey pineapple is annual plant whose plant origin comes from saplings. Honey pineapple plants can be harvested when the plant is 2 years old. This study aims to determine the feasibility of honey pineapple farming in Belik Village. The research method used in this study is a descriptive method that...

Chili peppers are one of the horticultural commodities commonly cultivated commercially in tropical regions such as Indonesia. Sukamantri sub-district is the center of chili plants in Ciamis Regency with the largest planting area and harvest area of 296 hectares and the largest production value in Ciamis...

Water apple is a local variety from Demak which has been SOP (standard operational procedures) related to water apple cultivation since 2010. The function of the water apple SOP is as a reference for GAP (Good Agriculture Practices) of water apple farming. The purpose of this study was to determine the...

Bantul Regency is one of the districts in The Special Region of Yogyakarta. In 2006, Bantul experienced an earthquake that took many lives, one of the causes of which was to be hit by a house. Home is every human being’s basic need. A good house has an interconnection between each element, both structural...

Surjan and conventional rice fields are two rice farming systems grown in polyculture and monoculture. Differences in agricultural systems can affect insect diversity. This study aimed to determine the effect of the Surjan and conventional rice field ecosystems on the diversity and abundance of detritivores,...

Insecticidal efficacy of Lantana camara is affected by the efficacy of formulation used determined by the concentration of its bioactive compound. The use of Bacillus thuringiensis (Bt) could induce the fermentation of L. camara and the selection of compatible solvent might contribute in production of...