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Thi-Hong-Nhi Vuong, Tso-Ren Wu, Chun-Yu Wang and Chia-Ren Chu
This paper aims to develop a landslide model to simulate the tsunamis generated by slump-type landslides. The Bingham rheology model is integrated into the Navier?Stokes solver to simulate the landslide movements in both in-land and ocean areas. The mode...
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Tso-Ren Wu, Thi-Hong-Nhi Vuong, Chun-Wei Lin, Chun-Yu Wang and Chia-Ren Chu
This paper aims to develop a landslide model to simulate slump-type landslide tsunamis. The modified Bi-viscous model can be used to simulate the landslide movements in both the in-land area and ocean area. The model is able to describe the developments ...
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Mosbeh R. Kaloop, Pijush Samui, Mohamed Shafeek and Jong Wan Hu
The characteristics of fresh and hardened self-compacting concrete (SCC) are an essential requirement for construction projects. Moreover, the sensitivity of admixture contents of SCC in these properties is highly impacted by that cost. The current study...
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Hossein Moayedi, Bahareh Kalantar, Loke Kok Foong, Dieu Tien Bui and Alireza Motevalli
Slump is a workability-related characteristic of concrete mixture. This paper investigates the efficiency of a novel optimizer, namely ant lion optimization (ALO), for fine-tuning of a neural network (NN) in the field of concrete slump prediction. Two we...
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Bing Li, Wenbin Zheng and Yang Zhang
This study aims to investigate the effect of high temperature on the mechanical properties of low-slump polypropylene fiber (PPF) concrete, and tests the tensile and compressive properties of 204 groups of low-slump PPF concrete with eight different dosa...
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Ahmed Salih Mohammed, Wael Emad, Warzer Sarwar Qadir, Rawaz Kurda, Kawan Ghafor and Raed Kadhim Faris
It is generally known that the two most crucial elements of concrete that depend on the slump value of the mixture are workability and compressive strength. In addition, slump retention is more delicate than the commonly used slump value since it reflect...
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Sara Bensalem,Mohamed Lyes Kamel KHOUADJIA,Kamel Abdou,Ahmed Abderraouf Belkadi,Oussama Kessal
Pág. 145 - 154
The development of the building materials industry in Algeria and worldwide has opened up new commercial opportunities for waste recovery. Using recycled materials and natural resources such as expanded clay aggregates are increasingly seen as a solution...
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Suvash Chandra Paul, Adewumi John Babafemi, Md Jihad Miah, Md Abdul Basit, Noor Md. Sadiqul Hasan and Sih Ying Kong
Admixtures are an integral part of modern cementitious materials, as they significantly enhance the rheological, mechanical, and durability properties of the material. Though manufactured admixtures are mainly used in concrete production, they are expens...
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Kattia Rubi Arnez Ferrel, Supapap Patsinghasanee, Ichiro Kimura and Yasuyuki Shimizu
In this paper, a physics-based model that couples a bank erosion model with a meander evolution model is developed and evaluated. The physics-based bank erosion model considers the cantilever failure mechanism with slump blocks and decomposition effects....
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Wahyudi Wahyudi,Irwan Irwan,Nurmaidah Nurmaidah
Pág. 37 - 53
Tujuan penelitian ini dilakukan adalah untuk mengetahui mutu beton yang terbaik dari berbagai proses pemadatan yang akan di coba dengan nilai FAS yang sama dengan mutu beton K-175. Perbandingan mutu beton K-175 menggunakan bahan-bahan seperti semen, keri...
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Byung-Hwan Ahn, Su-Jin Lee and Chan-Gi Park
The purpose of this study was to assess the physical and mechanical properties of pavement concrete for rural roads of South Korea made with air-cooled slag aggregate, which is an industrial byproduct. This study assessed the physical and chemical proper...
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Marina Leibman, Nina Nesterova and Maxim Altukhov
The Arctic zone of West Siberia (Yamal and Gydan peninsulas) is an area with continuous permafrost and tabular ground ice close to the surface, active thermodenudation, and related landforms: retrogressive thaw slumps (RTS); in Russian referred to as the...
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Matthew S. Sullivan, Mi G. Chorzepa, Hiwa Hamid, Stephan A. Durham and S. Sonny Kim
Metakaolin is the only major natural pozzolan to be specified for use as a supplementary cementitious material in the United States. As a result, the metakaolin market for concrete has grown dramatically in the past 20 years. As of now, the specification...
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Awetehagn Tuaum, Stanley Shitote and Walter Oyawa
This experimental research is focused on the development of self-compacting mortar incorporating recycled glass aggregate (SCM-RGA) as partial substitution of fine aggregate (wt 0%, 10%, 20%, 30%, 40% and 50%). The fresh and hardened mechanical propertie...
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Peizhao Zhong, Weiqing Jia, Wenwu Yang, Jianfei He, Erli Zhang, Dongyang Yu, Yuhang Xu, Jianpeng Chen, Feihu Peng, Guoxiang Zeng, Chen Zhang, Shiqi Zeng, Bo Gao, Haihai Pei and Zaiman Wang
The parameters of the discrete element simulation model for rice field soils serve as valuable data references for investigating the dynamic characteristics of the walking wheel of high-speed precision seeding machinery in paddy fields. The research spec...
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Xiaoyun Song, Heping Zheng, Lei Xu, Tingting Xu and Qiuyu Li
An investigation was carried out to study the influence of two types of anti-washout admixtures (AWAs) on the performance of underwater concrete, specifically, workability and washout resistance. The tested AWAs were hydroxypropyl methylcellulose (HPMC) ...
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Evan Rosyadi Ogara
Pág. 43 - 46
Seblat Formation had been exposed in Sedayu village, Lampung. Stratigraphic measurements and detailed description at several outcrops was performed on Seblat Formation. The facies of Seblat Formation base on sedimentological study can be divided into to ...
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Evan Rosyadi Ogara
Pág. 43 - 46
Seblat Formation had been exposed in Sedayu village, Lampung. Stratigraphic measurements and detailed description at several outcrops was performed on Seblat Formation. The facies of Seblat Formation base on sedimentological study can be divided into to ...
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Caijin Xie, Tiejun Tao and Keyu Huang
After removing the mold from the secondary lining concrete of a tunnel, problems such as honeycomb and hemp surface easily occur. To obtain self-compacting fair-faced concrete (SCFFC) that can meet strength requirements and effectively solve the above pr...
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Yingjie Wei, Duli Wang, Jianguang Li and Yuxin Jie
Soil conditioning is of great significance for tunneling in soft ground with earth pressure balance shield (EPBS) machines, which leads to safe, highly efficient, and high-quality tunneling. To study the effects of soil conditioning on properties of a cl...
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