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Yu Dai, Feiyue Ma, Xiang Zhu, He Liu, Zhonghua Huang and Ya Xie
With the decrease of primary resources in recent years, deep seabed mineral resources, especially the massive sulfides, are of extensive research significance. In this paper, firstly, the uniaxial compressive strength (UCS) test and triaxial compressive ...
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Seonguk Hong, Sangki Yoon, Jonghyun Kim, Changjong Lee, Seunghun Kim and Yongtaeg Lee
The purpose of this study is to estimate the compressive strength according to the age of the concrete structure using ultrasonic pulse velocity method. If the correlation between the ultrasonic pulse velocity and the compressive strength according to th...
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Muhammad Adil Khan, Mahboob Ali Chowdhry, Asjad Javed, Mohammad Laeeque Ahmed, Hummaira Kanwal
Pág. 1057 - 1066
The most important property of concrete is its compressive strength, which is carried out after 28-days proper curing of concrete. This test is affected by other factors like the condition of curing, water to cement ratio, method of transportation, handl...
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Jianhua Lei, Fan Feng, Shu Xu, Weibin Wen and Xuhui He
The objective of the present research was to study the effect of temperature on the mechanical properties, failure mode and uniaxial compression constitutive relationship of a modified polyurethane concrete. A total of 24 cube and 27 prism specimens were...
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Osama Ahmed Mohamed
The production of cement requires significant energy and is responsible for more than 5% of global CO2 emissions; therefore it is imperative to reduce the production and use of ordinary portland cement (OPC). This paper examines the compressive strength ...
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Rui Ma, Xun Hu, Huiying Hu, Ziyang Tian, Lei Chen and Jinyu Zong
The ultra-high-performance fiber-reinforced cementitious composite (UHPFRC) is a new generation of building material with extremely high mechanical strength and durability, which can be used for ultra-high, thin-wall or long-span construction, that prolo...
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Chang-Chi Hung, Chien-Chih Wang and Her-Yung Wang
In this study, the desulfurization slag used the volume method to replace fine natural aggregates in controllable low-strength materials (CLSM); the desulfurization slag content (DS) and curing time (t) were used as variables to test the compressive stre...
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MUHAMMAD ADIL KHAN, ASJAD JAVED, MAHBOOB ALI CHOUDHRY
Pág. 21 - 30
The most important property of concrete is its compressive strength, which is carried out after 28-days of proper curing of concrete. This test is affected by other factors like the condition of curing, water to cement ratio, method of transportation, ha...
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Minkwan Ju, Kyoungsoo Park and Hongseob Oh
Estimating the compressive strength of high strength concrete (HSC) is an essential investigation for the maintenance of nuclear power plant (NPP) structures. This study intends to evaluate the compressive strength of HSC using two approaches: non-destru...
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S.K. Al-Oraimi,A.W. Hago,H.F. Hassan,R. Taha
Pág. 17 - 22
The effect of curing conditions and silica fume replacement on the compressive strength and the initial surface absorption of high performance concrete is reported. The silica fume contents were 5, 10, 15 and 20%, by weight of cement. Four different curi...
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Hong-xin Guan, Hao-qing Wang, Hao Liu, Jia-jun Yan and Miao Lin
Since the effect of intermediate principal stress on the strength of pavement materials is not entirely clear so far, a proprietary true triaxial apparatus was developed to simulate the spatial status of principal stresses to conduct compressive strength...
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Hong-xin Guan, Hao-qing Wang, Hao Liu, Jia-jun Yan and Miao Lin
Since the effect of intermediate principal stress on the strength of pavement materials is not entirely clear so far, a proprietary true triaxial apparatus was developed to simulate the spatial status of principal stresses to conduct compressive strength...
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Kunhang Zhang, Shengshan Guo, Haibo Wang, Deyu Li, Jin Tu, Hong Zhong, Lijun Zhao and Chunlei Li
The dynamic mechanical properties of dam concrete play a critical role in the seismic design of dams. Conducting experiments on large-scale fully graded specimens to accurately obtain the mechanical properties of dam concrete is a challenging task. Dam c...
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Sanket Rawat, Paul Saliba, Peter Charles Estephan, Farhan Ahmad and Yixia Zhang
Magnesium oxychloride cement (MOC) is often recognized as an eco-friendly cement and has found widespread application in various sectors. However, research on its resistance against elevated temperatures including fire is very limited. This paper thoroug...
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Xuan Liu, Tao Jiang, Chenglong Li, Mingyu Wan, Wenzhu Xuan and Xingfu Wang
This research used fly ash and slag to create geopolymer foam concrete. They were activated with an alkali, resulting in a chemical reaction that produced a gel that strengthened the concrete?s structural integrity. The experimental approach involved var...
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Eyad K. Sayhood, Nisreen S. Mohammed, Salam J. Hilo and Salih S. Salih
This paper presents comprehensive empirical equations to predict the shear strength capacity of reinforced concrete deep beams, with a focus on improving the accuracy of existing codes. Analyzing 198 deep beams imported from 15 existing investigations, t...
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Lianzhi Yang, Tong Niu, Fanmin He and Zhiyong Song
In this paper, based on the gneiss outcrop of Bozhong 196 gas field in China, uniaxial compression and Brazil splitting tests were conducted by using cores of different orientations. The following compression properties were studied: the elastic compress...
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Mo Liu, Wenting Dai, Chunling Zhong and Xue Yang
In order to promote the wide application of reactive powder concrete (RPC) in practical engineering. In this paper, RPC was prepared using conventional and economical natural river sand instead of quartz sand and economical and environmentally friendly b...
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Adewumi John Babafemi, Nina Sirba, Suvash Chandra Paul and Md Jihad Miah
The massive amount of plastic waste in our natural environment is a global concern. In this study, recycling plastic waste to partially replace natural sand in concrete is investigated. The performance of Resin8, a unique combination of all types of plas...
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Herda Yati Binti Katman, Wong Jee Khai, Naraindas Bheel, Mehmet Serkan Kirgiz, Aneel Kumar and Omrane Benjeddou
Nowadays, the incorporation of natural fiber, such as coir fiber, to high-strength concrete has sparked a lot of attention in the construction materials industry. This is because coir fibers are significantly cheaper and more widely accessible than synth...
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