Results 11 to 20 of about 7,965 (257)

Experimental Study on Hydraulic Fracturing of High Asphalt Concrete Core Rock-Fill Dam

open access: yesApplied Sciences, 2019
In this paper, we experiment on the hydraulic fracturing of asphalt concrete with a voids content higher than 3%, which has arisen from the possible local shear dilatancy of Quxue asphalt’s core wall of concrete core dam, the highest one of the ...
Zhengxing Wang   +5 more
doaj   +1 more source

Experimental studies of reinforced concrete structures of hydraulic structures strengthened with composite materials

open access: yesStructural Mechanics of Engineering Constructions and Buildings, 2019
Relevance. During the operation process (first of all, long-term operation) of hydraulic structures, it becomes necessary to strengthen their reinforced concrete structures.
Kirill E. Frolov
doaj   +1 more source

Time-dependent water permeation behavior of concrete under constant hydraulic pressure

open access: yesWater Science and Engineering, 2008
In the present work, a concrete permeability testing setup was designed to study the behavior of hydraulic concrete subjected to constant hydraulic pressure.
Fang Yonghao, Wang Zhongli, Zhou Yue
doaj   +1 more source

Hydraulic Resistance of Artificial Concrete Blocks

open access: yesCoastal Engineering 1970, 1970
Theoretical analysis and experiments are made to clarify the mechanism of reducing the wave energy by the block structures In order to express the hydraulic reistance of three different kinds of blocks, three different models are proposed The hydraulic radius and the porosity of the block structures are essentially important factors m the expression of
Mubuo Shuto, Hiroshi Hashimoto
openaire   +2 more sources

Influence of curing temperature on freeze-thaw resistance of limestone powder hydraulic concrete

open access: yesCase Studies in Construction Materials, 2022
Limestone powder (LS) is a new environmentally-friendly concrete admixture, and its application in concrete engineering is worth exploring. The curing of LS hydraulic concrete under extreme temperatures will significantly affect the interior ...
Weizhun Jin   +9 more
doaj   +1 more source

Probabilistic Study on Hydraulic Conductivity of Concrete at Mesoscale [PDF]

open access: yesACI Materials Journal, 2018
Hydraulic conductivity of concrete can be used as a key indicator in assessment of service life of concrete structures. In this paper, a probabilistic investigation on hydraulic conductivity of concrete is conducted, allowing for variation in hydraulic properties of concrete constituents.
Li, Chun-Qing   +2 more
openaire   +3 more sources

Modified fine-grained concrete for facing and repair of the hydraulic structures

open access: yesMATEC Web of Conferences, 2016
This article is devoted to improve the performance characteristics of plasticized fine-grained concrete for the hydraulic structures. The results of experimental studies on the selection of the optimal dosage of components.
Bazhenov Yuri   +2 more
doaj   +1 more source

Experimental study of the effect of water-cement ratio on compressive strength, abrasion resistance, porosity and permeability of Nano silica concrete [PDF]

open access: yesFracture and Structural Integrity, 2018
The effect of water-cement ratio on abrasion resistance, porosity and hydraulic conductivity coefficient of Nano silica concrete have been studied in this research (paper).
Kamal Rahmani   +2 more
doaj   +3 more sources

Effects of the expansion mechanisms on the pyrrhotite-induced deterioration of concrete foundations

open access: yesCase Studies in Construction Materials
Using pyrrhotite containing aggregates in concrete foundations can lead to premature deterioration visibly identifiable by extensive map cracking, expansion and deformation of the concrete foundation.
Rui Zhong   +4 more
doaj   +1 more source

Improvement of prediction model of concrete crushing based on random forest algorithm [PDF]

open access: yesAIP Advances
The use of efficient and accurate methods for crushing cement concrete will be a development trend in road maintenance and renovation. Based on orthogonal design methods, concrete pressure tests and hydraulic concrete crushing tests were conducted, and ...
Fei Li   +8 more
doaj   +1 more source

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