Predicting the Influence of Seasonal Thermally Induced Cracking on a Reinforced Concrete Arch Dam

Enzell, Jonas; Malm, Richard; Tollsten, Markus

doi:10.1007/s12205-022-0112-7

Cited by 4 publications

(1 citation statement)

References 18 publications

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“…These seasonal temperature variations have resulted in cracking in thin concrete dams. Continuous monitoring and evaluation of existing dams are important to increase the knowledge about massive concrete structures and to ensure dam safety [7,8].…”

Section: Introductionmentioning

confidence: 99%

Research on anti-separation and anti-overturning of concrete block structures of a spillway with a protruding head during construction

Hung¹

2023

STCE

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In concrete gravity dams, reinforced concrete, and its components, depending on the working conditions of the concrete in separate parts of the dam during the operation period, should be divided into concrete zones with different intensities. However, many projects choose to construct the spillway’s overhang to save concrete, still assuring working conditions while creating the most cost-effective cross-section of the spillway. Although this will result in a proper partition of the concrete, anchoring the connection between the blocks must be secured;otherwise, the block may separate and even become eccentric and spill over. This may result in objects falling,works being destroyed, and a significant safety danger. This study approaches to ensure the safety of spillwayswith overhanging blocks by calculating and analyzing the risk of block separation and overturning, therebygiving a suitable solution for pouring volume and creating the best anchor connection to keep the whole damsafe and stable during construction and operation.

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Section: Introductionmentioning

confidence: 99%

Research on anti-separation and anti-overturning of concrete block structures of a spillway with a protruding head during construction

Hung¹

2023

STCE

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Damage Prediction of Hydraulic Concrete in Severe Cold Region Based on FOTP-GM (1,1) Model

Gong

Liang

et al. 2023

KSCE J Civ Eng

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Safety assessment of massive buttress dams in the presence of thermal cracks in them

Zimnyukov

Zborovskaya

2023

Struct. Mech. of Eng. Const. and Build

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In the 1950s, the construction of hydropower facilities began in the regions of Siberia and the Far East, characterized by harsh climatic conditions, which should be taking into account to predict the stress state of dams. The aim of the study is an assessment of the conditions for the formation of temperature cracks in concrete dams and their influence on the further operation of the structure, as well as measures and technologies to combat cracking in massive concrete. Thermal stresses often exceed the stresses caused by the action of external loads and lead to the appearance of cracks in the concrete. Almost all modern concrete dams are subject to thermal cracking today. Appropriate design and technological measures must be provided for. When studying the thermally stressed state of lightweight concrete dams, the method of direct reproduction of thermal deformations on models made of brittle materials and computational methods oriented towards computer methods of solving problems are used. The results of modeling and computational studies of massive buttress dams are presented and the influence of the main influencing factors is considered, taking into account the effect of cracking on the operation of such dams.

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Predicting the Influence of Seasonal Thermally Induced Cracking on a Reinforced Concrete Arch Dam

Cited by 4 publications

References 18 publications

Research on anti-separation and anti-overturning of concrete block structures of a spillway with a protruding head during construction

Research on anti-separation and anti-overturning of concrete block structures of a spillway with a protruding head during construction

Damage Prediction of Hydraulic Concrete in Severe Cold Region Based on FOTP-GM (1,1) Model

Safety assessment of massive buttress dams in the presence of thermal cracks in them

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