The formation of porous light ceramsite using Yellow River sediment and its application in concrete masonry production

Wang, Shanshan; Yang, Liyan; Ma, Xin; Mei, Rui-Feng; Li, Chunquan; Sun, Zhiming

doi:10.1016/j.cscm.2022.e01340

Cited by 5 publications

(2 citation statements)

References 34 publications

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“…When the amount of Nano-CaCO 3 added is 1%, the compressive strength of the autoclaved aerated concrete test block is the highest. Compared with the blank mortar, the compressive strength of the test block with 20% ceramsite is improved by 49.8%, similar to the research results of Wang [29]. This result is even greater than that of the test block with 1% nano-calcium carbonate, which means that ceramsite can significantly improve the mechanical properties of mortar and can obtain a certain compressive strength at a lower cost.…”

Section: Compressive Strength Test Of Concrete Blocksupporting

confidence: 81%

Preparation of Ceramsite Using Dehydrated Silt Soil and Its Performance on Compressive Strength of Ceramsite Concrete Block

Zang

Pan²,

et al. 2023

Sustainability

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Using dehydrated silt soil as a raw material to produce ceramsite for ceramsite concrete blocks is a promising approach from both environmental and economic aspects. In this paper, flocculant polyacrylamide (PAM) was investigated to dehydrate the silt, and the optimal dosage of PAM was found to be 0.8 mol/L. The dehydrated silt was then fired to obtain ceramsite, which was subsequently used to prepare ceramsite autoclaved concrete blocks (CACB). The compressive strength of the blocks was tested and compared with that of ordinary autoclaved concrete blocks (ACB) and Nano-CaCO3 autoclaved concrete blocks (NACB). The results showed that the addition of ceramsite or Nano-CaCO3 can improve the compressive strength, with an increase of 44.4% and 55.6% at 7 d, respectively, compared with the autoclaved concrete block.

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Section: Compressive Strength Test Of Concrete Blocksupporting

confidence: 81%

Preparation of Ceramsite Using Dehydrated Silt Soil and Its Performance on Compressive Strength of Ceramsite Concrete Block

Zang

Pan²,

et al. 2023

Sustainability

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“…Because of the water retention properties of ceramic granules, when FLWCC is used to strengthen OC, the water inside the ceramic granules can further promote the hydration reaction after the hardening of the interface between the new and old concrete, thus making the interface stronger. At present, there is a lot of research on the composition of raw materials [8][9][10], force characteristics [11][12][13] and durability properties [14][15][16]. The application of FLWCC in the field of repair and strengthening can give full play to its potential to replace the shortcomings of traditional concrete, which is in line with the environmental protection concept of "carbon neutrality".…”

Section: Introductionmentioning

confidence: 90%

Effect of Planting Rebars on the Shear Strength of Interface between Full Lightweight Ceramsite Concrete and Ordinary Concrete

Zhu,

Duan,

et al. 2023

Coatings

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The use of full lightweight ceramsite concrete (FLWCC) for the repair of ordinary concrete (OC) structures has a good application prospect in the field of engineering structural strengthening. However, the interface here is less studied at present. For this purpose, 10 sets of FLWCC (new concrete)–OC (old concrete) specimens were produced for the shear test to test the bonding properties of the interface. The results showed that the damage form was changed from brittle damage to ductile damage after strengthening. It was proven that planting rebars in the interface could improve the shear performance. The interface shear strength increased with the number of rebars and it had a better effect after the number was more than 2. The strength was related to the rebar diameter and the maximum was obtained when the diameter was 8 mm. The most suitable spacing of the bars was 80 mm. The one-way analysis of variance (ANOVA) showed that the number of rebars had the greatest effect on shear strength followed by rebar diameter, while the effect of the spacing of the bars was less pronounced. Moreover, Fib’s (2010) specification of the interface shear strength formula could be used for the calculation of FLWCC–OC.

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Study on the performance of lightweight roadway wall thermal insulation coating containing EP-GHB mixed ceramsite

Zhang,

Yin,

et al. 2024

Build. Simul.

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The formation of porous light ceramsite using Yellow River sediment and its application in concrete masonry production

Cited by 5 publications

References 34 publications

Preparation of Ceramsite Using Dehydrated Silt Soil and Its Performance on Compressive Strength of Ceramsite Concrete Block

Preparation of Ceramsite Using Dehydrated Silt Soil and Its Performance on Compressive Strength of Ceramsite Concrete Block

Effect of Planting Rebars on the Shear Strength of Interface between Full Lightweight Ceramsite Concrete and Ordinary Concrete

Study on the performance of lightweight roadway wall thermal insulation coating containing EP-GHB mixed ceramsite

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