strength and water absorption of bacterial concrete

Strength and Water Absorption of Bacterial Concrete ...

The table II shows that water absorptions of bacterial free concrete and bacterial concrete after 28 days. Bacterial concrete have less percentage of water absorption than bacterial free concrete. The bacterial concrete prepared with 105cell/ml has less percentage of water absorption after 28 days of curing is 0.576%.

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Strength and Water Absorption of Bacterial Concrete ...

The purpose of this research is to compare the Strength and durability (water absorption) of different concentrations (10, 10 and 10cells/ml) of bacterial concrete with bacteria free specimen of M25 grade and to identify the optimum concentration.

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Strength and Water Absorption of Bacterial Concrete ...

Sep 16, 2016  Strength and Water Absorption of Bacterial Concrete Prepared with M.sand - A Study:- - written by Dhanya. S, Soman. K, Smitha. M published on 2016/09/16 download full article with reference data and citations

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BACTERIAL CONCRETE AND EFFECT OF DIFFERENT BACTERIA

Effect of Different Bacteria on the Strength and Water Absorption Characteristics of Concrete: A Review. International Journal of Civil Engineering and Technology , 7(5), 2016, pp.43–56.

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(PDF) BACTERIAL CONCRETE AND EFFECT OF DIFFERENT

The XRD image of this research is shown below in [figure 3] • Compressive strength and water absorption results of different bacteria after 28 days of curing: shown in [table 1] • Compressive strength and water absorption comparison of different bacterial species after 28days of curing of concrete specimen, [figure 4 and figure 5] Figure 1 ...

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Influence of bacteria on the compressive strength, water ...

Dec 01, 2012  This paper presents the effect of the ureolytic bacteria (Sporosarcina pasteurii) on the compressive strength, water absorption and rapid chloride permeability of concrete made with silica fume.Three bacterial concentrations were optimized (10 3, 10 5, 10 7 cells/ml) and further designing of concrete mixes was done. In making concrete, cement was replaced with 5% and 10% of silica fume

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Comparative analysis of compressive strength and water ...

presented. The parameters such as compressive strength and water absorption are measured for 28 days. Table 2 Comparative analysis of existing work Reference Bacteria type Number of days Compressive strength results Water absorption results [14] Bacillus sphaericus 28 The concrete strength varies from 37% to 43% Reduced up to 45 to 50 % when

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Strength and Water Absorption of Bacterial Concrete ...

Sep 16, 2016  Strength and Water Absorption of Bacterial Concrete Prepared with M.sand - A Study:- - written by Dhanya. S, Soman. K, Smitha. M published on 2016/09/16 download full article with reference data and citations

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(PDF) BACTERIAL CONCRETE AND EFFECT OF DIFFERENT BACTERIA

The XRD image of this research is shown below in [figure 3] • Compressive strength and water absorption results of different bacteria after 28 days of curing: shown in [table 1] • Compressive strength and water absorption comparison of different bacterial species after 28days of curing of concrete specimen, [figure 4 and figure 5] Figure 1 ...

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An Experimental Investigation on the Strength and ...

Fig 1: Effect of bacteria (B. sphaericus) on compressive strength of fly ash concrete 3.2 Water absorption The influence of bacteria on the water absorption of concrete is given in Table 7.65 and graphically represented in Fig. 7.5. It can be seen from this figure that with the inclusion of bacteria, water absorption

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Influence of Bacterial Carbonate Precipitation on the ...

of bacterial induced precipitation on concrete strength were studied through compressive strength test. Water absorption of concrete were analyzed by water absorptivity test.Tests were carried out for compressive strength and water absorption at the age of 28 days. Durability was assessed from the

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A study on strength and self-healing characteristics of ...

compressive strength, split tensile strength, flexural strength, water absorption and its self-healing properties. An attempt is made to heal these cracks by the addition of the bacteria in the concrete and also to increase of the strength of the concrete. Each bacteria of

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Influence of Bacterial Carbonate Precipitation on the ...

Cement was replaced with three percentages (10%, 20% and 30%) with fly ash by weight. The effects of bacterial induced precipitation on concrete strength were studied through compressive strength test. Tests were carried out for compressive strength and water absorption at the age of 28 days.

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Experimental Investigation on Strength and Durability ...

Jan 06, 2020  Durability tests like water absorption, water sorptivity and rapid chloride permeability are carried out on bacterial concrete and normal concrete and average results are mentioned below in the form of tables and graphs. SF 5.1 Compressive strength test results The compressive strength of concrete with mineral

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A Study of Microorganism (Bacteria) on Concrete Strength ...

crack and without bacteria concrete cubes. The percentage strength loss are 3.07%, 4.31%, 3.22%, 4.77%, 3.42%, 5.29% and 3.79%. It shows that strength loss percentage in with bacteria and crack is less compared to with crack and without bacteria but larger than without crack and bacteria concrete

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Experimental Study on Flexural Behavior of Bacterial ...

Water absorption test (24 hrs soaking) 29.4% 18.4% 4. Water absorption test (24 hrs soaking 5 hrs heating) 86.2% 71.7% 5. Porosity test 85.38% 26% Various Bacteria Used in the Concrete The bacteria are, a. Bacillus pasteurii b. Bacillue sphaericus c. Escherichia coli d. Bacillus subtilis (used in the present study) Bacterial Concrete

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STUDY ON MECHANICAL PROPERTIES OF CEMENT

a) To study the variation of compressive strength of cement mortar with bacteria b) To study the setting time of cement in the presence of bacteria c) To study the capillary water absorption (sorptivity) of cement mortar using bacteria d) To study the effect of bacterial culture medium on the setting time of cement. 1.3 METHODOLOGY

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SELF-HEALING COCRETE

absorption and water permeability of cement concrete cubes due to the mixing of bacteria is also discussed in this paper. It was found that the use of Bacillus Megaterium improves the compressive strength and stiffness of concrete. It also shows that there is reduction in water absorption and water permeability when compared to conventional ...

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Influence of bacteria on compressive strength and ...

Control and bacterial concrete with 0% CBFD achieved best results for compressive strength of 32.89 and 34.66 N/mm(2), respectively, but with increasing the percentage of CBPD the compressive strength was decreased. Water absorption was significantly reduced in bacterial concrete compared to control concrete.

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Critical literature review on improvement of concrete ...

concrete to enhancing the properties of bacterial concrete when it compared to normal concrete such as compressive and flexural strength and within the same time to decrease the water absorption, permeability and reinforcement corrosion. This paper enhanced the knowledge about bacterial concrete by defining the type, merit, and demerit

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Penetrability, Corrosion Potential, and Electrical ...

Mar 03, 2019  The water absorption and compressive strength of the specimens were evaluated. For this purpose, concrete specimens were made using two different bacteria (S. pasteurii and B. subtilis) and two different mixture proportions. The specimens were cured for 28 or 91 consecutive days in two types of media (a solution of urea–calcium chloride and a ...

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Influence of Bacterial Carbonate Precipitation on the ...

Cement was replaced with three percentages (10%, 20% and 30%) with fly ash by weight. The effects of bacterial induced precipitation on concrete strength were studied through compressive strength test. Tests were carried out for compressive strength and water absorption at the age of 28 days.

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A study on strength and self-healingcharacteristics of ...

Concrete plays a vital role as a construction material in the world. This project presents the results of an experimental investigation carried out to evaluate the influence of Bacillus Subtilis and Bacillus Licheniformis on the compressive strength, split tensile strength, flexural strength, water absorption and its self-healing properties.

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SELF HEALING CONCRETE OR BACTERIAL CONCRETE -

BACTERIAL CONCRETE AND EFFECT OF DIFFERENT BACTERIA ON THE STRENGTH AND WATER ABSORPTION CHARACTERISTICS OF CONCRETE: A REVIEW; Bacterial concrete: Development of concrete to increase the compressive and split-tensile strength using bacillus sphaericus; ADVANTAGE OF BACTERIAL CONCRETE. Self-repairing of cracks without any external

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Experimental Investigations on Strength Properties of Self ...

Water absorption 0.65% Fineness modulus 6.19% 3.4 Concrete mix proportion The mixes were designated in accordance with IS 10262- ... with Bacillus Bacteria increases the strength of the concrete. The bacteria produced from laboratory are proved to be safe and economical. The use of bacteria in concrete enhances the

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Influence of bacteria on compressive strength and ...

Control and bacterial concrete with 0% CBFD achieved best results for compressive strength of 32.89 and 34.66 N/mm(2), respectively, but with increasing the percentage of CBPD the compressive strength was decreased. Water absorption was significantly reduced in bacterial concrete compared to control concrete.

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SELF-HEALING COCRETE

absorption and water permeability of cement concrete cubes due to the mixing of bacteria is also discussed in this paper. It was found that the use of Bacillus Megaterium improves the compressive strength and stiffness of concrete. It also shows that there is reduction in water absorption and water permeability when compared to conventional ...

get price

Penetrability, Corrosion Potential, and Electrical ...

Mar 03, 2019  The water absorption and compressive strength of the specimens were evaluated. For this purpose, concrete specimens were made using two different bacteria (S. pasteurii and B. subtilis) and two different mixture proportions. The specimens were cured for 28 or 91 consecutive days in two types of media (a solution of urea–calcium chloride and a ...

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Concrete Durability Improvement in a Sulfate Environment ...

Jan 01, 2016  To do so, seven groups of 70-mm concrete prisms were made using two different bacterial strains accompanied with mixing water; the effects of sulfate solution exposure on durability properties of tested specimens including mass variation, volume variation, water absorption, and compressive strength were then determined.

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Critical literature review on improvement of concrete ...

concrete to enhancing the properties of bacterial concrete when it compared to normal concrete such as compressive and flexural strength and within the same time to decrease the water absorption, permeability and reinforcement corrosion. This paper enhanced the knowledge about bacterial concrete by defining the type, merit, and demerit

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Achievement of Early Compressive Strength in Concrete ...

Sep 11, 2014  Often it is observed, attainment of early compressive strength in concrete is a challenge. Researchers have tried various admixtures to achieve the objective. This work addresses the issue of achieving early compressive strength in concrete using a bacterium called Sporosarcina pasteurii . The bacterium is characterised with the ability to precipitate calcium carbonate in the

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A Study on the Strength of the Bacterial Concrete Embedded ...

the right conditions to be created for the survival of bacteria to repair cracks. (2) To determine the tensile strength of bacterial concrete. (3) To determine the flexural strength of bacterial concrete. ... (2011), reported on influence of bacteria on the compressive strength, water absorption and rapid chloride permeability. Influence of ...

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Experimental Characterization of Bacterial Concrete ...

This study experimentally investigates the mechanical and durability performance of bacteria concrete in terms of density, compressive strength, split tensile strength, and water absorption capacity. The concrete specimens were produced with a ratio of 1:2:4, w/c ratio of 0.45, and having a bacteria dosage level ranging from 1 to 6% by weight of water.

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Response Surface Methodology-Based Optimization of ...

Mar 19, 2021  10%  Microbial concrete has high potential for superior strength and durability, provided the optimal combination of bacterial cell concentration and water/cement (w/c) ratio is used.Despite there being a considerable volume of the literature on microbial concrete, no work has so far dealt with the prediction of compressive strength and water absorption, the most essential properties of concrete ...

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Effect of Microbiologically Induced Calcite Precipitation ...

3) To study the flexural behavior of concrete. (With and without addition of bacteria) 4) To study the water absorption of concrete. (With and without addition of bacteria) 5) To study the chloride penetration of the concrete. (With and without addition of bacteria) 6) To study the weight loss and strength loss due to acid attack (H 2 SO 4

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